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How much is the touchpad of gtel a703i

How much is the touchpad of gtel a703i





Valid till 2017/5/25



source: My gtel ai doesnt want to open the software? How do i flass gtel a xplora? My phone is not responding to turn on. Post to Facebook. Post to Twitter. Homepage» Startups» Review: The GTel Android device that will change The GTel Android device that will change your Y gtel Ai does not allow to install. gtel phones,, gtel phones prices in kenya, gtel phones for sale, Ai Andy Pro. Quick View. Gtel. Gtel Smartphones – Tomorrow Electronics.
I own a Lenovo A, and I dropped it in a bucket of water. Sencha Touch is a UIorspecifically built for the. A geomagnetic rotation vector is similar to a rotation vector sensor but using a magnetometer and no gyroscope. Sencha Touch follows Pattern which separates the application data, the control code and view. This will allow us to test many of the components of the smartphone including the touch screen. That is, if the step detection cannot be done in hardware, this sensor should not be defined. I can’t type the code since some keys are not working and others seem to appear.
source: My gtel ai doesnt want to open the software? How do i flass gtel a xplora? My phone is not responding to turn on. Post to Facebook. Post to Twitter. Homepage» Startups» Review: The GTel Android device that will change The GTel Android device that will change your Y gtel Ai does not allow to install. gtel phones,, gtel phones prices in kenya, gtel phones for sale, Ai Andy Pro. Quick View. Gtel. Gtel Smartphones – Tomorrow Electronics.

how much is the touchpad of gtel a703i

how much is the touchpad of gtel a703i

how much is the touchpad of gtel a703i

how much is the touchpad of gtel a703i

how much is the touchpad of gtel a703i

how much is the touchpad of gtel a703i

how much is the touchpad of gtel a703i

how much is the touchpad of gtel a703i

Free home of is how touchpad a703i the much gtel balas

This step is optional. If replacing that screw seemed to help and your phones touch screen is now working as it should then it sounds like you were able to locate the problem and resolve it. X increases towards the right of the vehicle Y increases towards the nose of the body frame Z increases towards the roof of the body frame When looking from the positive direction of an axis, positive rotations are counterclockwise. So the init file for amxevm becomes init. If the device possesses a gyroscope, the gravity sensor must use the gyroscope and accelerometer as input. E-mail The content of this field is kept private and will not be shown publicly.

As before the phone will respond at times and when it responds, it has no problems. When some areas do not respond I find a lot of faulty commands. For example, when I press my return key the gallery opens, when I press the number 1, the number 6, 7, or 9 responds.

So, it is either in perfect working condition or the most imperfect condition. I have a Droid Max. It also adds “ng” randomly throughout the text. I’ve only had this one a year.

I am currently using a Samsung Galaxy Grand Prime. The touch screen was doing quite fine just until yesterday, when the lower middle part of the screen started “to be touched on its own” continuously.

I could not use my phone properly especially when I’m texting since it continuously touches the space bar. I’ve already tried switching off my phone and even the battery pull but it still happens.

There can be a few things that can cause the touch screen on a smartphone to act this way. It could be the screen protector is confusing the phone if it has a screen protector. It could be that the protective case is causing mischief less likely but possible.

It could be a software bug glitch or virus. Or it could just be that the touch screen itself is malfunctioning do to a faulty piece of hardware. Make sure to follow all of the suggestions listed in the guide above and if you still have problems than it might indicate a hardware problem and your phones touch screen will likely need to be replaced.

Its been two weeks now since my Samsung S3s touch screen has had a problem with its response. At first it was just a few minutes and then it was okay then it became hours and then sometimes whole days and I cant use it cause I cant even swipe to unlock it.

When it did work I did that diagnostic test and the device passed, and before this I also did a factory reset on the phone like two days after it started showing these problems. I also went to the Samsung Customer Service here in Pakistan since I’m currently living here but they just said right away that I have to replace the whole display panel and that its going to cost me like around USD, but while I was there the phone worked.

They also told me that Samsung never launch this model here in Pakistan. My husband brought this from Canada, its a Samsung Galaxy S3 i I’m still not ready to give up yet. Is there any advice that you can offer me?

I just can’t trust the repair shops here since they are so eager to tell me to replace the whole display panel Hard to tell for certain but from your description I am going to lean more towards a hardware problem and an issue with the touch screen itself.

Since it works sometimes and not at other times the touch screen might even be loose and or have a bad connection with the phone. I am not sure how difficult a replacement touch screen would be to obtain in Pakistan but I would imagine that the S3 touch screen should not be that hard to find much less be all that expensive.

Is there a local repair shop that works on electronics in the area? If so then you might be able to take it to them have them take the phone apart and they might even be able to repair the connection if the touch screen is simply loose.

You might be able to avoid buying replacement parts all together. If the screen does turn out to be defective and needs to be replaced then I would try to locate replacement parts online and then have them shipped to you.

You might even be able to replace the touch screen yourself and avoid the repair fees, if you feel comfortable doing so. Thanks for the reply. I tried to follow your advice and I opened my phone and I did find that its missing a single screw near the usb port the one that is supposed to fix the motherboard to the screen so I put one in there and so far my phone is working.

Here in Pakistan its hard to find good technicians; especially for foreigners. I feel like they just try to extort money right away by telling you this and that. I’m just thankful I didn’t let them tear my phone apart.

Hopefully its gonna continue working Do you think that motherboard not being screwed to the screen did this to my phone? I just used a screw that I took out from my old broken phone, they look the same size to me though I really didn’t know if using 3.

I saw in the ifixit website that its a 3. If replacing that screw seemed to help and your phones touch screen is now working as it should then it sounds like you were able to locate the problem and resolve it.

I also want to compliment your very clever idea of using a screw from an old broken phone that you had available. That was very smart thinking my friend. Congratulations in repairing your smartphone yourself.

I can’t type the code since some keys are not working and others seem to appear. It certainly sounds like your phone is being stubborn and is not going to allow you to run the diagnostic test on its touch screen.

Most smartphones these days require a working touch screen to function properly so trying to troubleshoot a malfunctioning touch screen can, as you well know, be quite a challenge if even at all possible.

My problem is that I could not open my phone even though I entered the correct password so I did a hard reset to open it. I then I realized that the keys are all mixed up.

Hey, I put in the Device Diagnostic Tool code and have been getting this message every time. It sounds like your phone will not accept the code to activate the Device Diagnostics Tool.

This seems to be a more and more common occurrence on newer smartphones. It would seem that these amazingly useful star codes are starting to get phased out on the latest models of smartphones.

I switched the phone off and on several times, but the problem remains. After reading your article I pulled out the battery for at least 5 hours Approx and start the phone again.

Now it works normally. But I don’t know for how long it’ll work. Thank you again for your suggestion. Thanks a lot for the help. I have been confused about this problem for a few days but I was able to solve it with this tutorial.

I own a Lenovo A, and I dropped it in a bucket of water. I picked it up quickly, turned it off then opened the back part of the phone. I removed the sim, memory card, but I can’t pull the battery because it’s unremovable.

I let a day pass by, then I tried to open my phone again and thankfully it functioned normally like nothing ever happened to it. Until today, the screen suddenly became unresponsive and I can’t even turn it off because I have to pick an option button on the screen to turn off the phone.

What should I do? There is a very good chance that it can help you to get your cell phone to function correctly again. The touch interface doesn’t work properly.

There are times when it absolutely does not work at all and others when it just works by itself. I have no water damage, my screen is clean, I restarted the phone tons of times, nothing seems to work.

Sometimes I have 5 active apps the problem seems to get worse when this occurs, I clear them all, and then clear the RAM, and the problem persists. I was informed that this might be a software issue.

Do you have any idea of what I can do? Thank you in advance. An unresponsive touch screen can be the result of a hardware or software problem and sometimes it can be difficult to figure out which it is as a smartphone requires a working touch screen to function properly.

That being said I sometimes experience a similar issue on my Samsung Galaxy S4 and every once in a while for no apparent reason what so ever the bottom half of its screen will stop responding while the top half continues to function properly.

I removed the battery for nearly 20 min I’m not sure if it makes a difference and so far the phone has been working practically just fine. I waited some time to answer to be sure the phone is indeed ok.

It only malfunctioned once when it was extremely hot, so I guess removing the battery works. This closes all the apps for good when I exit them. So now I have no active apps at all time, which I think also helped since the RAM doesn’t get “full”.

Skip to main content. Before we begin Before we really dive in to testing and troubleshooting your touch screen the first thing that you should do is power cycle your cell phone.

Opening your cell phones Device Diagnostics Tool Start out by accessing the dial pad on your cell phone as though you were going to type in some ones telephone number. Some common Star Code commands used to access this diagnostics feature include: Step by step instructions with pictures This tutorial is going to use screenshots taken with a Samsung Galaxy S 4 running on Android 4.

Battery Pull Since we have already tried to power cycle the phone I recommend you try the next best thing and that is a battery pull. Safe Mode Safe Mode is a great troubleshooting tool as it instructs an Android cell phone to run with no third party applications.

Applications If you have narrowed it down to a bad application or this issue started to occur around the same time that you downloaded an application then I would check for updates and if necessarily uninstall and remove that application from your smartphone.

Hard Reset A Hard Reset is one of the most powerful tools in your arsenal as it removes all user data from a cell phone. A word of caution about performing a hard reset on a cell phone with a malfunctioning touch screen If parts of your touch screen are working while other parts are malfunctioning but you can still use your phone to a certain point, even if it is difficult, especially if the touch screen diagnostics test fails indicating a likely hardware problem, I DO NOT recommend performing a hard reset on your cell phone and this is why.

Replacing the touch screen If you have tried all of the advice listed above and your touch screen continues to malfunction then you will need to look into your repair or replacement options.

Buying a replacement touch screen Online is going to be the best place to buy replacement parts for your cell phone and while it is a good idea to shop around before making a purchase there are a few sites that are really good places to start shopping.

Thank you for reading I hope that you found this article a helpful resource for testing and fixing the touch screen on your Android smartphone. Hi again Febin, That sounds like a good plan my friend.

Touching icons to open apps was working, but I think its starting to fail. Thanks for this information. It was very helpful. Could you please give me some advice as to why this is happening and what I should do?

Here is the algorithm:. Large accelerations without a change in phone orientation should not trigger a tilt event. For example, a sharp turn or strong acceleration while driving a car should not trigger a tilt event, even though the angle of the average acceleration might vary by more than 35 degrees.

Typically, this sensor is implemented with the help of only an accelerometer. Other sensors can be used as well if they do not increase the power consumption significantly. This is a low power sensor that should allow the SoC to go into suspend mode.

Do not emulate this sensor in the HAL. A rotation vector sensor reports the orientation of the device relative to the East-North-Up coordinates frame. It is usually obtained by integration of accelerometer, gyroscope, and magnetometer readings.

The East-North-Up coordinate system is defined as a direct orthonormal basis where:. The orientation of the phone is represented by the rotation necessary to align the East-North-Up coordinates with the phone’s coordinates.

That is, applying the rotation to the world frame X, Y,Z would align them with the phone coordinates x, y,z. The rotation is encoded as the four unit-less x, y, z, w components of a unit quaternion:.

The quaternion is a unit quaternion: Failure to ensure this will cause erratic client behaviour. This sensor must use a gyroscope as the main orientation change input. This sensor also uses accelerometer and magnetometer input to make up for gyroscope drift, and it cannot be implemented using only the accelerometer and magnetometer.

A game rotation vector sensor is similar to a rotation vector sensor but not using the geomagnetic field. Therefore the Y axis doesn’t point north but instead to some other reference. That reference is allowed to drift by the same order of magnitude as the gyroscope drifts around the Z axis.

This sensor does not report an estimated heading accuracy: In an ideal case, a phone rotated and returned to the same real-world orientation should report the same game rotation vector.

This sensor must be based on a gyroscope and an accelerometer. It cannot use magnetometer as an input, besides, indirectly, through estimation of the gyroscope bias.

A gravity sensor reports the direction and magnitude of gravity in the device’s coordinates. When the device is at rest, the output of the gravity sensor should be identical to that of the accelerometer.

On Earth, the magnitude is around 9. If the device possesses a gyroscope, the gravity sensor must use the gyroscope and accelerometer as input. A geomagnetic rotation vector is similar to a rotation vector sensor but using a magnetometer and no gyroscope.

This sensor must be based on a magnetometer. It cannot be implemented using a gyroscope, and gyroscope input cannot be used by this sensor. This is an older sensor type that has been deprecated in the Android SDK.

It has been replaced by the rotation vector sensor, which is more clearly defined. Use the rotation vector sensor over the orientation sensor whenever possible. An orientation sensor reports the attitude of the device.

Please note, for historical reasons the roll angle is positive in the clockwise direction. Mathematically speaking, it should be positive in the counter-clockwise direction:.

This definition is different from yaw, pitch and roll used in aviation where the X axis is along the long side of the plane tail to nose. Uncalibrated sensors provide more raw results and may include some bias but also contain fewer “jumps” from corrections applied through calibration.

Some applications may prefer these uncalibrated results as smoother and more reliable. For instance, if an application is attempting to conduct its own sensor fusion, introducing calibrations can actually distort results.

An uncalibrated gyroscope reports the rate of rotation around the sensor axes without applying bias compensation to them, along with a bias estimate. Conceptually, the uncalibrated measurement is the sum of the calibrated measurement and the bias estimate: Factory calibration and temperature compensation must be applied to the measurements.

If the implementation is not able to estimate the drift, then this sensor must not be implemented. An uncalibrated magnetic field sensor reports the ambient magnetic field together with a hard iron calibration estimate.

The uncalibrated magnetometer allows higher level algorithms to handle bad hard iron estimation. Soft-iron calibration and temperature compensation must be applied to the measurements.

If the implementation is not able to estimate the bias, then this sensor must not be implemented. Some sensors are mostly used to detect interactions with the user.

We do not define how those sensors must be implemented, but they must be low power and it is the responsibility of the device manufacturer to verify their quality in terms of user experience.

A wake up gesture sensor enables waking up the device based on a device specific motion. When this sensor triggers, the device behaves as if the power button was pressed, turning the screen on.

This behavior turning on the screen when this sensor triggers might be deactivated by the user in the device settings. Changes in settings do not impact the behavior of the sensor: The actual gesture to be detected is not specified, and can be chosen by the manufacturer of the device.

A pick-up gesture sensor triggers when the device is picked up regardless of wherever it was before desk, pocket, bag. A glance gesture sensor enables briefly turning the screen on to enable the user to glance content on screen based on a specific motion.

When this sensor triggers, the device will turn the screen on momentarily to allow the user to glance notifications or other content while the device remains locked in a non-interactive state dozing, then the screen will turn off again.

This behavior briefly turning on the screen when this sensor triggers might be deactivated by the user in the device settings. Every day there are thousands of additions to the Google Play store, but many go unnoticed and never receive the attention they deserve.

Check out our top picks and let us know in the comments section if you have any When Monday rolls around, we look back to see which apps were the most appealing to our audience.

Read on for the five most popular Android apps from last week. Copying is nothing new. The app brought us short 24 hour photos and videos as well as a private messaging system that allows one view before the content disappears, and everyone now aspires to be Snapchat.

This exercise demonstrates the usage of the ScrollView view to provide a scrollable user interface component. Create an android project de. Adding animations to your app interface will give high quality feel to your android applications.

Animations can be performed through either XML or android code. In this tutorial i explained how to do animations using XML notations. I will explain how to do the same using android java code in future tutorials.

Here i covered basic android animations like fade in, fade out, scale, rotate, slide up, slide down etc. In the source code project provided in this tutorial, I wrote separate activity and XML for each animation.

Download and play with the code to get familiar with the animations. Following are list of animations covered in this article. Following are the basic steps to perform an animation on any UI element.

Creating animation is very simple, all it needs is creating necessary files and write small pieces of code. Create an xml file which defines type of animation to perform.

Following is example of simple fade in animation. Next in your activity create an object of class. And load the xml animation using by calling loadAnimation function.

If you want to listen to animation events like start, end and repeat, your activity should implements. This step is optional. If you implement AnimationListener you will have to override following methods.

You can start animation whenever you want by calling startAnimation on any UI element by passing the type of animation. In this example i am calling fade in animation on TextView.

When working with animations it is better to have through knowledge about some of the important XML attributes which create major differentiation in animation behavior.

Following are the important attributes you must known about. This property is mainly used to perform multiple animations in a sequential manner. If it sets to false the element changes to its previous state after the animation.

If you set this value to infinite then animation will repeat infinite times. Following i am giving xml code to perform lot of useful animations. Try to assign different values to xml attributes to see change in animations.

Fade in animation is nothing but increasing alpha value from 0 to 1. Cross fading is performing fade in animation while other element is fading out. In the following code i loaded fade in and fade out, then performed them on two different UI elements.

Blink animation is animating fade out or fade in animation in repetitive fashion. For this you will have to set android: Also you need to use fromXScale, fromYScale attributes which defines scaling of the object.

Keep these value lesser than toXScale, toYScale. For rotate animation required tags are android: Clock wise — use positive toDegrees value Anti clock wise — use negative toDegrees value. Slide up can be achieved by setting android: Slide down is exactly opposite to slide down animation.

Bounce is just an animation effect where animation ends in bouncing fashion. For this set android: This bounce can be used with any kind animation. Following slide down example uses bounce effect.

If you want to perform multiple animation in a sequential manner you have to use android: The easy way to calculate this value is to add the duration and startOffset values of previous animation. Following is a sequential animation where set of move animations performs in sequential manner.

Performing all animation together is just writing all animations one by one without using android: Thank You Ravi is hardcore Android programmer and Android programming has been his passion since he compiled his first hello-world program.

Solving real problems of Android developers through tutorials has always been interesting part for him. Sencha Touch is a UI, or, specifically built for the. It can be used by to develop user interfaces for mobile that look and feel like on supported mobile devices.

It is based on such as, and. The goal of Sencha Touch is to facilitate quick and easy development of HTML5 based mobile apps which run on, , , and devices, simultaneously allowing a native look and feel to the apps.

Sencha Touch is a product of Sencha, which was formed after popular JavaScript library projects, and were combined. The first release of Sencha Touch, version 0.

This beta release supported devices running Android, and iOS on, ,. Subsequently, the first stable version, 1. The latest release, Sencha Touch 2. Sencha Touch follows Pattern which separates the application data, the control code and view.

This separation allows large scale applications to be flexible and easy to maintain. Sencha Touch has an inbuilt manipulation interface which negates the dependency on other frameworks like jQuery. It includes a set of GUI-based or components for use within mobile web applications.

These components are optimized for touch input. All the components can be themed according to the target device. This is done using, a stylesheet language built over CSS. Some of the native-lookalike themes are for iOS6.

Sencha Touch has eight in-built transition effects including slide over or under the current element, pop, flip, and cube. It supports common touch gestures built from, which are but supported only by, , and some touch enabled devices.

These are tap, double tap, swipe, scroll, and pinch. Sencha Touch also supports charting components including pie charts, bar graphs, line series, etc. These components support interactivity like pinch and zoom.

Just like the Grid components in, Sencha Touch offers functionality. Profiling in Sencha Touch allows you to create different profiles catering to different screen sizes.

When the application is loaded, the framework determines the type of device, and its corresponding profile determines which components and functionality need to be swapped out, and the specific views and controllers that need to be invoked, saving the developer the task of creating a different application for each type of device.

Sencha Touch provides plugins for ease of development. Benefits of these plugins include and, and ease of navigation to framework codebase and custom classes.

Sencha Touch has plugins for popular IDEs like, and. There is a visual app builder, , for building cross platform HTML5 apps. It provides addiction features like theming and integration.

Sencha Touch makes it convenient to use a map in your application using the component. With being more efficient and faster than before, web apps run almost as smooth as native apps.

Join us for a roundup of the top stories on InformationWeek. We’ll be talking with the InformationWeek. The information provided here generally refers to the AMx devices. The Jelly Bean release uses board-specific init file instead of the unified init.

The board name is determined by the android property ro. So the init file for amxevm becomes init. Depending on the display size, android uses either the phone layout e. AMxevm or tablet layout BeagleBone Black.

To activate the Software Navigation Bar, add the following line in. In case you have a Landscape Display and the resolution is not high enough to enter Tablet-mode, you will see a Vertical Navigation Bar.

To view the Navigation keys correctly in this case add the following lines in init. For variable backlight intensity, PWM-controlled backlight is generally used.

For integration with the Android Backlight settings configuration, the liblights HAL needs to be implemented for the board. The output HAL library should have the name lights. You can however specify the minimum brightness below which Brightness cannot be reduced from the Android settings in the overlay e.

The platform data for TSC driver for AMx contains the following fields to provide calibration data:. You can obtain the raw value returned by the touchscreen at the corners using the getevent utility in Android.

AMx uses ti-tsc touchscreen driver, so the. Here porting explanation for matrix gpio keypad controller. Android system uses vold as the mount daemon, which detects, mounts and monitors the status of sdcard.

The mount daemon needs a configuration file to tell it what the sdcard device is. See in the Android source tree for the detailed explanations of the format. Depending on the interface used these values can change.

Best way is to probe sysfs directories to find the fixed name. For MMC the entry will be of the form:. This release supports audio playback and capture at For application-specific usage, the audio HAL supports the software resampler.

The audio HAL is implemented at. This file contains the ALSA mixer settings for the various audio paths supported by the driver. The following is the contents of. The mixers setting commands at the beginning of the file are executed when the audio HAL is initialized.

Android handles volume control in software. We recommend to keep the default volume levels close to maximum in the audio HAL. This section of guide provides a step by step explanation of what’s involved in adding a new WiFi driver and making WiFi work in a custom Android build like Rowboat.

The code below is provided for information only and is not complete. Please refer to the source for more details. Add the required permissions file into the android filesystem by updating device.

Atube touchpad the gtel a703i of much how is zimbabwe

The touch screen was doing quite fine just until yesterday, when the lower middle part of the screen started “to be touched on its own” continuously. I could not use my phone properly especially when I’m texting since it continuously touches the space bar.

I’ve already tried switching off my phone and even the battery pull but it still happens. There can be a few things that can cause the touch screen on a smartphone to act this way.

It could be the screen protector is confusing the phone if it has a screen protector. It could be that the protective case is causing mischief less likely but possible. It could be a software bug glitch or virus.

Or it could just be that the touch screen itself is malfunctioning do to a faulty piece of hardware. Make sure to follow all of the suggestions listed in the guide above and if you still have problems than it might indicate a hardware problem and your phones touch screen will likely need to be replaced.

Its been two weeks now since my Samsung S3s touch screen has had a problem with its response. At first it was just a few minutes and then it was okay then it became hours and then sometimes whole days and I cant use it cause I cant even swipe to unlock it.

When it did work I did that diagnostic test and the device passed, and before this I also did a factory reset on the phone like two days after it started showing these problems.

I also went to the Samsung Customer Service here in Pakistan since I’m currently living here but they just said right away that I have to replace the whole display panel and that its going to cost me like around USD, but while I was there the phone worked.

They also told me that Samsung never launch this model here in Pakistan. My husband brought this from Canada, its a Samsung Galaxy S3 i I’m still not ready to give up yet.

Is there any advice that you can offer me? I just can’t trust the repair shops here since they are so eager to tell me to replace the whole display panel Hard to tell for certain but from your description I am going to lean more towards a hardware problem and an issue with the touch screen itself.

Since it works sometimes and not at other times the touch screen might even be loose and or have a bad connection with the phone. I am not sure how difficult a replacement touch screen would be to obtain in Pakistan but I would imagine that the S3 touch screen should not be that hard to find much less be all that expensive.

Is there a local repair shop that works on electronics in the area? If so then you might be able to take it to them have them take the phone apart and they might even be able to repair the connection if the touch screen is simply loose.

You might be able to avoid buying replacement parts all together. If the screen does turn out to be defective and needs to be replaced then I would try to locate replacement parts online and then have them shipped to you.

You might even be able to replace the touch screen yourself and avoid the repair fees, if you feel comfortable doing so. Thanks for the reply. I tried to follow your advice and I opened my phone and I did find that its missing a single screw near the usb port the one that is supposed to fix the motherboard to the screen so I put one in there and so far my phone is working.

Here in Pakistan its hard to find good technicians; especially for foreigners. I feel like they just try to extort money right away by telling you this and that. I’m just thankful I didn’t let them tear my phone apart.

Hopefully its gonna continue working Do you think that motherboard not being screwed to the screen did this to my phone? I just used a screw that I took out from my old broken phone, they look the same size to me though I really didn’t know if using 3.

I saw in the ifixit website that its a 3. If replacing that screw seemed to help and your phones touch screen is now working as it should then it sounds like you were able to locate the problem and resolve it.

I also want to compliment your very clever idea of using a screw from an old broken phone that you had available. That was very smart thinking my friend. Congratulations in repairing your smartphone yourself.

I can’t type the code since some keys are not working and others seem to appear. It certainly sounds like your phone is being stubborn and is not going to allow you to run the diagnostic test on its touch screen.

Most smartphones these days require a working touch screen to function properly so trying to troubleshoot a malfunctioning touch screen can, as you well know, be quite a challenge if even at all possible.

My problem is that I could not open my phone even though I entered the correct password so I did a hard reset to open it. I then I realized that the keys are all mixed up.

Hey, I put in the Device Diagnostic Tool code and have been getting this message every time. It sounds like your phone will not accept the code to activate the Device Diagnostics Tool. This seems to be a more and more common occurrence on newer smartphones.

It would seem that these amazingly useful star codes are starting to get phased out on the latest models of smartphones. I switched the phone off and on several times, but the problem remains. After reading your article I pulled out the battery for at least 5 hours Approx and start the phone again.

Now it works normally. But I don’t know for how long it’ll work. Thank you again for your suggestion. Thanks a lot for the help. I have been confused about this problem for a few days but I was able to solve it with this tutorial.

I own a Lenovo A, and I dropped it in a bucket of water. I picked it up quickly, turned it off then opened the back part of the phone. I removed the sim, memory card, but I can’t pull the battery because it’s unremovable.

I let a day pass by, then I tried to open my phone again and thankfully it functioned normally like nothing ever happened to it. Until today, the screen suddenly became unresponsive and I can’t even turn it off because I have to pick an option button on the screen to turn off the phone.

What should I do? There is a very good chance that it can help you to get your cell phone to function correctly again. The touch interface doesn’t work properly. There are times when it absolutely does not work at all and others when it just works by itself.

I have no water damage, my screen is clean, I restarted the phone tons of times, nothing seems to work. Sometimes I have 5 active apps the problem seems to get worse when this occurs, I clear them all, and then clear the RAM, and the problem persists.

I was informed that this might be a software issue. Do you have any idea of what I can do? Thank you in advance. An unresponsive touch screen can be the result of a hardware or software problem and sometimes it can be difficult to figure out which it is as a smartphone requires a working touch screen to function properly.

That being said I sometimes experience a similar issue on my Samsung Galaxy S4 and every once in a while for no apparent reason what so ever the bottom half of its screen will stop responding while the top half continues to function properly.

I removed the battery for nearly 20 min I’m not sure if it makes a difference and so far the phone has been working practically just fine. I waited some time to answer to be sure the phone is indeed ok.

It only malfunctioned once when it was extremely hot, so I guess removing the battery works. This closes all the apps for good when I exit them. So now I have no active apps at all time, which I think also helped since the RAM doesn’t get “full”.

Skip to main content. Before we begin Before we really dive in to testing and troubleshooting your touch screen the first thing that you should do is power cycle your cell phone.

Opening your cell phones Device Diagnostics Tool Start out by accessing the dial pad on your cell phone as though you were going to type in some ones telephone number. Some common Star Code commands used to access this diagnostics feature include: Step by step instructions with pictures This tutorial is going to use screenshots taken with a Samsung Galaxy S 4 running on Android 4.

Battery Pull Since we have already tried to power cycle the phone I recommend you try the next best thing and that is a battery pull. Safe Mode Safe Mode is a great troubleshooting tool as it instructs an Android cell phone to run with no third party applications.

Applications If you have narrowed it down to a bad application or this issue started to occur around the same time that you downloaded an application then I would check for updates and if necessarily uninstall and remove that application from your smartphone.

Hard Reset A Hard Reset is one of the most powerful tools in your arsenal as it removes all user data from a cell phone. A word of caution about performing a hard reset on a cell phone with a malfunctioning touch screen If parts of your touch screen are working while other parts are malfunctioning but you can still use your phone to a certain point, even if it is difficult, especially if the touch screen diagnostics test fails indicating a likely hardware problem, I DO NOT recommend performing a hard reset on your cell phone and this is why.

Replacing the touch screen If you have tried all of the advice listed above and your touch screen continues to malfunction then you will need to look into your repair or replacement options.

Buying a replacement touch screen Online is going to be the best place to buy replacement parts for your cell phone and while it is a good idea to shop around before making a purchase there are a few sites that are really good places to start shopping.

Thank you for reading I hope that you found this article a helpful resource for testing and fixing the touch screen on your Android smartphone. Hi again Febin, That sounds like a good plan my friend.

Touching icons to open apps was working, but I think its starting to fail. Thanks for this information. It was very helpful. Could you please give me some advice as to why this is happening and what I should do?

Thank you so much! Hi Jen, There can be a few things that can cause the touch screen on a smartphone to act this way. Hi Ivy, Hard to tell for certain but from your description I am going to lean more towards a hardware problem and an issue with the touch screen itself.

Hi, Thanks for the reply. Thanks so much for the reply Hi Ivy Alfeche, If replacing that screw seemed to help and your phones touch screen is now working as it should then it sounds like you were able to locate the problem and resolve it.

Connection problem or invalid MMI code. Hi Abdul, It sounds like your phone will not accept the code to activate the Device Diagnostics Tool. Some applications may prefer these uncalibrated results as smoother and more reliable.

For instance, if an application is attempting to conduct its own sensor fusion, introducing calibrations can actually distort results. An uncalibrated gyroscope reports the rate of rotation around the sensor axes without applying bias compensation to them, along with a bias estimate.

Conceptually, the uncalibrated measurement is the sum of the calibrated measurement and the bias estimate: Factory calibration and temperature compensation must be applied to the measurements. If the implementation is not able to estimate the drift, then this sensor must not be implemented.

An uncalibrated magnetic field sensor reports the ambient magnetic field together with a hard iron calibration estimate. The uncalibrated magnetometer allows higher level algorithms to handle bad hard iron estimation.

Soft-iron calibration and temperature compensation must be applied to the measurements. If the implementation is not able to estimate the bias, then this sensor must not be implemented.

Some sensors are mostly used to detect interactions with the user. We do not define how those sensors must be implemented, but they must be low power and it is the responsibility of the device manufacturer to verify their quality in terms of user experience.

A wake up gesture sensor enables waking up the device based on a device specific motion. When this sensor triggers, the device behaves as if the power button was pressed, turning the screen on.

This behavior turning on the screen when this sensor triggers might be deactivated by the user in the device settings. Changes in settings do not impact the behavior of the sensor: The actual gesture to be detected is not specified, and can be chosen by the manufacturer of the device.

A pick-up gesture sensor triggers when the device is picked up regardless of wherever it was before desk, pocket, bag. A glance gesture sensor enables briefly turning the screen on to enable the user to glance content on screen based on a specific motion.

When this sensor triggers, the device will turn the screen on momentarily to allow the user to glance notifications or other content while the device remains locked in a non-interactive state dozing, then the screen will turn off again.

This behavior briefly turning on the screen when this sensor triggers might be deactivated by the user in the device settings. Every day there are thousands of additions to the Google Play store, but many go unnoticed and never receive the attention they deserve.

Check out our top picks and let us know in the comments section if you have any When Monday rolls around, we look back to see which apps were the most appealing to our audience. Read on for the five most popular Android apps from last week.

Copying is nothing new. The app brought us short 24 hour photos and videos as well as a private messaging system that allows one view before the content disappears, and everyone now aspires to be Snapchat.

This exercise demonstrates the usage of the ScrollView view to provide a scrollable user interface component. Create an android project de. Adding animations to your app interface will give high quality feel to your android applications.

Animations can be performed through either XML or android code. In this tutorial i explained how to do animations using XML notations. I will explain how to do the same using android java code in future tutorials.

Here i covered basic android animations like fade in, fade out, scale, rotate, slide up, slide down etc. In the source code project provided in this tutorial, I wrote separate activity and XML for each animation.

Download and play with the code to get familiar with the animations. Following are list of animations covered in this article. Following are the basic steps to perform an animation on any UI element.

Creating animation is very simple, all it needs is creating necessary files and write small pieces of code. Create an xml file which defines type of animation to perform.

Following is example of simple fade in animation. Next in your activity create an object of class. And load the xml animation using by calling loadAnimation function.

If you want to listen to animation events like start, end and repeat, your activity should implements. This step is optional. If you implement AnimationListener you will have to override following methods.

You can start animation whenever you want by calling startAnimation on any UI element by passing the type of animation. In this example i am calling fade in animation on TextView.

When working with animations it is better to have through knowledge about some of the important XML attributes which create major differentiation in animation behavior.

Following are the important attributes you must known about. This property is mainly used to perform multiple animations in a sequential manner. If it sets to false the element changes to its previous state after the animation.

If you set this value to infinite then animation will repeat infinite times. Following i am giving xml code to perform lot of useful animations. Try to assign different values to xml attributes to see change in animations.

Fade in animation is nothing but increasing alpha value from 0 to 1. Cross fading is performing fade in animation while other element is fading out. In the following code i loaded fade in and fade out, then performed them on two different UI elements.

Blink animation is animating fade out or fade in animation in repetitive fashion. For this you will have to set android: Also you need to use fromXScale, fromYScale attributes which defines scaling of the object.

Keep these value lesser than toXScale, toYScale. For rotate animation required tags are android: Clock wise — use positive toDegrees value Anti clock wise — use negative toDegrees value.

Slide up can be achieved by setting android: Slide down is exactly opposite to slide down animation. Bounce is just an animation effect where animation ends in bouncing fashion. For this set android: This bounce can be used with any kind animation.

Following slide down example uses bounce effect. If you want to perform multiple animation in a sequential manner you have to use android: The easy way to calculate this value is to add the duration and startOffset values of previous animation.

Following is a sequential animation where set of move animations performs in sequential manner. Performing all animation together is just writing all animations one by one without using android: Thank You Ravi is hardcore Android programmer and Android programming has been his passion since he compiled his first hello-world program.

Solving real problems of Android developers through tutorials has always been interesting part for him. Sencha Touch is a UI, or, specifically built for the. It can be used by to develop user interfaces for mobile that look and feel like on supported mobile devices.

It is based on such as, and. The goal of Sencha Touch is to facilitate quick and easy development of HTML5 based mobile apps which run on, , , and devices, simultaneously allowing a native look and feel to the apps.

Sencha Touch is a product of Sencha, which was formed after popular JavaScript library projects, and were combined. The first release of Sencha Touch, version 0.

This beta release supported devices running Android, and iOS on, ,. Subsequently, the first stable version, 1. The latest release, Sencha Touch 2. Sencha Touch follows Pattern which separates the application data, the control code and view.

This separation allows large scale applications to be flexible and easy to maintain. Sencha Touch has an inbuilt manipulation interface which negates the dependency on other frameworks like jQuery.

It includes a set of GUI-based or components for use within mobile web applications. These components are optimized for touch input. All the components can be themed according to the target device.

This is done using, a stylesheet language built over CSS. Some of the native-lookalike themes are for iOS6. Sencha Touch has eight in-built transition effects including slide over or under the current element, pop, flip, and cube.

It supports common touch gestures built from, which are but supported only by, , and some touch enabled devices. These are tap, double tap, swipe, scroll, and pinch. Sencha Touch also supports charting components including pie charts, bar graphs, line series, etc.

These components support interactivity like pinch and zoom. Just like the Grid components in, Sencha Touch offers functionality. Profiling in Sencha Touch allows you to create different profiles catering to different screen sizes.

When the application is loaded, the framework determines the type of device, and its corresponding profile determines which components and functionality need to be swapped out, and the specific views and controllers that need to be invoked, saving the developer the task of creating a different application for each type of device.

Sencha Touch provides plugins for ease of development. Benefits of these plugins include and, and ease of navigation to framework codebase and custom classes. Sencha Touch has plugins for popular IDEs like, and.

There is a visual app builder, , for building cross platform HTML5 apps. It provides addiction features like theming and integration. Sencha Touch makes it convenient to use a map in your application using the component.

With being more efficient and faster than before, web apps run almost as smooth as native apps. Join us for a roundup of the top stories on InformationWeek. We’ll be talking with the InformationWeek.

The information provided here generally refers to the AMx devices. The Jelly Bean release uses board-specific init file instead of the unified init. The board name is determined by the android property ro.

So the init file for amxevm becomes init. Depending on the display size, android uses either the phone layout e. AMxevm or tablet layout BeagleBone Black. To activate the Software Navigation Bar, add the following line in.

In case you have a Landscape Display and the resolution is not high enough to enter Tablet-mode, you will see a Vertical Navigation Bar. To view the Navigation keys correctly in this case add the following lines in init.

For variable backlight intensity, PWM-controlled backlight is generally used. For integration with the Android Backlight settings configuration, the liblights HAL needs to be implemented for the board.

The output HAL library should have the name lights. You can however specify the minimum brightness below which Brightness cannot be reduced from the Android settings in the overlay e.

The platform data for TSC driver for AMx contains the following fields to provide calibration data:. You can obtain the raw value returned by the touchscreen at the corners using the getevent utility in Android.

AMx uses ti-tsc touchscreen driver, so the. Here porting explanation for matrix gpio keypad controller. Android system uses vold as the mount daemon, which detects, mounts and monitors the status of sdcard.

The mount daemon needs a configuration file to tell it what the sdcard device is. See in the Android source tree for the detailed explanations of the format. Depending on the interface used these values can change.

Best way is to probe sysfs directories to find the fixed name. For MMC the entry will be of the form:. This release supports audio playback and capture at For application-specific usage, the audio HAL supports the software resampler.

The audio HAL is implemented at. This file contains the ALSA mixer settings for the various audio paths supported by the driver. The following is the contents of.

The mixers setting commands at the beginning of the file are executed when the audio HAL is initialized. Android handles volume control in software. We recommend to keep the default volume levels close to maximum in the audio HAL.

This section of guide provides a step by step explanation of what’s involved in adding a new WiFi driver and making WiFi work in a custom Android build like Rowboat.

The code below is provided for information only and is not complete. Please refer to the source for more details. Add the required permissions file into the android filesystem by updating device.

If you do not see the message wl Please ensure that all the relevant pinmuxing and gpio configuration is correct and not over-written. If wlan0 is not available in netcfg output, the driver might have been unloaded due to some error.

The above messages show that the interface is up and the firmware is downloaded to wlan module and booted. Running the calibration results in a random MAC address being set.

To set the desired MAC address, run the following step:. Enable Bluetooth with the following setting in BoardConfig. Copy the Bluetooth permissions file and the relevant bluez conf file.

The permissions file also enables Bluetooth menu in Settings. The Android gadget driver is configured via the sysfs entries. These are done from init. For amxevm, this is init.

The sysfs settings need to be done depending on the features required to be enabled. By default only the adb and mtp mode is configured. Modify start and length fields as needed. The fastboot protocol is a mechanism for communicating with bootloaders over USB.

It is designed to flash Android build images x-loader, bootloader, kernel, system, userdata etc on to the target device. Fastboot is implemented in u-boot. The entry for each partition can be modified as per the requirement.

Fastboot will reject flashing for images more than MB size. Please note that the standard linux driver is modified to report light sensor values to the input sub-system.

You can use the light sensor input to modify the LCD backlight intensity. You need to add the following entry in the overlay:. Also you need to implement a lookup table to map the light intensity to the LCD backlight values.

Please refer to the file for more details. The driver is modified to be compatible with the android sensor input subsystem. The Camera icon will automatically appear in apps due to presence of camera.

Add permission for camera in init. This is used for temporary storage before capture. You may need to change this for your device. The telephony framework provides APIs to access the Phone.

Telephony framework will be initialized and started during the system start up. All the queries from the application through API will directed to the Radio interface Layer of Android by these services.

The service will keep tracking of all the unsolicited commands from the modem. Unsolicited commands are the commands initiated from the modem. It is the bridge between Android phone framework services and the hardware.

The RIL consist of two primary components. RILD will be initialized during the Android system start up. It will read the system property or use command line arguments to find which library has to be used for Vendor RIL.

It also adds “ng” randomly throughout the text. I’ve only had this one a year. I am currently using a Samsung Galaxy Grand Prime. The touch screen was doing quite fine just until yesterday, when the lower middle part of the screen started “to be touched on its own” continuously.

I could not use my phone properly especially when I’m texting since it continuously touches the space bar. I’ve already tried switching off my phone and even the battery pull but it still happens.

There can be a few things that can cause the touch screen on a smartphone to act this way. It could be the screen protector is confusing the phone if it has a screen protector.

It could be that the protective case is causing mischief less likely but possible. It could be a software bug glitch or virus. Or it could just be that the touch screen itself is malfunctioning do to a faulty piece of hardware.

Make sure to follow all of the suggestions listed in the guide above and if you still have problems than it might indicate a hardware problem and your phones touch screen will likely need to be replaced.

Its been two weeks now since my Samsung S3s touch screen has had a problem with its response. At first it was just a few minutes and then it was okay then it became hours and then sometimes whole days and I cant use it cause I cant even swipe to unlock it.

When it did work I did that diagnostic test and the device passed, and before this I also did a factory reset on the phone like two days after it started showing these problems. I also went to the Samsung Customer Service here in Pakistan since I’m currently living here but they just said right away that I have to replace the whole display panel and that its going to cost me like around USD, but while I was there the phone worked.

They also told me that Samsung never launch this model here in Pakistan. My husband brought this from Canada, its a Samsung Galaxy S3 i I’m still not ready to give up yet.

Is there any advice that you can offer me? I just can’t trust the repair shops here since they are so eager to tell me to replace the whole display panel Hard to tell for certain but from your description I am going to lean more towards a hardware problem and an issue with the touch screen itself.

Since it works sometimes and not at other times the touch screen might even be loose and or have a bad connection with the phone. I am not sure how difficult a replacement touch screen would be to obtain in Pakistan but I would imagine that the S3 touch screen should not be that hard to find much less be all that expensive.

Is there a local repair shop that works on electronics in the area? If so then you might be able to take it to them have them take the phone apart and they might even be able to repair the connection if the touch screen is simply loose.

You might be able to avoid buying replacement parts all together. If the screen does turn out to be defective and needs to be replaced then I would try to locate replacement parts online and then have them shipped to you.

You might even be able to replace the touch screen yourself and avoid the repair fees, if you feel comfortable doing so. Thanks for the reply. I tried to follow your advice and I opened my phone and I did find that its missing a single screw near the usb port the one that is supposed to fix the motherboard to the screen so I put one in there and so far my phone is working.

Here in Pakistan its hard to find good technicians; especially for foreigners. I feel like they just try to extort money right away by telling you this and that. I’m just thankful I didn’t let them tear my phone apart.

Hopefully its gonna continue working Do you think that motherboard not being screwed to the screen did this to my phone? I just used a screw that I took out from my old broken phone, they look the same size to me though I really didn’t know if using 3.

I saw in the ifixit website that its a 3. If replacing that screw seemed to help and your phones touch screen is now working as it should then it sounds like you were able to locate the problem and resolve it.

I also want to compliment your very clever idea of using a screw from an old broken phone that you had available. That was very smart thinking my friend. Congratulations in repairing your smartphone yourself.

I can’t type the code since some keys are not working and others seem to appear. It certainly sounds like your phone is being stubborn and is not going to allow you to run the diagnostic test on its touch screen.

Most smartphones these days require a working touch screen to function properly so trying to troubleshoot a malfunctioning touch screen can, as you well know, be quite a challenge if even at all possible.

My problem is that I could not open my phone even though I entered the correct password so I did a hard reset to open it. I then I realized that the keys are all mixed up.

Hey, I put in the Device Diagnostic Tool code and have been getting this message every time. It sounds like your phone will not accept the code to activate the Device Diagnostics Tool.

This seems to be a more and more common occurrence on newer smartphones. It would seem that these amazingly useful star codes are starting to get phased out on the latest models of smartphones.

I switched the phone off and on several times, but the problem remains. After reading your article I pulled out the battery for at least 5 hours Approx and start the phone again.

Now it works normally. But I don’t know for how long it’ll work. Thank you again for your suggestion. Thanks a lot for the help. I have been confused about this problem for a few days but I was able to solve it with this tutorial.

I own a Lenovo A, and I dropped it in a bucket of water. I picked it up quickly, turned it off then opened the back part of the phone. I removed the sim, memory card, but I can’t pull the battery because it’s unremovable.

I let a day pass by, then I tried to open my phone again and thankfully it functioned normally like nothing ever happened to it. Until today, the screen suddenly became unresponsive and I can’t even turn it off because I have to pick an option button on the screen to turn off the phone.

What should I do? There is a very good chance that it can help you to get your cell phone to function correctly again. The touch interface doesn’t work properly.

There are times when it absolutely does not work at all and others when it just works by itself. I have no water damage, my screen is clean, I restarted the phone tons of times, nothing seems to work.

Sometimes I have 5 active apps the problem seems to get worse when this occurs, I clear them all, and then clear the RAM, and the problem persists. I was informed that this might be a software issue.

Do you have any idea of what I can do? Thank you in advance. An unresponsive touch screen can be the result of a hardware or software problem and sometimes it can be difficult to figure out which it is as a smartphone requires a working touch screen to function properly.

That being said I sometimes experience a similar issue on my Samsung Galaxy S4 and every once in a while for no apparent reason what so ever the bottom half of its screen will stop responding while the top half continues to function properly.

I removed the battery for nearly 20 min I’m not sure if it makes a difference and so far the phone has been working practically just fine. I waited some time to answer to be sure the phone is indeed ok.

It only malfunctioned once when it was extremely hot, so I guess removing the battery works. This closes all the apps for good when I exit them. So now I have no active apps at all time, which I think also helped since the RAM doesn’t get “full”.

Skip to main content. Before we begin Before we really dive in to testing and troubleshooting your touch screen the first thing that you should do is power cycle your cell phone.

Opening your cell phones Device Diagnostics Tool Start out by accessing the dial pad on your cell phone as though you were going to type in some ones telephone number.

Some common Star Code commands used to access this diagnostics feature include: Step by step instructions with pictures This tutorial is going to use screenshots taken with a Samsung Galaxy S 4 running on Android 4.

Battery Pull Since we have already tried to power cycle the phone I recommend you try the next best thing and that is a battery pull. Safe Mode Safe Mode is a great troubleshooting tool as it instructs an Android cell phone to run with no third party applications.

Applications If you have narrowed it down to a bad application or this issue started to occur around the same time that you downloaded an application then I would check for updates and if necessarily uninstall and remove that application from your smartphone.

Hard Reset A Hard Reset is one of the most powerful tools in your arsenal as it removes all user data from a cell phone. A word of caution about performing a hard reset on a cell phone with a malfunctioning touch screen If parts of your touch screen are working while other parts are malfunctioning but you can still use your phone to a certain point, even if it is difficult, especially if the touch screen diagnostics test fails indicating a likely hardware problem, I DO NOT recommend performing a hard reset on your cell phone and this is why.

Replacing the touch screen If you have tried all of the advice listed above and your touch screen continues to malfunction then you will need to look into your repair or replacement options.

Buying a replacement touch screen Online is going to be the best place to buy replacement parts for your cell phone and while it is a good idea to shop around before making a purchase there are a few sites that are really good places to start shopping.

Thank you for reading I hope that you found this article a helpful resource for testing and fixing the touch screen on your Android smartphone. Hi again Febin, That sounds like a good plan my friend.

Touching icons to open apps was working, but I think its starting to fail. Thanks for this information. It was very helpful. Could you please give me some advice as to why this is happening and what I should do?

Thank you so much! Hi Jen, There can be a few things that can cause the touch screen on a smartphone to act this way. Hi Ivy, Hard to tell for certain but from your description I am going to lean more towards a hardware problem and an issue with the touch screen itself.

Hi, Thanks for the reply. Thanks so much for the reply The uncalibrated magnetometer allows higher level algorithms to handle bad hard iron estimation. Soft-iron calibration and temperature compensation must be applied to the measurements.

If the implementation is not able to estimate the bias, then this sensor must not be implemented. Some sensors are mostly used to detect interactions with the user. We do not define how those sensors must be implemented, but they must be low power and it is the responsibility of the device manufacturer to verify their quality in terms of user experience.

A wake up gesture sensor enables waking up the device based on a device specific motion. When this sensor triggers, the device behaves as if the power button was pressed, turning the screen on.

This behavior turning on the screen when this sensor triggers might be deactivated by the user in the device settings. Changes in settings do not impact the behavior of the sensor: The actual gesture to be detected is not specified, and can be chosen by the manufacturer of the device.

A pick-up gesture sensor triggers when the device is picked up regardless of wherever it was before desk, pocket, bag. A glance gesture sensor enables briefly turning the screen on to enable the user to glance content on screen based on a specific motion.

When this sensor triggers, the device will turn the screen on momentarily to allow the user to glance notifications or other content while the device remains locked in a non-interactive state dozing, then the screen will turn off again.

This behavior briefly turning on the screen when this sensor triggers might be deactivated by the user in the device settings. Every day there are thousands of additions to the Google Play store, but many go unnoticed and never receive the attention they deserve.

Check out our top picks and let us know in the comments section if you have any When Monday rolls around, we look back to see which apps were the most appealing to our audience.

Read on for the five most popular Android apps from last week. Copying is nothing new. The app brought us short 24 hour photos and videos as well as a private messaging system that allows one view before the content disappears, and everyone now aspires to be Snapchat.

This exercise demonstrates the usage of the ScrollView view to provide a scrollable user interface component. Create an android project de. Adding animations to your app interface will give high quality feel to your android applications.

Animations can be performed through either XML or android code. In this tutorial i explained how to do animations using XML notations. I will explain how to do the same using android java code in future tutorials.

Here i covered basic android animations like fade in, fade out, scale, rotate, slide up, slide down etc. In the source code project provided in this tutorial, I wrote separate activity and XML for each animation.

Download and play with the code to get familiar with the animations. Following are list of animations covered in this article. Following are the basic steps to perform an animation on any UI element.

Creating animation is very simple, all it needs is creating necessary files and write small pieces of code. Create an xml file which defines type of animation to perform.

Following is example of simple fade in animation. Next in your activity create an object of class. And load the xml animation using by calling loadAnimation function.

If you want to listen to animation events like start, end and repeat, your activity should implements. This step is optional. If you implement AnimationListener you will have to override following methods.

You can start animation whenever you want by calling startAnimation on any UI element by passing the type of animation. In this example i am calling fade in animation on TextView.

When working with animations it is better to have through knowledge about some of the important XML attributes which create major differentiation in animation behavior.

Following are the important attributes you must known about. This property is mainly used to perform multiple animations in a sequential manner. If it sets to false the element changes to its previous state after the animation.

If you set this value to infinite then animation will repeat infinite times. Following i am giving xml code to perform lot of useful animations. Try to assign different values to xml attributes to see change in animations.

Fade in animation is nothing but increasing alpha value from 0 to 1. Cross fading is performing fade in animation while other element is fading out. In the following code i loaded fade in and fade out, then performed them on two different UI elements.

Blink animation is animating fade out or fade in animation in repetitive fashion. For this you will have to set android: Also you need to use fromXScale, fromYScale attributes which defines scaling of the object.

Keep these value lesser than toXScale, toYScale. For rotate animation required tags are android: Clock wise — use positive toDegrees value Anti clock wise — use negative toDegrees value.

Slide up can be achieved by setting android: Slide down is exactly opposite to slide down animation. Bounce is just an animation effect where animation ends in bouncing fashion. For this set android: This bounce can be used with any kind animation.

Following slide down example uses bounce effect. If you want to perform multiple animation in a sequential manner you have to use android: The easy way to calculate this value is to add the duration and startOffset values of previous animation.

Following is a sequential animation where set of move animations performs in sequential manner. Performing all animation together is just writing all animations one by one without using android: Thank You Ravi is hardcore Android programmer and Android programming has been his passion since he compiled his first hello-world program.

Solving real problems of Android developers through tutorials has always been interesting part for him. Sencha Touch is a UI, or, specifically built for the. It can be used by to develop user interfaces for mobile that look and feel like on supported mobile devices.

It is based on such as, and. The goal of Sencha Touch is to facilitate quick and easy development of HTML5 based mobile apps which run on, , , and devices, simultaneously allowing a native look and feel to the apps.

Sencha Touch is a product of Sencha, which was formed after popular JavaScript library projects, and were combined. The first release of Sencha Touch, version 0. This beta release supported devices running Android, and iOS on, ,.

Subsequently, the first stable version, 1. The latest release, Sencha Touch 2. Sencha Touch follows Pattern which separates the application data, the control code and view. This separation allows large scale applications to be flexible and easy to maintain.

Sencha Touch has an inbuilt manipulation interface which negates the dependency on other frameworks like jQuery. It includes a set of GUI-based or components for use within mobile web applications.

These components are optimized for touch input. All the components can be themed according to the target device. This is done using, a stylesheet language built over CSS. Some of the native-lookalike themes are for iOS6.

Sencha Touch has eight in-built transition effects including slide over or under the current element, pop, flip, and cube. It supports common touch gestures built from, which are but supported only by, , and some touch enabled devices.

These are tap, double tap, swipe, scroll, and pinch. Sencha Touch also supports charting components including pie charts, bar graphs, line series, etc. These components support interactivity like pinch and zoom.

Just like the Grid components in, Sencha Touch offers functionality. Profiling in Sencha Touch allows you to create different profiles catering to different screen sizes. When the application is loaded, the framework determines the type of device, and its corresponding profile determines which components and functionality need to be swapped out, and the specific views and controllers that need to be invoked, saving the developer the task of creating a different application for each type of device.

Sencha Touch provides plugins for ease of development. Benefits of these plugins include and, and ease of navigation to framework codebase and custom classes. Sencha Touch has plugins for popular IDEs like, and.

There is a visual app builder, , for building cross platform HTML5 apps. It provides addiction features like theming and integration. Sencha Touch makes it convenient to use a map in your application using the component.

With being more efficient and faster than before, web apps run almost as smooth as native apps. Join us for a roundup of the top stories on InformationWeek. We’ll be talking with the InformationWeek.

The information provided here generally refers to the AMx devices. The Jelly Bean release uses board-specific init file instead of the unified init. The board name is determined by the android property ro.

So the init file for amxevm becomes init. Depending on the display size, android uses either the phone layout e. AMxevm or tablet layout BeagleBone Black. To activate the Software Navigation Bar, add the following line in.

In case you have a Landscape Display and the resolution is not high enough to enter Tablet-mode, you will see a Vertical Navigation Bar. To view the Navigation keys correctly in this case add the following lines in init.

For variable backlight intensity, PWM-controlled backlight is generally used. For integration with the Android Backlight settings configuration, the liblights HAL needs to be implemented for the board.

The output HAL library should have the name lights. You can however specify the minimum brightness below which Brightness cannot be reduced from the Android settings in the overlay e. The platform data for TSC driver for AMx contains the following fields to provide calibration data:.

You can obtain the raw value returned by the touchscreen at the corners using the getevent utility in Android. AMx uses ti-tsc touchscreen driver, so the. Here porting explanation for matrix gpio keypad controller.

Android system uses vold as the mount daemon, which detects, mounts and monitors the status of sdcard. The mount daemon needs a configuration file to tell it what the sdcard device is.

See in the Android source tree for the detailed explanations of the format. Depending on the interface used these values can change. Best way is to probe sysfs directories to find the fixed name.

For MMC the entry will be of the form:. This release supports audio playback and capture at For application-specific usage, the audio HAL supports the software resampler. The audio HAL is implemented at.

This file contains the ALSA mixer settings for the various audio paths supported by the driver. The following is the contents of. The mixers setting commands at the beginning of the file are executed when the audio HAL is initialized.

Android handles volume control in software. We recommend to keep the default volume levels close to maximum in the audio HAL. This section of guide provides a step by step explanation of what’s involved in adding a new WiFi driver and making WiFi work in a custom Android build like Rowboat.

The code below is provided for information only and is not complete. Please refer to the source for more details. Add the required permissions file into the android filesystem by updating device.

If you do not see the message wl Please ensure that all the relevant pinmuxing and gpio configuration is correct and not over-written. If wlan0 is not available in netcfg output, the driver might have been unloaded due to some error.

The above messages show that the interface is up and the firmware is downloaded to wlan module and booted. Running the calibration results in a random MAC address being set.

To set the desired MAC address, run the following step:. Enable Bluetooth with the following setting in BoardConfig. Copy the Bluetooth permissions file and the relevant bluez conf file.

The permissions file also enables Bluetooth menu in Settings. The Android gadget driver is configured via the sysfs entries. These are done from init. For amxevm, this is init.

The sysfs settings need to be done depending on the features required to be enabled. By default only the adb and mtp mode is configured. Modify start and length fields as needed.

The fastboot protocol is a mechanism for communicating with bootloaders over USB. It is designed to flash Android build images x-loader, bootloader, kernel, system, userdata etc on to the target device.

Fastboot is implemented in u-boot. The entry for each partition can be modified as per the requirement. Fastboot will reject flashing for images more than MB size.

Please note that the standard linux driver is modified to report light sensor values to the input sub-system. You can use the light sensor input to modify the LCD backlight intensity.

You need to add the following entry in the overlay:. Also you need to implement a lookup table to map the light intensity to the LCD backlight values. Please refer to the file for more details.

The driver is modified to be compatible with the android sensor input subsystem. The Camera icon will automatically appear in apps due to presence of camera. Add permission for camera in init.

This is used for temporary storage before capture. You may need to change this for your device. The telephony framework provides APIs to access the Phone. Telephony framework will be initialized and started during the system start up.

All the queries from the application through API will directed to the Radio interface Layer of Android by these services. The service will keep tracking of all the unsolicited commands from the modem.

Unsolicited commands are the commands initiated from the modem. It is the bridge between Android phone framework services and the hardware. The RIL consist of two primary components.

RILD will be initialized during the Android system start up. It will read the system property or use command line arguments to find which library has to be used for Vendor RIL. It is a library specific to each modem that processes all communication with radio hardware and dispatches calls to the RIL Daemon.

The first mode, sometimes known as ZeroCD, is often used to provide driver for desktop operating system and is generally of no interest for Android. By default modem will be in flash memory storage mode.

The vendor IDs and product IDs mentioned in this configurations are specific to modem. If 3G modem is connected, it will switch it in modem mode. Once 3G modem is switched into modem mode. It will provide 3 serial nodes.

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That being said I sometimes experience a similar issue on my Samsung Galaxy S4 and every once in a while for no apparent reason what so ever the bottom half of its screen will stop responding while the top half continues to function properly. Online is going to be the best place to buy replacement parts for your cell phone and while it is a good idea to shop around before making a purchase there are a few sites that are really good places to start shopping. This is an older sensor type that has been deprecated in the Android SDK. This cycle has been repeating for a month. Once these references are loaded, the main app launch function is called. If you implement AnimationListener you will have to override following methods.

The vendor IDs and product IDs mentioned in this configurations are specific to modem. SuppressLint ; import android. MotionEvent ; import android.

How to Backup and Reset an Android Phone. When Monday rolls around, we look back to see which apps were the most appealing to our audience. To estimate absolute elevation, the sea-level pressure changing depending on the weather must be used as a reference. Is there a local repair shop that works on electronics in the area?

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The hardware must ensure the internal step count never overflows. It cannot use magnetometer as an input, besides, indirectly, through estimation of the gyroscope bias. What should I do? Physically removing the battery while the phone is on is a type of Soft Reset that you can perform on an Android smartphone and can also help to resolve minor software issues. See…

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