Questions tagged as 'android-studio'

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Error: Execution failed for task ': app: preDexDebug'. finished with non-zero exit value 1

I'm trying to run the Android Studio compiler, but I get this error back. Error:Execution failed for task ':app:preDexDebug'. > finished with non-zero exit value 1 build.grad app: android { compileSdkVersion 23 buildToolsVersion...
asked by 05.11.2016 / 15:12
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Debug problem [closed]

I was using the Android emulator to test my apps, but it is very slow, I started to use my smartphone, but realized that many times the application is not updated. To resolve, I uninstall the application and run the application again. Would a be...
asked by 02.10.2016 / 15:06
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Error setting test environment [closed]

When running a test, simple to check the settings, the following error appears:    Error: Execution failed for task   ': app: transformClassesWithJarMergingForDebugAndroidTest'.   com.android.build.api.transform.TransformException: java.util....
asked by 01.09.2016 / 15:45
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How to finish running the app on the emulator

I am building an application that caches the remote data pool. Fact is, I change the remote data, I finish the application in the emulator with back button. On the next run, clicked on the application icon, the emulator loads the same inst...
asked by 27.08.2016 / 02:01
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keep the data in a variable of the first act after returning from the second act by the up button

I have the following problem, I have a list view in act1 that depends on a variable to load, when I finish my act2 or I go back by the back button of the android (bottom button) the value of the variable is maintained, but when I return using th...
asked by 22.09.2016 / 22:42
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Find and display in a listview a single type of DB information

I'm having trouble fetching a single type of DB information, I've already created a list where I bring all the information in it, but I want to pull only one, for example just fetch the names of the clients and display all of them in a listView,...
asked by 13.09.2016 / 00:45
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Real-time facial recognition on Android

Good morning! I'm creating a real-time facial recognition application. The application should compare the video image with a recorded image. In practically all the searches that I did the most suitable to be used was OpenCV . Implement...
asked by 01.11.2016 / 12:37
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Eclipse project migration for Android Studio - FATAL EXCEPTION

I did the import and I had no error, but when I try to compile the project I have this problem: 07-13 15:29:13.786 1380-1380/br.com.sistemaguardiao E/AndroidRuntime: FATAL EXCEPTION: main...
asked by 13.07.2016 / 17:49
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Menu screens are above the application start screen

I was implementing the Navigation Drawer standard and when I emulated the apk the options screens were over the apk home screen, like this: MainActivity.javaFile@OverridepublicvoidonBackPressed(){DrawerLayoutdrawer=(DrawerLayout)findViewById...
asked by 05.06.2016 / 20:45
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Make Calls / Send SMS between Android emulators

Using the AVD Manager , I created two devices - one with API level 22 and one with API level 23 . By loading both devices with the emulator, I would like to make calls and send SMS from one to the other. The API 22 emulator is on the...
asked by 14.06.2016 / 03:09