How to implement a confirmation (yes/no) DialogPreference?
That is a simple alert dialog, Federico gave you a site where you can look things up. Here is a short example of how an alert dialog can be built.
android
setBackgroundDrawable() deprecated
It’s an interesting topic. The way you are doing it is correct, apparently. It is actually just a naming decision change. As this answer points out, setBackground() just calls setBackgroundDrawable(): You can see this thread for more information about all of this.
Change the project theme in Android Studio?
In the AndroidManifest.xml, under the application tag, you can set the theme of your choice. To customize the theme, press Ctrl + Click on android:theme = “@style/AppTheme” in the Android manifest file. It will open styles.xml file where you can change the parent attribute of the style tag. At parent= in styles.xml you can browse … Read more
Reverse engineering from an APK file to a project
There are two useful tools which will generate Java code (rough but good enough) from an unknown APK file. Download dex2jar tool from dex2jar. Use the tool to convert the APK file to JAR: Windows: $ d2j-dex2jar.bat demo.apk dex2jar demo.apk -> ./demo-dex2jar.jar MacOS / Linux: $ d2j-dex2jar.sh -f demo.apk -o demo.jar Once the JAR file … Read more
How to disable action bar permanently
By setting activity theme in Manifest,
How to use ADB Shell when Multiple Devices are connected? Fails with “error: more than one device and emulator”
Use the -s option BEFORE the command to specify the device, for example: See also http://developer.android.com/tools/help/adb.html#directingcommands
How do I “select Android SDK” in Android Studio?
After a successful import of an Eclipse-Android-Project into “Android Studio 1.4”, I get the error “Please select Android SDK” when I click on the button to run the application in simulator, but I can’t find any way of doing that. This dialog opens when I click on “run”: This is the “project structure” dialog: What … Read more
Android Fragment no view found for ID?
I was having this problem too, until I realized that I had specified the wrong layout in setContentView() of the onCreate() method of the FragmentActivity. The id passed into FragmentTransaction.add(), in your case R.id.feedContentContainer, must be a child of the layout specified in setContentView(). You didn’t show us your onCreate() method, so perhaps this is … Read more
Cannot resolve symbol ‘AppCompatActivity’
A little addition to other answers here, for anyone having the same error while using the right lib version and the right class. When I upgraded to In which ActionBarActivity is deprecated and empty and AppCompatActivty is the way to go, due to some glitch in Android Studio, It didn’t quite pick up on version … Read more
Change Orientation of Bluestack : portrait/landscape mode
Try This… Go to your notification area in the taskbar. Right click on Bluestacks Agent>Rotate Portrait Apps>Enabled. There are several options available.. a. Automatic – Selected By Default – It will rotate the app player in portrait mode for portrait apps. b. Disabled – It will force the portrait apps to work in landscape mode. … Read more