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How to make an Android device vibrate?
I wrote an Android application. Now, I want to make the device vibrate when a certain action occurs. How can I do this?
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How to set OnClickListener on a RadioButton in Android?
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you could try centering the radiobutton by putting android:gravity="center" in the xml under the RadioGroup tag. @RudolfRein
– OuuGiii
Dec 3 '17 at 17:57
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How to customize the back button on ActionBar
...r's background, logo image and text color using suggestions from these:
Android: How to change the ActionBar "Home" Icon to be something other than the app icon?
ActionBar text color
ActionBar background image
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How to change the font on the TextView?
...efault is Droid Sans.
Second, to change to a different built-in font, use android:typeface in layout XML or setTypeface() in Java.
Third, there is no Helvetica font in Android. The built-in choices are Droid Sans (sans), Droid Sans Mono (monospace), and Droid Serif (serif). While you can bundle yo...
AVD Manager - Cannot Create Android Virtual Device
I just installed the Android Eclipse Plugin and the Android SDK from Google yesterday. I open the AVD Manager window by going to Window -> Android Virtual Device Manager . I then click "New" and am presented with the "Create new Android Virtual Device (AVD)" window. The problem is, I can't get t...
How to list files in an android directory?
..., the permissions must be given in the manifest file.
<uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
Try this:
String path = Environment.getExternalStorageDirectory().toString()+"/Pictures";
Log.d("Files", "Path: " + path);
File directory = new File(path);
File...
'App not Installed' Error on Android
I have a program working in the Android Emulator. Every now and again I have been creating a signed .apk and exporting it to my HTC Desire to test. It has all been fine.
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Android Studio: Where is the Compiler Error Output Window?
When I 'Run' my project in Android Studio, in the 'Messages' window, I get:
15 Answers
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Can't delete virtual device from Eclipse, android
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In Linux/*nix and OSX:
Find the .android folder in your $HOME directory.
In .android there should be a avd folder
In the avd folder should be one or multiple .ini file and a corresponding *.avd virtual device folder.
Delete both the .ini file and the .avd fo...
How can I get a resource content from a static context?
...f Application, for instance public class App extends Application {
Set the android:name attribute of your <application> tag in the AndroidManifest.xml to point to your new class, e.g. android:name=".App"
In the onCreate() method of your app instance, save your context (e.g. this) to a static f...