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What exactly does the .join() method do?
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Sign APK without putting keystore info in build.gradle
... def configName = 'release'
if (propsFile.exists() && android.signingConfigs.hasProperty(configName)) {
def props = new Properties()
props.load(new FileInputStream(propsFile))
android.signingConfigs[configName].storeFile = file(props['storeFil...
dpi value of default “large”, “medium” and “small” text views android
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See in the android sdk directory.
In \platforms\android-X\data\res\values\themes.xml:
<item name="textAppearanceLarge">@android:style/TextAppearance.Large</item>
<item name="textAppearanceMedium">@android:sty...
Taking screenshot on Emulator from Android Studio
... question but still, I don't know how to take a screenshot of Emulator via Android Studio. I recently switched from Eclipse to Android Studio and I could not find it anywhere, I tried to search on web too but no help.
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Display the current time and date in an Android application
How do I display the current date and time in an Android application?
23 Answers
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How to Add Stacktrace or debug Option when Building Android Studio Project
...le command line flags from
File > Settings > Compiler (Gradle-based Android Project)
For MacOS user, it's here
Android Studio > Preferences > Build, Execution, Deployment > Compiler
like this (add --stacktrace or --debug)
(Note that the screenshot is from before 0.8.10, the ...
Android canvas draw rectangle
...h 0 and the desired fill colour(s).
For example:
DrawView.java
import android.content.Context;
import android.graphics.Canvas;
import android.graphics.Color;
import android.graphics.Paint;
import android.view.View;
public class DrawView extends View {
Paint paint = new Paint();
public...
EditText, clear focus on touch outside
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If a view want to receive focus, it must satisfy these 3 conditions.
See android.view :
public boolean onTouchEvent(MotionEvent event) {
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if (((viewFlags & CLICKABLE) == CLICKABLE ||
(viewFlags & LONG_CLICKABLE) == LONG_CLICKABLE)) {
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if (isFocusable...
How to create your own library for Android development to be used in every program you write?
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You have to create Android Library Project.
Create android project in Eclipse, enter Project Properties -> Android and check isLibrary property. Now you can add this library to your Android Application project by adding it to list on the sam...
Remove/hide a preference from the screen
...PreferenceCategory, you have to do this:
XML:
<PreferenceCategory
android:key="category_foo"
android:title="foo">
<CheckBoxPreference
android:key="checkPref" />
Java:
CheckBoxPreference mCheckBoxPref = (CheckBoxPreference) findPreference("checkPref");
Preference...