Set Default Start Up Activity Class Java AndroidManifest xml
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Insert into your default start up activity tag inten-filter tag with action MAIN and category LAUNCHER
AndroidManifest.xml
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="//schemas.android.com/apk/res/android"
package="com.example.blabol"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="19" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name=".MainActivity"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application>
</manifest>
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If You have old PC (Android in emulator with high screen resolution uses a lot of memory) or your testing phone have small screen, You can try this trick.
Rename layout folder for small device screen f.g. from layout into layout-swXXXdp and a large layout-sw600dp into layout.
Your phone with small screnn will do select xml file from renamed layout folder (for small screen).
You can to testing rotation with device en stability of fragments if an application changed orientation.
If you have old pc, you can try to make a new virtual device running on older version of Android, which uses less memory of computer.
For testing of rotation stability - application orientation changed - use on emulator Ctrl+F11, Ctrl+F12 key (Windows).
Important
Before the release of application, you have to rename layout folder to older name layout-sw600dp and layout-swXXXdp to layout.
Rename layout folder for small device screen f.g. from layout into layout-swXXXdp and a large layout-sw600dp into layout.
Your phone with small screnn will do select xml file from renamed layout folder (for small screen).
You can to testing rotation with device en stability of fragments if an application changed orientation.
If you have old pc, you can try to make a new virtual device running on older version of Android, which uses less memory of computer.
For testing of rotation stability - application orientation changed - use on emulator Ctrl+F11, Ctrl+F12 key (Windows).
Important
Before the release of application, you have to rename layout folder to older name layout-sw600dp and layout-swXXXdp to layout.
drawArc(), Canvas, Paint, setStyle()
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(new SampleView(this));
}
private static class SampleView extends View {
// CONSTRUCTOR
public SampleView(Context context) {
super(context);
setFocusable(true);
}
@Override
protected void onDraw(Canvas canvas) {
canvas.drawColor(Color.CYAN);
Paint p = new Paint();
// smooths
p.setAntiAlias(true);
p.setColor(Color.RED);
p.setStyle(Paint.Style.STROKE);
p.setStrokeWidth(5);
// opacity
//p.setAlpha(0x80); //
RectF rectF = new RectF(50, 20, 100, 80);
canvas.drawOval(rectF, p);
p.setColor(Color.BLACK);
canvas.drawArc (rectF, 90, 45, true, p);
}
}
}
Context context = getApplicationContext();
String DB_PATH = "/data/data/"
+ context.getPackageName()
+ "/databases/";
SeekBar setOnSeekBarChangeListener Example. Change TextView font size by SeekBar Example.
TextView mTextView01 = (TextView)findViewById(R.id.textView01);
SeekBar mSeekBarTexSize = (SeekBar)findViewById(R.id.seekBarTextSize);
mSeekBarTexSize.setMax(100);
mSeekBarTexSize.setProgress(25);
mSeekBarTexSize.setOnSeekBarChangeListener(new SeekBar.OnSeekBarChangeListener() {
public void onProgressChanged(SeekBar seekBar, int progress,
boolean fromUser) {
mTextView01.setTextSize((float)progress);
}
public void onStartTrackingTouch(SeekBar seekBar) {}
public void onStopTrackingTouch(SeekBar seekBar) {}
});
If you change android:versionCode="224" and android:versionName="2.2.4" in AndroidManifest.xml you have to change this in build.gradle file too.
Click on build.gradle in package explorer tree change your new version name and code:
Click on build.gradle in package explorer tree change your new version name and code:
defaultConfig {
applicationId "cz.okhelp.pocasiwidget"
minSdkVersion 11
targetSdkVersion 23
versionCode 224
versionName "2.2.4"
}
Editace: 2015-04-02 19:27:39
Počet článků v kategorii: 396
Url:set-default-start-up-activity-class-java-androidmanifest-xml
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