private void shortcutAdd(String name, int number) {
// Intent to be send, when shortcut is pressed by user ("launched")
Intent shortcutIntent = new Intent(getApplicationContext(), Play.class);
shortcutIntent.setAction(Constants.ACTION_PLAY);
// Create bitmap with number in it -> very default. You probably want to give it a more stylish look
Bitmap bitmap = Bitmap.createBitmap(100, 100, Bitmap.Config.ARGB_8888);
Paint paint = new Paint();
paint.setColor(0xFF808080); // gray
paint.setTextAlign(Paint.Align.CENTER);
paint.setTextSize(50);
new Canvas(bitmap).drawText(""+number, 50, 50, paint);
((ImageView) findViewById(R.id.icon)).setImageBitmap(bitmap);
// Decorate the shortcut
Intent addIntent = new Intent();
addIntent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
addIntent.putExtra(Intent.EXTRA_SHORTCUT_NAME, name);
addIntent.putExtra(Intent.EXTRA_SHORTCUT_ICON, bitmap);
// Inform launcher to create shortcut
addIntent.setAction("com.android.launcher.action.INSTALL_SHORTCUT");
getApplicationContext().sendBroadcast(addIntent);
}
private void shortcutDel(String name) {
// Intent to be send, when shortcut is pressed by user ("launched")
Intent shortcutIntent = new Intent(getApplicationContext(), Play.class);
shortcutIntent.setAction(Constants.ACTION_PLAY);
// Decorate the shortcut
Intent delIntent = new Intent();
delIntent.putExtra(Intent.EXTRA_SHORTCUT_INTENT, shortcutIntent);
delIntent.putExtra(Intent.EXTRA_SHORTCUT_NAME, name);
// Inform launcher to remove shortcut
delIntent.setAction("com.android.launcher.action.UNINSTALL_SHORTCUT");
getApplicationContext().sendBroadcast(delIntent);
}
<activity
...
<intent-filter>
==> <action android:name="android.intent.action.MAIN" /> <== This line shouldn't be deleted, otherwise will have compile error
<category android:name="android.intent.category.LAUNCHER" /> //DELETE THIS LINE
</intent-filter>
</activity>
<activity
android:name=".activities.SplashActivity"
android:label="@string/app_name"
android:screenOrientation="portrait"
android:theme="@style/SplashTheme">
</activity>
<!-- <activity-alias used to change app icon dynamically> : default icon, set enabled true -->
<activity-alias
android:label="@string/app_name"
android:icon="@mipmap/ic_launcher"
android:roundIcon="@mipmap/ic_launcher_round"
android:name=".SplashActivityAlias1" <!--put any random name started with dot-->
android:enabled="true"
android:targetActivity=".activities.SplashActivity"> <!--target activity class path will be same for all alias-->
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity-alias>
<!-- <activity-alias used to change app icon dynamically> : sale icon, set enabled false initially -->
<activity-alias
android:label="@string/app_name"
android:icon="@drawable/ic_store_marker"
android:roundIcon="@drawable/ic_store_marker"
android:name=".SplashActivityAlias" <!--put any random name started with dot-->
android:enabled="false"
android:targetActivity=".activities.SplashActivity"> <!--target activity class path will be same for all alias-->
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.DEFAULT" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity-alias>
/**
* method to change the app icon dynamically
*
* @param context
* @param isNewIcon : true if new icon need to be set; false to set default
* icon
*/
public static void changeAppIconDynamically(Context context, boolean isNewIcon) {
PackageManager pm = context.getApplicationContext().getPackageManager();
if (isNewIcon) {
pm.setComponentEnabledSetting(
new ComponentName(context,
"com.example.dummy.SplashActivityAlias1"), //com.example.dummy will be your package
PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
PackageManager.DONT_KILL_APP);
pm.setComponentEnabledSetting(
new ComponentName(context,
"com.example.dummy.SplashActivityAlias"),
PackageManager.COMPONENT_ENABLED_STATE_ENABLED,
PackageManager.DONT_KILL_APP);
} else {
pm.setComponentEnabledSetting(
new ComponentName(context,
"com.example.dummy.SplashActivityAlias1"),
PackageManager.COMPONENT_ENABLED_STATE_ENABLED,
PackageManager.DONT_KILL_APP);
pm.setComponentEnabledSetting(
new ComponentName(context,
"com.example.dummy.SplashActivityAlias"),
PackageManager.COMPONENT_ENABLED_STATE_DISABLED,
PackageManager.DONT_KILL_APP);
}
}
步骤3)。现在根据您的需求调用此方法,比如按钮单击或日期特定或场合特定的条件,简单地如-
// Switch app icon to new icon
GeneralUtils.changeAppIconDynamically(EditProfileActivity.this, true);
// Switch app icon to default icon
GeneralUtils.changeAppIconDynamically(EditProfileActivity.this, false);