直播网站程序源码,清除app data以及获取图标
1.清除data
需要 配置权限
<uses-permission android:name="android.permission.ACCESS_INSTANT_APPS"/>
public static boolean clearData(String pkg){
Context context = HwContext.getContext();
ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
am.clearApplicationUserData(pkg,null);
return true;
}
或者
try {
Process exec = Runtime.getRuntime().exec("pm clear " + pkg);
exec.getInputStream().read(clearDataResult);获取结果
} catch (IOException e) {
e.printStackTrace();
}
2.获取app 图标
PackageManager pm = getPackageManager();
PackageInfo packageInfo = null;
try {
packageInfo = pm.getPackageInfo(getPackageName(),0);
} catch (PackageManager.NameNotFoundException e) {
e.printStackTrace();
}
drawable drawable = packageInfo.applicationInfo.loadIcon(pm);
保存icon
Drawable icon = t.getIcon();
File file = new File("icon.png");
try {
bitmap bm = drawableToBitmap(icon);
FileOutputStream out = new FileOutputStream(file);
bm.compress(Bitmap.CompressFormat.PNG, 90, out);
} catch (FileNotFoundException e) {
e.printStackTrace();
}
public Bitmap drawableToBitmap(Drawable drawable) {
Bitmap bitmap = Bitmap.createBitmap(
drawable.getIntrinsicWidth(),
drawable.getIntrinsicHeight(),
drawable.getOpacity() != PixelFormat.OPAQUE ? Bitmap.Config.ARGB_8888 : Bitmap.Config.RGB_565);
canvas canvas = new Canvas(bitmap);
// canvas.setBitmap(bitmap);
drawable.setBounds(0, 0, drawable.getIntrinsicWidth(),drawable.getIntrinsicHeight());
drawable.draw(canvas);
return bitmap;
}
以上就是 直播网站程序源码,清除app data以及获取图标,更多内容欢迎关注之后的文章
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