Android 6.0权限请求相关及权限分组方法

private static final int REQUEST_CODE = 1;
private void requestAlertWindowPermission() {
 Intent intent = new Intent(Settings.ACTION_MANAGE_OVERLAY_PERMISSION);
 intent.setData(Uri.parse("package:" + getPackageName()));
 startActivityForResult(intent, REQUEST_CODE);
}
 
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 super.onActivityResult(requestCode, resultCode, data);
 if (requestCode == REQUEST_CODE) {
 if (Settings.canDrawOverlays(this)) {
  Log.i(LOGTAG, "onActivityResult granted");
 }
 }
}

private static final int REQUEST_CODE_WRITE_SETTINGS = 2;
private void requestWriteSettings() {
 Intent intent = new Intent(Settings.ACTION_MANAGE_WRITE_SETTINGS);
 intent.setData(Uri.parse("package:" + getPackageName()));
 startActivityForResult(intent, REQUEST_CODE_WRITE_SETTINGS );
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
 super.onActivityResult(requestCode, resultCode, data);
 if (requestCode == REQUEST_CODE_WRITE_SETTINGS) {
 if (Settings.System.canWrite(this)) {
  Log.i(LOGTAG, "onActivityResult write settings granted" );
 }
 }
}