嘿，我才刚开始在android中进行编码并收到错误Permission Denial：不允许在android中发送广播

Question

permission denial

My activity code is

boolean isEnable= Settings.System.getInt(getContentResolver(),Settings.System.AIRPLANE_MODE_ON,0)==1;
Settings.System.putInt(getContentResolver(),Settings.System.AIRPLANE_MODE_ON,isEnable?0:1);
intent = new Intent(Intent.ACTION_AIRPLANE_MODE_CHANGED);
intent.putExtra("state",!isEnable);
sendBroadcast(intent);

Answer 1

That is because ordinary SDK apps cannot send ACTION_AIRPLANE_MODE_CHANGED broadcasts. If you look at the documentation for that Intent action , you will see:

This is a protected intent that can only be sent by the system.

Also note that your AIRPLANE_MODE_ON stuff may not work on API Level 17 (Android 4.2) or higher devices .

And, note that ordinary SDK apps cannot hold the WRITE_SETTINGS permission. If you are building your own custom Android ROM, you could have apps that hold that permission in that ROM.