AndroidBroadcastReceiver接收收到短信的广播

import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.widget.Toast;

public class MsgReceiver extends BroadcastReceiver {

  @Override
  public void onReceive(Context context, Intent intent) {
    // TODO: This method is called when the BroadcastReceiver is receiving
    // an Intent broadcast.
    Toast.makeText(context, "收到信息", Toast.LENGTH_SHORT).show();
    //添加Toast便于观察
  }
} 

import android.Manifest;
import android.content.pm.PackageManager;
import android.support.v4.app.ActivityCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

public class MainActivity extends AppCompatActivity {

  @Override
  protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    if (ActivityCompat.checkSelfPermission(MainActivity.this,
        Manifest.permission.READ_SMS)!= PackageManager.PERMISSION_GRANTED||
        ActivityCompat.checkSelfPermission(MainActivity.this,Manifest.permission.RECEIVE_SMS)
        !=PackageManager.PERMISSION_GRANTED){
      ActivityCompat.requestPermissions(MainActivity.this,
          new String[]{Manifest.permission.READ_SMS,Manifest.permission.RECEIVE_SMS},
          1);
    }//动态申请权限
  }
}