TelephonyManager

использование телефонного менеджера





package amurdroid.myapp17092;

import android.app.Activity;
import android.media.MediaPlayer;
import android.os.Bundle;
import android.telephony.PhoneStateListener;
import android.telephony.TelephonyManager;
import android.view.View;
import android.widget.Button;
import android.widget.Toast;

public class MainActivity extends Activity  {



    MediaPlayer mPlayer;
    Button startButton, pauseButton, stopButton;
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);


        mPlayer=MediaPlayer.create(this, R.raw.ase);
        mPlayer.setOnCompletionListener(new MediaPlayer.OnCompletionListener() {
            @Override
            public void onCompletion(MediaPlayer mp) {
                stop();
            }
        });
        startButton = (Button) findViewById(R.id.start);
        pauseButton = (Button) findViewById(R.id.pause);
        stopButton = (Button) findViewById(R.id.stop);

        pauseButton.setEnabled(false);
        stopButton.setEnabled(false);
        PhoneStateListener phoneStateListener = new PhoneStateListener() {
            @Override
            public void onCallStateChanged(int state, String incomingNumber) {
                if (state == TelephonyManager.CALL_STATE_RINGING) {

                    if(mPlayer!=null){//check mp


                        if(mPlayer.isPlaying()){

                            mPlayer.pause();
                        }
                    }

                } else if(state == TelephonyManager.CALL_STATE_IDLE) {
                    mPlayer.start();

                } else if(state == TelephonyManager.CALL_STATE_OFFHOOK) {

                    if(mPlayer!=null){//check mp


                        if(mPlayer.isPlaying()){

                            mPlayer.pause();
                        }
                    }
                }
                super.onCallStateChanged(state, incomingNumber);
            }
        };//end PhoneStateListener

        TelephonyManager mgr = (TelephonyManager) getSystemService(TELEPHONY_SERVICE);
        if(mgr != null) {
            mgr.listen(phoneStateListener, PhoneStateListener.LISTEN_CALL_STATE);
        }
    }



    private void stop(){
        mPlayer.stop();
        pauseButton.setEnabled(false);
        stopButton.setEnabled(false);
        try {
            mPlayer.prepare();
            mPlayer.seekTo(0);
            startButton.setEnabled(true);
        }
        catch (Throwable t) {
            Toast.makeText(this, t.getMessage(), Toast.LENGTH_SHORT).show();
        }
    }
    public void startAudio(View view){

        mPlayer.start();
        startButton.setEnabled(false);
        pauseButton.setEnabled(true);
        stopButton.setEnabled(true);
    }

    public void pauseAudio(View view){

        mPlayer.pause();
        startButton.setEnabled(true);
        pauseButton.setEnabled(false);
        stopButton.setEnabled(true);
    }

    public void stopAudio(View view){

        stop();
    }

    @Override
    public void onDestroy() {
        super.onDestroy();
        if (stopButton.isEnabled()) {
            stop();
        }
    }
}