#22 안드로이드 스튜디오 음악 재생 MP3 (서비스) 예제 [ 홍드로이드 ]

< activity_main.xml >

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">
 
    <Button
        android:id="@+id/btn_play"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_weight="1"
        android:text="재생"/>
 
    <Button
        android:id="@+id/btn_stop"
        android:layout_weight="1"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="정지"/>
 
</LinearLayout>

< MainActivity.java >

package com.example.musicplayerexample;
 
import android.media.MediaPlayer;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
 
public class MainActivity extends AppCompatActivity {
 
    Button btn_play;
    Button btn_stop;
 
 
    MediaPlayer mediaPlayer;
 
    // 액티비티가 종료될때.. 이곳을 실행함.
    @Override
    protected void onDestroy() {
        super.onDestroy();
        if(mediaPlayer != null) {
            mediaPlayer.release();
            mediaPlayer = null;
        }
 
    }
 
    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);
 
 
        btn_play = findViewById(R.id.btn_play);
        btn_stop = findViewById(R.id.btn_stop);
 
        // 재생버튼 눌렀을때..
        btn_play.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                mediaPlayer = MediaPlayer.create(MainActivity.this, R.raw.music);
                mediaPlayer.start();
            }
        });
 
 
        // 정지버튼 눌렀을때..
        btn_stop.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                if(mediaPlayer.isPlaying()) {
                    mediaPlayer.stop();
                    mediaPlayer.reset();
                }
            }
        });
 
 
 
 
 
 
 
 
 
 

    }
}