Service 백그라운드 음악

음악 복사 후 res폴더에 raw폴더 생성하고 raw폴더에 붙여 넣기

붙여 넣기 할 때 음악에 영어 대문자가 있으면 안 됨

 

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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"
    android:orientation="vertical"
    tools:context=".MainActivity">

    <Button
        android:id="@+id/btn_start"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="서비스 시작"/>

    <Button
        android:id="@+id/btn_stop"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="서비스 종료"/>


</LinearLayout>

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MainActivity.java

package com.example.service;

import androidx.appcompat.app.AppCompatActivity;

import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;

public class MainActivity extends AppCompatActivity {

    Button btn_start, btn_stop;


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

        btn_start = (Button)findViewById(R.id.btn_start);
        btn_stop = (Button)findViewById(R.id.btn_stop);

        btn_start.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                startService(new Intent(getApplicationContext(), MusicService.class));
            }
        });

        btn_stop.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View view) {
                stopService(new Intent(getApplicationContext(), MusicService.class));
            }
        });

    }
}

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MusicService.java

package com.example.service;

import android.app.Service;
import android.content.Intent;
import android.media.MediaPlayer;
import android.os.IBinder;

import androidx.annotation.Nullable;

public class MusicService extends Service {
    MediaPlayer mediaPlayer;

    @Nullable
    @Override
    public IBinder onBind(Intent intent) {
        return null;
    }

    // 서비스가 시작될때 초기화 하는 부분
    @Override
    public void onCreate() {
        super.onCreate();
        mediaPlayer = MediaPlayer.create(this, R.raw.getoutside);
        mediaPlayer.setLooping(false);
    }

    // 서비스 시작
    @Override
    public int onStartCommand(Intent intent, int flags, int startId) {

        mediaPlayer.start();

        return super.onStartCommand(intent, flags, startId);
    }

    // 서비스가 끝났을때 만들어주는 부분
    @Override
    public void onDestroy() {
        super.onDestroy();

        mediaPlayer.stop();
    }
}

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AndroidManifest.xml

<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.example.service">

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/AppTheme">
        <activity android:name=".MainActivity">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>

        // 안해주면 음악이 실행되지 않음
        <service android:name=".MusicService"/>

    </application>

</manifest>

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