Code to create MP3 (Music) player in android studio - Android programming.

//AndroidManifest.xml


<?xml version="1.0" encoding="utf-8"?>

<manifest
xmlns:android="http://schemas.android.com/apk/res/android"

    package="com.example.dharmik.p5">



    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"
/>



    <application

        android:allowBackup="true"

        android:icon="@mipmap/ic_launcher"

        android:label="@string/app_name"

        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>



        <service

            android:name=".MyService"

            android:enabled="true"

            android:exported="true"/>

    </application>



</manifest>



//strings.xml


<resources>

    <string name="app_name">P5</string>

    <string name="start">Start</string>

    <string name="stop">Stop</string>

</resources>



//MyService.java


package
com.example.dharmik.p5;



import
android.app.Service;

import
android.content.Intent;

import
android.media.MediaPlayer;

import
android.os.IBinder;



public
class MyService extends Service {

    public MyService() {

    }

    MediaPlayer mp;



    @Override

    public IBinder onBind(Intent intent) {

        // TODO: Return the communication
channel to the service.

        throw new UnsupportedOperationException("Not yet
implemented");

    }


    @Override

    public void onCreate() {

        super.onCreate();

        mp=MediaPlayer.create(getApplicationContext(),R.raw.bkh);

        mp.start();

    }

    @Override

    public void onDestroy() {

        super.onDestroy();

        mp.stop();

    }

}


//activity_main.xml



<?xml version="1.0" encoding="utf-8"?>

<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:id="@+id/activity_music__player"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:paddingBottom="@dimen/activity_vertical_margin"

    android:paddingLeft="@dimen/activity_horizontal_margin"

    android:paddingRight="@dimen/activity_horizontal_margin"

    android:paddingTop="@dimen/activity_vertical_margin"

    tools:context="com.example.dharmik.p5.MainActivity">



    <Button

        android:text="@string/start"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:onClick="start"

        android:layout_marginStart="62dp"

        android:layout_marginTop="152dp"

        android:id="@+id/btn_start"

        android:layout_alignParentTop="true"

        android:layout_alignParentLeft="true"

        android:layout_alignParentStart="true"

        android:layout_marginLeft="62dp" />



    <Button

        android:text="@string/stop"

        android:layout_width="wrap_content"

        android:onClick="stop"

        android:layout_height="wrap_content"

        android:id="@+id/btn_stop"

        android:layout_alignBaseline="@+id/btn_start"

        android:layout_alignBottom="@+id/btn_start"

        android:layout_alignParentRight="true"

        android:layout_alignParentEnd="true"

        android:layout_marginRight="38dp"

        android:layout_marginEnd="38dp" />

</RelativeLayout>



//MainActivity.java



package
com.example.dharmik.p5;



import
android.content.Intent;

import
android.support.v7.app.AppCompatActivity;

import
android.os.Bundle;

import
android.view.View;

import
android.widget.Button;



public
class MainActivity extends AppCompatActivity {



    Button start,stop;

    @Override

    protected void onCreate(Bundle
savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

    }



    public void start(View
view){

        Intent intent=new Intent(this,MyService.class);

        startService(intent);

    }



    public void stop(View
view){

        Intent intent=new Intent(this,MyService.class);

        stopService(intent);

    }

}




//Output