ANDROID FOR FRESHERS
Android Program Audio Player Activity
Java Code(AudioAct)
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
public class AudioAct extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_audio);
}
public void startMe(View v)
{
Intent i = new Intent(this,Myservice.class);
startService(i);
}
public void stopMe(View v)
{
Intent i = new Intent(this,Myservice.class);
stopService(i);
}
}
Java Code (Myservice.class)
import android.app.Service;
import android.content.Intent;
import android.media.MediaPlayer;
import android.os.IBinder;
import android.support.annotation.Nullable;
public class Myservice extends Service
{
MediaPlayer mp;
@Nullable
@Override
public IBinder onBind(Intent intent) {
return null;
}
@Override
public void onCreate()
{
super.onCreate();
mp = MediaPlayer.create(this,R.raw.rock);
}
@Override
public void onStart(Intent intent, int startId)
{
super.onStart(intent, startId);
mp.start();
}
@Override
public void onDestroy()
{
super.onDestroy();
mp.stop();
}
}
Layout XML Code(activity_audio)
<?xml version=”1.0″ encoding=”utf-8″?>
<LinearLayout xmlns:android=”http://schemas.android.com/apk/res/android”
xmlns:tools=”http://schemas.android.com/tools”
android:layout_width=”match_parent”
android:layout_height=”match_parent”
android:orientation=”vertical”
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.andro.tech.androidproject.AudioAct”>
<TextView
android:layout_width=”wrap_content”
android:layout_height=”wrap_content”
android:textSize=”@dimen/textsize”
android:layout_gravity=”center”
android:textStyle=”bold”
android:text=”@string/Audiotext”
android:layout_marginBottom=”100dp” />
<Button
android:layout_width=”match_parent”
android:layout_height=”wrap_content”
android:text=”PLAY”
android:onClick=”startMe”
android:layout_marginBottom=”50dp”/>
<Button
android:layout_width=”match_parent”
android:layout_height=”wrap_content”
android:text=”STOP”
android:onClick=”stopMe”
android:layout_marginBottom=”80dp”/>
<Button
android:layout_width=”match_parent”
android:layout_height=”wrap_content”
android:text=”@string/sourcecode”
android:background=”@color/bgcolor”
android:textStyle=”bold”
android:textColor=”@color/text”
android:onClick=”view1″/>
</LinearLayout>
Output
Android multimedia example source code download
Download Audio Player Source Code
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