Here is source code of the Program to Start a Service After Every Hour in Android. The program is successfully compiled and run on a Windows system using Eclipse Ide. The program output is also shown below.
MainActivity.java
package com.example.service_service_regularly; import java.util.Calendar; import android.os.Bundle; import android.app.Activity; import android.app.AlarmManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.view.Menu; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; import android.widget.TextView; public class MainActivity extends Activity implements OnClickListener { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); Button start = (Button) findViewById(R.id.start); Button end = (Button) findViewById(R.id.end); start.setOnClickListener(this); end.setOnClickListener(this); } @Override public boolean onCreateOptionsMenu(Menu menu) { // Inflate the menu; this adds items to the action bar if it is present. getMenuInflater().inflate(R.menu.main, menu); return true; } @Override public void onClick(View v) { // TODO Auto-generated method stub switch (v.getId()) { case R.id.start: startService(new Intent(this, MyService.class)); Calendar cal = Calendar.getInstance(); Intent intent = new Intent(this, MyService.class); PendingIntent pintent = PendingIntent .getService(this, 0, intent, 0); AlarmManager alarm = (AlarmManager) getSystemService(Context.ALARM_SERVICE); // Start service every hour alarm.setRepeating(AlarmManager.RTC_WAKEUP, cal.getTimeInMillis(), 3600*1000, pintent); break; case R.id.end: stopService(new Intent(this, MyService.class)); break; default: break; } } }
MyService.java
package com.example.service_service_regularly; import android.app.Service; import android.content.Intent; import android.os.IBinder; import android.widget.Toast; public class MyService extends Service { @Override public IBinder onBind(Intent intent) { // TODO Auto-generated method stub return null; } @Override public void onCreate() { Toast.makeText(this, " MyService Created ", Toast.LENGTH_LONG).show(); } @Override public void onStart(Intent intent, int startId) { Toast.makeText(this, " MyService Started", Toast.LENGTH_LONG).show(); } @Override public void onDestroy() { // TODO Auto-generated method stub Toast.makeText(this, "Servics Stopped", Toast.LENGTH_SHORT).show(); super.onDestroy(); } }
Activity_main.xml
<RelativeLayout 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: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=".MainActivity" > <Button android:id="@+id/end" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignRight="@+id/start" android:layout_below="@+id/start" android:layout_marginTop="44dp" android:text="End Service" /> <Button android:id="@+id/start" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_alignParentLeft="true" android:layout_alignParentRight="true" android:layout_alignParentTop="true" android:layout_marginTop="42dp" android:text="Start Service" /> </RelativeLayout>
AndroidManifest.xml
<?xml version="1.0" encoding="utf-8"?> <manifest xmlns:android="http://schemas.android.com/apk/res/android" package="com.example.service_service_regularly" android:versionCode="1" android:versionName="1.0" > <uses-sdk android:minSdkVersion="8" android:targetSdkVersion="17" /> <application android:allowBackup="true" android:icon="@drawable/ic_launcher" android:label="@string/app_name" android:theme="@style/AppTheme" > <activity android:name="com.example.service_service_regularly.MainActivity" android:label="@string/app_name" > <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" /> </application> </manifest>
