Foreground Service Example in Android

 

 

activity_main.xml

<?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"

    tools:context=".MainActivity">

    <Button

        android:id="@+id/btn_start"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:text="Start Service"

        android:layout_margin="20sp"/>

    <Button

        android:id="@+id/btn_stop"

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:text="Stop Service"

        android:layout_margin="20sp"/>

</LinearLayout>

MainActivity.java

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 {

    private Button btn_start,btn_stop;

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

        btn_start = findViewById(R.id.btn_start);

        btn_stop = findViewById(R.id.btn_stop);

        btn_start.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                startService(new Intent(MainActivity.this,ForegroundService.class));

            }

        });

        btn_stop.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                stopService(new Intent(MainActivity.this,ForegroundService.class));

            }

        });

    }

}

ForegroundService.java

import android.app.NotificationChannel;

import android.app.NotificationManager;

import android.app.PendingIntent;

import android.app.Service;

import android.content.Intent;

import android.os.Binder;

import android.os.Build;

import android.os.IBinder;

import androidx.core.app.NotificationCompat;

public class ForegroundService extends Service {

    private final IBinder mBinder = new MyBinder();

    private static final String CHANNEL_ID = "2";

    @Override

    public IBinder onBind(Intent intent) {

        return mBinder;

    }

    @Override

    public int onStartCommand(Intent intent, int flags, int startId) {

        return START_STICKY;

    }

    @Override

    public void onCreate() {

        super.onCreate();

        buildNotification();

    }

    private void buildNotification() {

        String stop = "stop";

        PendingIntent broadcastIntent = PendingIntent.getBroadcast(

                this, 0, new Intent(stop), PendingIntent.FLAG_UPDATE_CURRENT);

        // Create the persistent notification

        NotificationCompat.Builder builder = new NotificationCompat.Builder(this, CHANNEL_ID)

                .setContentTitle(getString(R.string.app_name))

                .setContentText("Foreground service is working")

                .setOngoing(true)

                .setContentIntent(broadcastIntent);

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.O) {

            NotificationChannel channel = new NotificationChannel(CHANNEL_ID, getString(R.string.app_name),

                    NotificationManager.IMPORTANCE_DEFAULT);

            channel.setShowBadge(false);

            channel.setDescription("Foreground service is working");

            channel.setSound(null, null);

            NotificationManager manager = (NotificationManager) getSystemService(NOTIFICATION_SERVICE);

            manager.createNotificationChannel(channel);

        }

        startForeground(1, builder.build());

    }

    public class MyBinder extends Binder {

        public ForegroundService getService() {

            return ForegroundService.this;

        }

    }

}

AndroidManifest.xml

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

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

    package="com.surabhiglobal.foregroundserviceexample">

    <uses-permission android:name="android.permission.FOREGROUND_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/Theme.ForegroundServiceExample">

        <activity

            android:name=".MainActivity"

            android:configChanges="orientation|screenSize">

            <intent-filter>

                <action android:name="android.intent.action.MAIN" />

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

            </intent-filter>

        </activity>

        <service

            android:name=".ForegroundService"

            android:enabled="true"

            android:exported="false"/>

    </application>

</manifest>