Android Open Source - ServicesTutorial My Intent Service

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License

The source code is released under:

Apache License

Java Source Code

package com.yanlu.android.services.app.service;
//from w  w w  .  j av a  2 s . c  o m
import android.app.IntentService;
import android.app.Notification;
import android.app.NotificationManager;
import android.app.PendingIntent;
import android.content.Context;
import android.content.Intent;
import android.os.SystemClock;
import android.support.v4.app.NotificationCompat;

import com.yanlu.android.services.app.MainActivity;
import com.yanlu.android.services.app.R;
import com.yanlu.android.services.app.utils.ThreadUtils;


public class MyIntentService extends IntentService {
    private static final String TAG = "MyIntentService";

    private static final String ACTION_FOO = "com.yanlu.android.services.app.service.action.FOO";
    private static final String ACTION_BAZ = "com.yanlu.android.services.app.service.action.BAZ";

    private static final String EXTRA_PARAM1 = "com.yanlu.android.services.app.service.extra.PARAM1";
    private static final String EXTRA_PARAM2 = "com.yanlu.android.services.app.service.extra.PARAM2";

    /**
     * Starts this service to perform action Foo with the given parameters. If
     * the service is already performing a task this action will be queued.
     *
     * @see IntentService
     */
    public static void startActionFoo(Context context, String param1, String param2) {
        Intent intent = new Intent(context, MyIntentService.class);
        intent.setAction(ACTION_FOO);
        intent.putExtra(EXTRA_PARAM1, param1);
        intent.putExtra(EXTRA_PARAM2, param2);
        context.startService(intent);
    }

    /**
     * Starts this service to perform action Baz with the given parameters. If
     * the service is already performing a task this action will be queued.
     *
     * @see IntentService
     */
    public static void startActionBaz(Context context, String param1, String param2) {
        Intent intent = new Intent(context, MyIntentService.class);
        intent.setAction(ACTION_BAZ);
        intent.putExtra(EXTRA_PARAM1, param1);
        intent.putExtra(EXTRA_PARAM2, param2);
        context.startService(intent);
    }

    public MyIntentService() {
        super("MyIntentService");
        ThreadUtils.logThreadSignature();
    }

    @Override
    protected void onHandleIntent(Intent intent) {
        ThreadUtils.logThreadSignature();
        if (intent != null) {
            final String action = intent.getAction();
            if (ACTION_FOO.equals(action)) {
                final String param1 = intent.getStringExtra(EXTRA_PARAM1);
                final String param2 = intent.getStringExtra(EXTRA_PARAM2);
                handleActionFoo(param1, param2);
            } else if (ACTION_BAZ.equals(action)) {
                final String param1 = intent.getStringExtra(EXTRA_PARAM1);
                final String param2 = intent.getStringExtra(EXTRA_PARAM2);
                handleActionBaz(param1, param2);
            }
        }
    }

    /**
     * Handle action Foo in the provided background thread with the provided
     * parameters.
     */
    private void handleActionFoo(String param1, String param2) {

        displayNotificationMessage(param1 + " = " + param2);

    }

    /**
     * Handle action Baz in the provided background thread with the provided
     * parameters.
     */
    private void handleActionBaz(String param1, String param2) {
        // TODO: Handle action Baz
        throw new UnsupportedOperationException("Not yet implemented");
    }



    private void displayNotificationMessage(String message) {
        NotificationManager notificationMgr =(NotificationManager)getSystemService(NOTIFICATION_SERVICE);
        NotificationCompat.Builder builder = new NotificationCompat.Builder(this);
        PendingIntent contentIntent = PendingIntent.getActivity(this, 0,
                new Intent(this, MainActivity.class), 0);
        builder.setContentTitle("MyIntentService")
                .setContentText(message)
                .setSmallIcon(R.drawable.ic_launcher)
                .setWhen(System.currentTimeMillis())
                .setOngoing(true)
                .setTicker("MyIntentService")
                .setContentIntent(contentIntent);
        for(int i = 0; i < 20; i++) {
            builder.setProgress(20, i, false);
            notificationMgr.notify(1, builder.build());
            SystemClock.sleep(2000);
        }
        builder.setProgress(20, 20, false);
        Notification notification = builder.build();
        notificationMgr.notify(1, notification);
    }
}

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