Android example source code file (NotificationDisplay.java)

This example Android source code file (NotificationDisplay.java) is included in the DevDaily.com "Java Source Code Warehouse" project. The intent of this project is to help you "Learn Android by Example" ^TM.

Java - Android tags/keywords

activity, android, app, application, imagebutton, intent, notificationdisplay, notificationmanager, override, relativelayout, ui, view, widget

The NotificationDisplay.java Android example source code

/*
 * Copyright (C) 2007 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.example.android.apis.app;

// Need the following import to get access to the app resources, since this
// class is in a sub-package.
import com.example.android.apis.R;

import android.app.Activity;
import android.app.NotificationManager;
import android.content.Intent;
import android.os.Bundle;
import android.view.Gravity;
import android.view.View;
import android.view.WindowManager;
import android.widget.ImageButton;
import android.widget.LinearLayout;
import android.widget.RelativeLayout;


/**
 * Activity used by StatusBarNotification to show the notification to the user.
 */
public class NotificationDisplay extends Activity implements View.OnClickListener {
    /**
     * Initialization of the Activity after it is first created.  Must at least
     * call {@link android.app.Activity#setContentView setContentView()} to
     * describe what is to be displayed in the screen.
     */
    @Override
    protected void onCreate(Bundle icicle) {
        // Be sure to call the super class.
        super.onCreate(icicle);

        // Have the system blur any windows behind this one.
        getWindow().setFlags(WindowManager.LayoutParams.FLAG_BLUR_BEHIND,
                WindowManager.LayoutParams.FLAG_BLUR_BEHIND);
        
        RelativeLayout container = new RelativeLayout(this);
        
        ImageButton button = new ImageButton(this);
        button.setImageResource(getIntent().getIntExtra("moodimg", 0));
        button.setOnClickListener(this);
        
        RelativeLayout.LayoutParams lp = new RelativeLayout.LayoutParams(
                RelativeLayout.LayoutParams.WRAP_CONTENT,
                RelativeLayout.LayoutParams.WRAP_CONTENT);
        lp.addRule(RelativeLayout.CENTER_IN_PARENT);
        
        container.addView(button, lp);
        
        setContentView(container);
    }

    public void onClick(View v) {
        // The user has confirmed this notification, so remove it.
        ((NotificationManager) getSystemService(NOTIFICATION_SERVICE))
                .cancel(R.layout.status_bar_notifications);
        
        // Pressing on the button brings the user back to our mood ring,
        // as part of the api demos app.  Note the use of NEW_TASK here,
        // since the notification display activity is run as a separate task.
        Intent intent = new Intent(this, StatusBarNotifications.class);
        intent.setAction(Intent.ACTION_MAIN);
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        startActivity(intent);
        
        // We're done.
        finish();
    }
}