Humberto Bonasso

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Android Tip - Detecting if your App is in the Foreground

Very often, your application will continue to work in the background. When an event occurred (such as entering an iBeacon region), you might need to …

Android Tip - Saving Instance State

One of the characteristics of an activity that it is automatically destroyed and recreated whenever there is a change in device orientation. As such, …

Android Application Development Cookbook: 93 Recipes for Building Winning Apps

<b>A must-have collection of ready-to-use Android recipes!</b><p>The popularity of Google Android devices is seemingly unstoppable and the Android 4 release …

Android Tip: Programmatically Displaying the Settings Page

Many a times, you need to programmatically redirect the user to the Settings page so that they can turn on certain features on the device before your …

Android Tip - Waking up screen and unlocking the device

In Android, there are times where you need to programmatically unlock the device and wake up the screen. For example, you might have a broadcast …

Consuming JSON services in Android apps

Unless you are writing a Hello World Android application, chances are your application would need to connect to the outside world to fetch some data, …

Android Tip - Displaying a PDF Document inside a WebView

One of the most requested features in Android is the ability to display a PDF document within a WebView. However, the WebView does not contain a PDF …

Android Tip - Monitor a Location

Your application wants to monitor a particular location and when the device is near that location, you want to perform some actions. This is very …

Android Tip - Updating Your UI Safely on a Separate Thread

Very often, in your Android applications, you have several threads running in the background. And sometimes you need to update your UI (or perhaps …

Android Tip: Signing your App

Once you have developed your Android app, the next step would be to export your application as an Android Package (APK). When you run your …

Developing with Google Maps v2 for Android

In one of my previous articles, I talked about embedding Google Maps in Android applications. Much has changed as Google went about revamping a lot …

Android Tip: Handling Events in a Fragment

In an activity, handling the <b>Click</b> event of a <b>Button</b> is very easy using the <b>android:onClick</b> attribute and assigning it a method name as the event …

Developer Learning Solutions

Android Tip:<p>If you have several broadcast receivers and you want to send broadcast to them in an ordered fashion (such that some will get fired …