Using a Navigation Drawer with a Toolbar in Android using a Material Design you can implement a navigation drawer with either an action bar or a toolbar. It’s also possible to implement a navigation drawer without using either of them. We are going to implement an Android navigation drawer by following the Android material design guidelines. A material design and toolbar were added in the Android 21 API (Android 5.0 lollypop).

Navigation Drawer is one of the most important UI component for providing proper Navigation. In this tutorial we are going to implement Material Design Sliding navigation Drawer using NavigationView widget from the latest Design Support library.

Adding Welcome / Intro slider screens in your app is a great way of showcasing the major features of the app. In this article we are going to learn how to add an intro slider to your app where user can swipe through few slides before getting into app.

Android SeekBar is a kind of ProgressBar with draggable thumb. The end user can drag the thum left and right to move the progress of song, file download etc.
The SeekBar.OnSeekBarChangeListener interface provides methods to perform even handling for seek bar. Android SeekBar and RatingBar classes are the sub classes of AbsSeekBar.

Material design is a comprehensive guide for visual, motion, and interaction design across platforms and devices.In this tutorial we will explain how to work with Android Toast with example. The example below demonstrates the usages of simple and customized toast in Android.
1. Toast is a solution for android developer when required to notify user about an operation without expecting any user input.
2.This provides a small popup that displays for a small period and fades out automatically after timeout. Sometimes developers use this for debugging.

In the previous Android 3 rating bar example here, we created a simple rating bar and accepted user rating and displayed the rating as a Toast message. In this Android RatingBar tutorial, we will create a rating bar with indicator using android.widget.RatingBar defined in XML layout file and implement OnRatingBarChangeListener to accept user rating, calculate the total ratings and display it in indicator rating bar.

Volley is an android library released by Google that can make your life easier when dealing with network operations. In this blog post I will mention the main features of the library and show a few example usages, in particular, how to make a request, how to download images, and how to use the cache.

Android application project in Eclipse or an already created signed ‘.apk’ file of the project that you want to upload on Google Play Store.
Internet connection. Credit/Debit card to pay for Google Developer license. Screenshots and/or videos of your application on your computer (At least two Screenshots are compulsory) If you have an Android application Project in Eclipse then follow the steps given below to generate signed apt. If you already have signed ‘.apk’ file, you may directly start from Step 10........

Android gives access to applications to view the state of the wireless connections at very low level. Android Application can access almost all the information of a Wi-Fi connection. The information that an application can access includes connected network's Hostname, link speed, IP address, negotiation state, other networks information and Channel.

Update application when a new version is available. The Android Market(Google Play) determine the version of the application based on the versionCode. The update of an existing application is checked by the versionCode. The versionCode should be start with “1” and increase this value by one, if you roll-out a new version of your application. When ever a change in the versionCode the Play Store will notify the user about the update.