Sample Code and Directory of libraries for Android Developers

How to create simple validation for text input with Java Android?
Some people how to send message using whatsapp using node.js. with this tool is posible to send message with whatsapp using node. Headless browser.
Here an example how to create pdf in view pager.
Here an example how to detect fake gps in Android. You can use this sample for build your project.
How to create material dialog Fragment?
Is a Library for pick an image from gallery
Here an example how to create button open and close keyboard in Android
Here an example listview in Flutter. This sample code include example how to load contact data in listview.
Here an example how to create alert dialog with flutter. We can use it as message dialog etc,
Example app showing implementation which loads up an information via making an HTTP GET call to a server and then displays the results in a list form. Here an example how to load json from server with http in Flutter
Here simple example how to create material app with flutter. We can learn from this example for build simple app with flutter.
How to create layout with video playing in background? here an libary youre looking for. With this library we can create layout with video background.
OfficeAbout is a simple about screen library for Android. With this library we can create about pages faster. Just add implement this library on your project and we can used it on our activities. Thanks for the developer @p32929, who build this useful library.
Here a library for creating progress bar layout. We can use it as animation progress for our project. This library writing with Kotlin. Its Simple and easy to add in our project. The Developer create some option for animation, we can use animation from left to right, or Right to Left. If you're looking for progress layout in Android, you can use it. Thank you for the Developer.
With this library we can create a seting on Android with custom slide. For android game we can add this function become a pages preferences Thanks for rezaiyan
Here an example how to create ProgressView with Animations in Android. You can add this libary on your project. Thanks for @skydoves,
Here a library for create contact picker in Android with Kotlin
Here an example how to create Pdf view in Android. This library called pdfview-android. You can try it the code on Github.Thank for developer :
CurrencyEditText is an library for format EditText into your Currency Format. With this library you can make currency easier on EditText. Thank you for developer :
Here is library how to create toast like bootstrap alerts in Android. Thank to dev :


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