If your app contains privacy sensitive data, such as a banking app, a password manager, an app for ‘buying surprise gifts for your loved one’ or an app for looking up the spelling of words like ‘colleague’ - then you might want to add extra protection.

Several attributes are relevant when turning an EditText into a ‘textarea’:

If your app contains privacy sensitive data, such as a banking app, a password manager, an app for ‘buying surprise gifts for your loved one’ or an app for looking up the spelling of words like ‘colleague’ - then you might want to add extra protection.

Rule: never ever implement a splash screen using a separate activity. Splash screens should be used to show something while the app loads, and is not a way to delay app launch just to show a logo.

To add a custom typeface to your app, the preferred way is to use Downloadable Fonts. To support legacy devices, use Pixplicity Letterpress.

A simple wrap of an AlertDialog into a Fragment.

Various ways of using weblinks in a TextView.

Note that this doesn’t just check if the TextView has ellipsizing enabled, it actually checks if the size of the TextView is too short for the full text to appear.

On shared views, set android:transitionName="@string/transition_detail" in both first and second activity. Then launch the second activity like this:

These are the three steps to show the Material Design circular animation when launching an Activity. Make sure to only use this animation when it makes sense - it is meant to make it clear to the user that a button results in the screen being opened.

Various snippets for creating overflow menus, popup menus, and how to style them.

Important: make mMediaPlayer a field, because otherwise the garbage collector will clean up the mediaplayer while the sound is still playing, causing it to be cut off!

This recipe shows how to create a video player using ExoPlayer. ExoPlayer is the de-facto video player for Android, and is capable of playing pretty much anything. You can use it to play on or offline files, or streaming formats.

This recipe shows how to create a video player using ExoPlayer.

This recipe shows how to show a looping Gif using Coil. In this example we load the image from the /res/raw folder.