In this example, the app/res/drawable/my_layer_list.xml file contains a layer list definition.

And the file name is just the drawable resource id. To define a LayerDrawable object, you need to add an XML file under the app/res/drawable folder.Now let’s make the back arrow icon clickable so that when you tap on the icon, you will exit the app like this:.Run the app, and you will be able to see the toolbar with app name and the back arrow icon.Īndroid Toolbar Back Button ( Large preview).tNavigationIcon(R.drawable.ic_arrow_back_white_24dp) Toolbar mToolbar = (Toolbar) findViewById(R.id.toolbar) Open ( MainActivity.java) file and let’s define the toolbar, set the app name to be shown in the toolbar as well as the back arrow icon like this:.Change the color of the back arrow icon from black to white by adding white color code inside ( android:fillColor) like this:.When you open ( ic_arrow_back_white_24dp.xml) file you will see the following code:.Click on icon where the red arrow is pointing and choose the back arrow icon from the icons list and then click on finish.Click on res and then right click on drawable => New => Vector Asset.Īndroid studio asset studio ( Large preview)

Now let’s add the back arrow icon inside android toolbar by using Android asset studio.Open (styles.xml) file and change the parent theme from ( ) to ( ) like Next let’s add android toolbar, open ( activity_main.xml) file and make the following code changes.Open up Android Studio and create a new project and give it a name, in our case we’ve named it ( ToolbarButtonTutorial), choose API 16 as the minimum SDK, then choose a blank activity and click on finish and wait for Android Studio to build your project.In this tutorial we will be using the following: You can use the android toolbar back button to navigate from one screen to another without having to tap on the actual device back button. Hi and welcome to another tutorial from codingdemos, today you will learn how to create android toolbar back button for your app.

Android studio themes add drawable