Then edit the MainActivity.java file and the activity_main.xml file content as below. You can read How To Create New Android Studio Project to learn more. Create a new android project and select the Empty Activity template. guy's there is a problem with android studio.I make a splash screen in Manifest then I run the app in emulator the app name is e the screnshot. When you click the second button, it will change the background color of the TextView. You need to change middle or last part one by one. Now, it will show the package in different parts. When you click the first button, it will change the text color in the TextView. First, click on the gear icon on left project panel of Android Studio and unselect the Compact Middle Packages selection. There are one TextView and two Buttons on the above screen. Change TextView Foreground Background Color Programmatically Example. Similarly, you can also use the same approach to rename the middle part of the package.1. Click on Rename package and rename it as showing below : Click on Refactor and. Right click on it, click Refactor -> Rename. Here, I renamed the last part of the package. First, click on the gear icon on left project panel of Android Studio and unselect the Compact Middle Packages selection. If you want to revert the change, just use Ctrl + Z or Cmd + Z. Right click on it, click Refactor -> RenameĬlick on Rename package and rename it as showing below :Ĭlick on Refactor and click on Do Refactor button shown below. 
Add below codes in your Activity to set the text color to the Toolbar title. This method sets the toolbar as the app bar for the activity.
In the activity’s onCreate () method, call the activity’s setSupportActionBar () method, and pass the activity’s toolbar. Now, it will show the package in different parts. Step 3: Working with the MainActivity file.First, click on the gear icon on left project panel of Android Studio and unselect the Compact Middle Packages selection.But Android Studio provides an easy way to do that. Changing the package name:Ĭhanging the package name is bit difficult than changing the name because it is used in multiple places of the App.
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