To run the app from android studio, open one of your project's activity files and click Run icon from the toolbar. With property android:background we can add a blue outline when Spinner is in the selected state and with android:popupBackground the background of dropdown view - easy so far. I assume you have connected your actual Android Mobile device with your computer. Step 4 – Add the following code to androidManifest.xml Step 4 – Create a layout resource file and add the following code − Public class MainActivity extends AppCompatActivity ĪrrayAdapter arrayAdapter = new ArrayAdapter(this,ĪtDropDownViewResource(R.layout.spinner_list) ![]() Step 3 − Add the following code to src/MainActivity.java import 7.app.AppCompatActivity Step 2 − Add the following code to res/layout/activity_main.xml. Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. So textview text become the spinner items background text. This type of functionality can be possible when we have add extra textviewwithbackground.xml file into our project and set the textview into spinner. This example demonstrates how do I change the spinner textSize and textColor in android. Background color makes the spinner items look different then the whole layout background because they look more bright and colorful.
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