How to change a textView Style at runtime in android?

This example demonstrates how do I change a textView style in runtime in android.

Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.

Step 2 − Add the following code to res/layout/activity_main.xml.

Step 3 – Add the following code in res/values/styles.xml

Step 4 – Add the following code in res/values/strings.xml

   Sample
   #000088
   #000044
Step 5 − Add the following code to src/MainActivity.java
import android.os.Build;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;
public class MainActivity extends AppCompatActivity {
   TextView textView;
   @Override
   protected void onCreate(Bundle savedInstanceState) {
      super.onCreate(savedInstanceState);
      setContentView(R.layout.activity_main);
      textView = findViewById(R.id.textView);
      textView.setOnClickListener(new View.OnClickListener() {
         @Override
         public void onClick(View v) {
            if (Build.VERSION.SDK_INT 
Step 6 – Add the following code to androidManifest.xml


   
      
         
            
            
         
      
   
Let's try to run your application. I assume you have connected your actual Android Mobile device with your computer. To run the app from android studio, open one of your project's activity files and click Run  icon from the toolbar. Select your mobile device as an option and then check your mobile device which will display your default screen –

Click here to download the project code.