This example demonstrates about How do I change the color of Button in Android when clicked.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 to src/MainActivity.javaimport android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main);       final Button button = findViewById(R.id.button);     ... Read More

This example demonstrate about How to disable action bar permanently 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.java     Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; import android.os.Bundle ; import android.support.v7.app.AppCompatActivity ; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate (Bundle savedInstanceState) {       super .onCreate(savedInstanceState) ;       setContentView(R.layout. activity_main ) ;    } }Step 4 − Add the ... Read More

This example demonstrate about How to make a background 25% transparent on 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.java Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; import android.os.Bundle ; import android.support.v7.app.AppCompatActivity ; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate (Bundle savedInstanceState) {       super .onCreate(savedInstanceState) ;       setContentView(R.layout. activity_main ) ;    } }Step 4 − Add the following code ... Read More

This example demonstrate about How to use AutoCompleteTextView in Android App.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.java     Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; import android.os.Bundle ; import android.support.v7.app.AppCompatActivity ; import android.support.v7.widget.AppCompatAutoCompleteTextView ; import android.widget.ArrayAdapter ; public class MainActivity extends AppCompatActivity {    private String[] fruits = { "Apple" , "Banana" , "Cherry" , "Date" , "Grape" , "Kiwi" , "Mango" , "Pear" } ;   ... Read More

This example demonstrate about How to set margins in an Android LinearLayout programmatically.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.java Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; import android.os.Bundle ; import android.support.v7.app.AppCompatActivity ; import android.widget.Button ; import android.widget.LinearLayout ; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate (Bundle savedInstanceState) {       super .onCreate(savedInstanceState) ;       setContentView(R.layout. activity_main ) ;       ... Read More

This example demonstrate about How do I get the resource id of an image if I know its name in AndroidStep 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.java         Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; import android.os.Bundle ; import android.support.v7.app.AppCompatActivity ; import android.util.Log ; import android.widget.TextView ; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate (Bundle savedInstanceState) {       ... Read More

This example demonstrate about How to add manifest permission to an application 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.java Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; import android.os.Bundle ; import android.support.v7.app.AppCompatActivity ; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate (Bundle savedInstanceState) {       super .onCreate(savedInstanceState) ;       setContentView(R.layout. activity_main ) ;    } }Step 4 − Add the following ... Read More

This example demonstrate about How to make an Android device vibrate programmatically.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.java     Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; import android.content.Context ; import android.os.Build ; import android.os.Bundle ; import android.os.VibrationEffect ; import android.os.Vibrator ; import android.support.v7.app.AppCompatActivity ; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate (Bundle savedInstanceState) {       super .onCreate(savedInstanceState) ;     ... Read More

This example demonstrate about How can I define underlined text in an Android layout xml file.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.java     Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; import android.os.Bundle ; import android.support.v7.app.AppCompatActivity ; import android.text.SpannableString ; import android.text.style.UnderlineSpan ; import android.widget.TextView ; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate (Bundle savedInstanceState) {       super .onCreate(savedInstanceState) ;   ... Read More

This example demonstrate about How to align views at the bottom of the screen 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.java     Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; import android.os.Bundle ; import android.support.v7.app.AppCompatActivity ; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate (Bundle savedInstanceState) {       super .onCreate(savedInstanceState) ;       setContentView(R.layout. activity_main ) ;    } }Step 4 − Add the following code to androidManifest.xml                       ... Read More