This example demonstrate about How to handle right to left swipe gesturesStep 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.     In the above code, we have taken button view to handle swapsStep 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.content.ActivityNotFoundException; import android.content.Intent; import android.content.pm.ResolveInfo; import android.content.res.Configuration; import android.graphics.PixelFormat; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.view.Gravity; import android.view.LayoutInflater; import android.view.MotionEvent; import android.view.View; import android.view.WindowManager; import ... Read More

This example demonstrate about How to handle orientation change 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.xml.     In the above code, we have taken text view to show orientation changes.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.content.res.Configuration; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.widget.TextView; public class MainActivity extends AppCompatActivity {    TextView actionEvent;    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)    @Override    protected void onCreate(Bundle ... Read More

This example demonstrate about How to get phone number from content provider 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.xml.     In the above code, we have taken list view.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.annotation.TargetApi; import android.content.ContentResolver; import android.content.pm.PackageManager; import android.database.Cursor; import android.os.Build; import android.os.Bundle; import android.provider.ContactsContract; import android.support.v4.app.ActivityCompat; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.Toast; import java.util.ArrayList; public ... Read More

This example demonstrates How to dynamically update a ListView on 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.xml.     In the above code, we have taken listview.Step 3 − Add the following code to src/MainActivity.javaHow to dynamically update a ListView on AndroidLet'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 ... Read More

This example demonstrate about How to dynamically remove items from ListView on a clickStep 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.     In the above code, we have taken listview.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.TextView; public class MainActivity extends Activity {    TextView textView;    ArrayAdapter adapter = null;    String[] arry;   ... Read More

This example demonstrates How to display a button in random screen positionStep 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.     In the above code, we have taken a button to move random position.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Bundle; import android.support.v4.app.FragmentActivity; import android.util.DisplayMetrics; import android.widget.Button; import android.widget.LinearLayout; import java.util.Random; import java.util.Timer; import java.util.TimerTask; public class MainActivity extends FragmentActivity {    @Override    public void onCreate(Bundle savedInstanceState) ... Read More

This example demonstrate about how to dismiss the dialog with click on outside of the dialogStep 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.     In the above code, we have taken text view.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.annotation.TargetApi; import android.content.DialogInterface; import android.os.Build; import android.os.Bundle; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends AppCompatActivity {    TextView text;    @TargetApi(Build.VERSION_CODES.LOLLIPOP) ... Read More

This example demonstrate about How to detect when an Android app goes to the background and come back to the foregroundStep 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. ss     In the above code, we have taken text view to show an application status.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.app.ActivityManager; import android.content.ComponentName; import android.content.Context; import android.os.Bundle; import android.support.v4.app.FragmentActivity; import android.widget.TextView; import java.util.List; public class MainActivity extends FragmentActivity ... Read More

This example demonstrates How to declare global variables 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.     In the above code, we have taken text view to show global variable.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.TextView; public class MainActivity extends AppCompatActivity {    TextView actionEvent;    @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP)    @Override    protected void onCreate(Bundle ... Read More

This example demonstrate about How to create our own Listener interface 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.xml.     In the above code, we have taken text view to show listener data.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Bundle; import android.support.v4.app.FragmentActivity; import android.view.View; import android.widget.TextView; public class MainActivity extends FragmentActivity implements sampleInterFace {    sampleInterFace interFace;    TextView textView;    @Override    public void onCreate(Bundle savedInstanceState) ... Read More