This example demonstrate about How to use context in a fragmentStep 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 two fragments.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Bundle; import android.support.v4.app.FragmentActivity; public class MainActivity extends FragmentActivity {    @Override    public void onCreate(Bundle savedInstanceState) {       ... Read More

This example demonstrate about How to use LocalBroadcastManagerStep 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 broadcast values.Step 3 − Add the following code to src/MainActivity.java import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.content.pm.PackageManager; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v4.content.LocalBroadcastManager; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.TextView; public class MainActivity extends AppCompatActivity {    TextView actionEvent;   ... Read More

This example demonstrate about How to use handler 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 button.Step 3 − Add the following code to src/MainActivity.java import android.os.Bundle; import android.os.Handler; import android.support.v4.app.FragmentActivity; import android.util.DisplayMetrics; import android.widget.Button; import java.util.Random; import java.util.Timer; import java.util.TimerTask; public class MainActivity extends FragmentActivity {    Handler handler;    @Override    public void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState); ... Read More

This example demonstrate about How to use GridLayoutManager in RecyclerViewStep 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 recycerview.Step 3 − Add the following code to src/MainActivity.java import android.annotation.TargetApi; import android.os.Build; import android.os.Bundle; import android.support.v4.content.ContextCompat; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.DefaultItemAnimator; import android.support.v7.widget.DividerItemDecoration; import android.support.v7.widget.GridLayoutManager; import android.support.v7.widget.LinearLayoutManager; import android.support.v7.widget.RecyclerView; import android.support.v7.widget.Toolbar; import android.widget.TextView; import android.widget.Toast; import java.util.ArrayList; public ... Read More

This example demonstrate How to use firebase messaging in android applicationStep 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 src/MainActivity.java import android.os.Bundle; import android.support.v4.app.FragmentActivity; public class MainActivity extends FragmentActivity {    @Override    public void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main);    } }Step 3 − Add the following code to src/ MyFirebaseMessagingService.java import android.app.Notification; import android.app.NotificationChannel; import android.app.NotificationManager; import android.content.Context; import android.graphics.Color; import android.os.Build; import android.support.v4.app.NotificationCompat; import android.support.v4.content.ContextCompat; import android.util.Log; ... Read More

This example demonstrate about How to use findViewById in FragmentStep 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 two fragments.Step 3 − Add the following code to src/MainActivity.java import android.os.Bundle; import android.support.v4.app.FragmentActivity; public class MainActivity extends FragmentActivity {    @Override    public void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);   ... Read More

This example demonstrate about How to use Constraint Layout with recyclerviewStep 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 app bar layout and recycler view.Step 3 − Add the following code to src/MainActivity.java import android.annotation.TargetApi; import android.app.Activity; import android.content.Intent; import android.content.SharedPreferences; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.support.v4.content.pm.ShortcutInfoCompat; import android.support.v4.content.pm.ShortcutManagerCompat; import android.support.v4.graphics.drawable.IconCompat; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.DefaultItemAnimator; ... Read More

This example demonstrates about How to use cardview in recyclerviewStep 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 app bar layout and recycler view.Step 3 − Add the following code to src/MainActivity.java import android.annotation.TargetApi; import android.app.Activity; import android.content.Intent; import android.content.SharedPreferences; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.support.v4.content.pm.ShortcutInfoCompat; import android.support.v4.content.pm.ShortcutManagerCompat; import android.support.v4.graphics.drawable.IconCompat; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.DefaultItemAnimator; import ... Read More

This example demonstrate about How to use appbar layout 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 app bar layout and recycler view.Step 3 − Add the following code to src/MainActivity.java import android.annotation.TargetApi; import android.app.Activity; import android.content.Intent; import android.content.SharedPreferences; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.support.v4.content.pm.ShortcutInfoCompat; import android.support.v4.content.pm.ShortcutManagerCompat; import android.support.v4.graphics.drawable.IconCompat; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.DefaultItemAnimator; ... Read More

This example demonstrate about How to Use Android loaderStep 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 listview to show contact names.Step 3 − Add the following code to src/MainActivity.java import android.Manifest; import android.content.CursorLoader; import android.content.Loader; import android.content.pm.PackageManager; import android.database.Cursor; import android.os.Bundle; import android.provider.ContactsContract; import android.support.v4.app.ActivityCompat; import android.support.v4.app.FragmentActivity; import android.support.v4.content.ContextCompat; import android.support.v4.widget.SimpleCursorAdapter; import android.widget.ListView; public class MainActivity extends FragmentActivity implements android.app.LoaderManager.LoaderCallbacks {    private ... Read More