This example demonstrates how to access Android GPS, Location ManagerStep 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.javapackage app.com.sample; import androidx.annotation.NonNull; import androidx.appcompat.app.AppCompatActivity; import androidx.core.app.ActivityCompat; import android.Manifest; import android.annotation.SuppressLint; import android.app.Activity; import android.content.Intent; import android.content.IntentSender; import android.content.pm.PackageManager; import android.location.Location; import android.net.Uri; import android.os.Bundle; import android.os.Looper; import android.provider.Settings; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.TextView; import android.widget.Toast; import com.google.android.gms.common.api.ApiException; ... Read More

This example demonstrates how to do I an alert in Android to fire at a given date and time 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 to src/MainActivity.javapackage app.com.sample; import androidx.appcompat.app.AppCompatActivity; import androidx.fragment.app.DialogFragment; import android.app.AlarmManager; import android.app.PendingIntent; import android.app.TimePickerDialog; import android.content.Context; import android.content.Intent; import android.os.Bundle; import android.widget.TimePicker; import java.text.DateFormat; import java.util.Calendar; import java.util.Objects; public class MainActivity extends AppCompatActivity implements TimePickerDialog.OnTimeSetListener{    String timeText;   ... Read More

This example demonstrates how do I play videos in Android from the assets folder or raw folder 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 − Create a new android resource folder(raw) and copy-paste your video file in that folder.Step 4 − Add the following code to src/MainActivity.javaimport androidx.appcompat.app.AppCompatActivity; import android.net.Uri; import android.os.Bundle; import android.widget.MediaController; import android.widget.VideoView; public class MainActivity extends AppCompatActivity {    @Override    protected void ... Read More

This example demonstrates how do I get onClick event on webView 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 to src/MainActivity.javaimport androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.view.MotionEvent; import android.view.View; import android.webkit.WebView; import android.webkit.WebViewClient; import android.widget.Toast; public class MainActivity extends AppCompatActivity implements View.OnTouchListener, Handler.Callback {    private static final int CLICK_ON_WEBVIEW = 1;    private static final int CLICK_ON_URL = 2;   ... Read More

This example demonstrates how do I create Android Device Network Listener based on on/off network.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

This example demonstrates how do I listen volume buttons in android background service.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 androidx.appcompat.app.AppCompatActivity; import android.content.Context; import android.database.ContentObserver; import android.media.AudioManager; import android.os.Bundle; import android.os.Handler; import android.widget.Toast; import java.util.Objects; public class MainActivity extends AppCompatActivity {    SettingsContentObserver settingsContentObserver;    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main);       ... Read More

This example demonstrates how do I get battery level and state (plugged in, discharging, charging, etc) 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 to src/MainActivity.javaimport androidx.appcompat.app.AppCompatActivity; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.os.BatteryManager; import android.os.Bundle; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends AppCompatActivity {    TextView textView;    Context context;    @Override    protected void onCreate(Bundle savedInstanceState) {   ... Read More

This example demonstrates how do I Zoom In and Zoom Out an android ImageView.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 androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.view.MotionEvent; import android.view.ScaleGestureDetector; import android.widget.ImageView; public class MainActivity extends AppCompatActivity {    private ScaleGestureDetector scaleGestureDetector;    private float mScaleFactor = 1.0f;    private ImageView imageView;      @Override    protected void onCreate(Bundle savedInstanceState) {       ... Read More

This example demonstrates how do I disable back button in android while logging out the application.Step 1 − Create a new project in Android Studio, go to File rArr; 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 androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.widget.Toast; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main);    }    @Override    public void onBackPressed() {       ... Read More

This example demonstrates how do I disable Mobile data in Android.For your find Information, unless you have a rooted phone I don't think you can enable and disable data programmatically because in order to do so we have to include MODIFY_PHONE_STATE permission which is only given to system or signature apps.setMobileDataEnabled() method is no longer callable via reflection. It was callable since Android 2.1 (API 7) to Android 4.4 (API 19) via reflection, but as of Android 5.0 and later, even with the rooted phones, the setMobileDataEnabled() method is not callable.Step 1 − Create a new project in Android Studio, ... Read More