This example demonstrates how do I bring an activity to the foreground (top of stack) 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.Intent; import android.os.Bundle; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main);       Intent i = new Intent(this, MyActivity.class);       i.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT); ... Read More

This example demonstrates how do I use barcode scanning 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 dependency in Gradleimplementation 'com.google.zxing:core:3.2.1' implementation 'com.journeyapps:zxing-android-embedded:3.2.0@aar'Step 4 − Add the following code to src/MainActivity.javaimport androidx.appcompat.app.AppCompatActivity; import android.content.Intent; import android.os.Bundle; import android.util.Log; import android.view.View; import android.widget.Button; import android.widget.TextView; import android.widget.Toast; import com.google.zxing.integration.android.IntentIntegrator; import com.google.zxing.integration.android.IntentResult; public class MainActivity extends AppCompatActivity {    Button btnBarcode;    TextView textView; ... Read More

This example demonstrates how do I determine if network type (2G, 3G, 4G) 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.Context; import android.os.Bundle; import android.telephony.TelephonyManager; import android.widget.Toast; import java.util.Objects; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main);       getNetworkClass(getApplicationContext());    }    public ... Read More

This example demonstrates how do I use FontAwesome in the native android applications.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 download asset folder. Copy-paste the fontAwesome.ttf In the asset folder.Step 4 − Add the following code to src/MainActivity.javapackage app.com.sample; import androidx.appcompat.app.AppCompatActivity; import android.graphics.Typeface; import android.os.Bundle; import android.widget.TextView; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);   ... Read More

This example demonstrates how do I set the absolute position of a view 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.widget.ImageView; import android.widget.RelativeLayout; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main);       RelativeLayout rl = findViewById(R.id.relativeLayout);       ImageView iv = ... Read More

This example demonstrates how do I SpeechRecognizer API 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 android.content.Intent; import android.os.Bundle; import android.speech.RecognizerIntent; import android.widget.TextView; import java.util.List; public class MainActivity extends AppCompatActivity {    private final int REQUEST_SPEECH_RECOGNIZER = 3000;    private TextView textView;    private final String mQuestion = "Which company is the largest online retailer on the planet?"; ... Read More

This example demonstrates how do I get the user’s current location on android in the simplest way.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 dependency in Gradleimplementation 'com.google.android.gms:play-services-location:17.0.0'Step 4 − Add the following code to src/MainActivity.javaimport androidx.annotation.NonNull; import androidx.appcompat.app.AppCompatActivity; import androidx.core.app.ActivityCompat; import androidx.core.content.ContextCompat; import android.Manifest; import android.content.Intent; import android.content.pm.PackageManager; import android.location.Geocoder; import android.location.Location; import android.os.Bundle; import android.os.Handler; import android.os.ResultReceiver; import android.util.Log; import android.widget.TextView; import android.widget.Toast; ... Read More

This example demonstrates how to make an application ignore screen orientation change 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 com.app.sample; import androidx.appcompat.app.AppCompatActivity; import android.content.pm.ActivityInfo; import android.os.Bundle; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main);       setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_PORTRAIT);    } }Step 4 − Add the following code ... Read More

This example demonstrates how to create directory programmatically 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. Step 3 − Add the following code to src/MainActivity.javapackage com.app.sample; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import java.io.File; import android.os.Bundle; import android.os.Environment; import android.app.Activity; import android.view.Menu; import android.widget.Toast; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       setContentView(R.layout.activity_main);       File file = new ... Read More

This example demonstrates how to add table rows Dynamically in Android Layout.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 com.app.sample; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import android.app.ProgressDialog; import android.graphics.Color; import android.os.AsyncTask; import android.os.Bundle; import android.util.TypedValue; import android.view.Gravity; import android.view.View; import android.widget.FrameLayout; import android.widget.LinearLayout; import android.widget.TableLayout; import android.widget.TableRow; import android.widget.TextView; import java.math.BigDecimal; import java.text.DecimalFormat; import java.text.SimpleDateFormat; public class MainActivity extends AppCompatActivity { ... Read More