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Articles on Trending Technologies
Technical articles with clear explanations and examples
How to send Email on Android using JavaMail API?
This example demonstrates how to send Email on Android using JavaMail API.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.view.View; import android.widget.Button; import android.widget.EditText; import java.util.Properties; import javax.mail.PasswordAuthentication; import javax.mail.Session; import android.os.Bundle; public class MainActivity extends AppCompatActivity implements View.OnClickListener { private EditText editTextEmail; private ...
Read MoreHow to disable copy/paste from/to EditText in Android App?
This example demonstrates how do I disable copy/paste from/to editText 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.view.ActionMode; import android.view.Menu; import android.view.MenuItem; import android.widget.EditText; public class MainActivity extends AppCompatActivity { EditText editText; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); editText = ...
Read MoreHow to find out if the GPS of an Android device is enabled or not?
This example demonstrates how do I find out if the GPS of an Android device is enabled or not.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.AlertDialog; import androidx.appcompat.app.AppCompatActivity; import android.content.DialogInterface; import android.content.Intent; import android.location.LocationManager; import android.os.Bundle; import android.widget.Toast; import java.util.Objects; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ...
Read MoreHow to quit application programmatically?
This example demonstrates how do I quit application programmatically 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.view.View; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } public void QuitApp(View view) { MainActivity.this.finish(); ...
Read MoreHow to display animated gif images in Android?
This example demonstrates how do I display animated gif images 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.Add the following dependency in build.gradle: Module: appimplementation 'com.github.bumptech.glide:glide:4.9.0'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.View; import android.widget.ImageView; import com.bumptech.glide.Glide; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } ...
Read MoreHow to create a multilevel ListView in an Android app?
This example demonstrates how do I create a multilevel listView 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.view.View; import android.widget.ExpandableListAdapter; import android.widget.ExpandableListView; import android.widget.Toast; import java.util.ArrayList; import java.util.HashMap; import java.util.List; public class MainActivity extends AppCompatActivity { ExpandableListView expandableListView; ExpandableListAdapter expandableListAdapter; ListexpandableListTitle; HashMap expandableListDetail; @Override protected void onCreate(Bundle savedInstanceState) { ...
Read MoreHow can I encode a URL in Android?
This example demonstrates how do I can encode a URL 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.graphics.Bitmap; import android.os.Bundle; import android.view.View; import android.webkit.WebView; import android.webkit.WebViewClient; import android.widget.Button; import android.widget.Toast; import java.io.UnsupportedEncodingException; import java.net.URLEncoder; public class MainActivity extends AppCompatActivity { Button button; private WebView webView; String strURL; private String query; public ...
Read MoreHow to use Android Picasso Library to download images?
This example demonstrates how do I use the Android Picasso library to download images.Step 1 − Create a new project in Android Studio, go to File ⇒New Project and fill all required details to create a new project.Add the following dependency to the build gradle (Module: app)implementation 'com.squareup.picasso:picasso:2.4.0'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.View; import android.widget.Button; import android.widget.ImageView; import com.squareup.picasso.Picasso; public class MainActivity extends AppCompatActivity { ImageView imageView; Button btnDownload; @Override protected void onCreate(Bundle savedInstanceState) ...
Read MoreHow does one use Glide to download an image into a bitmap?
This example demonstrates how do I does one Glide to download an image into a bitmap.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new projectAdd the following dependency in build.gradle: Module: appimplementation 'com.github.bumptech.glide:glide:4.9.0'Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javaimport androidx.annotation.NonNull; import androidx.annotation.Nullable; import androidx.appcompat.app.AppCompatActivity; import android.graphics.Bitmap; import android.graphics.drawable.Drawable; import android.os.Bundle; import android.widget.ImageView; import com.bumptech.glide.Glide; import com.bumptech.glide.request.target.CustomTarget; import com.bumptech.glide.request.transition.Transition; public class MainActivity extends AppCompatActivity { ImageView imageView; @Override ...
Read MoreHow to use Location API in Android to track your current location?
This example demonstrates how do I use Location API in android to track your current location.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project.Add the following dependency in the build.gradle (Module:app) −implementation 'com.google.android.gms:play-services-maps:17.0.0'Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javaimport androidx.fragment.app.FragmentActivity; import android.os.Bundle; import com.google.android.gms.maps.CameraUpdateFactory; import com.google.android.gms.maps.GoogleMap; import com.google.android.gms.maps.OnMapReadyCallback; import com.google.android.gms.maps.SupportMapFragment; import com.google.android.gms.maps.model.LatLng; import com.google.android.gms.maps.model.MarkerOptions; public class MapsActivity extends FragmentActivity implements OnMapReadyCallback { GoogleMap mMap; @Override protected void onCreate(Bundle savedInstanceState) ...
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