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Articles on Trending Technologies
Technical articles with clear explanations and examples
How to work with Glide in Android
This example demonstrates how to work with GlideStep 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.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.ImageView; import com.bumptech.glide.Glide; import com.bumptech.glide.request.RequestOptions; public class MainActivity extends AppCompatActivity implements View.OnClickListener { ImageView imageView; Button btnDrawableImage, btnUrlImage, btnErrorImage, btnPlaceholderImage, btnResizeImage, btnRotateImage; @Override protected void onCreate(Bundle savedInstanceState) { ...
Read MoreHow to add table rows Dynamically in Android Layout?
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 MoreHow to set an alert in Android to fire at given date and time?
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 MoreAndroid GPS, Location Manager tutorial
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 MoreHow do add dependency in Android studio
This example demonstrates about How to add dependency in Android studioStep 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 ...
Read MoreHow to create Android Device Network Listener based on on/off network?
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
Read MoreHow can I get onclick event on webview in Android?
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 MoreHow to play videos in Android from assets folder or raw folder?
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 MoreHow to implement custom FieldNamingStrategy using Gson in Java?
The FieldNamingStrategy is a mechanism for providing custom field naming in Gson. This allows the client code to translate field names into a particular convention that is not supported as a normal Java field declaration rules. The translateName() method will prefix every field name with the string “pre_”.In the below example, we can implement the Custom FieldNamingStrategy.Exampleimport java.lang.reflect.Field; import com.google.gson.*; public class GsonFieldNamingStrategyTest { public static void main(String[] args) { Employee emp = new Employee(); emp.setEmpId(115); emp.setFirstName("Adithya"); ...
Read MoreHow to get the JsonFactory settings using Jackson in Java?
The JsonFactory class is a thread-safe and responsible for creating instances of writer and reader. The list of settings that can be turned on/off is present in an enumeration JsonFactory.Feature, it contains static method values() that return the enum constant of this type with the specified name.Syntaxpublic static enum JsonFactory.Feature extends EnumExampleimport com.fasterxml.jackson.core.JsonFactory; public class JsonFactorySettingsTest { public static void main(String[] args) { JsonFactory jsonFactory = new JsonFactory(); for(JsonFactory.Feature feature : JsonFactory.Feature.values()) { boolean result = ...
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