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Mobile Development Articles
Page 45 of 156
How can I send emails using gmail from my Android application?
This example demonstrates how do I send emails using gmail from my Android application.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 android.content.Intent; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import android.widget.EditText; public class MainActivity extends AppCompatActivity{ EditText editTextMail, editTextSubject, ...
Read MoreHow to turn on Flash light programmatically in android?
This example demonstrates how do I turn on Flash light programatically 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 android.content.Context; import android.content.DialogInterface; import android.content.pm.PackageManager; import android.hardware.camera2.CameraAccessException; import android.hardware.camera2.CameraManager; import android.os.Bundle; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.widget.CompoundButton; import android.widget.ToggleButton; public class MainActivity extends AppCompatActivity { private CameraManager mCameraManager; private String mCameraId; private ToggleButton toggleButton; ...
Read MoreHow to play ringtone/alarm/notification sound in Android?
This example demonstrate about How to play ringtone/alarm/notification sound 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.tutorialspoint.com.notifyme; import android.app.NotificationManager; import android.content.Context; import android.media.MediaPlayer; import android.media.RingtoneManager; import android.net.Uri; import android.support.v4.app.NotificationCompat; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import java.util.Objects; public class MainActivity extends AppCompatActivity { private final static String default_notification_channel_id = "default"; @Override protected void onCreate (Bundle ...
Read MoreHow do I add Vibrate and sound for Notification in Android?
This example demonstrate about How do I add Vibrate and sound for Notification 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 app.tutorialspoint.com.notifyme; import android.app.NotificationManager; import android.content.Context; import android.media.RingtoneManager; import android.net.Uri; import android.support.v4.app.NotificationCompat; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import java.util.Objects; public class MainActivity extends AppCompatActivity { private final static String default_notification_channel_id = "default" ; @Override protected ...
Read MoreHow to set android notification icon?
This example demonstrate about How to set android notification iconStep 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.tutorialspoint.com.notifyme; import android.app.NotificationManager; import android.content.Context; import android.support.v4.app.NotificationCompat; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.View; import android.widget.Button; import java.util.Objects; public class MainActivity extends AppCompatActivity { private final static String default_notification_channel_id = "default"; @Override protected void onCreate (Bundle savedInstanceState) { super .onCreate(savedInstanceState); ...
Read MoreHow to convert an image to Base 64 string on Android?
This example demonstrates how do I convert an image to Base 64 string on 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 – Copy paste an image in the res/drawable. Example: res/drawable/logo.pngStep 4 − Add the following code to src/MainActivity.javaimport android.annotation.SuppressLint; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.util.Base64; import android.widget.TextView; import java.io.ByteArrayOutputStream; public class MainActivity extends AppCompatActivity { TextView textView; String string; Bitmap ...
Read MoreHow to set the color of a textView span in android?
This example demonstrates how do I set the color of a textView span 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 android.graphics.Color; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.text.SpannableString; import android.text.Spanned; import android.text.style.ForegroundColorSpan; import android.widget.TextView; public class MainActivity extends AppCompatActivity { TextView textView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ...
Read MoreHow to create CollectionView Layout in an iOS App?
CollectionView with TableView are two of many fundamental concept of iOS development, every developer should master both to be a good developer.In this post we will be focussing mainly on CollectionView, CollectionView is same as table view with some difference, Collection View supports both horizontal and vertical scrolling which looks like a grid. CollectionView in iOS is also referred to grid view in Android.To read more about it you can refer https://developer.apple.com/documentation/uikit/uicollectionviewAs you can see Collection View consists of Supplementary View and Cell, The collection view presents items onscreen using a cell, which is an instance of the UICollectionViewCell class ...
Read MoreHow to parse HTML in android?
This example demonstrates how do I parse HTML 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 given dependency in the build.gradle (Module: app)implementation 'org.jsoup:jsoup:1.11.2'Step 4 − Add the following code to src/MainActivity.javaimport android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.Button; import android.widget.TextView; import org.jsoup.Jsoup; import org.jsoup.nodes.Document; import org.jsoup.nodes.Element; import org.jsoup.select.Elements; import java.io.IOException; public class MainActivity extends AppCompatActivity { Button button; TextView textView; ...
Read MoreHow can I remove a button or make it invisible in Android?
This example demonstrates how remove a button or make it invisible 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.example.sample; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.app.Activity; import android.view.View; import android.view.View.OnClickListener; import android.widget.Button; public class MainActivity extends AppCompatActivity { OnClickListener listener1=null; OnClickListener listener2=null; Button button1; Button button2; @Override protected void onCreate(Bundle ...
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