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Found 1631 Articles for Android
1K+ Views
This example demonstrate about How to get phone number from content provider 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. In the above code, we have taken list view.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.annotation.TargetApi; import android.content.ContentResolver; import android.content.pm.PackageManager; import android.database.Cursor; import android.os.Build; import android.os.Bundle; import android.provider.ContactsContract; import android.support.v4.app.ActivityCompat; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.Toast; import java.util.ArrayList; public ... Read More
315 Views
This example demonstrates How to dynamically update a ListView on 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. In the above code, we have taken listview.Step 3 − Add the following code to src/MainActivity.javaHow to dynamically update a ListView on AndroidLet's try to run your application. I assume you have connected your actual Android Mobile device with your computer. To run the app from android studio, open one of your project's ... Read More
1K+ Views
This example demonstrate about How to dynamically remove items from ListView on a clickStep 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. In the above code, we have taken listview.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.app.Activity; import android.os.Bundle; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.TextView; public class MainActivity extends Activity { TextView textView; ArrayAdapter adapter = null; String[] arry; ... Read More
2K+ Views
This example demonstrates How to display a button in random screen positionStep 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. In the above code, we have taken a button to move random position.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Bundle; import android.support.v4.app.FragmentActivity; import android.util.DisplayMetrics; import android.widget.Button; import android.widget.LinearLayout; import java.util.Random; import java.util.Timer; import java.util.TimerTask; public class MainActivity extends FragmentActivity { @Override public void onCreate(Bundle savedInstanceState) ... Read More
2K+ Views
This example demonstrate about how to dismiss the dialog with click on outside of the dialogStep 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. In the above code, we have taken text view.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.annotation.TargetApi; import android.content.DialogInterface; import android.os.Build; import android.os.Bundle; import android.support.v7.app.AlertDialog; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.TextView; import android.widget.Toast; public class MainActivity extends AppCompatActivity { TextView text; @TargetApi(Build.VERSION_CODES.LOLLIPOP) ... Read More
1K+ Views
This example demonstrate about How to detect when an Android app goes to the background and come back to the foregroundStep 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. ss In the above code, we have taken text view to show an application status.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.app.ActivityManager; import android.content.ComponentName; import android.content.Context; import android.os.Bundle; import android.support.v4.app.FragmentActivity; import android.widget.TextView; import java.util.List; public class MainActivity extends FragmentActivity ... Read More
5K+ Views
This example demonstrates How to declare global variables 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. In the above code, we have taken text view to show global variable.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.TextView; public class MainActivity extends AppCompatActivity { TextView actionEvent; @RequiresApi(api = Build.VERSION_CODES.LOLLIPOP) @Override protected void onCreate(Bundle ... Read More
787 Views
This example demonstrate about How to create our own Listener interface 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. In the above code, we have taken text view to show listener data.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Bundle; import android.support.v4.app.FragmentActivity; import android.view.View; import android.widget.TextView; public class MainActivity extends FragmentActivity implements sampleInterFace { sampleInterFace interFace; TextView textView; @Override public void onCreate(Bundle savedInstanceState) ... Read More
120 Views
This example demonstrate about How to create firebase account for android applicationRegister with firebase account using https://firebase.google.com/Click on Sign in button, it will ask gmail user name and pass word as shown below –Give proper user name and pass word. After successful login process, it will redirect to main page as shown below –Now click on go to console, it will redirect to create project as shown below –Now click on add project, it will ask project details as shown belowGive project name and accept all terms and conditions as shown below –After enter all details click on create project.it ... Read More
128 Views
This example demonstrate about How to build a Horizontal ListView with RecyclerViewStep 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. In the above code, we have taken recycerview.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.annotation.TargetApi; import android.os.Build; import android.os.Bundle; import android.support.v4.content.ContextCompat; import android.support.v7.app.AppCompatActivity; import android.support.v7.widget.DefaultItemAnimator; import android.support.v7.widget.DividerItemDecoration; import android.support.v7.widget.LinearLayoutManager; import android.support.v7.widget.RecyclerView; import android.support.v7.widget.Toolbar; import android.widget.TextView; import android.widget.Toast; import java.util.ArrayList; ... Read More