This example demonstrate about How to define a MIN and MAX value for 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.java     Step 3 − Add the following code to src/MinMaxFilter.javapackage app.tutorialspoint.com.sample ; import android.text.InputFilter ; import android.text.Spanned ; public class MinMaxFilter implements InputFilter {    private int mIntMin , mIntMax ;    public MinMaxFilter ( int minValue , int maxValue) {       this . mIntMin = minValue ... Read More

This example demonstrate about How can I validate EditText input 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.java     Step 3 − Add the following code to src/ValidateFilter.javapackage app.tutorialspoint.com.sample ; import android.text.InputFilter ; import android.text.Spanned ; import android.util.Log ; import java.util.regex.Matcher ; import java.util.regex.Pattern ; public class ValidateFilter implements InputFilter {    @Override    public CharSequence filter (CharSequence source , int start , int end , Spanned dest ,    int ... Read More

This example demonstrate about How to check if Location Services are enabled in Android App.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.java     Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; import android.content.Context ; import android.content.DialogInterface ; import android.content.Intent ; import android.location.LocationManager ; import android.os.Bundle ; import android.provider.Settings ; import android.support.v7.app.AlertDialog ; import android.support.v7.app.AppCompatActivity ; import android.view.View ; import android.widget.Button ; import android.widget.TextView ; public class MainActivity extends AppCompatActivity ... Read More

This example demonstrate about How to get current foreground activity context 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 src/MyApp.javapackage app.tutorialspoint.com.sample ; import android.app.Activity ; import android.app.Application ; public class MyApp extends Application {    private Activity mCurrentActivity = null;    @Override    public void onCreate () {       super .onCreate() ;    }    public Activity getCurrentActivity () {       return mCurrentActivity ;    }    public void setCurrentActivity ... Read More

This example demonstrate about How to set default font family for entire Android App.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.sample ; import android.support.v7.app.AppCompatActivity ; import android.os.Bundle ; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate (Bundle savedInstanceState) {       super .onCreate(savedInstanceState) ;       setContentView(R.layout. activity_main ) ;    } }Step 4 − ... Read More

This example demonstrate about How to check Android Phone Model programmatically.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.sample ; import android.os.Build ; import android.support.v7.app.AppCompatActivity ; import android.os.Bundle ; 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 More

This example demonstrate about How to create circular ProgressBar 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/drawable/circular_progress_bar.xml.               Step 3 − Add the following code to res/drawable/circular_shape.xml     Step 4 − Add the following code to res/layout/activity_main.xml.     Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; import android.support.v7.app.AppCompatActivity ; import android.os.Bundle ; public class MainActivity extends AppCompatActivity ... Read More

This example demonstrate about How to lock the Android device programmatically.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 res/xml/policies.xml               Step 4 − Add the following code to src/DeviceAdminpackage app.tutorialspoint.com.sample ; import android.app.admin.DeviceAdminReceiver ; import android.content.Context ; import android.content.Intent ; import android.widget.Toast ; public class ... Read More

This example demonstrate about How to lock the Android device programmatically.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 assets/page.html           First name:       Last name:                function getValues() {             document.getElementById("btnOK").value =             document.getElementById("txtfname").value+"         ... Read More

This example demonstrate about How to lock the Android device programmatically.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/MainActivitypackage app.tutorialspoint.com.sample ; import android.os.Bundle ; import android.support.v7.app.AppCompatActivity ; import android.view.View ; import android.webkit.WebView ; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate (Bundle savedInstanceState) {       super .onCreate(savedInstanceState) ;       setContentView(R.layout. activity_main ) ;    } ... Read More