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Mobile Development Articles
Page 71 of 156
How to extend an array after initialization in android listview?
This example demonstrate about How to extend an array after initialization in the android listview.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 code, we have taken listview to show array values.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.util.Log; import android.widget.ArrayAdapter; import android.widget.EditText; import android.widget.ListView; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; public class MainActivity extends AppCompatActivity { ...
Read MoreHow to encode the string in android?
This example demonstrate about How to encode the string 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. In the above code, we have taken editext, button and textview. When user click on button after inserting value in edittext, it will do encode.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.util.Base64; import android.view.View; import android.widget.EditText; import android.widget.TextView; public class MainActivity extends AppCompatActivity { TextView text; ...
Read MoreHow to decode the string in android?
This example demonstrate about How to decode the string 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 editext, button and textview’s. When user click on button after inserting value in edittext, it will do encode and decode.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.util.Base64; import ...
Read MoreHow to check existence of an element in android listview?
This example demonstrate about How to check existence of an element in android listview.Step 1 − Create a new project in Android Studio, go to File ⇒ New Project and fill all required details to create a new project. In the above code, we have taken editext, button and listview. When user click on button after inserting value in edittext, it will do data validation with listview items.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.EditText; import ...
Read MoreFactory method to create Immutable List in android?
This example demonstrate about Factory method to create Immutable List 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 listview to add immutable list.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.TextView; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; import java.util.HashSet; import java.util.List; import java.util.Set; public class MainActivity extends ...
Read MoreHow to sort an array elements in android?
This example demonstrate about How to sort an array elements 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 sorted array.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.util.Log; import android.widget.TextView; import java.util.ArrayList; public class MainActivity extends AppCompatActivity { TextView text; int temp; int[] ...
Read MoreHow to check edit text values are Anagram or Not in android?
This example demonstrate about How to check edit text values are Anagram or Not 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 two edit texts to take the data from the user and when user click on a button it will give the result on toast.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.os.Build; import ...
Read MoreHow to valid textview data is only digits in android?
This example demonstrate about How to valid textview data is only digits 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 a text view to show digits.Step 3 − Add the following code to src/MainActivity.javapackage com.example.myapplication; import android.Manifest; import android.content.pm.PackageManager; import android.location.Address; import android.location.Geocoder; import android.location.Location; import android.location.LocationManager; import android.os.Build; import android.os.Bundle; import android.support.annotation.RequiresApi; import android.support.v4.app.ActivityCompat; import android.support.v7.app.AppCompatActivity; import android.text.TextUtils; import android.widget.TextView; import ...
Read MoreHow to print current package name in android?
This example demonstrate about How to print current package name 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 a text view to show the current package name.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.widget.TextView; import java.security.Security; import java.util.Locale; public class MainActivity extends AppCompatActivity { TextView textView; ...
Read MoreHow to print current package cache directory information in android?
This example demonstrate about How to print current package cache directory information 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 current package cache information.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.widget.TextView; import java.security.Security; import java.util.Locale; public class MainActivity extends AppCompatActivity { TextView textView; ...
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