Mobile Development Articles

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How to binarySearch in android listview?

Vrundesha Joshi
Vrundesha Joshi
Updated on 30-Jul-2019 401 Views

This example demonstrates How to binarySearch 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.Step 2 − Add the following code to res/layout/activity_main.xml.                     In the above code, we have taken name and record number as Edit text, when user click on save button it will store the data into arraylist. Click on refresh button to get ...

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How to check arraylist is empty for Listview in Android?

Nitya Raut
Nitya Raut
Updated on 30-Jul-2019 459 Views

This example demonstrates How to check arraylist is empty for Listview 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 name and record number as Edit text, when user click on save button it will store the data into ...

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How to convert array to arraylist in android?

Jennifer Nicholas
Jennifer Nicholas
Updated on 30-Jul-2019 932 Views

This example demonstrates How to convert array to arraylist 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 name and record number as Edit text, when user click on save button it will store the data into arraylist. Click on refresh button ...

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How to Count Occurrences of Each Character in String in Android?

Vrundesha Joshi
Vrundesha Joshi
Updated on 30-Jul-2019 630 Views

This example demonstrates How to Count Occurrences of Each Character in 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 name when user click on button, it will check occurrence of letter in string and gives result in textview.Step 3 − Add the following code to ...

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How to create digital clock with textview in android?

Nitya Raut
Nitya Raut
Updated on 30-Jul-2019 2K+ Views

This example demonstrates How to create digital clock with textview 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 textview. It will show clock with blink animation as we see in normal digital clock.Step 3 − Add the following code to src/MainActivity.javapackage com.example.andy.myapplication; import android.os.Bundle; import android.os.Handler; import android.support.v7.app.AppCompatActivity; import android.view.View; import android.widget.EditText; import android.widget.TextView; import android.widget.Toast; import java.text.SimpleDateFormat; import java.util.Date; import java.util.HashMap; public ...

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How to do reverse of string in Android?

Jennifer Nicholas
Jennifer Nicholas
Updated on 30-Jul-2019 2K+ Views

This example demonstrates How to do reverse of string 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 name and when user click on button it will print reverse of edittext value.Step 3 − Add the following code to src/MainActivity.javapackage com.example.andy.myapplication; import android.os.Bundle; ...

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How to detect iOS device UDID, Name, Version, Model by programmatically?

Nishtha Thakur
Nishtha Thakur
Updated on 30-Jul-2019 2K+ Views

Device UDID stands for Unique device identifier. Every iOS Device has UDID which is a sequence of 40 letters and numbers that is guaranteed to be specific to your device.Device name is generally a name which will find in the device Setting→ General→ About.iOS Version is the version on which your current iPhone runs, latest iOS version in 12.2iOS Model describes whether the iOS device which user is using is an iPhone/iPad.Now will see how to detect UDID, Name, Version and Model programatically.Open Xcode → New Project and add the below code in ViewController’s viewDidLoad method.override func viewDidLoad() {   ...

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How to print list values in random order in Android?

Vrundesha Joshi
Vrundesha Joshi
Updated on 30-Jul-2019 530 Views

This example demonstrates How to print list values in random order 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 name and record number as Edit text, when user click on save button it will store the data into arraylist. Click on ...

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How to print list values in reverse order using Collections.reverse() in Android?

Nitya Raut
Nitya Raut
Updated on 30-Jul-2019 559 Views

This example demonstrates How to print list values in reverse order using Collections.reverse() 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 name and record number as Edit text, when user click on save button it will store the data into arraylist. Click on refresh button to get the ...

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How to remove all vowels from textview string in Android?

Vrundesha Joshi
Vrundesha Joshi
Updated on 30-Jul-2019 409 Views

This example demonstrates How to remove all vowels from textview string 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 name and when user click on button it will print without vowels of edittext value.Step 3 − Add the following code to src/MainActivity.javapackage com.example.andy.myapplication; import ...

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