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Mobile Development Articles
Page 118 of 156
How to create our own Listener interface in android?
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 MoreHow to dynamically update a ListView on Android
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 MoreDynamically change TableView Cell height in Swift
To change the height of tableView cell in ios dynamically, i.e resizing the cell according to the content available, we’ll need to make use of automatic dimension property. We’ll see this with the help of an sample project.Create an empty project and go to it’s viewController class, conform it to UITableViewDataSource and UITableViewDelegate.Now, In the below code, we will first create a table, then register a cell for that table, and add some table properties.We’ll set the table view delegate and table view datasource.Finally we’ll add the table view to view. Then we’ll call this function inside the viewDidLoad method ...
Read MoreHow to check Location Manager is running or not in iOS App?
To check any services related to location in ios with swift we can use the CLLocationManager.In this example we’ll see how to check if the location manager is running or not. We’ll do this with help of an sample project. So, create a new project. First we need to create a locationManager object, so in your view controller.var locationManager = CLLocationManager()Now, we first of all we need to check if the location services are enabled on the device or not. To check this we’ll useCLLocationManager.locationServicesEnabled() function, which returns a Boolean value showing whether the location service on device is active ...
Read MoreHow to resize an UIImageView using Swift?
To resize an image in iOS using swift we’ll make use of frame.Let’s see this with help of an example.Create an empty project and add an empty Image view.Create its outlet.Add an image to your project and assign the image to image view.Initially when we run the application, it looks something like this.Now, let’s add code to resize the image.override func viewWillLayoutSubviews() { let frame = CGRect(x: 10, y: 10, width: self.view.frame.width - 20, height: 300) self.imgView.frame = frame }We will run this code in our viewWillLayoutSubviews method. This is how it looks on the device when we ...
Read MoreHow to refresh Activity when IntentService is finished in android?
Before getting into the example, we should know what Intent service is in android. Intent Service is going to do background operation asynchronously. When user call startService() from activity, it doesn’t create an instance for each request and it going to stop service after done some action in service class or else we need to stop service using stopSelf().This example demonstrates How to refresh Activity when IntentService is finished.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 ...
Read MoreHow to share intent from intentservice in android?
Before getting into example, we should know what Intent service is in android. Intent Service is going to do back ground operation asynchronously. When user call startService() from activity , it doesn’t create instance for each request. It going to stop service after done some action in service class or else we need to stop service using stopSelf().This example demonstrate about How to share intent from intentservice.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. ...
Read MoreHow to get phone number in android?
This example demonstrate about How to get phone number 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. When user open application, Phone number going to append on textview.Step 3 − Add the following code to src/MainActivity.java.package com.example.andy.myapplication; import android.Manifest; import android.content.Context; import android.content.pm.PackageManager; 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.telephony.TelephonyManager; import android.widget.TextView; import ...
Read MoreHow to get the duplicates values from Arraylist<String> and then get those items in another Arraylist in Android?
This example demonstrate about How to get the duplicates values from Arraylist and then get those items in another Arraylist.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 show duplication list items from array list.Step 3 − Add the following code to src/MainActivity.javapackage com.example.andy.myapplication; import android.os.Bundle; import android.support.v7.app.AppCompatActivity; import android.widget.ArrayAdapter; import android.widget.ListView; import java.util.ArrayList; import java.util.HashSet; import java.util.Set; public class MainActivity extends AppCompatActivity ...
Read MoreHow to use checktextview in android?
Before getting into the example, we should know what checktextview in android is. Check textview is expanded by textview and contains checkable interface. Using Checktextview we can find that, whether a user is clicked on textview or not.This example demonstrate about How to use checktextview 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 CheckedTextView, when user clicked on textview, it will ...
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