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Mobile Development Articles
Page 85 of 156
How to get the Android Emulator's IP address?
This example demonstrates how do I get the Android Emulator’s IP address.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.javaimport androidx.appcompat.app.AppCompatActivity; import android.net.wifi.WifiManager; import android.os.Bundle; import android.text.format.Formatter; import android.view.View; import android.widget.Button; import android.widget.TextView; public class MainActivity extends AppCompatActivity { Button button; TextView textview; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); ...
Read MoreHow to use facebook SDK in Android studio?
This example demonstrates about How to use facebook SDK in Android studioDownload the SDK from the Maven Central Repository:buildscript { repositories { mavenCentral()}}Compile the latest version of the SDK:dependencies { implementation 'com.facebook.android:facebook-android-sdk:[5,6)' }Click here to download the project code.
Read MoreHow to create Android Facebook Key Hash?
This example demonstrates about How to create Android Facebook Key HashGenerating a Development Key HashMac OS:- Execute below command in terminal keytool -exportcert -alias androiddebugkey -keystore ~/.android/debug.keystore | openssl sha1 -binary | openssl base64Windows:- Execute below command in command prompt keytool -exportcert -alias androiddebugkey -keystore "C:\Users\USERNAME\.android\debug.keystore" | "PATH_TO_OPENSSL_LIBRARY\bin\openssl" sha1 -binary | "PATH_TO_OPENSSL_LIBRARY\bin\openssl" base64Generating a Release Key Hashkeytool -exportcert -alias YOUR_RELEASE_KEY_ALIAS -keystore YOUR_RELEASE_KEY_PATH | openssl sha1 -binary | openssl base64Click here to download the project code.
Read MoreHow to create android app in facebook?
This example demonstrates about How to create android app in facebook We need to create Facebook App on Facebook developer site to get Facebook App ID. Please follow the following steps one by one. Go to https://developers.facebook.com/ and add new app.Step 1 - Enter you app name and email in given fieldsStep 2 – Add below line build.gradle/mavenDownload the SDK from the Maven Central Repository:buildscript { repositories { mavenCentral()}}Compile the latest version of the SDK:dependencies { implementation 'com.facebook.android:facebook-android-sdk:[5, 6)' }Step 3 - Add Your Development and Release Key HashesGenerating a Development Key HashMac OS:- Execute below command in terminal ...
Read MoreHow to programmatically take a screenshot on iOS?
In this post we will learn how to take screen shot programmatically in iOS.We will add on textField where we will change the value, take the screen shot by press of a button and then show the screen shot in an imageView which we will place just below the button itself.Remember that you can add this functionality on long press or any other gesture, and even save the image if you want. But right now we will just focus on capturing the screen shot and showing it on an image view.So let’s get startedStep 1 − Open Xcode → New ...
Read MoreHow to repeat a task repeatedly after a regular interval in Swift(iOS)?
In this post we will learn how to repeat a task after a regular interval.In this example we will update a label after a particular interval of time repeatedly.In iOS we user Timer to achieve this task. Lets get startedStep 1 − Open Xcode → New Project → Single View Application → Let’s name it “Timer”Step 2 − Open Main.storyboard and add a label as shown below.Step 3 − Attach one @IBOutlet for the bottom label. Name it timerLabelStep 4 − We will show the seconds since when the app is launched on the label. So, declare two variables in ...
Read MoreHow to open a website in iOS's web browser from my application?
In this post we will learn how to open website in iOS browser.We will open Facebook in iOS browser.Step 1 − Open Xcode → New Project → Single View Application → Let’s name it “OpenBrowser”Step 2 − Open Main.storyboard and add a button as shown below. I have given the button title as “Open Facebook”Step 3 − Attach one @IBAction function in ViewController, name it openBrowserStep 4 − In openBrowserFunction write the code to open URL like shown below@IBAction func openBrowsere(_ sender: Any) { let url = URL(string: "https://www.facebook.com")! if UIApplication.shared.canOpenURL(url) { UIApplication.shared.open(url, options: [:], ...
Read MoreLaunching the App Store from an iOS application
In this post we will learn how to open app store from iOS application.In this example we will open app store and show Facebook app on store. You can open your app if you want just by changing the ID to your app id.Lets do it.Step 1 − Open Xcode → New Project → Single View Application → Let’s name it “OpenAppStore”Step 2 − Open Main.storyboard and add a button as shown below.Step 3 − Attach one @IBAction for the button for click event. Name the function as openAppstoreClicked.Step 4 − In openAppstoreClicked we will write the code to open ...
Read MoreHow to make phone call in iOS 10 using Swift?
In this post we will be seeing how to make phone in iOS programmatically.So let’s get started.Step 1 − Open Xcode → New Project → Single View Application → Let’s name it “MakeCall”Step 2 − Open Main.storyboard and add one text field and one button as shown belowStep 3 − Create @IBOutlet for the text field, name it phoneNumberTextfield.Step 4 − Create @IBAction method callButtonClicked for call buttonStep 5 − To make a call we can use iOS openURL. In callButtonClicked add following linesif let url = URL(string: "tel://\(phoneNumberTextfield.text!)"), UIApplication.shared.canOpenURL(url) { UIApplication.shared.open(url, options: [:], completionHandler: nil)Step 6 − Run the ...
Read MoreHow to get the Touch position on iOS device?
In this post we will be seeing how to get the touch position on device using Swift.So let’s get started.Step 1 − Open Xcode → New Project → Single View Application → Let’s name it “TouchMe”Step 2 − Open Main.storyboard and add one label as shown below. On this label we will show the touch position.Step 3 − Create @IBOutlet for the label, name it touchPositionLabel.Step 4 − We will be overriding the touchesBegan method in ViewController to get the touch position in the view. Override the method as shown belowoverride func touchesBegan(_ touches: Set, with event: UIEvent?) { ...
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