Mobile Development Articles - Page 53 of 156

This example demonstrates how set an icon for my Android application .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  − Further follow the path to reach the desired folder to add icon (app → res → mipmap).Step 3 - Add you app icon. You can just simply copy and paste the image in mipmap folder.Step 4 - After placing the image in the mipmap folder. You need to rename the default icon name to your icon image name.Step 5  − Add the following ... Read More

This example demonstrates how to pass data between activities.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 com.example.sample; import android.content.Intent; import androidx.appcompat.app.AppCompatActivity; import android.os.Bundle; import static java.lang.Thread.sleep; public class MainActivity extends AppCompatActivity {    @Override    protected void onCreate(Bundle savedInstanceState) {       super.onCreate(savedInstanceState);       startActivity(new Intent(MainActivity.this, SecondActivity.class));       try {          sleep(3000);     ... Read More

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 More

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 More

This example demonstrates how to pass data between activities.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/layout/activity_second.xml.               Step 4  − Add the following code to src/MainActivity.javapackage com.example.sample; import androidx.appcompat.app.AppCompatActivity; import android.content.Intent; import android.text.TextUtils; import android.view.View; import android.widget.Button; import android.widget.EditText; import ... Read More

This example demonstrates how to create Android Hello World 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 com.example.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  − Add the following code to Manifests/AndroidManifest.xml           ... Read More

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 More

This example demonstrates how to change action bar size 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/values/styles.xml                     @color/colorAccent       @color/colorPrimary       @color/colorAccent       36dip     Step 3  − Add the following code to res/layout/activity_main.xml.     Step 4  − Add the following code to src/MainActivity.javapackage com.example.sample; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; public class MainActivity extends ... Read More

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 More

This example demonstrates how to read value from string.xml 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/values/strings.xml    Sample    Test string Step 3  − Add the following code to res/layout/activity_main.xml     Step 4  − Add the following code to src/MainActivity.javapackage com.example.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 ... Read More