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Mobile Development Articles
Page 42 of 156
How do I create a transparent Activity in an Android App?
This example demonstrates how to create a transparent Activity 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. #33000000 true @android:color/transparent @null true @android:style/Animation Step 3 − Add the following code to res/layout/activity_main.xml. Step 4 − Add the following code to src/MainActivity.javapackage com.example.transparentactivity; import android.support.v7.app.AppCompatActivity; ...
Read MoreHow to read value from string.xml in Android?
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 MoreHow to customise iOS button to set text and color?
In this post we will be seeing how to customise iOS button.So let’s get started.Step 1 − Open Xcode → New Project → Single View Application → Let’s name it “CustomiseButton”Step 2− Open Main.storyboard and add a button as shown below. We will customize this buttonThere are two ways to customise this buttonUsing StoryboardStep 1 − Click on the buttonStep 2 − In the right panel, in the attribute inspector you can change the text color, text and background color of the button as shown belowRun the project you will see the customise button as belowNow we will see the ...
Read MoreHow to make an Android status bar notification persist across phone reboot?
This example demonstrate about How to make an Android status bar notification persist across phone rebootStep 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.package app.tutorialspoint.com.notifyme ; import android.os.Bundle ; import android.support.v7.app.AppCompatActivity ; public class MainActivity extends AppCompatActivity { @Override protected void onCreate (Bundle savedInstanceState) { super .onCreate(savedInstanceState) ; setContentView(R.layout. activity_main ) ; } }Step 4 − Add ...
Read MoreHow do I change current theme at runtime in my android app?
This example demonstrates how do I change current theme at runtime in my android 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.javaimport android.support.v7.app.AppCompatActivity; import android.os.Bundle; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setTheme(android.R.style.Theme_Black); setContentView(R.layout.activity_main); } }Step 4 − Add the following code to androidManifest.xml ...
Read MoreHow to detect long press in Android?
This example demonstrates how do I detect long Press 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. Step 3 − Add the following code to src/MainActivity.javaimport android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.GestureDetector; import android.view.MotionEvent; import android.widget.Toast; public class MainActivity extends AppCompatActivity { GestureDetector gestureDetector; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); gestureDetector = new GestureDetector(this, new GestureListener()); ...
Read MoreHow to detect end of ScrollView in Android?
This example demonstrates how do I detect end of scrollView 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. Step 3 − Add the following code to src/MainActivity.javaimport android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.view.MotionEvent; import android.view.View; import android.view.ViewTreeObserver; import android.webkit.WebView; import android.widget.ScrollView; import android.widget.Toast; public class MainActivity extends AppCompatActivity implements View.OnTouchListener, ViewTreeObserver.OnScrollChangedListener { ScrollView scrollView; WebView webView; @Override ...
Read MoreHow to create spinner Programmatically from array in Android?
This example demonstrates how do I create spinner programmatically from array 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. Step 3 − Add the following code to src/MainActivity.javaimport android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.widget.ArrayAdapter; import android.widget.Spinner; public class MainActivity extends AppCompatActivity { Spinner spinner; String colors[] = {"Red", "Blue", "White", "Yellow", "Black", "Green", "Purple", "Orange", "Grey"}; ArrayAdapter spinnerArrayAdapter; @Override protected void onCreate(Bundle ...
Read MoreHow to check grant permission at run-time in android?
This example demonstrates how do I check grant permission at un-time 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. Step 3 − Add the following code to src/MainActivity.javaimport android.Manifest; import android.content.pm.PackageManager; import android.os.Build; import android.support.annotation.NonNull; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; import android.support.v4.app.ActivityCompat; import android.widget.Toast; public class MainActivity extends AppCompatActivity{ private static final int REQUEST_PERMISSION_CODE = 101; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ...
Read MoreHow to use a Volley Library to parse a JSON in android App?
This example demonstrates how do I use a volley Library to parse a JSON in android 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 – To create a JsonArray, go to https://myjson.com/ create your own JsonArray, for example, refer the code below.{ "employees": [ { "firstname": "Niyaz", "age": 30, "mail": "niyaz3444@gmail.com" ...
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