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Mobile Development Articles
Page 105 of 156
How to get current foreground activity context in Android?
This example demonstrate about How to get current foreground activity context 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 src/MyApp.javapackage app.tutorialspoint.com.sample ; import android.app.Activity ; import android.app.Application ; public class MyApp extends Application { private Activity mCurrentActivity = null; @Override public void onCreate () { super .onCreate() ; } public Activity getCurrentActivity () { return mCurrentActivity ; } public void setCurrentActivity ...
Read MoreHow to check if Location Services are enabled in Android App?
This example demonstrate about How to check if Location Services are enabled 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.java Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; import android.content.Context ; import android.content.DialogInterface ; import android.content.Intent ; import android.location.LocationManager ; import android.os.Bundle ; import android.provider.Settings ; import android.support.v7.app.AlertDialog ; import android.support.v7.app.AppCompatActivity ; import android.view.View ; import android.widget.Button ; import android.widget.TextView ; public class MainActivity extends AppCompatActivity ...
Read MoreHow can I validate EditText input in Android?
This example demonstrate about How can I validate EditText input 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.java Step 3 − Add the following code to src/ValidateFilter.javapackage app.tutorialspoint.com.sample ; import android.text.InputFilter ; import android.text.Spanned ; import android.util.Log ; import java.util.regex.Matcher ; import java.util.regex.Pattern ; public class ValidateFilter implements InputFilter { @Override public CharSequence filter (CharSequence source , int start , int end , Spanned dest , int ...
Read MoreHow to define a MIN and MAX value for EditText in Android?
This example demonstrate about How to define a MIN and MAX value for EditText 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.java Step 3 − Add the following code to src/MinMaxFilter.javapackage app.tutorialspoint.com.sample ; import android.text.InputFilter ; import android.text.Spanned ; public class MinMaxFilter implements InputFilter { private int mIntMin , mIntMax ; public MinMaxFilter ( int minValue , int maxValue) { this . mIntMin = minValue ...
Read MoreHow can I define underlined text in an Android layout xml file?
This example demonstrate about How can I define underlined text in an Android layout xml file.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.java Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; import android.os.Bundle ; import android.support.v7.app.AppCompatActivity ; import android.text.SpannableString ; import android.text.style.UnderlineSpan ; import android.widget.TextView ; public class MainActivity extends AppCompatActivity { @Override protected void onCreate (Bundle savedInstanceState) { super .onCreate(savedInstanceState) ; ...
Read MoreHow to add manifest permission to an application in Android?
This example demonstrate about How to add manifest permission to an application 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.java Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; 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 the following ...
Read MoreHow do I get the resource id of an image if I know its name in Android?
This example demonstrate about How do I get the resource id of an image if I know its name 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.java Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; import android.os.Bundle ; import android.support.v7.app.AppCompatActivity ; import android.util.Log ; import android.widget.TextView ; public class MainActivity extends AppCompatActivity { @Override protected void onCreate (Bundle savedInstanceState) { ...
Read MoreHow to make a background 25% transparent on Android?
This example demonstrate about How to make a background 25% transparent on 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.java Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; 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 the following code ...
Read MoreHow to disable action bar permanently in Android?
This example demonstrate about How to disable action bar permanently 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.java Step 3 − Add the following code to src/MainActivity.javapackage app.tutorialspoint.com.sample ; 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 the ...
Read MoreHow to get the current location latitude and longitude in iOS?
Almost all the application uses location services, thus having complete understanding on location is necessary. In this post we will be seeing how to get current location’s latitude and longitude.For this we will be using CLLocationManager, you can read more about it herehttps://developer.apple.com/documentation/corelocation/cllocationmanagerWe will be developing a sample application where we will print user’s latitude and longitude on viewDidLoad method, alternatively you can print on tap of a button also on UILabel as per need.So let’s get started, Step 1 − Open Xcode → New Projecr → Single View Application → Let’s name it “Location”Step 2 − Open info.plist file ...
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