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Apps/Applications Articles
Page 91 of 148
How to detect airplane mode is on or off in Android?
This example demonstrates about How to detect airplane mode is on or off 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. Step 3 − Add the following code to src/MainActivity.javapackage app.com.sample; import androidx.appcompat.app.AppCompatActivity; import android.content.Context; import android.os.Bundle; import android.provider.Settings; import android.widget.TextView; public class MainActivity extends AppCompatActivity { TextView textView; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); textView ...
Read MoreHow can I set an ImageView's width and height programmatically in Android?
This example demonstrates about How can I set an ImageView's width and height programmatically 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. Step 3 − Add the following code to src/MainActivity.javapackage app.com.sample; import android.os.Bundle; import android.widget.ImageView; import android.widget.RelativeLayout; import androidx.appcompat.app.AppCompatActivity; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); RelativeLayout rlMain = findViewById(R.id.rlMain); ImageView ...
Read MoreHow to set an Android App's background image repeated?
This example demonstrates about How to set an Android App's background image repeatedStep 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/drawable/app_background.xml. Step 2 − Add the following code to res/values/styles.xml. @color/colorPrimary @color/colorPrimaryDark @color/colorAccent @drawable/app_background Step 2 − Add the following code to res/layout/activity_main.xml. Step 3 − Add the following code to src/MainActivity.javapackage app.com.sample; import android.os.Bundle; import androidx.appcompat.app.AppCompatActivity; public class ...
Read MoreHow do I center text horizontally and vertically in a TextView of Android?
This example demonstrates about How do I center text horizontally and vertically in a TextView of 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. Step 3 − Add the following code to src/MainActivity.javapackage app.com.sample; import android.os.Bundle; import androidx.appcompat.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 send HTML email using Android App?
This example demonstrates about How to send HTML email using 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.javapackage app.com.sample; import android.content.Intent; import android.net.Uri; import android.os.Bundle; import android.text.Html; import android.view.View; import androidx.appcompat.app.AppCompatActivity; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); } public void sendHtmlEmail(View view) { ...
Read MoreHow to check current running applications in Android?
This example demonstrates about How to check current running applications 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. Step 3 − Add the following code to src/MainActivity.javapackage app.com.sample; import android.app.ActivityManager; import android.content.Context; import android.os.Bundle; import android.widget.TextView; import androidx.appcompat.app.AppCompatActivity; import java.util.List; import java.util.Objects; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); TextView textView = ...
Read MoreHow to implement a long click listener on a Android listview?
This example demonstrates about How to implement a long click listener on a Android listview.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 app.com.sample; import android.os.Bundle; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.Toast; import androidx.appcompat.app.AppCompatActivity; public class MainActivity extends AppCompatActivity { String[] mobileArray = {"Android", "IPhone", "WindowsMobile", "Blackberry", "WebOS", "Ubuntu", "Windows7", "Max OS X"}; @Override protected void ...
Read MoreHow to launch activity only once when Android app is opened for the first time?
This example demonstrates about How to launch activity only once when Android app is opened for the first time.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 app.com.sample; import androidx.appcompat.app.AppCompatActivity; import android.content.Context; import android.content.SharedPreferences; import android.os.Bundle; public class MainActivity extends AppCompatActivity { String prevStarted = "prevStarted"; @Override protected void onResume() { super.onResume(); SharedPreferences sharedpreferences ...
Read MoreHow to store drawable resources ID in the form of R.drawable.* inside an array using an XML values file?
This example demonstrates about How to store drawable resources ID in the form of R.drawable.* inside an array using an XML values fileStep 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/ arrays.xml. @drawable/image1 @drawable/image2 @drawable/image3 Step 3 − Add the following code to res/layout/activity_main.xml. Step 4 − Add the following code to src/MainActivity.javapackage app.com.sample; ...
Read MoreHow to disable orientation change in Android?
This example demonstrates how do I disable orientation change 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.content.pm.ActivityInfo; import android.support.v7.app.AppCompatActivity; import android.os.Bundle; public class MainActivity extends AppCompatActivity { @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_LANDSCAPE); setContentView(R.layout.activity_main); } }Step 4 − Add the following code to androidManifest.xml ...
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