Application is base class in Android, which contains all components like activites,services... The Application class is first instanitated while running any application. We can write Custom Application class by extending the Application class. class MyApplication extends Application{ @Override } } We can declare any single instance classes here and use entire application. To execute this class we need to set Application name in manifest file.
public void onCreate() {
super.onCreate();
How to install/ uninstall apk by command line ADB
Emulator: emulator: ERROR: Can't find 'Linux version ' string in kernel image file: Andr
Key Points to remember while develop the Android Application.
What are the notifications available in android?
How to copy database from assets folder in android using kotlin
What is Context?
FCM Not Receiving Notifications in Android - RRutors
How to save activity State in Android?
Invoke-customs are only supported starting with android 0 --min-api 26
Open PDF in Google Drive with Intent in Android - RRutors
How do I check in SQLite whether a table exists?
What is NetworkOnMainThread Exception?
How to find Android Device UDID or unique ID?
Add Jar/Library Files as Dependency in Android Studio
How to check Android version?
Set Activity to Fullscreen Mode in Android - RRutors
How to reduce APK package size?
How can i comment inside xml file in android studio?
Symmetric vs Asymmetric Encryption in Android Server - RRutors
Fix Android Emulator Kill Error When Running Your App
How to Use Deprecated Handler() in Android - RRutors Guide
How to get screen size (width,height) in Android?
How to convert DP to Pixel and Pixel to Dp?
What are Android Versions available?
How To Set Text Color Programmatically Android TextView?
Fix Duplicate Files in APK Build.gradle Issue - RRutors
How do I generate random numbers in Dart?
What is Application?
How to Generate signed apk with android studio
Fix Behavior Subclass BottomSheetBehavior Exception - RRutors
What is Intent? What is the difference between an implicit intent and an explicit intent?
How to validate email address in Android with Kotlin?
Decompile APK Files: How to Get Source Code - RRutors Guide
What is ANR in android?
How to Exit android app on back pressed?
What is Android Fragments?
How to convert milli seconds to hours, minutes and seconds in Android?
How to get a contact image using a phone number in android?
Extract Date and Time from Long Type Variable - RRutors
What is Android?