DEX files are Dalvik Executable file. You can view the content of a dex file an APK analyzer. With the help of an APK analyzer you can analyze your APK file and even compare it with the previous versions.
Overview SQLite is an opensource SQL database that is used to store data into a text file on a device. SQLite only supports NULL INTEGER REAL TEXT BLOB SQLite with MVVM Add the required dependency in build.gradle (Module) file. Create a data class data class User( val name : String , val dob : String , val address : String , val pin : String , val username : String , val password : String , val isLoggedIn : Int ) Create a class name DBHelper and extend it with SQLiteOpenHelper Create the repositories Some Syntax of SQL commands Do's and Dont's You cannot store a BOOLEAN value in SQLite, you have to use INTEGER for this purpose. Code to Open Database from external file public class DatabaseHelper extends SQLiteOpenHelper { public static final String DATABASE_NAME = "appDatabase.db" ; private static final int DATABASE_VERSION = 1 ; private static String DATABASE_PATH ; private final Context context ; private SQLiteDat...
Overview Fragment is also called sub-activity. It is an application component which is dependent on Fragment. Following is the Fragment lifecycle. Activity with Fragment rotated Steps to follow Enable view binding in build.gradle (Module) file to use ActivityMainBinding. buildFeatures { viewBinding true } Create blank fragments inside an Android project. It will create a Java/Kotlin file and the associated xml file. Extend the Java/Kotlin file with Fragment class. (When you create a new Fragment on Android Studio, the studio automatically creates basic boilerplate codes for you). class FragmentA : Fragment() { private lateinit var communicator : Communicator override fun onCreateView ( inflater : LayoutInflater , container : ViewGroup? , savedInstanceState : Bundle? ) : View? { communicator = activity as Communicator val view = inflater.inflate(R.layout. fragment_a , container , false ) view.btnSend.setOnClickListener { ...
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