We can copy database from assets folde by class CopyAssetDatabaseOpenHelper(private val context: Context) { companion object { private val DB_NAME = "dbName.db" fun openDatabase(): SQLiteDatabase { checkDB?.close() } val buffer = ByteArray(1024) currentDB.flush() }
}
val dbFile = context.getDatabasePath(DB_NAME)
if (!dbFile.exists()) {
try {
val checkDB = context.openOrCreateDatabase(DB_NAME, Context.MODE_PRIVATE,null)
copyDatabase(dbFile)
} catch (e: IOException) {
throw RuntimeException("Error creating source database", e)
}
return SQLiteDatabase.openDatabase(dbFile.path, null, SQLiteDatabase.OPEN_READWRITE)
}
private fun copyDatabase(context:Context) {
val dbFile = context.getDatabasePath("logicaldb")
val assetdb = context.assets.open("logicaldb")
val currentDB = FileOutputStream(dbFile)
while (assetdb.read(buffer) > 0) {
currentDB.write(buffer)
Log.d("#DB", "Copying "+buffer.toString())
}
currentDB.close()
assetdb.close()
}
How do I generate random numbers in Dart?
Extract Date and Time from Long Type Variable - RRutors
What is NetworkOnMainThread Exception?
How to get screen size (width,height) in Android?
Fix Play Store Rejection Due to SMS Permission - RRutors
Fix Duplicate Files in APK Build.gradle Issue - RRutors
What is ANR? How to avoid and resolve it?
Key Points to remember while develop the Android Application.
Fix Error: Use JsonReader.setLenient(true) for Malformed JSON
How to check Android version?
How do i load image from drawable folder in Jetpack Compose?
Fix Android Emulator Kill Error When Running Your App
How to convert milli seconds to hours, minutes and seconds in Android?
How to start a new activity on button click
How to copy database from assets folder in android using kotlin
How to Use Deprecated Handler() in Android - RRutors Guide
What is Intent? What is the difference between an implicit intent and an explicit intent?
INSTALL_FAILED_INVALID_APK: Split lib_slice_9_apk was defined multiple times. It is possible that th
How to get a contact image using a phone number in android?
Explain Fragment Life Cycle
How to find Android Device UDID or unique ID?
How to Exit android app on back pressed?
How To Set Text Color Programmatically Android TextView?
How to install/ uninstall apk by command line ADB
How to reduce APK package size?
Set Activity to Fullscreen Mode in Android - RRutors
How to avoid multiple button click at same time in android?
How to get an image resource by it's name in android?
ERR_ACCESS_DENIED in Android Webview with sdk 30
Android Studio project R can't find
Add Jar/Library Files as Dependency in Android Studio
How to Generate signed apk with android studio
What is "shared preferences" in Android ?
Invoke-customs are only supported starting with android 0 --min-api 26
What is Application?
Hide/Disable soft keyboard on Activity launch: Android
Permission denied for window type 2010 in Marshmallow device
FCM Not Receiving Notifications in Android - RRutors
How to validate email address in Android with Kotlin?
How to stop EditText focus at Activity startup in Android?