Step 3 − Add the following code to src/MainActivity. Step 2 − Add the following code to res/layout/activity_main.xml. Step 1 − Create a new project in Android Studio, go to File ⇉ New Project and fill all required details to create a new project. Toast.makeText(this,"Done", Toast.LENGTH_SHORT).This example demonstrates how to use a simple SQLite database in Kotlin android. ImageView = (ImageView) findViewById(R.id.imageView) ĭb = this.openOrCreateDatabase("test.db", Context.MODE_PRIVATE,null) ĭb.execSQL("create table if not exists imageTb ( image blob )") Ĭursor c = db.rawQuery("select * from imageTb", null) īitmap bmp= codeByteArray(image, 0, image.length) Public class MainActivity extends AppCompatActivity ,STORAGE_PERMISSION_CODE) The get method uses SQLite select statement to retrieve the saved image and displaying it in the imageview. Further the image is inserted into the table using SQLiteDatabase, Toast is used to indicate the operation is completed. One thing that bothers me is the author uses PostgreSQL for the database, and I. The save method contain FileInputStream to get file from the defined path and save it to the database. 1 Photo by Daiga Ellaby on Unsplash So, today I decided to try a tutorial on Spring Boot with Kotlin (& Gradle). Purchase the fully updated Android Studio Flamingo Kotlin Edition of this publication in eBook or Print format. In this step we open MainActivity and add the functions defined over button onclick i.e save or get. A Kotlin Android SQLite Database Tutorial. Step 4:Open src -> package -> MainActivity.java It provides an abstraction layer over SQLite to. In this code simply add imageview and button with onclick functionality. As a persistent data library, Room is probably the easiest and fastest recommended tool to implement on Android. Step 3:Open res -> layout -> activity_main.xml (or) main.xml and add following code:
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