![]() ![]() Toast.makeText(this,"Done", Toast.LENGTH_SHORT). I want to show images in my customlistview from my sqlite database.I successfully converted an array of bitmap images,and wrote code for converting back to bitmap images.But images are not showing off.I am using SqliteDatabaseHelper class to insert images to database.All other values except images are displaying. 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 string representation of the image will be much larger than the binary representation. Im not sure that I, personally, would store the image as a base64-encoded string. The get method uses SQLite select statement to retrieve the saved image and displaying it in the imageview. To load and save more than one image, you would need to insert an ID field into the table, and then use a where clause on your SQL select statement. This creates an instance of the database. Further the image is inserted into the table using SQLiteDatabase, Toast is used to indicate the operation is completed. getWritableDatabase () and paste it inside the new method you just created. ![]() The save method contain FileInputStream to get file from the defined path and save it to the database. In this step we open MainActivity and add the functions defined over button onclick i.e save or get. How to Store and Retrieve Image from SQLite in Android. Step 4:Open src -> package -> MainActivity.java How to insert image and retrieve in sqlite database Android Studio. In this code simply add imageview and button with onclick functionality. Step 3:Open res -> layout -> activity_main.xml (or) main.xml and add following code: String picturePath '' File internalStorage mContext.getDir ( 'ReportPictures', Context. If you really, really want to you can use a very long hex literal as a blob literal: insert into memes (img, name) values (X0102030405060708090a0b0c0d0e0f, 1. ![]()
0 Comments
Leave a Reply. |
AuthorWrite something about yourself. No need to be fancy, just an overview. ArchivesCategories |