在Android中存储位图图像并从SQLite数据库中检索图像,可以按照以下步骤进行:
ByteArrayOutputStream byteArrayOutputStream = new ByteArrayOutputStream();
bitmap.compress(Bitmap.CompressFormat.PNG, 100, byteArrayOutputStream);
byte[] byteArray = byteArrayOutputStream.toByteArray();
ContentValues contentValues = new ContentValues();
contentValues.put("image_column", byteArray);
database.insert("table_name", null, contentValues);
Cursor cursor = database.query("table_name", new String[]{"image_column"}, null, null, null, null, null);
byte[] byteArray = cursor.getBlob(cursor.getColumnIndex("image_column"));
Bitmap bitmap = BitmapFactory.decodeByteArray(byteArray, 0, byteArray.length);
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