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POImage not displayed in an imageView after converting a blob to bitmap
 

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  1. POImage not displayed in an imageView after converting a blob to bitmap
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    <p>As I mentioned in the title my image is not displayed in the imageView. I have included a title and description along with the image and both are displayed properly in textViews. </p> <pre><code> // RetrieveImage(); if(databaseExists()){ displayToast("Database exists"); db = SQLiteDatabase.openDatabase(myPath, null,SQLiteDatabase.OPEN_READONLY); if(db != null){ c = db.rawQuery("SELECT image,title,description FROM Images WHERE _Id =?",new String[]{"1"},null); if (c != null ) { if(c.moveToFirst()){ img = c.getBlob(1); title = c.getString(1); description = c.getString(1); txt1.setText(title); txt2.setText(title); ByteArrayInputStream imageStream=ByteArrayInputStream(img); Bitmap bm = BitmapFactory.decodeStream(imageStream); imgView.setImageBitmap(bm); }}} </code></pre> <p>I know it would be a simple mistake but please help me to detect that mistake. </p> <p>Edit: I have attached the code snippet which insert image to database</p> <pre><code> yourSelectedImage = BitmapFactory.decodeFile(filePath); ImageView img1 = (ImageView) findViewById(R.id.imageView1); img1.setImageBitmap(yourSelectedImage); ByteArrayOutputStream bos=new ByteArrayOutputStream(); yourSelectedImage.compress(Bitmap.CompressFormat.PNG, 100, bos); img =bos.toByteArray(); private void handleDB() { try { String myPath = DB_PATH + DATABASE_NAME; //open database in read and write mode checkDB = SQLiteDatabase.openDatabase(myPath, null,SQLiteDatabase.OPEN_READWRITE); if(checkDB!=null){ ContentValues contentValues = new ContentValues(); contentValues.put("myid", myId ); contentValues.put("image", img); contentValues.put("title", caption); contentValues.put("description", description); database.insert("Images", null,contentValues); } } catch(SQLiteException se ){ Log.e(getClass().getSimpleName(), "Could not create or Open the database"); } } public void createDBFields(){ database = openOrCreateDatabase(DATABASE_NAME, MODE_PRIVATE, null); database.execSQL("CREATE TABLE IF NOT EXISTS Images ( _id INTEGER PRIMARY KEY, "+"myid nvarchar(50)," +"image BLOB," + "title nvarchar(50)," + "description nvarchar(50));"); }//createDBFields close </code></pre>
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
    1. PTQuestion
    1. USRobert
    1. USRobert
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    1. This table or related slice is empty.
    1. This table or related slice is empty.
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    1. COprobably your img byte array is not an encoded image.
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      1. POImage not displayed in an imageView after converting a blob to bitmap
      1. USnjzk2
    2. COThis will not show title & description properly, your indices in c.getXXX() are all the same! How do you insert the images? What is the size of the images?
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      1. POImage not displayed in an imageView after converting a blob to bitmap
      1. USMichael
    3. CO@Michael, You are right. It shows same value. But when I add correct indices such as `img=c.getBlob(3)`, `title=c.getString(4)`or change `img = c.getBlob(c.getColumnIndex("image"))` it stopped working.
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      1. POImage not displayed in an imageView after converting a blob to bitmap
      1. USRobert
 

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