Databases
StackOverflow2013
Postsdbo
PO
 

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    <p>in the DBAdaper i.e Data Base helper class declare the table like this</p> <pre><code> private static final String USERDETAILS= "create table userdetails(usersno integer primary key autoincrement,userid text not null ,username text not null,password text not null,photo BLOB,visibility text not null);"; </code></pre> <p>insert the values like this,</p> <p>first convert the images as byte[]</p> <pre><code>ByteArrayOutputStream baos = new ByteArrayOutputStream(); Bitmap bitmap = ((BitmapDrawable)getResources().getDrawable(R.drawable.common)).getBitmap(); bitmap.compress(Bitmap.CompressFormat.PNG, 100, baos); byte[] photo = baos.toByteArray(); db.insertUserDetails(value1,value2, value3, photo,value2); </code></pre> <p>in DEAdaper class</p> <pre><code> public long insertUserDetails(String uname,String userid, String pass, byte[] photo,String visibility) { ContentValues initialValues = new ContentValues(); initialValues.put("username", uname); initialValues.put("userid",userid); initialValues.put("password", pass); initialValues.put("photo",photo); initialValues.put("visibility",visibility); return db.insert("userdetails", null, initialValues); } </code></pre> <p>retrieve the image as follows</p> <pre><code>Cursor cur=your query; while(cur.moveToNext()) { byte[] photo=cur.getBlob(index of blob cloumn); } </code></pre> <p>convert the byte[] into image</p> <pre><code>ByteArrayInputStream imageStream = new ByteArrayInputStream(photo); Bitmap theImage= BitmapFactory.decodeStream(imageStream); </code></pre> <p>I think this content may solve your problem</p>
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    1. POhow to store Image as blob in Sqlite & how to retrieve it?
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    1. USBalaji.K
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    1. COfirst check whether you retrieved the byte[] from cursor or not,using imageByteArray.length variable
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      1. USBalaji.K
    2. COcheck byte[] length i.e photo.lenght. If the value is greater than zero,then surely you will get the correct bitmap. If the length is zero,then check ur query.
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      1. USBalaji.K
    3. CO"System.out.println(">>>>>>>>>>> "+imageByteArray.length);" what it prints
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      1. USBalaji.K
 

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