i try this, but i don't know it will help or not
ImageView img;
Bitmap decodedByte,bit,bmp;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
bit = BitmapFactory.decodeFile("/sdcard/images10.jpeg");
// ByteArrayOutputStream bos = new ByteArrayOutputStream();
// bit.compress(CompressFormat.PNG, 0, bos);
ByteArrayOutputStream byteArrayBitmapStream = new ByteArrayOutputStream();
bit.compress(Bitmap.CompressFormat.JPEG, 100, byteArrayBitmapStream);
byte[] decodedString = byteArrayBitmapStream.toByteArray();
System.out.println("ssssssssssssss"+decodedString);
decodedByte = BitmapFactory.decodeByteArray(decodedString, 0,
decodedString.length);
System.out.println("aaaaaaaaaaaaaaaaaaaaaaa"+decodedString.length);
bmp = Bitmap.createBitmap(decodedByte);
OutputStream stream = null;
try {
stream = new FileOutputStream("/sdcard/test.jpg");
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
bmp.compress(CompressFormat.JPEG, 100, stream);
// map.put(IMAGE,decodedByte);
//System.out.println("bbbbbbbbb"+decodedByte.createBitmap(decodedByte));
// bit = Bitmap.createScaledBitmap(decodedByte, 100, 100,
true);//ateBitmap(decodedByte);
if (decodedByte != null) {
img = (ImageView)findViewById(R.id.img);
/*Bitmap bmp = Bitmap.createBitmap(decodedByte);
OutputStream stream = null;
try {
stream = new FileOutputStream("/sdcard/test.jpg");
} catch (FileNotFoundException e) {
// TODO Auto-generated catch block
e.printStackTrace();
}
bmp.compress(CompressFormat.JPEG, 100, stream);*/
img.setImageURI(Uri.fromFile(new File("/sdcard/test.jpg")));
System.out.println("bitmap is not null");
} else {
System.out.println("bitmap is null");
}
}
On Thu, Apr 25, 2013 at 12:24 AM, asma rezgui <[email protected]>wrote:
> in the logcat i have also seen this message , i didn't understand where is
> the cause
> 04-24 17:48:54.370: I/dalvikvm-heap(1121): Grow heap (frag case) to
> 8.921MB for 448446-byte allocation
>
>
> 2013/4/24 asma rezgui <[email protected]>
>
>> unfortunately i didn't forget it . Thanks
>>
>>
>> 2013/4/24 bob <[email protected]>
>>
>>> It sounds like this returned *null*:
>>>
>>> findViewById(R.id.imageview);
>>>
>>> Maybe you forgot to do a *setContentView*?
>>>
>>> Thanks.
>>>
>>>
>>> On Wednesday, April 24, 2013 12:50:04 PM UTC-5, ASMA wrote:
>>>
>>>> hello, i have followed the steps in this tutorial and the encoding is
>>>> done successfully in the server side. the problem now in the decoding
>>>> in the client side
>>>> this is my code:
>>>> byte[] decodedString = Base64.decode(image, Base64.DEFAULT);
>>>> System.out.println("**ssssssssssssss"+decodedString)**;
>>>> decodedByte = BitmapFactory.decodeByteArray(**decodedString, 0,
>>>> decodedString.length);
>>>>
>>>> System.out.println("**aaaaaaaaaaaaaaaaaaaaaaa"+**
>>>> decodedString.length);
>>>> map.put(IMAGE,decodedByte);
>>>> System.out.println("bbbbbbbbb"**+decodedByte);
>>>>
>>>>
>>>> if (decodedByte != null) {
>>>> img = (ImageView) findViewById(R.id.imageview);
>>>> img.setImageBitmap(**decodedByte);
>>>> System.out.println("bitmap is not null");
>>>> } else {
>>>> System.out.println("bitmap is null");
>>>> }
>>>>
>>>> in the logcat i found null pointer exception in this line
>>>> (img.setImageBitmap(**decodedByte);)
>>>> and no message is shown. does anyone know the reason !!
>>>>
>>>>
>>>> 2013/4/24 asma rezgui <[email protected]>
>>>>
>>>>> thanks Manish Shrivas
>>>>>
>>>>>
>>>>> 2013/4/24 Manish Srivas <[email protected]>
>>>>>
>>>>>> http://myjeeva.com/how-to-**convert-image-to-string-and-**
>>>>>> string-to-image-in-java.html<http://myjeeva.com/how-to-convert-image-to-string-and-string-to-image-in-java.html>
>>>>>>
>>>>>>
>>>>>> On Wed, Apr 24, 2013 at 7:35 PM, asma rezgui <[email protected]>wrote:
>>>>>>
>>>>>>> hii , does anyone know how to solve my problem, i have to convert
>>>>>>> an image from byte[] to base64 to read it in json file and convert it
>>>>>>> back
>>>>>>> from base64 to byte and from byte[] to bitmap to display it in imageview
>>>>>>> in converting it to bitmap , i have this error: ---
>>>>>>> SkImageDecoder::Factory returned null and the byte[]is shown as below
>>>>>>> [B@4059e1a0
>>>>>>> i don t understand where is the problem and if there is the correct
>>>>>>> form of bitmap or not :(
>>>>>>> pleaaase i need help
>>>>>>>
>>>>>>>
>>>>>>> --
>>>>>>> --
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>>>>>>>
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>>>>>>> .
>>>>>>>
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>>
>>>>>> Thanks & Regards,
>>>>>> --------------------------
>>>>>> Manish Shrivas
>>>>>> ADI Soft Tech (P) Ltd.
>>>>>> 54, Anand Nagar, Near Devi Ahilya Hospital,
>>>>>> Chitawad Road ,
>>>>>> INDORE
>>>>>> Mob no. 9907631333
>>>>>> *------------------------*
>>>>>> *[email protected]*
>>>>>> http://www.adisoftin.com/
>>>>>>
>>>>>> --
>>>>>> --
>>>>>> You received this message because you are subscribed to the Google
>>>>>> Groups "Android Developers" group.
>>>>>> To post to this group, send email to android-d...@**googlegroups.com
>>>>>>
>>>>>> To unsubscribe from this group, send email to
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>>>>>> http://groups.google.com/**group/android-developers?hl=en<http://groups.google.com/group/android-developers?hl=en>
>>>>>> ---
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>>>>>> .
>>>>>>
>>>>>>
>>>>>>
>>>>>
>>>>>
>>>> --
>>> --
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>>>
>>
>>
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> --
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--
Thanks & Regards,
--------------------------
Manish Shrivas
ADI Soft Tech (P) Ltd.
54, Anand Nagar, Near Devi Ahilya Hospital,
Chitawad Road ,
INDORE
Mob no. 9907631333
*------------------------*
*[email protected]*
http://www.adisoftin.com/
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