Thanks Manish for your help , i have finally found the solution . the problem was because of the simple adapter which don't support the bitmap , i have changed it to customer one. thanks for all
2013/4/25 Manish Srivas <[email protected]> > 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 >>>>>>>> >>>>>>>> >>>>>>>> -- >>>>>>>> -- >>>>>>>> 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 >>>>>>>> android-developers+**[email protected] >>>>>>>> For more options, visit this group at >>>>>>>> http://groups.google.com/**group/android-developers?hl=en<http://groups.google.com/group/android-developers?hl=en> >>>>>>>> --- >>>>>>>> You received this message because you are subscribed to the Google >>>>>>>> Groups "Android Developers" group. >>>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>>> send an email to android-developers+**[email protected]. >>>>>>>> For more options, visit >>>>>>>> https://groups.google.com/**groups/opt_out<https://groups.google.com/groups/opt_out> >>>>>>>> . >>>>>>>> >>>>>>>> >>>>>>>> >>>>>>> >>>>>>> >>>>>>> >>>>>>> -- >>>>>>> >>>>>>> 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 >>>>>>> android-developers+**[email protected] >>>>>>> For more options, visit this group at >>>>>>> http://groups.google.com/**group/android-developers?hl=en<http://groups.google.com/group/android-developers?hl=en> >>>>>>> --- >>>>>>> You received this message because you are subscribed to the Google >>>>>>> Groups "Android Developers" group. >>>>>>> To unsubscribe from this group and stop receiving emails from it, >>>>>>> send an email to android-developers+**[email protected]. >>>>>>> For more options, visit >>>>>>> https://groups.google.com/**groups/opt_out<https://groups.google.com/groups/opt_out> >>>>>>> . >>>>>>> >>>>>>> >>>>>>> >>>>>> >>>>>> >>>>> -- >>>> -- >>>> You received this message because you are subscribed to the Google >>>> Groups "Android Developers" group. >>>> To post to this group, send email to >>>> [email protected] >>>> To unsubscribe from this group, send email to >>>> [email protected] >>>> For more options, visit this group at >>>> http://groups.google.com/group/android-developers?hl=en >>>> --- >>>> You received this message because you are subscribed to the Google >>>> Groups "Android Developers" group. >>>> To unsubscribe from this group and stop receiving emails from it, send >>>> an email to [email protected]. >>>> For more options, visit https://groups.google.com/groups/opt_out. >>>> >>>> >>>> >>> >>> >> -- >> -- >> You received this message because you are subscribed to the Google >> Groups "Android Developers" group. >> To post to this group, send email to [email protected] >> To unsubscribe from this group, send email to >> [email protected] >> For more options, visit this group at >> http://groups.google.com/group/android-developers?hl=en >> --- >> You received this message because you are subscribed to the Google Groups >> "Android Developers" group. >> To unsubscribe from this group and stop receiving emails from it, send an >> email to [email protected]. >> For more options, visit https://groups.google.com/groups/opt_out. >> >> >> > > > > -- > > 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 [email protected] > To unsubscribe from this group, send email to > [email protected] > For more options, visit this group at > http://groups.google.com/group/android-developers?hl=en > --- > You received this message because you are subscribed to the Google Groups > "Android Developers" group. > To unsubscribe from this group and stop receiving emails from it, send an > email to [email protected]. > For more options, visit https://groups.google.com/groups/opt_out. > > > -- -- You received this message because 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To post to this group, send email to [email protected] To unsubscribe from this group, send email to [email protected] For more options, visit this group at http://groups.google.com/group/android-developers?hl=en --- You received this message because you are subscribed to the Google Groups "Android Developers" group. To unsubscribe from this group and stop receiving emails from it, send an email to [email protected]. For more options, visit https://groups.google.com/groups/opt_out.
