java - OutOfMemoryError while decoding and encoding Base64 String into Bitmap - Stack Overflow
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I'm trying to decode and encode a Bitmap image. On some devices it runs perfectly while on others it's not. I'm uploading Base64
String to the server and getting Base64 String from the server. I've found various solutions but still am not able to solve my issue. Here's my code:
button1.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
Intent i = new Intent(
Intent.ACTION_PICK,
android.provider.MediaStore.Images.Media.EXTERNAL_CONTENT_URI);
getActivity().startActivityForResult(i, RESULT_LOAD_IMAGE);
//Image loading from Gallery
public void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
if (requestCode == RESULT_LOAD_IMAGE && resultCode == RESULT_OK
&& null != data) {
Uri selectedImage = data.getData();
String[] filePathColumn = { MediaStore.Images.Media.DATA };
Cursor cursor = getContentResolver().query(selectedImage,
filePathColumn, null, null, null);
cursor.moveToFirst();
int columnIndex = cursor.getColumnIndex(filePathColumn[0]);
picturePath = cursor.getString(columnIndex);
cursor.close();
imageView1.setImageBitmap(BitmapFactory.decodeFile(picturePath));
if (picturePath != null && !TextUtils.isEmpty(picturePath)) {
BitmapFactory.Options options = new BitmapFactory.Options();
options.inPreferredConfig = Bitmap.Config.ARGB_8888;
Bitmap bitmap = BitmapFactory.decodeFile(picturePath, options);
base64ImageSend = ImageBase64.encodeTobase64(bitmap);
Log.i("Base 64 Image", base64ImageSend);
base64ImageSend = "";
private String base64StringReceive = "/9j/4AAQSkZJRgABAQAAAQABAAD/2wBDAAEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEB AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQH/2wBDAQEBAQEBAQEBAQEBAQEBAQEBAQEB AQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQEBAQH/wAARCADhAOEDASIA AhEBAxEB/8QAHwAAAQUBAQEBAQEAAAAAAAAAAAECAwQFBgcICQoL/8QAtRAAAgEDAwIEAwUFBAQA AAF9AQIDAAQRBRIhMUEGE1FhByJxFDKBkaEII0KxwRVS0fAkM2JyggkKFhcYGRolJicoKSo0NTY3 ODk6Q0RFRkdISUpTVFVWV1hZWmNkZWZnaGlqc3R1dnd4eXqDhIWGh4iJipKTlJWWl5iZmqKjpKWm p6ipqrKztLW2t7i5usLDxMXGx8jJytLT1NXW19jZ2uHi4+Tl5ufo6erx8vP09fb3+Pn6/8QAHwEA AwEBAQEBAQEBAQAAAAAAAAECAwQFBgcICQoL/8QAtREAAgECBAQDBAcFBAQAAQJ3AAECAxEEBSEx BhJBUQdhcRMiMoEIFEKRobHBCSMzUvAVYnLRChYkNOEl8RcYGRomJygpKjU2Nzg5OkNERUZHSElK U1RVVldYWVpjZGVmZ2hpanN0dXZ3eHl6goOEhYaHiImKkpOUlZaXmJmaoqOkpaanqKmqsrO0tba3 uLm6wsPExcbHyMnK0tPU1dbX2Nna4uPk5ebn6Onq8vP09fb3+Pn6/9oADAMBAAIRAxEAPwD+/iii igAooooAKKKKACiiigAooriPH/xB8GfC7wd4i+IPj3XbHw54T8J6e+p+INe1BilnYaerFWkdgc8n 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button2.setOnClickListener(new OnClickListener() {
public void onClick(View v) {
// TODO Auto-generated method stub
Bitmap bitmap = ImageBase64.decodeBase64(base64StringReceive,MainActivity.this);
imageView2.setImageBitmap(bitmap);
ImageBase64.java:
import java.io.ByteArrayOutputS
import android.graphics.B
import android.graphics.BitmapF
import android.util.Base64;
import android.util.L
public static String encodeTobase64(Bitmap image) {
ByteArrayOutputStream baos=new
ByteArrayOutputStream();
pressFormat.JPEG,100, baos);
byte [] b=baos.toByteArray();
String temp=
System.gc();
temp=Base64.encodeToString(b, Base64.DEFAULT);
}catch(Exception e){
e.printStackTrace();
}catch(OutOfMemoryError e){
ByteArrayOutputStream();
pressFormat.JPEG,50, baos);
b=baos.toByteArray();
temp=Base64.encodeToString(b, Base64.DEFAULT);
Log.e("EWN", "Out of memory error catched");
public static Bitmap decodeBase64(String input,Context context) {
byte[] decodedByte = Base64.decode(input, 0);
Boolean isSDPresent = android.os.Environment
.getExternalStorageState().equals(
android.os.Environment.MEDIA_MOUNTED);
File sdCardD
if (isSDPresent) {
// yes SD-card is present
sdCardDirectory = new File(
Environment
.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),
"myFile");
if (!sdCardDirectory.exists()) {
if (!sdCardDirectory.mkdirs()) {
Log.d("MySnaps", "failed to create directory");
sdCardDirectory = new File(context.getCacheDir(),"");
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss")
.format(new Date());
Random rand = new Random();
// nextInt is normally exclusive of the top value,
// so add 1 to make it inclusive
int randomNum = rand.nextInt((1000 - 0) + 1) + 0;
String nw = "IMG_" + timeStamp + randomNum+".jpg";// also tried .txt as file extension
File image = new File(sdCardDirectory, nw);
// Encode the file as a PNG image.
FileOutputStream outS
outStream = new FileOutputStream(image);
outStream.write(input.getBytes());
outStream.flush();
outStream.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
Log.i("Compress bitmap path", image.getPath());
return decodeFile(image); // BitmapFactory.decodeByteArray(decodedByte, 0, decodedByte.length);
private static Bitmap decodeFile(File f){
//Decode image size
BitmapFactory.Options o = new BitmapFactory.Options();
o.inJustDecodeBounds =
BitmapFactory.decodeStream(new FileInputStream(f),null,o);
//The new size we want to scale to
final int REQUIRED_SIZE=70;
//Find the correct scale value. It should be the power of 2.
int scale=1;
while(o.outWidth/scale&=REQUIRED_SIZE && o.outHeight/scale&=REQUIRED_SIZE)
//Decode with inSampleSize
BitmapFactory.Options o2 = new BitmapFactory.Options();
o2.inSampleSize=
return BitmapFactory.decodeStream(new FileInputStream(f), null, o2);
} catch (FileNotFoundException e) {}
Error Stack:
java.lang.OutOfMemoryError
at android.graphics.BitmapFactory.nativeDecodeByteArray(Native Method)
at android.graphics.BitmapFactory.decodeByteArray(BitmapFactory.java:510)
at android.graphics.BitmapFactory.decodeByteArray(BitmapFactory.java:533)
at com.utility.ImageBase64.decodeBase64(ImageBase64.java:32)
at com.activity.HomeFragment.onCreateView(HomeFragment.java:138)
at android.app.Fragment.performCreateView(Fragment.java:1700)
at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:890)
at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1062)
at android.app.BackStackRecord.popFromBackStack(BackStackRecord.java:773)
at android.app.FragmentManagerImpl.popBackStackState(FragmentManager.java:1498)
at android.app.FragmentManagerImpl.popBackStackImmediate(FragmentManager.java:495)
at android.app.Activity.onBackPressed(Activity.java:2232)
at com.activity.MainActivity.onBackPressed(MainActivity.java:534)
at android.app.Activity.onKeyUp(Activity.java:2210)
at android.view.KeyEvent.dispatch(KeyEvent.java:2664)
at android.app.Activity.dispatchKeyEvent(Activity.java:2440)
at com.android.internal.policy.impl.PhoneWindow$DecorView.dispatchKeyEvent(PhoneWindow.java:1962)
at android.view.ViewRootImpl$ViewPostImeInputStage.processKeyEvent(ViewRootImpl.java:3884)
at android.view.ViewRootImpl$ViewPostImeInputStage.onProcess(ViewRootImpl.java:3858)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3426)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3476)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3445)
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3552)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3453)
at android.view.ViewRootImpl$AsyncInputStage.apply(ViewRootImpl.java:3609)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3426)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3476)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3445)
at android.view.ViewRootImpl$InputStage.apply(ViewRootImpl.java:3453)
at android.view.ViewRootImpl$InputStage.deliver(ViewRootImpl.java:3426)
at android.view.ViewRootImpl$InputStage.onDeliverToNext(ViewRootImpl.java:3476)
at android.view.ViewRootImpl$InputStage.forward(ViewRootImpl.java:3445)
at android.view.ViewRootImpl$AsyncInputStage.forward(ViewRootImpl.java:3585)
at android.view.ViewRootImpl$ImeInputStage.onFinishedInputEvent(ViewRootImpl.java:3750)
at android.view.inputmethod.InputMethodManager$PendingEvent.run(InputMethodManager.java:2027)
at android.view.inputmethod.InputMethodManager.invokeFinishedInputEventCallback(InputMethodManager.java:1721)
at android.view.inputmethod.InputMethodManager.finishedInputEvent(InputMethodManager.java:1712)
at android.view.inputmethod.InputMethodManager$ImeInputEventSender.onInputEventFinished(InputMethodManager.java:2004)
at android.view.InputEventSender.dispatchInputEventFinished(InputEventSender.java:141)
at android.os.MessageQueue.nativePollOnce(Native Method)
at android.os.MessageQueue.next(MessageQueue.java:138)
at android.os.Looper.loop(Looper.java:123)
at android.app.ActivityThread.main(ActivityThread.java:5050)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:806)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:622)
at dalvik.system.NativeStart.main(Native Method)
I'm also getting this error too in some devices:
java.lang.OutOfMemoryError: Failed to allocate a
byte allocation with 994361 free bytes and 971KB until OOM
at dalvik.system.VMRuntime.newNonMovableArray(Native Method)
at android.graphics.BitmapFactory.nativeDecodeByteArray(Native Method)
at android.graphics.BitmapFactory.decodeByteArray(BitmapFactory.java:655)
at android.graphics.BitmapFactory.decodeByteArray(BitmapFactory.java:678)
at com.myapp.utility.ImageBase64.decodeBase64(ImageBase64.java:53)
at com.myapp.activity.DetailProfileFragment.onCreateView(DetailProfileFragment.java:103)
at android.app.Fragment.performCreateView(Fragment.java:2114)
at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:904)
at android.app.FragmentManagerImpl.moveToState(FragmentManager.java:1082)
at android.app.BackStackRecord.run(BackStackRecord.java:833)
at android.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1467)
at android.app.FragmentManagerImpl$1.run(FragmentManager.java:452)
at android.os.Handler.handleCallback(Handler.java:739)
at android.os.Handler.dispatchMessage(Handler.java:95)
at android.os.Looper.loop(Looper.java:145)
at android.app.ActivityThread.main(ActivityThread.java:5944)
at java.lang.reflect.Method.invoke(Native Method)
at java.lang.reflect.Method.invoke(Method.java:372)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:1389)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:1184)
Solutions that I have already tried are:
3,29711223
When showing Bitmap in ImageView from a file first decode it with the help of BitmapHelper.decodeFile(picturePath, 200, 200, true) this will return compressed Bitmap so that while encoding this Bitmap you can handle high resolution images as well as heavy size images upto 100 MB of file.
After decoding file set it to your ImageView and to get Base64 String form above compressed image using BitmapHelper get Bitmap from your ImageView (i.e. already been compressed) and use ImageBase64.encodeTobase64(bitmap) this will again compress the file and make handle OutOfMemory exception while Encoding a Bitmap.
For decoding first write your Base64String to file in your device memory. Then read Bytes in chunks and decode that ByteArray by this you will have your bitmap in your memory. After this scale down this bitmap using decodeFile() method then you will have compressed Bitmap from Base64String
I have searched various blogs and post and from them I have taken best suitable code and combined them into one to make more reliable. Try below code to make encoding and decoding more faster with meory management.
To decode Base64String
Bitmap bitmap = ImageBase64.decodeBase64(base64ImageStr,MainActivity.this);
imageView.setImageBitmap(bitmap);
System.gc();
To encode Bitmap Try this:
imageView.setImageBitmap(BitmapHelper.decodeFile(picturePath, 200, 200, true));
Bitmap bitmap = ((BitmapDrawable)imageView.getDrawable()).getBitmap();
base64ImageStr = ImageBase64.encodeTobase64(bitmap);
Try This code for ImageBase64
public class ImageBase64 {
private ImageBase64() {
private static Context appC
public static String encodeTobase64(Bitmap image) {
ByteArrayOutputStream baos=new
ByteArrayOutputStream();
pressFormat.JPEG,100, baos);
byte [] b=baos.toByteArray();
String temp=
System.gc();
temp=Base64.encodeToString(b, Base64.DEFAULT);
}catch(Exception e){
e.printStackTrace();
}catch(OutOfMemoryError e){
ByteArrayOutputStream();
pressFormat.JPEG,50, baos);
b=baos.toByteArray();
temp=Base64.encodeToString(b, Base64.DEFAULT);
Log.e("EWN", "Out of memory error catched");
public static Bitmap decodeBase64(String input,Context context) {
byte[] decodedByte = Base64.decode(input, 0);
appContext =
Boolean isSDPresent = android.os.Environment
.getExternalStorageState().equals(
android.os.Environment.MEDIA_MOUNTED);
File sdCardD
if (isSDPresent) {
// yes SD-card is present
sdCardDirectory = new File(
Environment
.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),
if (!sdCardDirectory.exists()) {
if (!sdCardDirectory.mkdirs()) {
Log.d("MySnaps", "failed to create directory");
sdCardDirectory = new File(context.getCacheDir(),"");
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss")
.format(new Date());
Random rand = new Random();
// nextInt is normally exclusive of the top value,
// so add 1 to make it inclusive
int randomNum = rand.nextInt((1000 - 0) + 1) + 0;
String nw = "IMG_" + timeStamp + randomNum+".txt";
File image = new File(sdCardDirectory, nw);
// Encode the file as a PNG image.
FileOutputStream outS
outStream = new FileOutputStream(image);
outStream.write(input.getBytes());
outStream.flush();
outStream.close();
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
Log.i("Compress bitmap path", image.getPath());
bitmap = BitmapFactory.decodeByteArray(decodedByte, 0, decodedByte.length);
}catch(OutOfMemoryError e){
e.printStackTrace();
InputStream is = context.getResources().openRawResource(R.drawable.default_profile_pic);
= BitmapFactory.decodeStream(is);
}catch (Exception e) {
// TODO: handle exception
e.printStackTrace();
//BitmapFactory.decodeByteArray(decodedByte, 0, decodedByte.length);
//return decodeFile(image);
private static Bitmap decodeFile(File f){
//Decode image size
BitmapFactory.Options o = new BitmapFactory.Options();
o.inJustDecodeBounds =
BitmapFactory.decodeStream(new FileInputStream(f),null,o);
//The new size we want to scale to
final int REQUIRED_SIZE=70;
//Find the correct scale value. It should be the power of 2.
int scale=1;
while(o.outWidth/scale&=REQUIRED_SIZE && o.outHeight/scale&=REQUIRED_SIZE)
//Decode with inSampleSize
BitmapFactory.Options o2 = new BitmapFactory.Options();
o2.inSampleSize=
Bitmap bmp = BitmapFactory.decodeStream(new FileInputStream(f), null, o2);
Boolean isSDPresent = android.os.Environment
.getExternalStorageState().equals(
android.os.Environment.MEDIA_MOUNTED);
File sdCardD
if (isSDPresent) {
// yes SD-card is present
sdCardDirectory = new File(
Environment
.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES),
if (!sdCardDirectory.exists()) {
if (!sdCardDirectory.mkdirs()) {
Log.d("MySnaps", "failed to create directory");
sdCardDirectory = new File(appContext.getCacheDir(),"");
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss")
.format(new Date());
Random rand = new Random();
// nextInt is normally exclusive of the top value,
// so add 1 to make it inclusive
int randomNum = rand.nextInt((1000 - 0) + 1) + 0;
String nw = "IMG_" + timeStamp + randomNum+".png";
File image = new File(sdCardDirectory, nw);
FileOutputStream out =
out = new FileOutputStream(image);
pressFormat.PNG, 100, out); // bmp is your Bitmap instance
// PNG is a lossless format, the compression factor (100) is ignored
} catch (Exception e) {
e.printStackTrace();
} finally {
if (out != null) {
out.close();
} catch (IOException e) {
e.printStackTrace();
String pathNew =compressImage(image.getAbsolutePath());
Uri uri = Uri.parse(pathNew);
Bitmap bitmap=
= MediaStore.Images.Media.getBitmap(appContext.getContentResolver(),uri);
} catch (IOException e) {
// TODO Auto-generated catch block
e.printStackTrace();
} catch (FileNotFoundException e) {}
public static String compressImage(String imageUri) {
String filePath = imageU//getRealPathFromURI(imageUri);
Bitmap scaledBitmap =
BitmapFactory.Options options = new BitmapFactory.Options();
by setting this field as true, the actual bitmap pixels are not loaded in the memory. Just the bounds are loaded. If
you try the use the bitmap here, you will get null.
options.inJustDecodeBounds =
Bitmap bmp = BitmapFactory.decodeFile(filePath, options);
int actualHeight = options.outH
int actualWidth = options.outW
max Height and width values of the compressed image is taken as 816x612
float maxHeight = 816.0f;
float maxWidth = 612.0f;
float imgRatio = actualWidth / actualH
float maxRatio = maxWidth / maxH
width and height values are set maintaining the aspect ratio of the image
if (actualHeight & maxHeight || actualWidth & maxWidth) {
if (imgRatio & maxRatio) {
imgRatio = maxHeight / actualH
actualWidth = (int) (imgRatio * actualWidth);
actualHeight = (int) maxH
} else if (imgRatio & maxRatio) {
imgRatio = maxWidth / actualW
actualHeight = (int) (imgRatio * actualHeight);
actualWidth = (int) maxW
actualHeight = (int) maxH
actualWidth = (int) maxW
setting inSampleSize value allows to load a scaled down version of the original image
options.inSampleSize = calculateInSampleSize(options, actualWidth, actualHeight);
inJustDecodeBounds set to false to load the actual bitmap
options.inJustDecodeBounds =
this options allow android to claim the bitmap memory if it runs low on memory
options.inPurgeable =
options.inInputShareable =
options.inTempStorage = new byte[16 * 1024];
load the bitmap from its path
bmp = BitmapFactory.decodeFile(filePath, options);
} catch (OutOfMemoryError exception) {
exception.printStackTrace();
scaledBitmap = Bitmap.createBitmap(actualWidth, actualHeight,Bitmap.Config.ARGB_8888);
} catch (OutOfMemoryError exception) {
exception.printStackTrace();
float ratioX = actualWidth / (float) options.outW
float ratioY = actualHeight / (float) options.outH
float middleX = actualWidth / 2.0f;
float middleY = actualHeight / 2.0f;
Matrix scaleMatrix = new Matrix();
scaleMatrix.setScale(ratioX, ratioY, middleX, middleY);
Canvas canvas = new Canvas(scaledBitmap);
canvas.setMatrix(scaleMatrix);
canvas.drawBitmap(bmp, middleX - bmp.getWidth() / 2, middleY - bmp.getHeight() / 2, new Paint(Paint.FILTER_BITMAP_FLAG));
check the rotation of the image and display it properly
exif = new ExifInterface(filePath);
int orientation = exif.getAttributeInt(
ExifInterface.TAG_ORIENTATION, 0);
Log.d("EXIF", "Exif: " + orientation);
Matrix matrix = new Matrix();
if (orientation == 6) {
matrix.postRotate(90);
Log.d("EXIF", "Exif: " + orientation);
} else if (orientation == 3) {
matrix.postRotate(180);
Log.d("EXIF", "Exif: " + orientation);
} else if (orientation == 8) {
matrix.postRotate(270);
Log.d("EXIF", "Exif: " + orientation);
scaledBitmap = Bitmap.createBitmap(scaledBitmap, 0, 0,
scaledBitmap.getWidth(), scaledBitmap.getHeight(), matrix,
} catch (IOException e) {
e.printStackTrace();
FileOutputStream out =
String filename = getFilename();
out = new FileOutputStream(filename);
write the compressed bitmap at the destination specified by filename.
pressFormat.JPEG, 80, out);
} catch (FileNotFoundException e) {
e.printStackTrace();
public static int calculateInSampleSize(BitmapFactory.Options options, int reqWidth, int reqHeight) {
final int height = options.outH
final int width = options.outW
int inSampleSize = 1;
if (height & reqHeight || width & reqWidth) {
final int heightRatio = Math.round((float) height/ (float) reqHeight);
final int widthRatio = Math.round((float) width / (float) reqWidth);
inSampleSize = heightRatio & widthRatio ? heightRatio : widthR
final float totalPixels = width *
final float totalReqPixelsCap = reqWidth * reqHeight * 2;
while (totalPixels / (inSampleSize * inSampleSize) & totalReqPixelsCap) {
inSampleSize++;
return inSampleS
public static String getFilename() {
/*File file = new File(Environment.getExternalStorageDirectory().getPath(), "IMG/Images");
if (!file.exists()) {
file.mkdirs();
String uriSting = (file.getAbsolutePath() + "/" + System.currentTimeMillis() + ".jpg");
Boolean isSDPresent = android.os.Environment
.getExternalStorageState().equals(
android.os.Environment.MEDIA_MOUNTED);
File sdCardD
if (isSDPresent) {
// yes SD-card is present
sdCardDirectory = new File(
Environment
.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).getPath(),
"IMG/Images");
if (!sdCardDirectory.exists()) {
if (!sdCardDirectory.mkdirs()) {
Log.d("MySnaps", "failed to create directory");
sdCardDirectory = new File(appContext.getCacheDir(),"");
String timeStamp = new SimpleDateFormat("yyyyMMdd_HHmmss")
.format(new Date());
Random rand = new Random();
// nextInt is normally exclusive of the top value,
// so add 1 to make it inclusive
int randomNum = rand.nextInt((1000 - 0) + 1) + 0;
String nw = "img_" + timeStamp + randomNum+".jpg";
File image = new File(sdCardDirectory, nw);
String uriSting1 = (sdCardDirectory.getAbsolutePath() + "/" + nw);//System.currentTimeMillis() + ".jpg");
return uriSting1;
Add this class to handle heavy images
public class BitmapHelper
//decodes image and scales it to reduce memory consumption
public static Bitmap decodeFile(String bitmapFile, int requiredWidth, int requiredHeight, boolean quickAndDirty)
//Decode image size
BitmapFactory.Options bitmapSizeOptions = new BitmapFactory.Options();
bitmapSizeOptions.inJustDecodeBounds =
BitmapFactory.decodeStream(new FileInputStream(bitmapFile), null, bitmapSizeOptions);
// load image using inSampleSize adapted to required image size
BitmapFactory.Options bitmapDecodeOptions = new BitmapFactory.Options();
bitmapDecodeOptions.inTempStorage = new byte[16 * 1024];
bitmapDecodeOptions.inSampleSize = computeInSampleSize(bitmapSizeOptions, requiredWidth, requiredHeight, false);
bitmapDecodeOptions.inPurgeable =
bitmapDecodeOptions.inDither = !quickAndD
bitmapDecodeOptions.inPreferredConfig = quickAndDirty ? Bitmap.Config.RGB_565 : Bitmap.Config.ARGB_8888;
Bitmap decodedBitmap = BitmapFactory.decodeStream(new FileInputStream(bitmapFile), null, bitmapDecodeOptions);
// scale bitmap to mathc required size (and keep aspect ratio)
float srcWidth = (float) bitmapDecodeOptions.outW
float srcHeight = (float) bitmapDecodeOptions.outH
float dstWidth = (float) requiredW
float dstHeight = (float) requiredH
float srcAspectRatio = srcWidth / srcH
float dstAspectRatio = dstWidth / dstH
// recycleDecodedBitmap is used to know if we must recycle intermediary 'decodedBitmap'
// (DO NOT recycle it right away: wait for end of bitmap manipulation process to avoid
// java.lang.RuntimeException: Canvas: trying to use a recycled bitmap android.graphics.Bitmap@416ee7d8
// I do not excatly understand why, but this way it's OK
boolean recycleDecodedBitmap =
Bitmap scaledBitmap = decodedB
if (srcAspectRatio & dstAspectRatio)
scaledBitmap = getScaledBitmap(decodedBitmap, (int) dstWidth, (int) (srcHeight * (dstWidth / srcWidth)));
// will recycle recycleDecodedBitmap
recycleDecodedBitmap =
else if (srcAspectRatio & dstAspectRatio)
scaledBitmap = getScaledBitmap(decodedBitmap, (int) (srcWidth * (dstHeight / srcHeight)), (int) dstHeight);
recycleDecodedBitmap =
// crop image to match required image size
int scaledBitmapWidth = scaledBitmap.getWidth();
int scaledBitmapHeight = scaledBitmap.getHeight();
Bitmap croppedBitmap = scaledB
if (scaledBitmapWidth & requiredWidth)
int xOffset = (scaledBitmapWidth - requiredWidth) / 2;
croppedBitmap = Bitmap.createBitmap(scaledBitmap, xOffset, 0, requiredWidth, requiredHeight);
scaledBitmap.recycle();
else if (scaledBitmapHeight & requiredHeight)
int yOffset = (scaledBitmapHeight - requiredHeight) / 2;
croppedBitmap = Bitmap.createBitmap(scaledBitmap, 0, yOffset, requiredWidth, requiredHeight);
scaledBitmap.recycle();
if (recycleDecodedBitmap)
decodedBitmap.recycle();
decodedBitmap =
scaledBitmap =
return croppedB
catch (Exception ex)
ex.printStackTrace();
* compute powerOf2 or exact scale to be used as {@link BitmapFactory.Options#inSampleSize} value (for subSampling)
* @param requiredWidth
* @param requiredHeight
* @param powerOf2
weither we want a power of 2 sclae or not
public static int computeInSampleSize(BitmapFactory.Options options, int dstWidth, int dstHeight, boolean powerOf2)
int inSampleSize = 1;
// Raw height and width of image
final int srcHeight = options.outH
final int srcWidth = options.outW
if (powerOf2)
//Find the correct scale value. It should be the power of 2.
int tmpWidth = srcWidth, tmpHeight = srcH
while (true)
if (tmpWidth / 2 & dstWidth || tmpHeight / 2 & dstHeight)
tmpWidth /= 2;
tmpHeight /= 2;
inSampleSize *= 2;
// Calculate ratios of height and width to requested height and width
final int heightRatio = Math.round((float) srcHeight / (float) dstHeight);
final int widthRatio = Math.round((float) srcWidth / (float) dstWidth);
// Choose the smallest ratio as inSampleSize value, this will guarantee
// a final image with both dimensions larger than or equal to the
// requested height and width.
inSampleSize = heightRatio & widthRatio ? heightRatio : widthR
return inSampleS
public static Bitmap drawableToBitmap(Drawable drawable)
if (drawable instanceof BitmapDrawable)
return ((BitmapDrawable) drawable).getBitmap();
Bitmap bitmap = Bitmap.createBitmap(drawable.getIntrinsicWidth(), drawable.getIntrinsicHeight(), Config.ARGB_8888);
Canvas canvas = new Canvas(bitmap);
drawable.setBounds(0, 0, canvas.getWidth(), canvas.getHeight());
drawable.draw(canvas);
public static Bitmap getScaledBitmap(Bitmap bitmap, int newWidth, int newHeight)
int width = bitmap.getWidth();
int height = bitmap.getHeight();
float scaleWidth = ((float) newWidth) /
float scaleHeight = ((float) newHeight) /
// CREATE A MATRIX FOR THE MANIPULATION
Matrix matrix = new Matrix();
// RESIZE THE BIT MAP
matrix.postScale(scaleWidth, scaleHeight);
// RECREATE THE NEW BITMAP
Bitmap resizedBitmap = Bitmap.createBitmap(bitmap, 0, 0, width, height, matrix, false);
return resizedB
2,21141439
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I would suggest you to:
If you receiving it from a server (I suppose you use xml-based protocol) - use SAX parser.
Don't load whole base64 string in to memory. Use InputStream to load portion of it in to byte[], then decode it and store it in a cache file via FileOutputStream.
If your image could be potentially large - use
to get aware of it's size before loading in to memory. UPD. I noticed you are using it already.
Your decodeBase64 holds String input input parameter in stack, byte[] decodedByte and return BitmapFactory.decodeStream(new FileInputStream(f), null, o2) at the end. As the simplest solution you can null them just after they are used (string and byte array).
1,21431435
Try With this pseudo code:
Let me know if you have any questions
Bitmap bmp = (Bitmap) data.getExtras().get("data");
img.setImageBitmap(bmp);
btnadd.requestFocus();
ByteArrayOutputStream baos = new ByteArrayOutputStream();
pressFormat.JPEG, 100, baos);
byte[] b = baos.toByteArray();
encodedImageString = Base64.encodeToString(b, Base64.DEFAULT);
byte[] bytarray = Base64.decode(encodedImageString, Base64.DEFAULT);
Bitmap bmimage = BitmapFactory.decodeByteArray(bytarray, 0,
bytarray.length);
As greenapps suggested, it would be better to avoid using Bitmap and BitmapFactory in order to TRANSMIT the file:
FileInputStream fis = new FileInputStream(imageFile);
byte[] byteArray = inputStreamToByteArray(fis);
String base64ImageSend = Base64.encodeToString(byteArray, Base64.NO_WRAP);
* Convert an InputStream object into a byte array
* @param inputStream The InputStream to convert
* @return The byte[] representing the converted InputStream or null if the inputStream is null
public static byte[] inputStreamToByteArray(InputStream inputStream) throws IOException {
if(inputStream==null) {
ByteArrayOutputStream byteBuffer = new ByteArrayOutputStream();
int bufferSize = 1024;
byte[] buffer = new byte[bufferSize];
int len = 0;
while ((len = inputStream.read(buffer)) != -1) {
byteBuffer.write(buffer, 0, len);
return byteBuffer.toByteArray();
Actually the outOfMemory problem, as stated by Kai, is due to the fact that you are decoding a full resolution and high quality image. The better way to avoid this is to downsampling your image:
* Decode a file, representing an image, into a bitmap, trying to scale the original image if required
* @param context The application context
* @param file The image file
* @param requestedWidth The requested width
* @param requestedHeight The requested height
* @return The decoded bitmap or null if it is not possible to decode the file parameter
public static Bitmap decodeImageFileIntoMutableBitmap(Context context, File file, int requestedWidth, int requestedHeight) {
BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds = // just compute size, don't create bitmap
BitmapFactory.decodeFile(file.getAbsolutePath(), options);
float sampleSize = computeImageScaleCoefficient(options, requestedWidth, requestedHeight);
if (sampleSize == -1) {
else if (sampleSize &= 1) {
options.inSampleSize = 1;
options.inSampleSize = (int) sampleS
options.inJustDecodeBounds = // compute size and create bitmap
/*it is possible to reduce the memory when decoding through skipping ARGB_8888 and using RGB_565 instead and inDither to true to preserve image quality.*/
//options.inPreferredConfig = Bitmap.Config.RGB_565;
//options.inDither =
Bitmap bitmap = BitmapFactory.decodeFile(file.getAbsolutePath(), options);
if (bitmap == null) {
* Find the sample coefficient &code&&b&s&sub&k&/sub&&/b&=2&sup&k&/sup&&/code&, with &code&k &isin ℕ&/code&, such that
* &code&min&sub&k&/sub&(requestedWidth-options.outWidth&&b&s&sub&k&/sub&&/b&)&0&/code&
* &code&&&&/code&
* &code&min&sub&k&/sub&(requestedHeight-options.outHeight&&b&s&sub&k&/sub&&/b&)&0&/code&
* @param options The BitmapFactory.Options instance of the original image user wants to scale
* @param requestedWidth The requested width
* @param requestedHeight The requested height
* @return -1 if if there is an error trying to decode the image
* or the sample coefficient &code&&b&s&sub&k&/sub&&/b&&/code&,
* &1 if the image needs to be down-sampled,
* &1 if the image needs to be up-sampled
public static float computeImageScaleCoefficient(BitmapFactory.Options options, int requestedWidth, int requestedHeight) {
float sampleCoefficient = 1;
int imageWidth = options.outW
int imageHeight = options.outH
if (imageWidth == -1 || imageHeight == -1) {
return -1;
double outWidth = imageW
double outHeight = imageH
if ((outWidth & requestedWidth) || (outHeight & requestedHeight)) {
while ((outWidth & requestedWidth) || (outHeight & requestedHeight)) {
outWidth = Math.floor(outWidth/2.0);
outHeight = Math.floor(outHeight/2.0);
sampleCoefficient *= 2.0;
while ((outWidth & requestedWidth) && (outHeight & requestedHeight)) {
outWidth *= 2;
outHeight *= 2;
if ((outWidth &= requestedWidth) && (outHeight &= requestedHeight)) {
sampleCoefficient /= 2.0;
return sampleC
You are not base64 encoding a Bitmap instance (as you suggest in your post and even in the subject) but a byte array b in String imageEncoded = Base64.encodeToString(b, Base64.DEFAULT);. The byte array 'b' contains the bytes of what would be the content of a .jpg file if you would write these bytes to file.
What you have to do is put the contents of the .jpg file which you want to upload directly in a byte array. Then encode that array.
Google for android put file content in byte array. Code has been posted many times on this site
Just increase the heap size of your application in manifest file.
android:largeHeap="true"
&application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/Theme.AppTheme"
android:largeHeap="true" &
You can try this, it should solve your problem.
Basically first saving the data to a file, using a buffer to avoid memory problems. After that we check and resize the file - loading directly a resized Bitmap, again to avoid memory problems.
From what I can suppose, you are getting the encoded string from a server... so you can manage your code to directly write to the file.
Writing the data to the file:
private Bitmap getBitmapThumbnail(String base64StringReceive) {
byte[] data = Base64.decode(base64StringReceive, Base64.DEFAULT);
File file = new File(getFilesDir(), "testFile");
BufferedOutputStream bos = new BufferedOutputStream(openFileOutput("testFile", Context.MODE_PRIVATE),1024);
bos.write(data);
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
return getThumbFromFile(file, false);
Creating the thumbnail from the image file:
private Bitmap getThumbFromFile(File file) {
Bitmap tempImage =
tempImage = decodeSampledBitmapFromFile(file.getAbsolutePath(), 50, 50); // this is in pixels - use your desired size
return ThumbnailUtils.extractThumbnail(tempImage, 50, 50);
} finally {
if (tempImage != null) {
tempImage.recycle();
Loading only a resized Bitmap:
private Bitmap decodeSampledBitmapFromFile(String filePath, int reqWidth, int reqHeight) {
// First decode with inJustDecodeBounds=true to check dimensions
final BitmapFactory.Options options = new BitmapFactory.Options();
options.inJustDecodeBounds =
BitmapFactory.decodeFile(filePath, options);
// Calculate inSampleSize
options.inSampleSize = calculateInSampleSize(options, reqWidth, reqHeight);
// Decode bitmap with inSampleSize set
options.inJustDecodeBounds =
return BitmapFactory.decodeFile(filePath, options);
Calculating the sampling value - provided by Google, you can find it their tutorials:
private int calculateInSampleSize(BitmapFactory.Options options, int reqWidth, int reqHeight) {
// Raw height and width of image
final int height = options.outH
final int width = options.outW
int inSampleSize = 1;
if (height & reqHeight || width & reqWidth) {
final int halfHeight = height / 2;
final int halfWidth = width / 2;
// Calculate the largest inSampleSize value that is a power of 2 and keeps both
// height and width larger than the requested height and width.
while ((halfHeight / inSampleSize) & reqHeight &&
(halfWidth / inSampleSize) & reqWidth) {
inSampleSize *= 2;
return inSampleS
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