Bitmap too large to be uploaded into a texture

Question

I m loading a bitmap into an ImageView  and seeing this error  I gather this limit relates to a size limit for OpenGL hardware textures  2048x2048   The image I need to load is a pinch-zoom image of about 4 000 pixels high   I ve tried turning off hardware acceleration in the manifest  but no joy        lt application         android hardwareAccelerated  false                        gt    Is it possible to load an image larger than 2048 pixels into an ImageView

User · Answer

BitmapRegionDecoder does the trick   You can override onDraw Canvas canvas   start a new Thread and decode the area visible to the user

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Scale down image   BitmapFactory Options options   new BitmapFactory Options    options inJustDecodeBounds   true      Set height and width in options  does not return an image and no resource taken BitmapFactory decodeStream imagefile  null  options    int pow   0  while  options outHeight  gt  gt  pow  gt  reqHeight    options outWidth  gt  gt  pow  gt  reqWidth      pow    1  options inSampleSize   1  lt  lt  pow   options inJustDecodeBounds   false  image   BitmapFactory decodeStream imagefile  null  options     The image will be scaled down at the size of reqHeight and reqWidth  As I understand inSampleSize only take in a power of 2 values

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I have scaled down the image in this way   ImageView iv     ImageView waypointListView findViewById R id waypoint picker photo   Bitmap d   new BitmapDrawable ctx getResources     w photo getAbsolutePath    getBitmap    int nh    int    d getHeight      512 0   d getWidth       Bitmap scaled   Bitmap createScaledBitmap d  512  nh  true   iv setImageBitmap scaled

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All rendering is based on OpenGL  so no you can t go over this limit  GL MAX TEXTURE SIZE depends on the device  but the minimum is 2048x2048  so any image lower than 2048x2048 will fit    With such big images  if you want to zoom in out  and in a mobile  you should setup a system similar to what you see in google maps for example  With the image split in several pieces  and several definitions   Or you could scale down the image before displaying it  see user1352407 s answer on this question    And also  be careful to which folder you put the image into  Android can automatically scale up images  Have a look at Pilot 51 s answer below on this question

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I ran through same problem  here is my solution  set the width of image same as android screen width and then scales the height   Bitmap myBitmap   BitmapFactory decodeFile image getAbsolutePath     Display display   getWindowManager   getDefaultDisplay    Point size   new Point    display getSize size   int width   size x  int height   size y  Log e  Screen width        width   Log e  Screen height        height   Log e  img width        myBitmap getWidth     Log e  img height        myBitmap getHeight     float scaleHt   float  width myBitmap getWidth    Log e  Scaled percent        scaleHt   Bitmap scaled   Bitmap createScaledBitmap myBitmap  width   int  myBitmap getWidth   scaleHt   true   myImage setImageBitmap scaled     This is better for any size android screen  let me know if it works for you

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Instead of spending hours upon hours trying to write debug all this downsampling code manually  why not use Picasso   It was made for dealing with bitmaps of all types and or sizes     I have used this single line of code to remove my  bitmap too large      problem   Picasso load resourceId  fit   centerCrop   into imageView

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Override protected void onActivityResult int requestCode  int resultCode  Intent data         super onActivityResult requestCode  resultCode  data                if  requestCode    PICK FROM FILE  amp  amp  resultCode    RESULT OK  amp  amp  null    data              uri   data getData             String   prjection   MediaStore Images Media DATA            Cursor cursor   getContentResolver   query uri prjection null null null            cursor moveToFirst             int columnIndex   cursor getColumnIndex prjection 0             ImagePath   cursor getString columnIndex            cursor close             FixBitmap   BitmapFactory decodeFile ImagePath            ShowSelectedImage    ImageView findViewById R id imageView              FixBitmap   new BitmapDrawable ImagePath           int nh    int    FixBitmap getHeight      512 0   FixBitmap getWidth               FixBitmap   Bitmap createScaledBitmap FixBitmap  512  nh  true              ShowSelectedImage setImageBitmap BitmapFactory decodeFile ImagePath             ShowSelectedImage setImageBitmap FixBitmap              This code is work

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Changing the image file to drawable-nodpi folder from drawable folder worked for me

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I tried all the solutions above  one-after-the-other  for quite many hours  and none seemed to work  Finally  I decided to look around for an official example concerning capturing images with Android s camera  and displaying them  The official example  here   finally gave me the only method that worked  Below I present the solution I found in that example app   public void setThumbnailImageAndSave final ImageView imgView  File imgFile                    There isn t enough memory to open up more than a couple camera photos           So pre-scale the target bitmap into which the file is decoded            Get the size of the ImageView        int targetW   imgView getWidth        int targetH   imgView getHeight            Get the size of the image        BitmapFactory Options bmOptions   new BitmapFactory Options        bmOptions inJustDecodeBounds   true      BitmapFactory decodeFile imgFile getAbsolutePath    bmOptions       int photoW   bmOptions outWidth      int photoH   bmOptions outHeight          Figure out which way needs to be reduced less        int scaleFactor   1      if   targetW  gt  0      targetH  gt  0             scaleFactor   Math min photoW targetW  photoH targetH                 Set bitmap options to scale the image decode target        bmOptions inJustDecodeBounds   false      bmOptions inSampleSize   scaleFactor      bmOptions inPurgeable   true          Decode the JPEG file into a Bitmap        Bitmap bitmap   BitmapFactory decodeFile imgFile getAbsolutePath    bmOptions           Associate the Bitmap to the ImageView        imgView setImageBitmap bitmap       imgView setVisibility View VISIBLE

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Using the correct drawable subfolder solved it for me   My solution was to put my full resolution image  1920x1200  into the drawable-xhdpi folder  instead of the drawable folder      I also put a scaled down image  1280x800  into the drawable-hdpi folder   These two resolutions match the 2013 and 2012 Nexus 7 tablets I m programming   I also tested the solution on some other tablets

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View level  You can disable hardware acceleration for an individual view at runtime with the following code   myView setLayerType View LAYER TYPE SOFTWARE  null

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Use Glide library instead of directly loading into imageview  Glide   https   github com bumptech glide  Glide with this  load Uri parse filelocation    into img selectPassportPic

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I used Picasso and had the same problem  image was too large at least in on size  width or height  finally I found the solution here  you can scale the large image down according to display size and also keep the aspect ratio       public Point getDisplaySize Display display        Point size   new Point         if  Build VERSION SDK INT  gt   Build VERSION CODES HONEYCOMB MR2            display getSize size         else           int width   display getWidth            int height   display getHeight            size   new Point width  height              return size      and use this method for loading image by Picasso       final Point displySize   getDisplaySize getWindowManager   getDefaultDisplay             final int size    int  Math ceil Math sqrt displySize x   displySize y            Picasso with this                   load urlSource                   resize size  size                   centerInside                    into imageViewd     also for better performance you can download the image according to width and height of the display screen  not whole the image       public String reviseImageUrl final Integer displayWidth      final Integer displayHeight          final String originalImageUrl        final String revisedImageUrl       if  displayWidth    null  amp  amp  displayHeight    null            revisedImageUrl   originalImageUrl        else           final Uri Builder uriBuilder   Uri parse originalImageUrl  buildUpon             if  displayWidth    null  amp  amp  displayWidth  gt  0                uriBuilder appendQueryParameter QUERY KEY DISPLAY WIDTH  String valueOf displayWidth                       if  displayHeight    null  amp  amp  displayHeight  gt  0                uriBuilder appendQueryParameter QUERY KEY DISPLAY HEIGHT  String valueOf displayHeight                       revisedImageUrl   uriBuilder toString               return revisedImageUrl         final String newImageUlr   reviseImageUrl displySize x  displySize y  urlSource     and then       Picasso with this                   load newImageUlr                   resize size  size                   centerInside                    into imageViewd     EDIT  getDisplaySize    display getWidth   getHeight   is deprecated  Instead of Display use DisplayMetrics   public Point getDisplaySize DisplayMetrics displayMetrics            int width   displayMetrics widthPixels          int height   displayMetrics heightPixels          return new Point width  height

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This isn t a direct answer to the question  loading images  2048   but a possible solution for anyone experiencing the error   In my case  the image was smaller than 2048 in both dimensions  1280x727 to be exact  and the issue was specifically experienced on a Galaxy Nexus  The image was in the drawable folder and none of the qualified folders  Android assumes drawables without a density qualifier are mdpi and scales them up or down for other densities  in this case scaled up 2x for xhdpi  Moving the culprit image to drawable-nodpi to prevent scaling solved the problem

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As pointed by Larcho  starting from API level 10  you can use BitmapRegionDecoder to load specific regions from an image and with that  you can accomplish to show a large image in high resolution by allocating in memory just the needed regions  I ve recently developed a lib that provides the visualisation of large images with touch gesture handling  The source code and samples are available here

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Addition of the following 2 attributes in   AndroidManifest xml  worked for me   android largeHeap  true  android hardwareAccelerated  false

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NOTE FOR THOSE WHO WANT TO PUT IMAGES OF SMALL SIZE   Pilot 51 s solution  moving your images to drawable-nodpi folder  works  but has another problem   It makes images TOO SMALL on screen unless the images are resized to a very large  like 2000 x 3800  resolution to fit screen -- then it makes your app heavier   SOLUTION  put your image files in drawable-hdpi -- It worked like a charm for me

[android] "Bitmap too large to be uploaded into a texture"

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