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PO"Bitmap size exceeds VM budget" although function is optimized in Android
 

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  1. PO"Bitmap size exceeds VM budget" although function is optimized in Android
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    <p>I know, you can find hundreds of questions about this special topic, but I've read most of them and they didn't help. Here's the stack trace:</p> <pre><code>java.lang.OutOfMemoryError: bitmap size exceeds VM budget at android.graphics.BitmapFactory.nativeDecodeStream(Native Method) at android.graphics.BitmapFactory.decodeStream(BitmapFactory.java:573) at PACKAGE.MyApp.getPhoto(MyApp.java:191) at PACKAGE.MyApp.getEntries(MyApp.java:149) at PACKAGE.AlarmSetup.createNotifications(AlarmSetup.java:48) at PACKAGE.AlarmSetup.onHandleIntent(AlarmSetup.java:30) at android.app.IntentService$ServiceHandler.handleMessage(IntentService.java:59) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:130) at android.os.HandlerThread.run(HandlerThread.java:60) </code></pre> <p>This exception is thrown although I have optimized my Java function (at least I think so) after having read lots of questions here on Stack Overflow. Here's my code:</p> <pre><code>public Bitmap getContactPhoto(String lookup_key) { Uri lookUpUri = Uri.withAppendedPath(ContactsContract.Contacts.CONTENT_LOOKUP_URI, lookup_key); Uri contentUri = ContactsContract.Contacts.lookupContact(ctx.getContentResolver(), lookUpUri); try { final int REQUIRED_SIZE = 144; BitmapFactory.Options o = new BitmapFactory.Options(); o.inJustDecodeBounds = true; // first get only the size of the image BitmapFactory.decodeStream(ContactsContract.Contacts.openContactPhotoInputStream(ctx.getContentResolver(), contentUri), null, o); int scale = 1; while ((o.outWidth/scale/2) &gt;= REQUIRED_SIZE &amp;&amp; (o.outHeight/scale/2) &gt;= REQUIRED_SIZE) { scale *= 2; } BitmapFactory.Options oScaled = new BitmapFactory.Options(); oScaled.inSampleSize = scale; // decode with calculated sample size now oScaled.inPurgeable = true; // prevent OutOfMemory oScaled.inInputShareable = true; // prevent OutOfMemory return BitmapFactory.decodeStream(ContactsContract.Contacts.openContactPhotoInputStream(ctx.getContentResolver(), contentUri), null, oScaled); } catch (Exception e) { return null; } } </code></pre> <p>Can you help me? I'm becoming desperate, tried a lot of improvements. Thanks in advance!</p>
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      1. PO"Bitmap size exceeds VM budget" although function is optimized in Android
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    1. COThis bit of code looks good to me. So what are you doing with the bitmaps later? How many of these do you keep in memory?
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    2. COThe bitmaps are all saved in an `ArrayList<Person>` and every single object of `Person` is then displayed in a `ListView`.
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