android - Null pointer exception when compressing image -
when on samsung galaxy s3 select image gallery, ocasionaly recieve null pointer exception on compressing stage.
problem line
bm.compress(compressformat.jpeg, 85, bos); method
public string savefile(bitmap bm, int id) { string file_path = environment.getexternalstoragedirectory() .getabsolutepath() + "/mk"; file dir = new file(file_path); if (!dir.exists()) { dir.mkdirs(); } file file = new file(dir, "smaller" + id + ".jpeg"); fileoutputstream fout; try { fout = new fileoutputstream(file); // bm.compress(bitmap.compressformat.png, 85, fout); bufferedoutputstream bos = new bufferedoutputstream(fout); bm.compress(compressformat.jpeg, 85, bos); if (bos != null) { bos.flush(); bos.close(); } if (fout != null) { fout.flush(); fout.close(); } if (id == 1) { photo1 = file.getpath(); } else if (id == 2) { photo2 = file.getpath(); } else if (id == 3) { photo3 = file.getpath(); } } catch (filenotfoundexception e) { // todo auto-generated catch block e.printstacktrace(); } catch (ioexception e) { // todo auto-generated catch block e.printstacktrace(); } return ""; } error
08-09 10:31:06.740: e/androidruntime(16358): fatal exception: main 08-09 10:31:06.740: e/androidruntime(16358): java.lang.runtimeexception: failure delivering result resultinfo{who=null, request=11, result=-1, data=intent { dat=content://com.sec.android.gallery3d.provider/picasa/item/5813366421292566690 (has extras) }} activity {ua.mirkvartir.android.frontend/ua.mirkvartir.android.frontend.addfillactivityapp}: java.lang.nullpointerexception 08-09 10:31:06.740: e/androidruntime(16358): @ android.app.activitythread.deliverresults(activitythread.java:3182) 08-09 10:31:06.740: e/androidruntime(16358): @ android.app.activitythread.handlesendresult(activitythread.java:3225) 08-09 10:31:06.740: e/androidruntime(16358): @ android.app.activitythread.access$1100(activitythread.java:140) 08-09 10:31:06.740: e/androidruntime(16358): @ android.app.activitythread$h.handlemessage(activitythread.java:1275) 08-09 10:31:06.740: e/androidruntime(16358): @ android.os.handler.dispatchmessage(handler.java:99) 08-09 10:31:06.740: e/androidruntime(16358): @ android.os.looper.loop(looper.java:137) 08-09 10:31:06.740: e/androidruntime(16358): @ android.app.activitythread.main(activitythread.java:4898) 08-09 10:31:06.740: e/androidruntime(16358): @ java.lang.reflect.method.invokenative(native method) 08-09 10:31:06.740: e/androidruntime(16358): @ java.lang.reflect.method.invoke(method.java:511) 08-09 10:31:06.740: e/androidruntime(16358): @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:1006) 08-09 10:31:06.740: e/androidruntime(16358): @ com.android.internal.os.zygoteinit.main(zygoteinit.java:773) 08-09 10:31:06.740: e/androidruntime(16358): @ dalvik.system.nativestart.main(native method) 08-09 10:31:06.740: e/androidruntime(16358): caused by: java.lang.nullpointerexception 08-09 10:31:06.740: e/androidruntime(16358): @ ua.mirkvartir.android.frontend.addfillactivityapp.savefile(addfillactivityapp.java:856) 08-09 10:31:06.740: e/androidruntime(16358): @ ua.mirkvartir.android.frontend.addfillactivityapp.onactivityresult(addfillactivityapp.java:801) 08-09 10:31:06.740: e/androidruntime(16358): @ android.app.activity.dispatchactivityresult(activity.java:5390) 08-09 10:31:06.740: e/androidruntime(16358): @ android.app.activitythread.deliverresults(activitythread.java:3178) 08-09 10:31:06.740: e/androidruntime(16358): ... 11 more onactivityresult
protected void onactivityresult(int requestcode, int resultcode, intent data) { super.onactivityresult(requestcode, resultcode, data); string = ""; if (data == null) { = "null"; } else = data.tostring(); log.d("realpath", "resultcode " + resultcode + " data " + a); if (requestcode == 12 && resultcode == result_ok) { } else if (requestcode == 11 && resultcode == result_ok && null != data) { uri selectedimage = data.getdata(); string picturepath = getrealpathfromuri(selectedimage); pho1.setimagebitmap(decodesampledbitmapfromresource(picturepath, 80, 60)); savefile(decodesampledbitmapfromresource(picturepath, 800, 800), 1); } else if (requestcode == 22 && resultcode == result_ok) { } else if (requestcode == 21 && resultcode == result_ok && null != data) { uri selectedimage = data.getdata(); string picturepath = getrealpathfromuri(selectedimage); pho2.setimagebitmap(decodesampledbitmapfromresource(picturepath, 80, 60)); savefile(decodesampledbitmapfromresource(picturepath, 800, 800), 2); } else if (requestcode == 32 && resultcode == result_ok) { } else if (requestcode == 31 && resultcode == result_ok && null != data) { uri selectedimage = data.getdata(); string picturepath = getrealpathfromuri(selectedimage); pho3.setimagebitmap(decodesampledbitmapfromresource(picturepath, 80, 60)); savefile(decodesampledbitmapfromresource(picturepath, 800, 800), 3); } } decodesamplebitmapfromresourse
public static bitmap decodesampledbitmapfromresource(string path, int reqwidth, int reqheight) { // first decode injustdecodebounds=true check dimensions final bitmapfactory.options options = new bitmapfactory.options(); options.injustdecodebounds = true; bitmapfactory.decodefile(path, options); // calculate insamplesizeŠ° options.insamplesize = calculateinsamplesize(options, reqwidth, reqheight); // decode bitmap insamplesize set options.injustdecodebounds = false; return bitmapfactory.decodefile(path, options); }
your variable bm is null. it's reached in parameter, you'll either have debug/log there or make savefile method waterproof testing , handling bm null.
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