android - Cloning an image, pixel by pixel -
i want create app reads image, pixel pixel, , use information build clone image. using 2 imageviews, 1 has artistic picture , other has empty picture( white background ).
when click button start image cloning, message:
unfortunately, app has stopped
i tried several changes suggested in several posts not sort out problem.
import android.graphics.bitmap; import android.graphics.color; import android.graphics.drawable.bitmapdrawable; import android.support.v7.app.appcompatactivity; import android.os.bundle; import android.view.view; import android.widget.button; import android.widget.imageview; public class mainactivity extends appcompatactivity { @override protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_main); cloneanimagepixelbypixel(); } public void cloneanimagepixelbypixel() { final button btn = (button) findviewbyid(r.id.button); btn.setonclicklistener(new view.onclicklistener() { @override public void onclick(view v) { imageview artimg = (imageview) findviewbyid(r.id.art); imageview emptyimg = (imageview) findviewbyid(r.id.emptyim); bitmap bitmap1 = ((bitmapdrawable) artimg.getdrawable()).getbitmap(); bitmap bitmap2 = ((bitmapdrawable) emptyimg.getdrawable()).getbitmap(); int img_height = bitmap1.getheight(); int img_width = bitmap1.getwidth(); (int = 0; < img_height; i++) { (int k = 0; k < img_width; k++) { int pixel = bitmap1.getpixel(i, k); int = color.alpha(pixel); int r = color.red(pixel); int g = color.green(pixel); int b = color.blue(pixel); bitmap2.setpixel(i, k, color.argb(a,r,g,b)); } } } }); } } and here xml code:
<relativelayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/apk/res-auto" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context="com.example.mypc.creatingacloneimagefrompixels.mainactivity"> <imageview android:id="@+id/art" android:layout_width="wrap_content" android:layout_height="wrap_content" app:srccompat="@drawable/sandart" tools:layout_editor_absolutex="125dp" tools:layout_editor_absolutey="57dp" android:layout_alignparenttop="true" android:layout_centerhorizontal="true" android:layout_margintop="42dp" /> <imageview android:id="@+id/emptyim" android:layout_width="wrap_content" android:layout_height="wrap_content" app:srccompat="@drawable/empty" tools:layout_editor_absolutex="125dp" tools:layout_editor_absolutey="205dp" android:layout_centervertical="true" android:layout_alignend="@+id/art" /> <button android:id="@+id/button" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="clone image" android:textsize="18sp" android:textstyle="bold" tools:layout_editor_absolutex="122dp" tools:layout_editor_absolutey="380dp" android:layout_marginbottom="83dp" android:layout_alignparentbottom="true" android:layout_alignstart="@+id/emptyim" /> </relativelayout> the event log here:
28-jul-17 10:18 executing tasks: [:app:assembledebug] 10:18 gradle build finished in 11s 988ms 10:38 executing tasks: [:app:assembledebug] 10:38 gradle build finished in 4s 956ms 10:38 adb rejected shell command (cat /proc/2560/stat): closed gradle console here: executing tasks: [:app:generatedebugsources, :app:generatedebugandroidtestsources, :app:mockableandroidjar, :app:preparedebugunittestdependencies] configuration on demand incubating feature. ndk missing "platforms" directory. if using ndk, verify ndk.dir set valid ndk directory. set c:\users\easypc\appdata\local\android\sdk\ndk-bundle. if not using ndk, unset ndk variable android_ndk_home or local.properties remove warning. incremental java compilation incubating feature. :app:prebuild up-to-date :app:predebugbuild up-to-date :app:checkdebugmanifest :app:prereleasebuild up-to-date :app:preparecomandroidsupportanimatedvectordrawable2600alpha1library :app:preparecomandroidsupportappcompatv72600alpha1library :app:preparecomandroidsupportconstraintconstraintlayout102library :app:preparecomandroidsupportsupportcompat2600alpha1library :app:preparecomandroidsupportsupportcoreui2600alpha1library :app:preparecomandroidsupportsupportcoreutils2600alpha1library :app:preparecomandroidsupportsupportfragment2600alpha1library :app:preparecomandroidsupportsupportmediacompat2600alpha1library :app:preparecomandroidsupportsupportv42600alpha1library :app:preparecomandroidsupportsupportvectordrawable2600alpha1library :app:preparedebugdependencies :app:compiledebugaidl up-to-date :app:compiledebugrenderscript up-to-date :app:generatedebugbuildconfig up-to-date :app:generatedebugresvalues up-to-date :app:generatedebugresources up-to-date :app:mergedebugresources up-to-date :app:processdebugmanifest up-to-date :app:processdebugresources up-to-date :app:generatedebugsources up-to-date :app:predebugandroidtestbuild up-to-date :app:preparecomandroidsupporttestespressoespressocore222library :app:preparecomandroidsupporttestespressoespressoidlingresource222library :app:preparecomandroidsupporttestexposedinstrumentationapipublish05library :app:preparecomandroidsupporttestrules05library :app:preparecomandroidsupporttestrunner05library :app:preparedebugandroidtestdependencies :app:compiledebugandroidtestaidl up-to-date :app:processdebugandroidtestmanifest up-to-date :app:compiledebugandroidtestrenderscript up-to-date :app:generatedebugandroidtestbuildconfig up-to-date :app:generatedebugandroidtestresvalues up-to-date :app:generatedebugandroidtestresources up-to-date :app:mergedebugandroidtestresources up-to-date :app:processdebugandroidtestresources up-to-date :app:generatedebugandroidtestsources up-to-date :app:mockableandroidjar up-to-date :app:predebugunittestbuild up-to-date :app:preparedebugunittestdependencies build successful total time: 2.717 secs executing tasks: [:app:assembledebug] configuration on demand incubating feature. ndk missing "platforms" directory. if using ndk, verify ndk.dir set valid ndk directory. set c:\users\easypc\appdata\local\android\sdk\ndk-bundle. if not using ndk, unset ndk variable android_ndk_home or local.properties remove warning. incremental java compilation incubating feature. :app:buildinfodebugloader :app:prebuild up-to-date :app:predebugbuild up-to-date :app:checkdebugmanifest :app:preparecomandroidsupportanimatedvectordrawable2600alpha1library :app:preparecomandroidsupportappcompatv72600alpha1library :app:preparecomandroidsupportconstraintconstraintlayout102library :app:preparecomandroidsupportsupportcompat2600alpha1library :app:preparecomandroidsupportsupportcoreui2600alpha1library :app:preparecomandroidsupportsupportcoreutils2600alpha1library :app:preparecomandroidsupportsupportfragment2600alpha1library :app:preparecomandroidsupportsupportmediacompat2600alpha1library :app:preparecomandroidsupportsupportv42600alpha1library :app:preparecomandroidsupportsupportvectordrawable2600alpha1library :app:preparedebugdependencies :app:compiledebugaidl up-to-date :app:compiledebugrenderscript up-to-date :app:generatedebugbuildconfig up-to-date :app:generatedebugresvalues up-to-date :app:generatedebugresources up-to-date :app:mergedebugresources up-to-date :app:processdebugmanifest :app:processdebugresources :app:generatedebugsources :app:incrementaldebugjavacompilationsafeguard up-to-date :app:javaprecompiledebug :app:compiledebugjavawithjavac up-to-date :app:mergedebugshaders up-to-date :app:compiledebugshaders up-to-date :app:generatedebugassets up-to-date :app:mergedebugassets up-to-date :app:processdebugjavares up-to-date :app:transformresourceswithmergejavaresfordebug up-to-date :app:packageinstantrunresourcesdebug :app:fastdeploydebugextractor up-to-date :app:generatedebuginstantrunappinfo up-to-date :app:checkmanifestchangesdebug :app:transformclasseswithextractjarsfordebug up-to-date :app:transformclasseswithinstantrunverifierfordebug up-to-date :app:transformclasseswithdependencycheckerfordebug up-to-date :app:compiledebugndk up-to-date :app:mergedebugjnilibfolders up-to-date :app:transformnativelibswithmergejnilibsfordebug up-to-date :app:transformnativelibsandresourceswithjavaresourcesverifierfordebug up-to-date :app:transformclasseswithinstantrunfordebug :app:transformclassesenhancedwithinstantreloaddexfordebug :app:incrementaldebugtasks :app:precoldswapdebug :app:transformclasseswithinstantrunslicerfordebug :app:transformclasseswithdexfordebug :app:validatesigningdebug :app:transformdexwithinstantrundependenciesapkfordebug :app:transformdexwithinstantrunslicesapkfordebug :app:packagedebug :app:buildinfogeneratordebug :app:compiledebugsources up-to-date :app:assembledebug build successful total time: 11.919 secs executing tasks: [:app:assembledebug] configuration on demand incubating feature. ndk missing "platforms" directory. if using ndk, verify ndk.dir set valid ndk directory. set c:\users\easypc\appdata\local\android\sdk\ndk-bundle. if not using ndk, unset ndk variable android_ndk_home or local.properties remove warning. incremental java compilation incubating feature. :app:buildinfodebugloader :app:prebuild up-to-date :app:predebugbuild up-to-date :app:checkdebugmanifest :app:preparecomandroidsupportanimatedvectordrawable2600alpha1library :app:preparecomandroidsupportappcompatv72600alpha1library :app:preparecomandroidsupportconstraintconstraintlayout102library :app:preparecomandroidsupportsupportcompat2600alpha1library :app:preparecomandroidsupportsupportcoreui2600alpha1library :app:preparecomandroidsupportsupportcoreutils2600alpha1library :app:preparecomandroidsupportsupportfragment2600alpha1library :app:preparecomandroidsupportsupportmediacompat2600alpha1library :app:preparecomandroidsupportsupportv42600alpha1library :app:preparecomandroidsupportsupportvectordrawable2600alpha1library :app:preparedebugdependencies :app:compiledebugaidl up-to-date :app:compiledebugrenderscript up-to-date :app:generatedebugbuildconfig up-to-date :app:generatedebugresvalues up-to-date :app:generatedebugresources up-to-date :app:mergedebugresources up-to-date :app:processdebugmanifest up-to-date :app:processdebugresources up-to-date :app:generatedebugsources :app:incrementaldebugjavacompilationsafeguard up-to-date :app:javaprecompiledebug :app:compiledebugjavawithjavac up-to-date :app:mergedebugshaders up-to-date :app:compiledebugshaders up-to-date :app:generatedebugassets up-to-date :app:mergedebugassets up-to-date :app:processdebugjavares up-to-date :app:transformresourceswithmergejavaresfordebug up-to-date :app:packageinstantrunresourcesdebug up-to-date :app:fastdeploydebugextractor up-to-date :app:generatedebuginstantrunappinfo up-to-date :app:checkmanifestchangesdebug :app:transformclasseswithextractjarsfordebug up-to-date :app:transformclasseswithinstantrunverifierfordebug up-to-date :app:transformclasseswithdependencycheckerfordebug up-to-date :app:compiledebugndk up-to-date :app:mergedebugjnilibfolders up-to-date :app:transformnativelibswithmergejnilibsfordebug up-to-date :app:transformnativelibsandresourceswithjavaresourcesverifierfordebug up-to-date :app:transformclasseswithinstantrunfordebug up-to-date :app:transformclassesenhancedwithinstantreloaddexfordebug up-to-date :app:incrementaldebugtasks up-to-date :app:precoldswapdebug :app:transformclasseswithinstantrunslicerfordebug up-to-date :app:transformclasseswithdexfordebug up-to-date :app:validatesigningdebug :app:transformdexwithinstantrundependenciesapkfordebug up-to-date :app:transformdexwithinstantrunslicesapkfordebug up-to-date :app:packagedebug up-to-date :app:buildinfogeneratordebug :app:compiledebugsources up-to-date :app:assembledebug build successful total time: 4.89 secs the android monitor here:
07-28 10:38:46.196 2560-2560/? e/libprocessgroup: failed make , chown /acct/uid_10080: read-only file system 07-28 10:38:46.196 2560-2560/? w/zygote: createprocessgroup failed, kernel missing config_cgroup_cpuacct? 07-28 10:38:46.197 2560-2560/? i/art: not late-enabling -xcheck:jni (already on) 07-28 10:38:46.211 2560-2570/? e/art: failed sending reply debugger: broken pipe 07-28 10:38:46.211 2560-2570/? i/art: debugger no longer active 07-28 10:38:46.293 2560-2560/? i/instantrun: starting instant run server: main process 07-28 10:38:46.334 2560-2560/? w/art: before android 4.1, method android.graphics.porterduffcolorfilter android.support.graphics.drawable.vectordrawablecompat.updatetintfilter(android.graphics.porterduffcolorfilter, android.content.res.colorstatelist, android.graphics.porterduff$mode) have incorrectly overridden package-private method in android.graphics.drawable.drawable 07-28 10:38:46.426 2560-2583/? d/openglrenderer: use egl_swap_behavior_preserved: true [ 07-28 10:38:46.427 2560: 2560 d/ ] hostconnection::get() new host connection established 0xb3ee71f0, tid 2560 [ 07-28 10:38:46.428 2560: 2560 w/ ] unrecognized gles max version string in extensions: android_emu_checksum_helper_v1 07-28 10:38:46.428 2560-2560/? d/atlas: validating map... 07-28 10:38:46.451 2560-2583/? i/openglrenderer: initialized egl, version 1.4 07-28 10:38:46.452 2560-2583/? w/openglrenderer: failed choose config egl_swap_behavior_preserved, retrying without... 07-28 10:38:46.460 2560-2583/? d/egl_emulation: eglcreatecontext: 0xb3eb8940: maj 2 min 0 rcv 2 07-28 10:38:46.464 2560-2583/? d/egl_emulation: eglmakecurrent: 0xb3eb8940: ver 2 0 07-28 10:38:46.467 2560-2583/? d/openglrenderer: enabling debug mode 0 07-28 10:38:46.500 2560-2583/? d/egl_emulation: eglmakecurrent: 0xb3eb8940: ver 2 0 07-28 10:38:46.555 2560-2560/? w/art: before android 4.1, method int android.support.v7.widget.listviewcompat.lookforselectableposition(int, boolean) have incorrectly overridden package-private method in android.widget.listview 07-28 10:38:51.028 2560-2560/com.example.easypc.creatingacloneimagefrompixels d/androidruntime: shutting down vm 07-28 10:38:51.030 2560-2560/com.example.easypc.creatingacloneimagefrompixels e/androidruntime: fatal exception: main process: com.example.easypc.creatingacloneimagefrompixels, pid: 2560 java.lang.illegalstateexception @ android.graphics.bitmap.setpixel(bitmap.java:1420) @ com.example.easypc.creatingacloneimagefrompixels.mainactivity$1.onclick(mainactivity.java:53) @ android.view.view.performclick(view.java:4780) @ android.view.view$performclick.run(view.java:19866) @ android.os.handler.handlecallback(handler.java:739) @ android.os.handler.dispatchmessage(handler.java:95) @ android.os.looper.loop(looper.java:135) @ android.app.activitythread.main(activitythread.java:5254) @ java.lang.reflect.method.invoke(native method) @ java.lang.reflect.method.invoke(method.java:372) @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:903) @ com.android.internal.os.zygoteinit.main(zygoteinit.java:698)
i believe problem bitmap2 not mutable. can create mutable bitmap use bitmap.copy() ismutable set true or using bitmap.create(width,height,config). can load mutable bitmap setting inmutable true in bitmapfactory.options using bitmapfactory
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