android : Display image in imageview from another imageview source? -


i have imageview in app, 1 of imageview parent image,the function of parent image display image imageview child if click.

enter image description here

if image b1 click source image of imageview b1 show in imageview , imageview b can b1 if clicked, how achieve that?

i use code show image in imageview b.

private class custominfowindowadapter implements infowindowadapter{          private view view;          public custominfowindowadapter() {             view = getlayoutinflater().inflate(r.layout.custom_info_window,                     null);         }          @override         public view getinfocontents(marker marker) {              if (mapv2infowindow.this.marker != null                     && mapv2infowindow.this.marker.isinfowindowshown()) {                 mapv2infowindow.this.marker.hideinfowindow();                 mapv2infowindow.this.marker.showinfowindow();             }             return null;         }          @override         public view getinfowindow(final marker marker) {              mapv2infowindow.this.marker = marker;              string url = null;              if (marker.getid() != null && markers != null && markers.size() > 0) {                 if ( markers.get(marker.getid()) != null &&                         markers.get(marker.getid()) != null) {                     url = markers.get(marker.getid());                 }             }             final imageview image = ((imageview) view.findviewbyid(r.id.badge));              if (url != null && !url.equalsignorecase("null")                     && !url.equalsignorecase("")) {                 imageloader.displayimage(url, image, options,                         new simpleimageloadinglistener() {                             @override                             public void onloadingcomplete(string imageuri,                                     view view, bitmap loadedimage) {                                 super.onloadingcomplete(imageuri, view,                                         loadedimage);                                 getinfocontents(marker);                             }                         });             } else {                 image.setimageresource(r.drawable.ic_launcher);             }               return view;         } }

i error

03-24 15:35:54.099: e/androidruntime(8412): fatal exception: main 03-24 15:35:54.099: e/androidruntime(8412): java.lang.nullpointerexception 03-24 15:35:54.099: e/androidruntime(8412):     @ com.ltvie.chatkrawala.mapv2infowindow$1.oninfowindowclick(mapv2infowindow.java:125) 03-24 15:35:54.099: e/androidruntime(8412):     @ com.google.android.gms.maps.googlemap$10.e(unknown source) 03-24 15:35:54.099: e/androidruntime(8412):     @ com.google.android.gms.maps.internal.f$a.ontransact(unknown source) 03-24 15:35:54.099: e/androidruntime(8412):     @ android.os.binder.transact(binder.java:279) 03-24 15:35:54.099: e/androidruntime(8412):     @ eiy.a(sourcefile:82) 03-24 15:35:54.099: e/androidruntime(8412):     @ maps.e.bl.b(unknown source) 03-24 15:35:54.099: e/androidruntime(8412):     @ maps.ay.o.am_(unknown source) 03-24 15:35:54.099: e/androidruntime(8412):     @ maps.ay.o.a(unknown source) 03-24 15:35:54.099: e/androidruntime(8412):     @ maps.ay.bg.b(unknown source) 03-24 15:35:54.099: e/androidruntime(8412):     @ maps.ay.bc.onsingletapconfirmed(unknown source) 03-24 15:35:54.099: e/androidruntime(8412):     @ maps.bo.g.onsingletapconfirmed(unknown source) 03-24 15:35:54.099: e/androidruntime(8412):     @ maps.bo.i.handlemessage(unknown source) 03-24 15:35:54.099: e/androidruntime(8412):     @ android.os.handler.dispatchmessage(handler.java:99) 03-24 15:35:54.099: e/androidruntime(8412):     @ android.os.looper.loop(looper.java:130) 03-24 15:35:54.099: e/androidruntime(8412):     @ android.app.activitythread.main(activitythread.java:3687) 03-24 15:35:54.099: e/androidruntime(8412):     @ java.lang.reflect.method.invokenative(native method) 03-24 15:35:54.099: e/androidruntime(8412):     @ java.lang.reflect.method.invoke(method.java:507) 03-24 15:35:54.099: e/androidruntime(8412):     @ com.android.internal.os.zygoteinit$methodandargscaller.run(zygoteinit.java:867) 03-24 15:35:54.099: e/androidruntime(8412):     @ com.android.internal.os.zygoteinit.main(zygoteinit.java:625) 03-24 15:35:54.099: e/androidruntime(8412):     @ dalvik.system.nativestart.main(native method)

thanks.

just this. 

imageviewa.setimagedrawable( imageviewb.getdrawable() );

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