android - Open activity or dialog box when i press image i have in my viewPAger -
in root activity have slide show displayed viewpager . in case want open new activity or dialog box or when pressed image on slide show . used onclicklistener , assign picture id , don't feedback .
rootactivity.java
public class rootactivity extends activity { @override protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_root); // image slide show viewpager viewpager = (viewpager) findviewbyid(r.id.view_pager); imageadapter adapter = new imageadapter(this); viewpager.setadapter(adapter); viewpager.setcurrentitem(0); imageadapter.settimer(viewpager, 3, 0); // end image slide show viewpager vp = (viewpager)findviewbyid(r.drawable.ax1); vp.setonclicklistener(new onclicklistener() { @override public void onclick(view arg0) { // todo auto-generated method stub system.out.print("ok ..."); } }); } } imageadapter.java
public class imageadapter extends pageradapter { final static handler handler = new handler(); public static timer swipetimer ; context context; private int[] galimages = new int[] { r.drawable.one, r.drawable.two, r.drawable.three, r.drawable.ax1, r.drawable.ax2, }; imageadapter(context countdowntimer){ this.context=countdowntimer; } @override public int getcount() { return galimages.length; } @override public boolean isviewfromobject(view view, object object) { return view == ((imageview) object); } @override public object instantiateitem(viewgroup container, int position) { imageview imageview = new imageview(context); int padding = context.getresources().getdimensionpixelsize(r.dimen.padding_medium); imageview.setpadding(padding, padding, padding, padding); imageview.setscaletype(imageview.scaletype.center_inside); imageview.setimageresource(galimages[position]); ((viewpager) container).addview(imageview, 0); return imageview; } @override public void destroyitem(viewgroup container, int position, object object) { ((viewpager) container).removeview((imageview) object); } public static void settimer(final viewpager mypager, int time, final int curpage){ final runnable update = new runnable() { int num_pages =5; int currentpage = curpage ; public void run() { if (currentpage == num_pages ) { currentpage = 0; } mypager.setcurrentitem(currentpage++, true); } }; swipetimer = new timer(); swipetimer.schedule(new timertask() { @override public void run() { handler.post(update); } }, 1000, time*1000); } }
okay, first things first...
1. line, in rootactivity.oncreate() not make lot of sense:
viewpager vp = (viewpager)findviewbyid(r.drawable.ax1);
you're trying find viewpager object in layout using drawable resource id. delete line , in oncreate() comes after it.
2. can attach onclicklistener existing view , since there no onitemclicklistener pageradapters, need attach onclicklistener appropriate views within adapter's instantiateitem() method.
i have attached modified version of code representing these points.
rootactivity.java
public class rootactivity extends actionbaractivity { @override protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.activity_root); // image slide show viewpager viewpager = (viewpager) findviewbyid(r.id.view_pager); imageadapter adapter = new imageadapter(this); viewpager.setadapter(adapter); viewpager.setcurrentitem(0); imageadapter.settimer(viewpager, 3, 0); // end image slide show } } imageadapter.java
look the // begin added spacelord comments
public class imageadapter extends pageradapter { final static handler handler = new handler(); public static timer swipetimer; context context; private int[] galimages = new int[]{ r.drawable.one, r.drawable.two, r.drawable.three, r.drawable.ax1, r.drawable.ax2, }; imageadapter(context countdowntimer) { this.context = countdowntimer; } @override public int getcount() { return galimages.length; } @override public boolean isviewfromobject(view view, object object) { return view == object; } @override public object instantiateitem(viewgroup container, int position) { imageview imageview = new imageview(context); int padding = context.getresources().getdimensionpixelsize(r.dimen.padding_medium); imageview.setpadding(padding, padding, padding, padding); imageview.setscaletype(imageview.scaletype.center_inside); imageview.setimageresource(galimages[position]); // begin added spacelord imageview.setonclicklistener(itemclicklistener); imageview.settag(position); // end added spacelord container.addview(imageview, 0); return imageview; } // begin added spacelord private final view.onclicklistener itemclicklistener = new view.onclicklistener() { @override public void onclick(view v) { final int tag = (integer) v.gettag(); switch (tag) { // whatever need each slide click here case 0: log.d(imageadapter.class.getsimplename(), "clicked on one"); break; case 1: log.d(imageadapter.class.getsimplename(), "clicked on two"); break; case 2: log.d(imageadapter.class.getsimplename(), "clicked on three"); break; case 3: log.d(imageadapter.class.getsimplename(), "clicked on ax1"); break; case 4: log.d(imageadapter.class.getsimplename(), "clicked on ax2"); break; } } }; // end added spacelord @override public void destroyitem(viewgroup container, int position, object object) { container.removeview((imageview) object); } public static void settimer(final viewpager mypager, int time, final int curpage) { final runnable update = new runnable() { int num_pages = 5; int currentpage = curpage; public void run() { if (currentpage == num_pages) { currentpage = 0; } mypager.setcurrentitem(currentpage++, true); } }; swipetimer = new timer(); swipetimer.schedule(new timertask() { @override public void run() { handler.post(update); } }, 1000, time * 1000); } }
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