ios - CGContextRef draw lines and points,how to clear screen? -
i using cgcontextref draw lines , points in subview, want redraw. how clear screen in subview? thanks.
try this:
cgcontextclearrect(uigraphicsgetcurrentcontext(), rect); blackberry 10 - how to add multiple markers on the google map just by url? -
i have android application, want convert blackberry 10 , google map needed in app,but blackberry 10 not support googlemap , blackberry developer web site supply way replace it.the sample below: @override public void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.main); webview webview = (webview) findviewbyid(r.id.mywebview); webview.getsettings().setjavascriptenabled(true); webview.loadurl("http://maps.google.com/?ll=36.97, -122&lci=bike&z=13&t=p"); } i cannot understand it,i not know how add multiple markers on googlemap via url? can me? this worked me map shown in webview.
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