java - How do I execute a class in another activity -
i'm trying execute class(getdirecoes, in mapsactivity) activity (detailsactivity), idea is, when click in floating action button (detailsactivity) execute class (getdirecoes) , close current activity (detailsactivity), when close activity automatically open parent activity (mapsactivity) method getdirecoes is. i'm trying execute method this:
new mapsactivity.getdirecoes().execute(latrepr, lngrepr); but doesn't work giving me error:
mapsactivity' not enclosing class
the correction android studio offers me make getdirecoes static, can't because if entire class breaks, here's getdirecoes class:
public class getdirecoes extends asynctask<string, void, void> implements serializable { @override protected void onpreexecute() { super.onpreexecute(); pdialog = new progressdialog(mapsactivity.this); pdialog.setmessage("aguarde..."); pdialog.setcancelable(false); pdialog.show(); } @override protected void doinbackground(string... params) { httphandler sh = new httphandler(); txtdistanciatotal = (textview) findviewbyid(r.id.txtdistanciatotal); txtduracaototal = (textview) findviewbyid(r.id.txtduracaototal); instrucoes = (textview) findviewbyid(r.id.instrucoes); string url1 = "https://maps.googleapis.com/maps/api/directions/json?origin="; string url2 = "&destination="; string url3 = "&key=aizasybh6tmmrc6qahmjewfgvgc8xojc0wmajxq&language=pt"; string latrepr = params[0]; string lngrepr = params[1]; final string jsonstr = sh.makeservicecall(url1 + mylatitude + "," + mylongitude + url2 + latrepr + "," + lngrepr + url3); log.e(tag, "link: " + url1 + mylatitude + "," + mylongitude + url2 + latrepr + "," + lngrepr + url3); log.e(tag, "resposta url: " + jsonstr); if (jsonstr != null) { try { jsonobject root = new jsonobject(jsonstr); jsonarray routes = root.optjsonarray("routes"); if (routes != null) { jsonobject singlerout = (jsonobject) routes.get(0); jsonarray legs = (jsonarray) singlerout.get("legs"); if (legs != null) { jsonobject singleleg = (jsonobject) legs.get(0); //distancia total jsonobject distancet = (jsonobject) singleleg.get("distance"); if (distancet != null) { distt = distancet.getstring("text"); } //duracao total jsonobject durationt = (jsonobject) singleleg.get("duration"); if (durationt != null) { durat = durationt.getstring("text"); } jsonarray steps = (jsonarray) singleleg.get("steps"); if (steps != null) { (int j = 0; j < steps.length(); j++) { jsonobject singlestep = (jsonobject) steps.get(j); hashmap<string, string> direcao = new hashmap<>(); jsonobject distance = (jsonobject) singlestep.get("distance"); //distancia if (distance != null) { string dist = distance.getstring("text"); direcao.put("textdi", dist); } //duraçao jsonobject duration = (jsonobject) singlestep.get("duration"); if (duration != null) { string dura = duration.getstring("text"); direcao.put("textdu", dura); } //polylines jsonobject singlepolyline = (jsonobject) singlestep.get("polyline"); if (singlepolyline != null) { string points = singlepolyline.getstring("points"); map<string, string> caminho = new hashmap<>(); caminho.put("points", points); listapolylines.add((hashmap<string, string>) caminho); } //instruções string html = singlestep.getstring("html_instructions"); direcao.put("html_instructions2", html); listadirecoes.add(direcao); } } } } } catch (final jsonexception e) { log.e(tag, "error: " + e.getmessage()); runonuithread(new runnable() { @override public void run() { toast.maketext(getapplicationcontext(), "error: " + e.getmessage(), toast.length_long).show(); } }); } } else { log.e(tag, "error"); runonuithread(new runnable() { @override public void run() { toast.maketext(getapplicationcontext(), "verifique sua ligação à internet", toast.length_long).show(); } }); } return null; } @override protected void onpostexecute(void result) { super.onpostexecute(result); final listview list = (listview) (mapsactivity.this).findviewbyid(r.id.listadirecoes); listadapter adapter = new simpleadapter( (mapsactivity.this), listadirecoes, r.layout.list_item_direcoes, new string[]{"html_instructions2", "textdi", "textdu"}, new int[]{r.id.instrucoes, r.id.txtdistancia, r.id.txtduraçao}); list.setadapter(adapter); txtduracaototal.settext(durat); txtdistanciatotal.settext(distt); fazercaminho(listapolylines); if (pdialog.isshowing()) { pdialog.dismiss(); } bottom_sheet.setontouchlistener(new view.ontouchlistener() { public boolean ontouch(view v, motionevent event) { log.v(tag, "parent touch"); findviewbyid(r.id.listadirecoes).getparent().requestdisallowintercepttouchevent(false); return false; } }); listadirecoeschild.setontouchlistener(new view.ontouchlistener() { public boolean ontouch(view v, motionevent event) { log.v(tag, "child touch"); // disallow touch request parent scroll on touch of child view v.getparent().requestdisallowintercepttouchevent(true); return false; } }); } }
you can go through call class class
private activity activity; you should initialize, activity
from class, call :
((detailsactivity) activity).refreshlist(latrepr, lngrepr); now in, detailsactivity.class can as,
public void refreshlist(string latrepr, string lngrepr) { new getdirecoes().execute(latrepr, lngrepr); }
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