i want change colour of selected text in spinner. there anyway can change boundaries white . same problem number picker want appear color of numbers white either selected or not because text in project white
package myfyp.pkg.futureadvisor; import java.util.arraylist; import java.util.list; import android.app.activity; import android.content.intent; import android.os.bundle; import android.view.menu; import android.view.menuitem; import android.view.view; import android.widget.arrayadapter; import android.widget.button; import android.widget.edittext; import android.widget.numberpicker; import android.widget.spinner; import android.widget.textview; public class enter_info_activity extends activity { textview t1,t2,t3; edittext e1,e2; button b1; private spinner spinner2; @override protected void oncreate(bundle savedinstancestate) { super.oncreate(savedinstancestate); setcontentview(r.layout.enterinfor); t1=(textview) findviewbyid(r.id.textview1); t2=(textview) findviewbyid(r.id.programe); e1=(edittext) findviewbyid(r.id.edittext1); t3=(textview) findviewbyid(r.id.percentage); additemsonspinner2(); numberpicker np = (numberpicker) findviewbyid(r.id.np); np.setminvalue(0); //specify maximum value/number of numberpicker np.setmaxvalue(100); //gets whether selector wheel wraps when reaching min/max value. np.setwrapselectorwheel(true); //set value change listener numberpicker b1 = (button) findviewbyid(r.id.search); b1.setonclicklistener(new view.onclicklistener() { @override public void onclick(view v) { // todo auto-generated method stub intent intenet=new intent(v.getcontext(),list_item.class); startactivityforresult(intenet,0); } }); } public void additemsonspinner2() { spinner2 = (spinner) findviewbyid(r.id.spinner2); list<string> list = new arraylist<string>(); list.add("bachelor of architecture"); list.add("bachelor of business administration"); list.add("bachelor of commerce"); list.add("bachelor of computer information systems"); list.add("bachelor of science in construction technology"); list.add("bachelor of criminal justice"); list.add("bachelor of economics"); list.add("bachelor of education"); list.add("bachelor of engineering"); list.add("bachelor of fine arts"); list.add("bachelor of information systems"); list.add("bachelor of social work"); list.add("bachelor of technology"); list.add("bachelor of accountancy"); list.add("bachelor of science in aerospace engineering"); list.add("bachelor of science in architecture"); list.add("bachelor of science in architectural engineering"); list.add("bachelor of science in business administration"); list.add("bachelor of science in business , technology"); list.add("bachelor of science in chemical engineering"); list.add("bachelor of science in chemistry"); list.add("bachelor of science in civil engineering"); list.add("bachelor of science in computer engineering"); list.add("bachelor of science in computer science"); list.add("bachelor of science in criminal justice"); list.add("bachelor of science in electrical engineering"); list.add("bachelor of science in engineering technology"); list.add("bachelor of science in english literature"); list.add("bachelor of science in environmental science"); list.add("bachelor of science in history"); list.add("bachelor of science in human resources management"); list.add("bachelor of science in industrial engineering"); list.add("bachelor of science in information technology"); list.add("bachelor of science in information systems"); list.add("bachelor of science in information systems"); list.add("bachelor of science in integrated science"); list.add("bachelor of science in integrated science"); list.add("bachelor of science in international relations"); list.add("bachelor of science in journalism"); list.add("bachelor of science in manufacturing engineering"); list.add("bachelor of science in marketing"); list.add("bachelor of science in mathematics"); list.add("bachelor of science in mechanical engineering"); list.add("bachelor of science in mining engineering"); list.add("bachelor of science in software engineering"); list.add("bachelor of science in physics"); list.add("bachelor of science in politics"); list.add("bachelor of science in psychology"); list.add("bachelor of science in real-time interactive simulation"); list.add("bachelor of science in religion"); list.add("bachelor of science in risk management , insurance"); list.add("bachelor of science in science education"); list.add("bachelor of science in systems engineering"); list.add("bachelor of science in veterinary technology"); arrayadapter<string> dataadapter = new arrayadapter<string>(this, android.r.layout.simple_spinner_item, list); dataadapter.setdropdownviewresource(android.r.layout.simple_spinner_dropdown_item); spinner2.setadapter(dataadapter); } @override public boolean oncreateoptionsmenu(menu menu) { // inflate menu; adds items action bar if present. getmenuinflater().inflate(r.menu.main_activity1, menu); return true; } @override public boolean onoptionsitemselected(menuitem item) { // handle action bar item clicks here. action bar // automatically handle clicks on home/up button, long // specify parent activity in androidmanifest.xml. int id = item.getitemid(); if (id == r.id.aboutusid) { intent aboutusintent = new intent(this,aboutus_activity.class); startactivity(aboutusintent); return true; } else if (id == r.id.helpid) { intent helpintent = new intent(this,help_activity.class); startactivity(helpintent); return true; } else if (id == r.id.homeid) { intent mainintent = new intent(this,mainactivity.class); startactivity(mainintent); return true;} else if (id == r.id.exitid) { finish(); system.exit(0); } else if (id == r.id.exitid) { return false; } return super.onoptionsitemselected(item); } }
you can in layout adapter colorstatelist. can create colorstatelist using xml in color resource folder so:
<?xml version "1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android/com/apk/res/android"> <item android:state_checked="true" android:color="?attr/coloraccent"/> <item android:state_selected="true" android:color="?attr/coloraccent"/> <item android:state_pressed="true" android:color="?attr/coloraccent"/> <item android:state_activated="true" android:color="?attr/coloraccent"/> <item android:color="?android:attr/textcolorprimary"/> </selector> then can create layout using colorstatelist (i use here text color, can set attribute can use color resource):
<textview xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="wrap_content" android:padding="16dp" android:textsize="16sp" android:textcolor="@color/selector_accent"/> lastly, set layout drop down view resource:
dataadapter.setdropdownviewresource(r.layout.view_selectable); as numberpicker, doesn't there standard way set layout, should able change color of text, based on this answer. set text color using colorstatelist:
edittext.settextcolor(contextcompat.getcolorstatelist(this, r.color.selector_accent)); 
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