styles - Changing theme of entire Android application using RadioButtons -


hello have 4 custom defined styles in styles.xml , trying use radiogroup in order select overall style of entire application.

<style name="bluetheme" parent="android:theme.light.notitlebar.fullscreen">     <item name="android:windowbackground">@color/blue_background</item>     <item name="android:textcolorprimary">@color/blue_text</item> </style> <style name="redtheme" parent="android:theme.light.notitlebar.fullscreen">     <item name="android:windowbackground">@color/red_background</item>     <item name="android:textcolorprimary">@color/red_text</item> </style> <style name="greentheme" parent="android:theme.light.notitlebar.fullscreen">     <item name="android:windowbackground">@color/green_background</item>     <item name="android:textcolorprimary">@color/green_text</item> </style> <style name="bwtheme" parent="android:theme.light.notitlebar.fullscreen">     <item name="android:windowbackground">@color/bw_background</item>     <item name="android:textcolorprimary">@color/bw_text</item> </style>

here code actual handling of radiogroup selection, had attempted checkboxes that's why names checkboxes.

bluecheckbox = (radiobutton) findviewbyid(r.id.bluecheckbox);     redcheckbox = (radiobutton) findviewbyid(r.id.redcheckbox);     greencheckbox = (radiobutton) findviewbyid(r.id.greencheckbox);     bwcheckbox = (radiobutton) findviewbyid(r.id.bwcheckbox);      radiogroup radiogroup = (radiogroup) findviewbyid(r.id.themeradiogroup);     radiogroup.setoncheckedchangelistener(new radiogroup.oncheckedchangelistener()     {         @override         public void oncheckedchanged(radiogroup group, int checkedid) {             // checkedid radiobutton selected              switch(checkedid) {                 case r.id.bluecheckbox:                         getapplication().settheme(r.style.bluetheme);                     break;                 case r.id.redcheckbox:                     getapplication().settheme(r.style.redtheme);                     break;                 case r.id.greencheckbox:                     getapplication().settheme(r.style.greentheme);                     break;                 case r.id.bwcheckbox:                     getapplication().settheme(r.style.bwtheme);                     break;             }         }     });

the problem having though overall style not change. in androidmanifest.xml file defaulted theme 

<application     android:allowbackup="true"     android:icon="@mipmap/ic_launcher"     android:label="@string/app_name"     android:theme="@style/bluetheme" >

but despite that, when run app theme not bluetheme. bluetheme not have colors displayed on app's activities. reason theme being displayed has gray text , dark gray / blackish background, colors displayed background colors of buttons manually set in each individual layout/activity_myactiviitesthathavebuttons xml file. not sure doing wrong, can please try provide assistance? thank help

p.s: not sure if matters believe min api set 8, believe professors wants set as.

create base activity overrides oncreate , sets theme activity based on preference. make activities override preference. preference set when user changes selection on radio button.

more information can found on similar question answered before:

switching application-wide theme programmatically?


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