Android switches languages in the app

scene: Switch between English and Chinese in settings, then jump to mainactivity .... Steps:1 . Initialize the language String savedlanguage in MyApplication =languageutil.getsavedlanguage ();if(Textutils.isempty (savedlanguage)) {Languageutil.setlanguage ("cn");//set the default language to "CN"}2 in Mainactiity @Override onnewintent () This method, if not overridden, does not refresh when launch mode is a single task @Overrideprotected voidonnewintent (Intent Intent) {if(intent.getaction () = = "Language Changed") {finish (); StartActivity (NewIntent ( This, Mainactivity.class)); } Else {        Super. Onnewintent (Intent); }} in Mainactiity @Override onnewintent () This method, if not overridden, does not refresh when launch mode is a single task3. Setting the interface code and layout file Public classSettingactivityextendsbaseactivity {radiogroup rglanguage;    RadioButton RBCN;    RadioButton Rben; Private intCheckedradiobuttonid; @Override Public voidonCreate (Bundle savedinstancestate) {Super. OnCreate (savedinstancestate);        Setcontentview (R.layout.activity_second); Rglanguage=Super.$( This, R.id.rglanguage); RBCN=Super.$( This, R.ID.RBCN); Rben=Super.$( This, R.id.rben); if("en". Equals (Languageutil.getsavedlanguage ())) {rben.setchecked (true); } Else{rbcn.setchecked (true); } Checkedradiobuttonid=Rglanguage.getcheckedradiobuttonid (); Super.$( This, r.id.btnconfirm). Setonclicklistener (NewView.onclicklistener () {@Override Public voidOnClick (View v) {if(Checkedradiobuttonid! =Rglanguage.getcheckedradiobuttonid ()) {                    if(rbcn.ischecked ()) {Languageutil.setlanguage ("CN"); } Else if(rben.ischecked ()) {Languageutil.setlanguage ("EN");                    } finish (); Intent Intent=NewIntent (Myapplication.getcontext (), firstactivity.class); Intent.setaction ("Language Changed");                StartActivity (Intent); } Else{finish ();    }            }        }); }} set the XML layout of the interface<?xml version= "1.0" encoding= "Utf-8"?><LinearLayout xmlns:android= "Http://schemas.android.com/apk/res/android"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"android:orientation= "Vertical" > <TextView android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"android:gravity= "Center"Android:text= "@string/switcher"/> <Radiogroup Android:id= "@+id/rglanguage"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"android:orientation= "Vertical" > <RadioButton Android:id= "@+id/rbcn"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:text= "Chinese"/> <RadioButton Android:id= "@+id/rben"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:text= "中文版"/> </RadioGroup> <Button Android:id= "@+id/btnconfirm"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:text= "@string/confirm"/></linearlayout>4.LanguageUtil Code Public classLanguageutil {/*** Set Language * *@paramlanguage "cn" = Chinese, "en" = English*/     Public Static voidSetLanguage (String language) {Resources Resources=Myapplication.getcontext (). Getresources (); Configuration Configuration=resources.getconfiguration (); Configuration.locale=NewLocale (language); Resources.updateconfiguration (Configuration,NULL);    Savelanguage (language); }     Public Static voidSavelanguage (String language) {Myapplication.getcontext (). Getsharedpreferences ("Settings", Context.mode_private). Edit (). putstring ("Language", language). commit (); }     Public StaticString getsavedlanguage () {returnMyapplication.getcontext (). Getsharedpreferences ("Settings", Context.mode_private). GetString ("Language",NULL); }}

Android switches languages in the app