Android Easy to replace skin

Skin replacement

1. Changing the skin is actually changing the background image of the activity

Directly on the code:

Activity:

1  Public classMainactivityextendsActivityImplementsOnclicklistener {2 3     PrivateSkinmanager Skinmanager;4     Private intdownnums;5     PrivateButton btn;6 7 @Override8     protected voidonCreate (Bundle savedinstancestate) {9         Super. OnCreate (savedinstancestate);Ten Setcontentview (r.layout.activity_main); OneSkinmanager =NewSkinmanager ( This); A skinmanager.init (); -BTN =(Button) Findviewbyid (R.id.btn_skin); -Btn.setonclicklistener ( This); the     } -  -     /** - * Background Switch +      */ - @Override +      Public Booleanontouchevent (Motionevent event) { A         Switch(Event.getaction ()) { at          CaseMotionevent.action_down: -downnums++; -Skinmanager.toggleskin (downnums% 5); -              Break; -  -         } in  -         return Super. Ontouchevent (event); to     } +  -     /** the * Click to pop up the theme selection box, that is, select the picture *      */ $ @OverridePanax Notoginseng      Public voidOnClick (View v) { -  the         Switch(V.getid ()) { +          CaseR.id.btn_skin: AGridView Grid =NewGridView ( This); thelistNewArraylist(); +hashmap<string, object> map =NewHashmap<string, object>(); -Map.put ("Imgid", r.drawable.default_wallpaper); $ list.add (map); $hashmap<string, object> map1 =NewHashmap<string, object>(); -Map.put ("Imgid", r.drawable.wallpaper_c); - List.add (MAP1); theSimpleadapter adapter =NewSimpleadapter ( This, List, -R.layout.item,NewString[] {"Imgid" },Wuyi                     New int[] {r.id.image}); the Grid.setadapter (adapter); -             NewAlertdialog.builder ( This). Settitle ("Select Picture"). Setview (GRID) Wu . Create (). Show (); -              Break; About  $         } -     } -}

Activity_main.xml

1 <LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"2 Xmlns:tools= "Http://schemas.android.com/tools"3 Android:layout_width= "Match_parent"4 Android:layout_height= "Match_parent"5 android:orientation= "vertical"6 Tools:context=". Mainactivity " >7 8     <TextView9         Android:layout_width= "Wrap_content"Ten Android:layout_height= "Wrap_content" One Android:text= "@string/hello_world" /> A  -     <Button -         Android:id= "@+id/btn_skin" the Android:layout_width= "Match_parent" - Android:layout_height= "Wrap_content" - Android:text= "Skin Selection" /> -  + </LinearLayout>

Item.xml

1 <?XML version= "1.0" encoding= "Utf-8"?>2 <LinearLayoutxmlns:android= "Http://schemas.android.com/apk/res/android"3 Android:layout_width= "Match_parent"4 Android:layout_height= "Match_parent"5 android:orientation= "vertical" >6 7     <ImageView8         Android:id= "@+id/image"9 Android:layout_width= "70DP"Ten Android:layout_height= "70DP" /> One  A </LinearLayout>

Skinmanager.class

1  Public classSkinmanager {2 3     PrivateString spname = "Skin_storage";4 5     Privatesharedpreferences sp;6 7     PrivateActivity activity;8 9     Private intDrawablearray[] ={r.drawable.default_wallpaper,Ten r.drawable.wallpaper_c, R.drawable.wallpaper_d, One r.drawable.wallpaper_f, r.drawable.wallpaper_g}; A  -      PublicSkinmanager (activity activity) { -          This. Activity =activity; theSP = activity.getsharedpreferences (spname, 0); -     } -  -     /** + * Save Skin ID -      */ +     Private voidSaveimgid (intID) { AString editorname = "SkinID"; atSharedpreferences.editor Editor =Sp.edit (); - Editor.putint (Editorname, ID); - editor.commit (); -     } -  -     /** in * Get current skin -      */ to     Private intGetcurrentimgid () { +String editorname = "SkinID"; -         returnSp.getint ("SkinID", r.drawable.default_wallpaper); the  *     } $ Panax Notoginseng      Public voidToggleskin (inti) { -         Try { the Activity.getwindow () + . Setbackgrounddrawableresource (Drawablearray[i]); A}Catch(Exception e) { the         } +     } -  $      Public voidinit () { $  -Activity.getwindow (). Setbackgrounddrawableresource (drawablearray[0]); -     } the  -}

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Android Easy to replace skin