添加更换背景按钮及背景切换功能

Notes-master/res/layout/note_list.xml

@@ -18,8 +18,8 @@
 <FrameLayout
     xmlns:android="http://schemas.android.com/apk/res/android"
     android:layout_width="fill_parent"
-    android:layout_height="fill_parent"
-    android:background="@drawable/list_background">
+    android:layout_height="fill_parent">
+<!--    android:background="@drawable/bg1">-->
 
     <LinearLayout
         android:layout_width="fill_parent"

Notes-master/res/values-zh-rCN/strings.xml

@@ -36,6 +36,8 @@
     <string name="note_link_web">浏览网页</string>
     <string name="note_link_other">打开地图</string>
     <!-- note list string -->
+    <string name="menu_bg1">背景图1</string>
+    <string name="menu_bg2">背景图2</string>
     <string name="menu_create_folder">新建文件夹</string>
     <string name="menu_export_text">导出文本</string>
     <string name="menu_sync">同步</string>

Notes-master/res/values/strings.xml

@@ -39,6 +39,9 @@
     <string name="file_path">/MIUI/notes/</string>
     <string name="file_name_txt_format">notes_%s.txt</string>
     <!-- notes list string -->
+    <string name="menu_bg1">Background: bg1</string>
+    <string name="menu_bg2">Background: bg2</string>
+
     <string name="format_folder_files_count">(%d)</string>
     <string name="menu_create_folder">New Folder</string>
     <string name="menu_export_text">Export text</string>
@@ -62,6 +65,7 @@
     <string name="menu_folder_view">View folder</string>
     <string name="menu_folder_delete">Delete folder</string>
     <string name="menu_folder_change_name">Change folder name</string>
+    <string name="menu_add_image">add Image</string>
     <string name="folder_exist">The folder %1$s exist, please rename</string>
     <string name="menu_share">Share</string>
     <string name="menu_send_to_desktop">Send to home</string>
@@ -69,7 +73,6 @@
     <string name="menu_remove_remind">Delete reminder</string>
     <string name="menu_title_select_folder">Select folder</string>
     <string name="menu_move_parent_folder">Parent folder</string>
-    <string name="menu_add_image">add Image</string>
     <string name="info_note_enter_desktop">Note added to home</string>
     <string name="alert_message_delete_folder">Confirm to delete folder and its notes?</string>
     <string name="alert_title_delete">Delete selected notes</string>

Notes-master/src/net/micode/notes/ui/NotesListActivity.java

@@ -79,6 +79,7 @@ import java.io.InputStreamReader;
 import java.util.HashSet;
 
 public class NotesListActivity extends Activity implements OnClickListener, OnItemLongClickListener {
+    private  int mode=-1;
     private static final int FOLDER_NOTE_LIST_QUERY_TOKEN = 0;
 
     private static final int FOLDER_LIST_QUERY_TOKEN      = 1;
@@ -139,6 +140,10 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         setContentView(R.layout.note_list);
+
+        getWindow().setBackgroundDrawableResource(R.drawable.bg1);
+        getWindow().setBackgroundDrawableResource(R.drawable.bg2);
+
         initResources();
 
         /**
@@ -775,12 +780,27 @@ public class NotesListActivity extends Activity implements OnClickListener, OnIt
         } else {
             Log.e(TAG, "Wrong state:" + mState);
         }
+        if (mode==-1){
+            menu.findItem(R.id.menu_bg1).setVisible(false);
+        }else if (mode==0){
+            menu.findItem(R.id.menu_bg2).setVisible(false);
+        }
         return true;
     }
 
     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
+            case R.id.menu_bg1:{
+                mode=-1;
+                getWindow().setBackgroundDrawableResource(R.drawable.bg1);
+                break;
+            }
+            case R.id.menu_bg2:{
+                mode=0;
+                getWindow().setBackgroundDrawableResource(R.drawable.bg2);
+                break;
+            }
             case R.id.menu_new_folder: {
                 showCreateOrModifyFolderDialog(true);
                 break;