注释

Notes-master/.idea/deploymentTargetDropDown.xml

@@ -3,20 +3,7 @@
   <component name="deploymentTargetDropDown">
     <value>
       <entry key="app">
-        <State>
-          <targetSelectedWithDropDown>
-            <Target>
-              <type value="QUICK_BOOT_TARGET" />
-              <deviceKey>
-                <Key>
-                  <type value="VIRTUAL_DEVICE_PATH" />
-                  <value value="C:\Users\Wind\.android\avd\Pixel_3a_API_34_extension_level_7_x86_64.avd" />
-                </Key>
-              </deviceKey>
-            </Target>
-          </targetSelectedWithDropDown>
-          <timeTargetWasSelectedWithDropDown value="2023-12-20T17:00:14.374448700Z" />
-        </State>
+        <State />
       </entry>
     </value>
   </component>

Notes-master/.idea/vcs.xml

@@ -0,0 +1,6 @@
+<?xml version="1.0" encoding="UTF-8"?>
+<project version="4">
+  <component name="VcsDirectoryMappings">
+    <mapping directory="$PROJECT_DIR$/.." vcs="Git" />
+  </component>
+</project>

Notes-master/app/src/main/java/net/micode/notes/ui/AlarmAlertActivity.java

@@ -55,11 +55,11 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
         win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
 
         if (!isScreenOn()) {
-            win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
-                    | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
+            win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON  //保持窗体点亮
+                    | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON  //将窗体点亮
                     | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
                     | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
-        }
+        } //在手机锁屏后如果到了提示时间，点亮屏幕
 
         Intent intent = getIntent();
 
@@ -84,6 +84,7 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
     }
 
     private boolean isScreenOn() {
+        //判断屏幕是否锁屏，调用系统函数判断，最后返回值是布尔类型
         PowerManager pm = (PowerManager) getSystemService(Context.POWER_SERVICE);
         return pm.isScreenOn();
     }
@@ -121,6 +122,10 @@ public class AlarmAlertActivity extends Activity implements OnClickListener, OnD
 
     private void showActionDialog() {
         AlertDialog.Builder dialog = new AlertDialog.Builder(this);
+        //AlertDialog的构造方法全部是Protected的
+        //所以不能直接通过new一个AlertDialog来创建出一个AlertDialog。
+        //要创建一个AlertDialog，就要用到AlertDialog.Builder中的create()方法
+        //如这里的dialog就是新建了一个AlertDialog
         dialog.setTitle(R.string.app_name);
         dialog.setMessage(mSnippet);
         dialog.setPositiveButton(R.string.notealert_ok, this);

Notes-master/app/src/main/java/net/micode/notes/ui/DropdownMenu.java

@@ -35,9 +35,12 @@ public class DropdownMenu {
     public DropdownMenu(Context context, Button button, int menuId) {
         mButton = button;
         mButton.setBackgroundResource(R.drawable.dropdown_icon);
+        //设置这个view的背景
         mPopupMenu = new PopupMenu(context, mButton);
         mMenu = mPopupMenu.getMenu();
         mPopupMenu.getMenuInflater().inflate(menuId, mMenu);
+        //MenuInflater是用来实例化Menu目录下的Menu布局文件
+        //根据ID来确认menu的内容选项
         mButton.setOnClickListener(new OnClickListener() {
             public void onClick(View v) {
                 mPopupMenu.show();
@@ -49,7 +52,7 @@ public class DropdownMenu {
         if (mPopupMenu != null) {
             mPopupMenu.setOnMenuItemClickListener(listener);
         }
-    }
+    }//设置菜单的监听
 
     public MenuItem findItem(int id) {
         return mMenu.findItem(id);

Notes-master/app/src/main/java/net/micode/notes/ui/NoteEditActivity.java

@@ -84,6 +84,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         public ImageView ibSetBgColor;
     }
 
+    //使用Map实现数据存储
     private static final Map<Integer, Integer> sBgSelectorBtnsMap = new HashMap<Integer, Integer>();
     static {
         sBgSelectorBtnsMap.put(R.id.iv_bg_yellow, ResourceParser.YELLOW);
@@ -153,7 +154,7 @@ public class NoteEditActivity extends Activity implements OnClickListener,
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         this.setContentView(R.layout.note_edit);
-
+        //对数据库的访问操作
         if (savedInstanceState == null && !initActivityState(getIntent())) {
             finish();
             return;
@@ -329,10 +330,13 @@ public class NoteEditActivity extends Activity implements OnClickListener,
         if (!mWorkingNote.existInDatabase()) {
             saveNote();
         }
+        //在创建一个新的标签时，先在数据库中匹配
+        //如果不存在，那么先在数据库中存储
         outState.putLong(Intent.EXTRA_UID, mWorkingNote.getNoteId());
         Log.d(TAG, "Save working note id: " + mWorkingNote.getNoteId() + " onSaveInstanceState");
     }
 
+    //MotionEvent是对屏幕触控的传递机制
     @Override
     public boolean dispatchTouchEvent(MotionEvent ev) {
         if (mNoteBgColorSelector.getVisibility() == View.VISIBLE

Notes-master/app/src/main/java/net/micode/notes/ui/NotesListItem.java

@@ -39,14 +39,15 @@ public class NotesListItem extends LinearLayout {
     private CheckBox mCheckBox;
 
     public NotesListItem(Context context) {
-        super(context);
-        inflate(context, R.layout.note_item, this);
+        super(context);//super()它的主要作用是调整调用父类构造函数的顺序
+        inflate(context, R.layout.note_item, this);//Inflate可用于将一个xml中定义的布局控件找出来,这里的xml是r.layout
+        //findViewById用于从contentView中查找指定ID的View，转换出来的形式根据需要而定;
         mAlert = (ImageView) findViewById(R.id.iv_alert_icon);
         mTitle = (TextView) findViewById(R.id.tv_title);
         mTime = (TextView) findViewById(R.id.tv_time);
         mCallName = (TextView) findViewById(R.id.tv_name);
         mCheckBox = (CheckBox) findViewById(android.R.id.checkbox);
-    }
+    }//根据data的属性对各个控件的属性的控制，主要是可见性Visibility，内容setText，格式setTextAppearance
 
     public void bind(Context context, NoteItemData data, boolean choiceMode, boolean checked) {
         if (choiceMode && data.getType() == Notes.TYPE_NOTE) {