添加 NoteEditText 的注释

app/src/main/java/net/micode/notes/ui/NoteEditText.java

@@ -38,6 +38,10 @@ import net.micode.notes.ui.activities.NoteEditActivity;
 import java.util.HashMap;
 import java.util.Map;
 
+/**
+ * 笔记编辑控件
+ * 扩展了默认控件的一些基础功能
+ */
 public class NoteEditText extends EditText {
     private static final String TAG = "NoteEditText";
     private int mIndex;
@@ -47,8 +51,8 @@ public class NoteEditText extends EditText {
     private static final String SCHEME_HTTP = "http:";
     private static final String SCHEME_EMAIL = "mailto:";
 
-    private static final Map<String, Integer> sSchemaActionResMap = new HashMap<String, Integer>();
-
+    private static final Map<String, Integer> sSchemaActionResMap = new HashMap<>();
+    // 静态初始化
     static {
         sSchemaActionResMap.put(SCHEME_TEL, R.string.note_link_tel);
         sSchemaActionResMap.put(SCHEME_HTTP, R.string.note_link_web);
@@ -76,22 +80,32 @@ public class NoteEditText extends EditText {
          */
         void onTextChange(int index, boolean hasText);
     }
-
+    /**
+     * 文本视图改变事件监听器
+      */
     private OnTextViewChangeListener mOnTextViewChangeListener;
-
+    /**
+     * 构造器
+      */
     public NoteEditText(Context context) {
         super(context, null);
         mIndex = 0;
     }
-
+    /**
+     * 设置索引值
+      */
     public void setIndex(int index) {
         mIndex = index;
     }
-
+    /**
+    * 绑定 文本视图改变事件监听器
+     */
     public void setOnTextViewChangeListener(OnTextViewChangeListener listener) {
         mOnTextViewChangeListener = listener;
     }
-
+    /**
+     * 构造器
+      */
     public NoteEditText(Context context, AttributeSet attrs) {
         super(context, attrs, android.R.attr.editTextStyle);
     }
@@ -101,6 +115,9 @@ public class NoteEditText extends EditText {
         // TODO Auto-generated constructor stub
     }
 
+    /**
+     * 点击事件
+     */
     @Override
     public boolean onTouchEvent(MotionEvent event) {
         switch (event.getAction()) {
@@ -123,6 +140,12 @@ public class NoteEditText extends EditText {
         return super.onTouchEvent(event);
     }
 
+    /**
+     * 按下键
+     * @param keyCode   按键对应编码
+     * @param event     键盘事件
+     * @return boolean  是否成功处理
+     */
     @Override
     public boolean onKeyDown(int keyCode, KeyEvent event) {
         switch (keyCode) {
@@ -140,6 +163,12 @@ public class NoteEditText extends EditText {
         return super.onKeyDown(keyCode, event);
     }
 
+    /**
+     * 松开键
+     * @param keyCode   键对应编码
+     * @param event     键盘事件
+     * @return          是否处理成功
+     */
     @Override
     public boolean onKeyUp(int keyCode, KeyEvent event) {
         switch (keyCode) {
@@ -169,6 +198,12 @@ public class NoteEditText extends EditText {
         return super.onKeyUp(keyCode, event);
     }
 
+    /**
+     * 焦点事件改变
+     * @param focused   改变的结果是对焦还是失焦
+     * @param direction 方向
+     * @param previouslyFocusedRect 上一个聚焦的区域
+     */
     @Override
     protected void onFocusChanged(boolean focused, int direction, Rect previouslyFocusedRect) {
         if (mOnTextViewChangeListener != null) {
@@ -181,6 +216,10 @@ public class NoteEditText extends EditText {
         super.onFocusChanged(focused, direction, previouslyFocusedRect);
     }
 
+    /**
+     * 菜单内容初始化
+     * @param menu  菜单
+     */
     @Override
     protected void onCreateContextMenu(ContextMenu menu) {
         if (getText() instanceof Spanned) {