4.12

src/net/micode/notes/ui/AlarmAlertActivity.java

@@ -41,24 +41,27 @@ import java.io.IOException;
 
 
 public class AlarmAlertActivity extends Activity implements OnClickListener, OnDismissListener {
-    private long mNoteId;
-    private String mSnippet;
+    private long mNoteId;//数据库文本
+    private String mSnippet;//闹钟提示ui
     private static final int SNIPPET_PREW_MAX_LEN = 60;
-    MediaPlayer mPlayer;
+    MediaPlayer mPlayer;//播放声音
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
-        requestWindowFeature(Window.FEATURE_NO_TITLE);
+        //
+        //
+        //
+        requestWindowFeature(Window.FEATURE_NO_TITLE);//页面显示
 
         final Window win = getWindow();
         win.addFlags(WindowManager.LayoutParams.FLAG_SHOW_WHEN_LOCKED);
 
         if (!isScreenOn()) {
-            win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON
-                    | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON
-                    | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON
-                    | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
+            win.addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON//保持窗口点亮
+                    | WindowManager.LayoutParams.FLAG_TURN_SCREEN_ON//点亮
+                    | WindowManager.LayoutParams.FLAG_ALLOW_LOCK_WHILE_SCREEN_ON//允许锁屏
+                    | WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);//锁屏后闹钟响起点亮屏幕
         }
 
         Intent intent = getIntent();