From 295bc74d2e7c20f44e5e84663a692ce300344944 Mon Sep 17 00:00:00 2001
From: MRD <1259303886@qq.com>
Date: Fri, 13 Jun 2025 19:26:35 +0800
Subject: [PATCH] =?UTF-8?q?=E6=B7=BB=E5=8A=A0=E4=BB=A3=E7=A0=81=E6=B3=A8?=
 =?UTF-8?q?=E9=87=8A?=
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---
 .../java/net/micode/notes/MainActivity.java   | 27 ++++++++++++++++++-
 1 file changed, 26 insertions(+), 1 deletion(-)

diff --git a/src/Notes-master/app/src/main/java/net/micode/notes/MainActivity.java b/src/Notes-master/app/src/main/java/net/micode/notes/MainActivity.java
index 6ba80f2..271c365 100644
--- a/src/Notes-master/app/src/main/java/net/micode/notes/MainActivity.java
+++ b/src/Notes-master/app/src/main/java/net/micode/notes/MainActivity.java
@@ -1,3 +1,7 @@
+/*
+ * 应用主Activity
+ * 负责设置全屏沉浸效果，适配系统状态栏和导航栏
+ */
 package net.micode.notes;
 
 import android.os.Bundle;
@@ -8,17 +12,38 @@ import androidx.core.graphics.Insets;
 import androidx.core.view.ViewCompat;
 import androidx.core.view.WindowInsetsCompat;
 
+/**
+ * 应用主Activity
+ * 实现全屏沉浸效果，使应用内容能够延伸到系统状态栏和导航栏区域
+ */
 public class MainActivity extends AppCompatActivity {
     
+    /**
+     * Activity创建时调用的生命周期方法
+     * 设置全屏沉浸效果并处理窗口Insets
+     * 
+     * @param savedInstanceState 保存的实例状态，如果Activity是重新创建的
+     */
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        
+        // 启用全屏沉浸效果，允许内容延伸到系统状态栏和导航栏区域
         EdgeToEdge.enable(this);
+        
+        // 设置Activity布局
         setContentView(R.layout.activity_main);
+        
+        // 设置窗口Insets监听器，处理系统窗口边界
         ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
+            // 获取系统状态栏和导航栏的Insets（边距）
             Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
+            
+            // 将Insets应用到主视图的padding中，确保内容不会被系统UI遮挡
             v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
+            
+            // 返回处理后的Insets，供其他视图继续使用
             return insets;
         });
     }
-}
\ No newline at end of file
+}