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package net.micode.notes;
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import android.os.Bundle;
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import androidx.activity.EdgeToEdge;
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import androidx.appcompat.app.AppCompatActivity;
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import androidx.core.graphics.Insets;
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import androidx.core.view.ViewCompat;
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import androidx.core.view.WindowInsetsCompat;
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/**
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* 主活动类
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* <p>
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* 应用的主入口,负责初始化主界面并处理窗口边距。
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* 支持边到边显示模式,自动适配系统栏的边距。
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* </p>
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*/
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public class MainActivity extends AppCompatActivity {
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/**
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* 创建活动
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* <p>
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* 初始化活动界面,启用边到边显示模式,并设置窗口边距监听器。
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* </p>
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*
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* @param savedInstanceState 保存的实例状态,用于恢复活动状态
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*/
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@Override
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protected void onCreate(Bundle savedInstanceState) {
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super.onCreate(savedInstanceState);
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// 启用边到边显示模式
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EdgeToEdge.enable(this);
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setContentView(R.layout.activity_main);
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// 设置窗口边距监听器,自动适配系统栏
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ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
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// 获取系统栏边距
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Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
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// 设置视图内边距以适配系统栏
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v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
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return insets;
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});
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}
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}
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