qw-notes/java/net/micode/notes/MainActivity.java

package net.micode.notes;

import android.os.Bundle;

import androidx.activity.EdgeToEdge;
import androidx.appcompat.app.AppCompatActivity;
import androidx.core.graphics.Insets;
import androidx.core.view.ViewCompat;
import androidx.core.view.WindowInsetsCompat;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // 启用全屏显示，内容可以延伸到屏幕边缘
        EdgeToEdge.enable(this);
        // 设置主布局
        setContentView(R.layout.activity_main);
        
        // 设置窗口插入监听器，处理系统状态栏和导航栏的空间
        ViewCompat.setOnApplyWindowInsetsListener(findViewById(R.id.main), (v, insets) -> {
            // 获取系统状态栏和导航栏的尺寸
            Insets systemBars = insets.getInsets(WindowInsetsCompat.Type.systemBars());
            // 设置视图的内边距，确保内容不会被系统UI遮挡
            v.setPadding(systemBars.left, systemBars.top, systemBars.right, systemBars.bottom);
            return insets;
        });
    }
}