摘要:
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" an 阅读全文
摘要:
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" 阅读全文
摘要:
package com.example.myapplication; import androidx.appcompat.app.AppCompatActivity; import android.annotation.SuppressLint; import android.view.View; 阅读全文