摘要:
?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" and 阅读全文
摘要:
package com.example.myapplication; import androidx.appcompat.app.AppCompatActivity; import android.app.Activity; import android.content.Intent; import 阅读全文