摘要：
package com.example.myapplication; import androidx.appcompat.app.AppCompatActivity; import android.app.Activity; import android.content.Intent; import 阅读全文
posted @ 2020-12-20 15:32
Happy_Virus
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摘要：
<?xml version="1.0" encoding="utf-8"?> <androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android" x 阅读全文
posted @ 2020-12-20 15:30
Happy_Virus
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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
posted @ 2020-12-20 15:28
Happy_Virus
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