摘要:
package com.example.myapplication; import android.os.Bundle; import android.app.Activity; import android.content.ContentValues; import android.databas 阅读全文
摘要:
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:app="http://schemas.android.com/ 阅读全文