TS的博客

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1.编译报错 Manifest merger failed : Attribute application@appComponentFactory value=(android.support.v4.app.CoreComponentFactory) from [com.android.support:support-compat:28.0.0] AndroidManifest.xml:22:18-91 is also present at [androidx.core:core:1.2.0] An.

一行代码处理字符串转数值 用法：int testNum = NumberUtil.toInt("1"); import java.text.DecimalFormat; /** * @author Ts * @date 2020/5/14 16:52 * @description 数值常用类 */ public class NumberUtil { /** * Instantiates a new Number util. */ public NumberU

自定义弹窗提示类 日期选择对话框 时间选择对话框 普通对话框 下拉框对话框 ListView对话框 import android.app.Activity; import android.app.DatePickerDialog; import android.app.TimePickerDialog; import android.content.Context; import android.content.DialogInterface; import android.support.v7.app

圆角矩形XML布局： <?xml version="1.0" encoding="utf-8"?> <shape xmlns:android="http://schemas.android.com/apk/res/android"     android:shape="rectangle">     <!--transparent 透明色-->