【Android 踩过的坑】4. java.io.IOException: Cannot run program “/system/xbin/su”: error=2, No such file or directory情况：Android 4.4系统正常跑，Android 8.0系统就报错了Process su = Runtime.getRuntime().exec("/system/xbin/

Error response from daemon: Get https://index.docker.io/v1/search?q=portainer&n=25: dial tcp: lookup index.docker.io: no such host

package aystudio.nopi.materialdesign;import android.content.Intent;import android.graphics.Color;import android.support.design.widget.CollapsingToolbarLayout;import android.support.v7.app.ActionB...

4. Intent的使用1.显式使用Intent intent = new Intent(NoautoActivity.this,MainActivity.class);startActivity(intent);2.隐式使用Intent intent = new Intent("aystudio.nopi.allstudies.ACTION_START");//添加Category...

15. 自定义控件的使用public class TitleLayout extends LinearLayout {public TitleLayout(Context context, AttributeSet attrs) {super(context, attrs);//动态加载LayoutInflater.from(co...

4.打开另外一个Activity1.下载素材。本节素材源码，请在公众号回复" AS1205 "。2.新建一个Activity。3.填写Activity信息。4.修改新建的SecondActivity的布局文件。<?xml version="1.0" encoding="utf-8"?><androidx.constraintlayout.widget.Con...