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This paper is synchronized from http://javaexception.com/archives/77 Background: stay Last article In, we give a scheme to copy QQ effect. Today we will talk about another way to realize it. Mainly relying on an open source project https://github.com/shangmingchao/PopupList. terms of settlement: PopupList.java code encapsulation is relativ ...

The button changes the background as you press: First write a selector.xml: <?xml version="1.0" encoding="utf-8"?> <selector xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <!-- Specify picture when pressed--> ...

As shown in the figure below: to customize Google's native integrated tower icon into a grid icon, the relevant code flow: The native signal tower is shown in the figure below: Schematic diagram of customized five grid signal tower:     The original scheme is drawn by SignalDrawable according to the current signal ...

@TOC Reverse a certain autumn aviation algorithm According to packet capturing analysis, each page request of an autumn app will first send a request to / ECMember/secretKey/getSecret, most likely to obtain the key. The request and response are both base64 encoded ciphertext. Capture analysis Decompile Here we open it with jebAs you can see fr ...

Now many Android mobile terminals will use the combination of TabLayout+ViewPager. The native only has horizontal layout design. Here is a vertical tablayout control.I use AS, just introduce compile 'q.rorbin: verticaltablelayout: 1.2.5' into gradle Find this class q.rorbin.verticaltablayout.VerticalTabLayout setTabHeight set TAB heightSet ind ...

Ali P7 Mobile Internet Architect Advanced Video (Updated Daily) Free Learning Click: https://space.bilibili.com/474380680This article will use Glide to illustrate the Picture Loading Frame selection: First, add dependencies implementation 'com.github.bumptech.glide:glide:4.5.0' annotationProcessor 'com.github.bumptech.glide:compiler:4.5.0' The ...

Basic tutorial of Xamarin chart development (8) OxyPlot framework [example OxyPlotFormsDemo] display the line graph in Xamarin.Forms. (1) open the Xamarin.Forms project. (2) add the OxyPlot.Xamarin.Forms component to the introduction of each subproject. (3) open the MainActivity.cs file of the subproject OxyPlotFormsDemo.Android, and initia ...

Introduction This article is a study note written after learning the article of the big guy and doing it yourself. The article of the big guy is well written. I can't describe it clearly by myself, so many parts of this article directly quote the article of the big guy. Source code: https://github.com/LinYaoTian... Design sketch: Tip: it's best ...

Use and usage of Handler Most people who have written Android programs will encounter ANR (Application Not Responding).If the program does not respond for a period of time, a dialog box will pop up to let the user choose whether to continue waiting or force the application to close.To avoid ANR, we need to put time-consuming logic into a backg ...

1. This is the stack information. Let's analyze it Fat exception, thread in main Process: XXXXXX process id:19914   08-24 19:46:35.785 19914-19914/? E/AndroidRuntime: FATAL EXCEPTION: main     Process: com.cmcm.shorts, PID: 19914     java.lang.IndexOutOfBoundsException: setSpan (53 ... 58) ends beyond length 28         at a ...