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1. isAdded Method in Fragment When set Retain Instance (true) is set in Fragment, the Fragment can be temporarily separated from Activity when the device rotates, etc. If Fragment holds background threads at this point, or AsyncTask and others need to use Fragment's Context and so on, errors may occur. To this end, the isAdded interface is ...

Main contents: This article will introduce Material design and Supportlibrary controls, including TextInputLayout, SwitchCompat, SnackBar, Floating Action Button, Shadows, Ripples, TabLayout, RecyclerView, Card, Navigation View, Bottom Sheet, Palette controls. Reprinted please indicate the source, thank you!! http://blog.csdn.net/johnn ...

The author introduces: Jiang Xue Wei Technological Partner of IT Company, Senior IT Lecturer, CSDN Community Expert, Invited Editor, Best-selling Book Author, National Patent Inventor; Published Book: Hand-to-Hand Teaching Framework 3D Game Engine. Electronic Industry Press and< Unity3D Detailed Explanation of Actual Core Technologies, Elect ...

This note mainly records the general process of setting up, so as to quickly understand the big ideas when it is necessary to modify the settings in subsequent projects. Start with the entry, that is, the first Activity, and find android.intent.category.LAUNCHER in Android Manifest. xml. This activity-alias is the entry you are lookin ...

This paper mainly analyses the process of refusing to answer Android calls. Let's first look at the sequence diagram of the process of refusing to answer Android calls. Step 1: Slide the button to the rejection icon and call the onDecline method of Answer Fragment com.android.incallui.AnswerFragment public void onDecline(Context conte ...

Original address: http://stormzhang.com/openandroid/android/2014/01/12/android-butterknife/ As the saying goes, "A programmer who is not lazy is not a good programmer!" As an Android developer, are you often tired of a lot of findViewById and setOnClickListener code? ButterKnife It's a View Injection Framework that focuses on And ...

1. Remove the title bar from the system by code For native Activities, the main ways to clear the header bar are: Before Activity calls setContentView, call the following code ........ requestWindowFeature(Window.FEATURE_NO_TITLE); ........ However, the above code is invalid for Activities that inherit android. support. v7. app. AppCompa ...

System Architecture Diagram Prepare 12 machines 10.202.12.178 (Main 1) 10.202.12.179 (spare 1) 10.202.12.180 (Main 2) 10.202.12.181 (spare 2) 10.202.12.182 (Main 3) 10.202.12.183 (spare 3) 10.202.12.184 (Main 4) 10.202.12.185 (preparation 4) 10.202.12.186 (Arbitration 1, Routing 1, Configuration 1) 10.202.12.189 (Arbitration 2, ...

brief introduction Sliding Menu is an Android-side sliding menu component. It has powerful functions and simple settings. It can also set menu shadows, gradients, scrolling modes and so on. Sliding Menu is an open source Android project on github that can be used to quickly integrate Android sideslip menu effects Sliding menu can contain m ...

This article serves as a learning note for "the first line of code" Understand a few basic questions before you know Fragment What is Fragment? What are the benefits of Fragment? The effect of Fragment shows that there are two fragments (two fragments). The fragment on the left contains a Button and the fragment on the right con ...