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How do multi-user split users synchronously install the installed applications in the primary user? This problem is caused by a problem encountered in recent work. The background of the problem is as follows: After the system is set to open wechat avatar, the mobile phone installs and sets the third-party input method (such as Sogou input metho ...

Python wechat ordering applet course video https://edu.csdn.net/course/detail/36074 Python practical quantitative transaction financial management system https://edu.csdn.net/course/detail/35475 1, Abstract Before introducing CopyOnWriteArrayList, let's take a look at the execution results of the following methods. The code content is as f ...

Python wechat ordering applet course video https://edu.csdn.net/course/detail/36074 Python practical quantitative transaction financial management system https://edu.csdn.net/course/detail/35475 preface This article will bring some knowledge about hard disk mounting in disk management under Linux and Linux operating system. This is probabl ...

stay JNI/NDK Development Guide (x) -- JNI local reference, global reference and weak global reference This article introduces in detail the use methods, differences, application scenarios and development considerations of the three references in JNI. Because they are all theories, they may not be impressed enough after reading, which is an erro ...

In Android development, program Crash can be divided into three cases: uncapped exception, anr (Application Not Responding) and flash back (error caused by NDK). The uncapped exception is easy to locate the error according to the stack information printed by logcat. It is easy to check the anr error. Android stipulates that if the application d ...

1. Use of listview and GridView Firstly, the use of these two components requires adapters. We need to customize the adapters. In the customization process, we need to inherit arrayadapter < > (), in which we need to rewrite two important functions, int getPosition() and View getView(). In this function, we need to write the View, that i ...

Android simple dynamic loading - batch replacement of resource packages to achieve skin change Dynamic loading technology: The core is to dynamically call external dex files. In extreme cases, the dex file with Android APK is only a program entry (or an empty shell). All functions are completed by downloading the latest dex file from the serve ...

preface Previously, I only knew that the Launcher was the desktop, that is, the icon of the installed application was displayed, and I didn't know anything else. When I want to learn it and modify it, I find that the Launcher involves a lot of things. This time, I will make a record of my understanding of the Launcher layout. one Through und ...

According to the old rule, the picture above first to see if it is what you want. Meituan effect: Final effect: A graphic analysis Next, I want to write a simple example. First analyze the layout, as shown in the figure below. The outermost layer is NestedScrollView, and then nest a LinearLayout header, a TabLayout selector in the middle a ...

Startup process of root Activity The overall process of starting the root Activity is as follows: It is mainly divided into four parts The Launcher requests ATMS to create a root ActivityATMS will request zygote to create the application processzygote to create application processATMS requests ApplicationThread to create a root Activity I ...