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Personal thinking: When it comes to Qiliuhai adaptation, the most typical one is that some fragments of MainActivity need transparent system status bar or not, while fragments that need transparent system status bar usually have a rotation chart at the top, and then a search box is put on the rotation chart. The so-called adap ...

This article is part of Android Architecture Components Learning Notes The document code is Kotlin, but the code generated by the system is still Java. For ease of understanding, I've broken down the official examples step by step. My level is limited. If there is something wrong with me, please don't hesitate to give me advice ...

Use of # android broadcasting Before the broadcast used less, one time forgot how to write, today wrote down the convenience of their own use in the future when easy to consult. There are two ways to use broadcasting in android. Either way, you start by writing a Broadcast Receiver for a class inheritance system and rewriting ...

Worspace compile time error Errors are reported as follows: Showing Recent Messages :-1: Multiple commands produce '/Users/xxx/Library/Developer/Xcode/DerivedData/TestProject-apxxxxxxxxxxeqsvu/Build/Products/Debug-iphoneos/TestProject.app/LICENSE': 1) Target 'TestProject' (project 'TestProject') has copy command from '/Us ...

react-native version: 0.57.1 This is not an rn version problem, because 0.57.1 updates the Android SDK version to 27, which is incompatible with most third-party plug-ins that use native code, because third-party updates are not timely, SDK is still the old version. Let's start with the error log: error: invalid file path ...

1. Preface: As an IOS development engineer, I try to write the order when I'm free at work. I feel that I should write it out quickly. As a result, I debug and correct it in the process of modification and modification. It's necessary to correct the problem of having high eyes and low hands. Everything has to be knocked before ...

Visit this article if you are not clear about virtual-dom Source code of list-diff Preface: Within a vue or react, each VNode has a unique key to identify, which is usually handled automatically by the framework, but must be specified by the developer within the loop. So the following interpretation is that I use this key to represent the objec ...

The use of design patterns is only to solve a class of problems. When solving the current class of problems, it usually brings other problems when solving this problem. net Design Patterns (Builder Patterns) Learning Notes Summary: Compared with the previous engineering model, the builder model encapsulates the construc ...

Follow the steps I. AndroidManifest.xml file (manifest file) Add: android:configChanges="locale" <activity android:name="com.activity.RepairActivity" android:configChanges="locale" android:launchMode="singleTop" android:screenOrientation="portrait" android:windo ...

The libssl-dev version problem cannot be installed: Depends: libssl 1.0.0 (= 1.0.1t-1 + deb7u2) but 1.0.1t-1 + deb8u6 is to be installed       Problem phenomena: Error prompted when installing libssl-dev: sudo apt-get install libssl-dev Reading package lists... Done Building dependency tree Reading state informatio ...