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Ask God to help solve the problem of android mobile phone taking function. Using provider will cause APP to flash back and go in when it opens. One In Manifest, user rights corresponding to provider and camera are added: <application <provider android:name="android.support.v4.con ...

This section describes the Flutter notification function, mainly using the Flutter and native interaction function to call Android to send notifications. Design sketch Required knowledge Flutter builds channel mechanism Channel Android creates notification channel Notification Channel to send no ...

Preface IM has been implemented in the last month. The UI framework uses the storage and notification mechanism of ViewModel and LiveData to make the code succinct and easy to maintain.While the Android arch components control is powerful, we need to analyze a wave of source code implementation by the way. Today let's first analyze the source i ...

All non-basic parameters need a directional tag to indicate how data flows, whether in, out, or inout. The directional tag of the basic parameter is by default and can only be in. There are some questions in my mind about this directional tag. First of all, what is the way of data flow? Secondly, wha ...

Although new transitional animations have been introduced since Android 5.0, they are usually used only for specific occasions, and the general-purpose transitional animation of activity.overridePending Transition () is still common. Principle analysis startActivity(Intent(this,SecondActivity::class.java)) overridePendingTransition(enterAnim, e ...

intent introduction So how on earth do we jump from one window to another, and how does information from one window pass to another? Yes, through intent. Let's briefly introduce intent. There are two ways to use Intent in Android: explicit Intent and implicit Intent. //Explicit intent (this code ...

Links to the original text: https://www.cnblogs.com/huolongluo/p/5988644.html Thank you guys: https://www.cnblogs.com/huolongluo/p/5988644.html Because the project needs to make a broken line map, according to the date to show the cor ...

Links to the original text: https://www.jianshu.com/p/b66c225c19e2 The use of a large number of Web pages in App can easily lead to huge memory occupation, memory leak and high crash rate. The use of WebView independent process is a rea ...

Preface This article focuses on the size optimization of Android APK in Android performance optimization. Although the network speed is very fast and the user traffic is very large now, it is necessary to optimize our Android apk file. The user experience is still very bad even though the size of tens or hundreds of megabytes is fixed. Let's ...

outline Introduction I. Procedures for the Use of Protocol Buffer 2. Using Protobuf in Android Studio 1. Introducing protobuf-gradle-plugin Gradle plugin Android Studio project 2. build.gradle uses plug-ins and configures them accordingly under M ...