Programmer Think

catalogue 1. Dynamic method: 2. Static registration broadcast 3. Send and receive custom broadcasts 4. Cross program receive broadcast There are two kinds of broadcasting, static broadcasting and dynamic broadcasting. 1. Dynamic method: Rewrite the broadcast receiver to accept the broadcast and operate according to the received broa ...

Although MVVM architecture was also used in previous projects, I was not familiar with the whole MVVM architecture because I didn't build the overall framework myself, so I built and implemented the MVVM architecture myself this time. The components used by MVVM architecture include ViewModel, LiveData, ViewBinding/DataBinding, etc. these comp ...

🚪 1. Fragment report Gradle Gradle - Module: def fragment_version = "1.3.1" implementation "androidx.fragment:fragment-ktx:$fragment_version" debugImplementation "androidx.fragment:fragment-testing:$fragment_version" 😓: You see, this is not Android test or test, but debug. We don't have it! 🤗: haven't you? You have to mak ...

The official has also changed this knowledge point twice Bitmap can be said to be the most common memory consumer in Android. Many oom problems we encounter in the development process are caused by it. Google officials have also been iterating over its pixel memory management strategy. From Android 2.3.3 to 2.3-7.1 on the java heap, and back t ...

statement The code part of this time refers to Guo Lin - the first line of code, which was written manually after learning the recyclerview chapter. . 9 drawing making . 9 the drawing material is made by myself with the drawing tool in the Windows attachment (i.e. I can't find the resource), and then imported into Android Studio for editing ...

Hello, dear friends, Yien is seeing you again. Unlike the general introduction articles on the Internet, which only stay at the level of "how to use", this article understands gradle from the perspective of source code. Of course, if you haven't read my previous article "If you don't understand gradle after reading this ar ...

1, Introduction to JSON JSON(JavaScript Object Notation) is a lightweight data exchange format. It is based on a subset of JavaScript, which is easy for people to write and read, and easy for machine parsing. JSON adopts a text format completely independent of the language, but it also uses habits similar to the C language family (inclu ...

Learning is done preface Q: an Activity implements onClickListener. At this time, a Button uses setOnClickListener(this) Why is there no memory leak? A: because the View reference object will be released when the Activity is destroyed, there will be no memory leakage. Q: can you make it more detailed? Answer: Yes, Well, the window wi ...

premise Due to the business requirements of the company, the automatic test should meet the following points: Cross application testingStrong readability of test casesThe test report is readableScreenshots of failed use cases are saved and reflected in the report Based on the above points, we chose uiautomator when selecting the automation t ...

1, Network access overview Let's explain and review. We learned Android's UI, various layouts and controls before. In fact, when we work in the future, this UI does not need us to design. A designer will design the UI for us, and then we will restore the UI in the form of code in xml file. For example, the following figure is the data c ...