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Glide caching mechanism Glide cache mechanism Glide's cache is divided into two types: one is memory cache and the other is hard disk cache. The memory cache includes weak reference cache HashMap and LruCache, and the hard disk cache is DiskLruCache. If there is no URL in the cache and no URL in the cache on the hard disk, the request is ...

Due to the needs of the project, you need to understand the data transfer process of android touch. After reading the code, record the process for later reference. This article is based on the open source code of Android 11. All codes can be viewed and downloaded at the address officially provided by aosp. The specific process of Android 11 ma ...

Reference resources: Android animation summary 1. Frame animation That is, play a series of pictures in order to achieve the animation effect. design sketch: Implementation method: Create three bitmaps in the drawable directory, which are three pictures to play a_0.xml <vector xmlns:android="http://schemas.android.com/apk/res/and ...

Integrated Development Environment AS Version SDK-API simulator (omitted from this section) Layout Design style="@style/Style Name" Click Event Binding public class LoginActivity extends AppCompatActivity implements View.OnClickListener{ protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); ...

Glide source code learning - life cycle Advantages and disadvantages of Glide advantage: 1. Diversified media loading 2. Lifecycle integration 3. Efficient cache strategy 4. Low memory overhead Disadvantages: The use method is complex Because of its powerful function, there are many methods used, and the source code is complex and large ...

About the author: CSDN blog expert, Huawei cloud sharing expert certification Series column: Kotlin beginner Learning and communication: three people must have my teacher; Choose the good and follow it, and change the bad. catalogue 1, Generic usage 1.1 advantages of generics 1.2 generic classes 1.3 generic functions 1.4 generic int ...

I believe that every mobile developer can't avoid this problem, that is, screen adaptation At present, there are many mobile devices, and the mobile screen of different devices is also different. At present, mobile terminal development should be adapted to different devices, whether it is mobile native development, applet, H5 page. So in thi ...

Listener mode (observer mode) can reduce the coupling between objects and decouple two interdependent calling classes.Facilitate modular development. Developers of different modules can focus on their own code.Listeners are used to listen to events of interest to themselves, and perform customized operations when receiving events of interest to ...

Introduction to Uiautomator2 uiautomator2 Is a library for UI automation of Android devices using Python. The underlying layer is based on Google uiautomator, which provides a library of uiautomators that can take and manipulate any control property of any APP on the screen Environment Setup Install JDK, see This article Install Android SD ...

prefaceThere are numerous articles on startup optimization on the Internet, with the same content. Most of them list some time-consuming operations, such as asynchronous loading, lazy loading, etc.During the interview, if the question about startup optimization is only answered superficially, the time-consuming operation should be placed in the ...