Reflection foundation and its application scenario in Java
1. Foundation 1. Definition of reflection: java reflection mechanism is to know all the properties and methods of any class in the running state; For any object, you can call any of its methods and properties; This kind of dynamically acquired information and the function of dynamically callinUTF-8...
Posted by codygoodman on Tue, 09 Nov 2021 14:21:40 +0530
@Onllifecycle event is discarded. It is recommended to use defaultlifecycle observer instead
Recently, Android x.lifecycle released version 2.4.0. In this update, the @ onllifecycle event annotation is discarded. It is officially recommended to use lifecycle eventobserver or defaultlifecycle observer instead Lifecycle is indispensable in modern Android applications. It is the existenceUTF-8...
Posted by filippe on Tue, 09 Nov 2021 17:11:24 +0530
Design a responsive network request
preface Network requests are often involved in daily development. With the complexity of business, the requirements for the functions and responsibilities of the request library are becoming higher and higher. A good request library can get twice the result with half the effort in daily developUTF-8...
Posted by Shygirl on Wed, 10 Nov 2021 06:53:25 +0530
Practicing WorkManager using the Kotlin API
WorkManager A series of API s are provided to make it easier to plan asynchronous tasks. Even after the application is shut down or the device is restarted, it is still necessary to ensure that immediate or delayed tasks are handled normally. For Kotlin developers, WorkManager provides the besUTF-8...
Posted by ForumSecure on Tue, 08 Mar 2022 10:22:24 +0530
True · Android Zxing code scanning Chinese random code solution
Zxing3.2.1 I have encountered the problem of random code scanning in Android Zxing before, so I searched online and solved it. Today, I encountered another problem. It's still messy. The research is summarized as follows: Zxing can add the default encoding format in Hints. This encoding format UTF-8...
Posted by sid666 on Tue, 08 Mar 2022 13:45:14 +0530
Usage of five main storage methods for Android
The complete code is at the end of the article. 1, Shared parameters SharedPreferences SharedPreferences is a lightweight storage tool for Android. The storage structure adopted is the key value pair method of key value, which conforms to the configuration file of XML specification. SharedPrefUTF-8...
Posted by BK87 on Tue, 08 Mar 2022 16:22:01 +0530
Data structure, AVL, balanced binary tree
Personal blog portal 1, Instructions must be met Balance factor: left subtree right subtree of binary tree = height difference, possible value in balance tree (- 1, 0, 1) Balance: the absolute value of the balance factor is less than 2 (the first picture in the figure below is a balanced tree, UTF-8...
Posted by stephanie on Tue, 08 Mar 2022 18:29:23 +0530
Navigation is easy to understand, superb, and then practical transformation
Transform Navigation Objectives: Discard the xml file and manage the routing nodes in the way of annotation. The mapping relationship is used to dynamically generate the routing node configuration fileTransform the FragmentNavigator, replace replace(), use show(),hint() to route the fragment CuUTF-8...
Posted by slicer123 on Tue, 08 Mar 2022 22:13:46 +0530
Using HttpURLConnection to request local json data simulation interface in Android
1, Establish local analog data interface (return json data) Here, please refer to another article to build a simulated json data interface using Moco framework Example: 2, Android studio implements the request in the corresponding place. The steps and implementation code are as follows: 1. PrelUTF-8...
Posted by metin on Tue, 08 Mar 2022 22:58:13 +0530
About Gaode map problem summary custom Marker display
In using the map module, we need to use customized markers in the map and customize the click pop-up box events. Next, I will take you to see how to add and use markers in the map. 1. First, we initialize the required parameter object. MapView planDetailMap; //Custom form private View infoWindoUTF-8...
Posted by diggysmalls on Wed, 09 Mar 2022 01:59:32 +0530