Programmer Think

The last blog recorded the basic knowledge of activity. This blog recorded the basic knowledge of Broadcast radio broadcast Broadcast is a mechanism to transfer information between applications. It can transfer information between different programs or within the same program. Broadcast Receiver is used ...

Based on Android studio to customize the top menu bar -- the basic implementation of ActionBar and ToolBar Custom ActionBar Custom ToolBar Custom ActionBar ActionBar is a window function to determine the user's location, and it can provide the user's operation and navigation module. Using Action ...

1. Introduce echarts ·Introducing src directly into html ·ES imports from node_ module/echarts/echarts ·Generally, VAR ecrats = require ("ecrats"); 2. js configuration 1. Echarts Initialize and bind container var echarts = Echarts.init(document.getElementById('mai ...

Android uses GridView to load (weak reference) network pictures asynchronously (click to view) In the current Android development, more and more app s use the album function of Android. Using the album will use GridView to load pictures, but when loading a large number of pictures, there will be a black screen because the loading process is ...

Pain spot We often define constants, such as 1 2 3 4 5 6 7 public interface ItemType { public static final int TYPE_TEXT = 0; public static final int TYPE_IMG = 1; public static final int TYPE_VIDEO = 2; public static final int TYPE_AUDIO = 3; public static final int TYPE_LINK = 4; } When we print to see ...

catalog PersonCp PersonCp.java insert() ContentObserver music player 1. Add read-write permission 1.1. Dynamic permission granting (calling encapsulated methods) 2. Get music files( MainActivity.java ) 2, Music.java (entity class) Apply for access to SD card Set adapter Drop down refresh PersonCp PersonCp.java package cn.wang ...

Although there are many types of "windows" in Android system, only two types are often used: one is managed by system process, which is called "system window"; the other is generated by application program, which is used to display UI interface. If you are familiar with window manager service (WMS), everything is very simple ...

Preface A little bit of Android Reverse was done the year before, but it hasn't been done for a long time. Recently, a buddy asked me to help him do a subtitle about Android Reverse, so pick up the knowledge of Android Reverse and start over. This apk is a very simple, entry-level Android Reverse Analysis program, so this article is main ...

Due to a high security project to be done recently, it needs to use HTTPS for two-way authentication. When designing the project architecture, the client uses MVVM architecture, and realizes Android based on DataBinding + Retrofit + Rxjava. Looking up a lot of data, there are many examples of implementing two-way authentication based on native ...

1. Write a class here to start an activity by first loading the news_we just created in the onCreateView() methodContent_The frag layout, which is unexplained, goes on to provide a refresh() method for displaying news titles and content on the interface.As you can see, here you get the title and content control of the news by the findViewById() ...