Android
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Android tab tab usage Foundation
In Android programs, tab tab window is a common UI interface element. Its implementation mainly uses the tabhost class…… -
Solution of web pages loaded by WebView in Android being enlarged
In some large resolutions, the web pages loaded with WebView may be enlarged, which is obviously not the result we wan…… -
Android development uses listview to dynamically refresh an item
preface What this paper implements is to use viewholder to refresh some data, instead of refreshing all data every tim…… -
Detailed use examples of Android date and time
Android date and time usage Use of date and time; 1: Pop up boxes timepickerdialog, DatePickerDialog 2: Component Time…… -
Android simply realizes unlimited scrolling and automatic scrolling viewpager
We often see a viewpager that can automatically scroll and scroll infinitely in the application. Baidu and Google also…… -
Summary of several methods for Android to obtain internal and external SD card paths
Android SD card path: The path of external SD card may not be used by many students in their daily work, because many …… -
Detailed explanation of timing pin (refresh page request server) used in Android
I want to use 5 seconds in the program to request data (I don't recommend you to do this, my demand is this) Code disp…… -
Unsupported major.minor version 52.0 in Android studio solution
Unsupported major.minor version 52.0 in Android studio solution After the Android studio was recently updated, an erro…… -
Detailed explanation of Android memory optimization — lrucache
Concept: LruCache What is lrucache? What is the implementation principle of lrucache? In fact, these two questions can…… -
Data storage of ContentProvider in Android development tutorial
1、 Introduction to saving data by ContentProvider A program can completely expose its own data by implementing an abs…… -
Detailed explanation of Android control drag instance
Android control drag The dragging of Android control is mainly to override its ontouch () method by setting the setont…… -
Android drawerlayout implementation drawer effect example code
Official website: https://developer.android.com/training/implementing-navigation/nav-drawer.html Paste the main logic …… -
Implementation code of dialog animation effect pop up from the lower left corner of the screen in Android
Mainactivity Code: Layout of main interface: Dialog layout: Styles Code: Enter the animation (zoom in at the lower lef…… -
Detailed introduction to the constructor of Android custom view
Constructor for Android custom view Custom view is a common requirement in Android. Each custom view needs to implemen…… -
Android touch event monitoring (activity layer, ViewGroup layer, view layer) details
Android touch event monitoring at different levels In app development, we often encounter operations related to gestur…… -
Dialog pops up at the bottom of Android imitation apple
Style file Animation folder anim two files actionsheet_ dialog_ in.xml actionsheet_ dialog_ out.xml Main activity appl…… -
Playing 360 degree panoramic video in VR development for Android
VR is virtual reality. Virtual reality technology is a computer simulation system that can create and experience the v…… -
Android enables wechat to automatically say hello to people nearby (Accessibility Service)
Learn the powerful accessibilityservice!!! The following is the core code for wechat to automatically greet people nea…… -
There are more implementation schemes for listview pull-down refresh and pull-up loading in Android
Listview is often used in combination with refresh and pull-up loading. This paper summarizes three commonly used sche…… -
Implementation of activity processing return results in Android
We all have such an experience when shopping online. When confirming the order and selecting the consignee and address…… -
Asynctask is used in Android to realize file download and progress update prompt
Android provides a tool class: asynctask, which makes it easier to create long-running tasks that need to interact wit…… -
Method instance code for hiding virtual keys in Android
Here's a code to explain how Android hides virtual keys. There's no more nonsense. Let's take a look at the code and c…… -
Simple use and packaging of Android okhttp
Simple use and packaging of Android okhttp 1. I took a closer look at okhttp yesterday. In the past, I used to call th…… -
Pop up menu of wechat applet development in Android
First, let's show you the renderings. The specific renderings are as follows: The specific code is as follows: 1.index…… -
Android custom ViewGroup landscape layout (1)
Recently, I learned to customize the ViewGroup. My goal is to make a listview that I want to scroll, fill the data wit…… -
Detailed explanation of Android network data storage
1、 Introduction to network saving data You can use the network to save data, obtain data from the network when necess…… -
Detailed explanation of Android 5.0 rotation menu example
Let's show you the renderings first: This effect has not been noticed before Android 5.0 launched the UI effect of "ma…… -
Detailed introduction to the fallback stack example of Android fragment
Fallback stack for Android fragment After clicking on, press the back key once to return only once Mainactivity class …… -
Android notification details and example code
Android notification instance details 1. Use builder mode to create 2. You must set a smallicon or setticker 3. Setcon…… -
Activity controls dialog style, display size and location
To meet the needs of project development, since the project is nearing completion, the user proposes to modify the con…… -
Android mobile browser debugging using chrome for debugging example details
Use chrome on your PC to remotely debug the mobile page Tool preparation Turn on debugging mode Connect your computer …… -
Android opengles2.0 isosceles right triangle and color triangle (III)
In the last blog, we have drawn a right triangle. Although we set the two waist of the right triangle to be equal rela……