Recent Posts
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JavaScript and Java interaction on Android WebView
In fact, the speed of WebView loading resources is not slow, but if there are many resources, of course, it is very sl…… -
Research summary of Android SQLite3 multithreading operation
Recently, when I was working on a project, I threw an exception when reading and writing the database through multithr…… -
Solutions to Android layout XML parsing errors
Tips: org.xmlpull.v1.XmlPullParserException: PI must not start with xml (position:unkNown @1:5 in java.io. InputStr…… -
The right scroll bar of Android listview enables method sharing
Many developers don't know how to enable the fast scrolling slider of the listview list control. Here, Android Develop…… -
Android custom control drop-down refresh instance code
Effect achieved: Picture material: -->First, write the pull-down refresh layout during refresh_ to_ refresh.xml: …… -
DES encryption for Android data encryption
preface: A colleague asked me about the implementation of Android DES encryption. I simply implemented it. Let's summa…… -
Android textview displays web pages and pictures parsed by HTML class and usage examples of custom tags
This article describes an example of Android textview displaying HTML class parsed web pages, pictures and custom tags…… -
Summary of some key points of android app using SQLite database
/Data / data / package name / databases is the directory where the program stores data, and data is the path returned …… -
Android programming uses the fragment interface to jump down and return level by level
This paper describes the implementation method of Android programming using fragment interface to jump down and return…… -
Android account registration realizes the countdown effect of clicking to obtain the verification code
In order to prevent malicious access to verification SMS and verification email, the website will make a countdown eff…… -
An instance of using ContentProvider to manage system resources in Android
Instances of ContentProvider managed contacts: Manage multimedia content with ContentProvider. URI provided by Android…… -
Simple example of button event monitoring developed by Android
This article illustrates the usage of button event listening developed by Android. Share with you for your reference. …… -
Ble development of Android mobile search ibeacon base station
The previous article described the communication between Android phones and ble terminals, and the most common ble ter…… -
Android uses service and activity to get the screen size
This article illustrates how Android uses service and activity to obtain screen size. Share with you for your referenc…… -
Implementation method of creating clickable button in Android Development
This article describes the implementation method of creating clickable buttons for Android. Share with you for your re…… -
Android custom WebView browser
WebView is a very practical component in Android. Like Safai and chrome, it is based on WebKit web rendering engine, w…… -
Android programming uses the content provider method for storage
This article describes the method of storing content provider in Android programming. Share with you for your referenc…… -
Summary of several methods of Android operating XML
As a recognized data exchange format in the industry, XML is widely used and implemented on various platforms and lang…… -
Generate and use JSON data instances in Android
1. Production of Jason 2. Use of Jason (1) First, create a new class in the current package (2) call in Activity 3. At…… -
Method of parsing XML file using Sax in Android
Sax is an XML parser with fast parsing speed and low memory consumption. It is very suitable for mobile devices such a…… -
Drawing shape with Android custom view
summary Previously, I wrote an article about the use of shape resources in drawable in Android. By defining the shape …… -
In Android, recyclerview is used to realize pull-down refresh and pull-up loading
Recommended reading: adding headers and footers using recyclerview Use of recyclerview HelloWorld Recyclerview is a ne…… -
Android custom view realizes the scrolling effect of advertising information up and down
Let's see the effect first: Implementation code: view_ scroll_ banner.xml： usage method: The above is the whole conte…… -
Android SMS function code
This example describes the Android SMS function code, which is a very common and important function in Android program…… -
Detailed explanation of Android pull-down refresh and GridView usage
GridView is a control similar to listview, but GridView can use multiple columns to render content, and listview is in…… -
Example analysis of WebView usage in Android
This article illustrates the usage of WebView in Android. Share it with you for your reference, as follows: @ h_ 404_ …… -
Method of Android parsing JSON data format
JSON data format analysis, I divided into two types; One is ordinary, the other is in the form of array; Common form: …… -
Explanation of some advanced techniques used by recyclerview component in Android Development
Advantages of recyclerview: Usage: Import recyclerview V7 Library: recyclerview is a control in android.support.v7 lib…… -
Detailed explanation of adding, deleting, changing and querying Android SQLite database
1、 Using embedded relational SQLite database to store data On the Android platform, an embedded relational database S…… -
Solutions to errors in calling JS by WebView in Android
problem Error calling JS for WebView. solve Modify the save method to: The above is the solution. Isn't it very simple…… -
Drawing process of Android view (Part I) measurement of view
overview The drawing process of view can be divided into three steps: measure, layout and draw. Measure represents the…… -
Analysis of Android Development Optimization: optimization skills from the perspective of code
Usually, we write programs under the pressure of project planning. At this time, the completed code can complete the s……