Android

Android connection first, to determine the status of the network, you need to have the appropriate permissions, the following is the permission code (ANDROIDMANIFEST.XML): Copy Code code as follows: Then, detect if

First, Taobao Product Details page effect The effect of our Second, the realization of ideas Using two ScrollView, two scrollview are arranged vertically, and a custom viewgroup is used to control the vertical arrangement of two scrollview,

Last week to write a demo, modeled on NetEase a dollar of the drop-pull refresh effect. The original effect is (part one) a little sun pulled down and then loosened up and bounced back up, (Part II) drop another coin to rotate in the middle axis.

Handler.post (R) In fact, this does not start a new thread, just the execution of the runnable in the Run () method, but did not execute the start () method, so runnable walk or UI thread. 1. If, like this, you can manipulate the UI, but run or

Copy Code code as follows: private void Calltowebsrvice () { Connectivitymanager Connmanager = (connectivitymanager) getsystemservice (Context.connectivity_service); if (Connmanager.getnetworkinfo (connectivitymanager.type_mobile).

Android's operation of SDcard expansion card files is a normal file operation, but there are still places to pay attention to. Like what: 1. Join SDcard Operation Authority ; 2. recognizes the existence of sdcard ; 3. You cannot create files

This lesson is about how to implement a runnable to run the Runnable.run () method on a separate thread. Runnable objects perform special operations sometimes called tasks.Thread and runnable are basic classes that depend on themselves and have

If you're going to perform a task over and over again with a different dataset (with different parameters), but only one execution at a time (the task is single-threaded), Intentservice meets your needs. When you need to automate tasks when a

I have found some tutorials on coordinatorlayout on the Internet, and most of the articles are used to introduce Coordinatorlayout, Appbarlayout, collapsingtoolbarlayout and toolbar. , which makes me unconsciously think of these several layouts to

Intentservice provides a simple structure for running operations on a single background thread. This allows it to operate time-consuming operations without affecting the UI response. Similarly, Intentservice does not affect the UI lifecycle event,

Recently, in the porting of Hevsocks5client to Android, after adding SIGNALFD and TIMERFD related system call support, you can directly use NDK to compile the executable. The direct native exectuable is not always easy to use on the Android system.

Obtained by GPS is a location type of longitude and latitude, can be converted to two double latitude and longitude.Latitude: 23.223871812820435Latitude: 113.58986039161628First create a TextView and two button Then add the code

Generally speaking. People familiar with Android programming know that Android has three basic components Activity,service and broadcastreceiver, all of which rely on intent to start. This article describes the lifecycle of activity and the use of

Overview have been trying to write an article on the Android event distribution mechanism, but has not written, these two days is just the weekend, have time, think about writing a bar, or always only stay at the level of use but not understand its

The new version of the micro-letter and QQ on the introduction of the sliding delete feature is now a more popular feature. In fact this sliding delete control, GitHub already has, is a popular open source framework Swipelistview. However, this

Micro-Letter Dialog list Sliding Delete effect is very good, for reference to the GitHub on the Swipelistview (Project address: Https://github.com/likebamboo/SwipeListView), on which a number of refactoring, Finally realized the Micro-letter dialog

No need for aidl or complex contentprovider, no need to sharedpreferences or shared storage files! Just a straightforward messenger, also known as a messenger, allows you to pass message objects in different processes, where you can communicate and

Galleries are available in many app designs, as shown in the following illustration: The example is when I am OK to write a small project, the specific source address please visit https://github.com/AlexSmille/YingMi. The gallery similar to the

The Mainactivity is as follows: Package Cc.ab; Import Android.os.Bundle; Import android.provider.Settings; Import android.app.Activity; /** * Demo Description: * Set the device to always keep the WLAN open during sleep. * Reference: * 1

The program described in this paper features a dynamic selection of component backgrounds, system skins, custom toast backgrounds, etc. in software.In order to achieve this requirement, we need to use the Sharedprefence function of Android, first