Android: How the main thread sends messages to child threads

Today, let's talk about how the main thread in Android sends a message to a child thread.Perhaps the recollection is simply to create a handler object, then one thread sends the message, the other receives the message ...The principle is really this,

iOS within the app gets to the settings whether the current app can accept push

//ios7 system[[uiapplication sharedapplication] Enabledremotenotificationtypes] = = 0//cannot receive push, not 0 can receive push, is an enumeration type//ios8 above system[[uiapplication sharedapplication] Currentusernotificationsettings].

Canvas using Drawbitmap to draw pictures in Android

1, the main method of drawing picturesBitmap: Picture object, left: offset to position, top: offset at topDrawbitmap (Bitmap Bitmap, float left, float top, paint paint)2, to the picture splicing and limits the display areaDrawbitmap (Bitmap Bitmap,

When using the ListView, you encounter the Your content must has a ListView whose id attribute is ' Android. R.id.list ' ERROR

Today in the development of Android small applications, the use of the ListView, in the use of their own style of the ListView, there is the error message such as the title, this let me wonder, not before this problem ah, but also can run, quickly

Build a git server on Android-gidder

Recently plan to build a private git server to play, get a VPS cost a bit big, think of home also has a meter 2S, so go to Google search has a wooden android git server, after 1 hours of groping finally found on GitHub on this

Delphi Xe6 for Android self-control Locationsensor priority using GPS positioning method

The Delphi Xe6 for Android Locationsensor control defaults to the use of network positioning, the application of high positioning accuracy requires that we can modify the original code to directly specify the GPS location.Modification Method:Copy

Spritebuilder how to migrate to Android

Porting to AndroidNo Java or C + + programming is required. Spritebuilder provides a no-Xcode plugin that allows your OC code to cross-compile to Android.Spritebuilder Android DocumentationWebsite: http://android.spritebuilder.comInstalling Android

Android Basic Notes (vii)-page jump and data transfer

Activity profile Simple use of activity Jumps between the activity Intent to pass data Create activity get Return data How to call the system send SMS page How to send a text message Activity profileActivity is one of

Workarounds for iOS automatic layout and non-automatic layout nesting

/ * Say a few words about AutoLayout* When there are AutoLayout and autoresize child controls within a control, the parts to be fitted autoresize* translatesautoresizingmaskintoconstraints default is to open the convertedThe size of the AutoLayout

Thread-safe and thread synchronization in Java and iOS

Thread safety in Java is synchronized with threads: Create a thread to implement the class MyThread, as the threading body; Create a Test class, generate two thread objects in the main function, two objects common one line Cheng (MyThread

18.app backend How to achieve lbs

Mobile Internet, in addition to the characteristics of the online, there is an important feature, can be positioned to the location of the mobile phone. Find nearby people, nearby restaurants and more, as well as a large number of apps that need to

"Go" Android compilation system details (iii)--the compilation process

Original URL: http://www.cloudchou.com/android/post-276.htmlThe original author of this article: Cloud Chou. Welcome reprint, please indicate the source and this article link 1. OverviewThe third step in compiling Android is to compile with the MKA

Document base C:\Tomcat 6.0\webapps\manager does not exist or was not a readable directory

Error display:Severity: Error starting static Resources java.lang.IllegalArgumentException:Document base C:\Tomcat 6.0\webapps\manager does Not exist or isn't a readable directoryWorkaround:After the deployment project is started, this error may be

Django 1.8 django.core.exceptions.AppRegistryNotReady:Models aren ' t loaded yet.

In the daily development of Django, a separate PY file is often created to test the written method.# mysite/main.py#-*-coding:utf-8-*-from deploy.getinfo import *from getruntime import *def Main (): # get domain Print GetDomain () # gets

Android Open Source test framework

Google Espresso Espresso is a new tool, and the API is more precise than other tools. and smaller, more concise and easier to learn. It was originally launched at the 2013 GTAC Conference, with the goal of allowing developers to write more

Android Environment builds Android studio for the first time unable to start the solution

Android Studio and Eclipse's Android development environment build a download package:Link: Http://pan.baidu.com/s/1kTKJZkN Password: QXQFThe first occurrence of Android studio does not start:How to solve this problem:1) Go to the bin directory in

Android file storage use reference

problems that you may encounterThe Android system itself has its own storage, and the SD card can be used to expand the storage space. The former is like the hard disk in PC, the latter is good to move hard. The former space is small, the latter

Sopcinfo path Change, Nios project how to do?

Operating System: Win7 bitDevelopment Environment: Quartus II 14.0 (64-bit) + Nios II EDS 14.0When using Quartus, sometimes due to backup considerations, or download other people's hardware engineering from the Internet, the hardware engineering

Genymotion installation (unknown generic error) and configuration in the Android studio environment

the advantages of genymotion simulator I will not elaborate, a word: FAST!!! now, for the first time, the problem with GenymotionOne:* * Download and install * *(do not hang VPN speed general, if you want to quickly install the point here

10 great websites to learn Android development

1. Android DevelopersAs an Android developer, the official website of course can not be missed, from the design, training, guidance, documentation, should not be missed, in the subsequent learning process slowly understand the experience.2. Android

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