The difference between __bridge __bridge_retained and __bridge_transfer in IOS development

Introduction:__bridge: Implements the conversion between the ID type and the void* type;__bridge_retained:when a type is converted, the ownership of its object is also transformed after the variable is held__bridge_transfer:when a type is converted,

Android ROM Porting

Our focus on Android ROM porting is compiled from the source level, but it is not easy to compile a system from the AOSP source to run on your own phone from scratch, as Google offers too few supported models. However, we can use ready-made

IOS 8: Help sister debug third-party libraries-Ratreeview

Keywords: ratreeview sisterSunday Night meet a sister with Ratreeview (GitHub link), want to change the level two cell height. This library I have not contacted, but, the other is sister, tomorrow also to cross, then the bullet-bite to see the code

WatchKit Programming Guide: Watch apps--text, tags, and pictures

Text and Category labelsTo display text in the Watch app, use the Tag object. The category label supports formatted text that can be modified by the program at run time.To add a label to the interface controller, you can drag it to the corresponding

Use of the Android shape property

I have been in the art of being more idiot, for some color what a mess of very headache, but in the Android programming this is often involved in something, no way, only bite the bullet.Shape is often used in Android to define some of the display

Kodak to launch Android smartphone in 2015

Beijing time December 27 Morning news, Kodak has announced that the company has authorized its brand for a variety of mobile devices, and Kodak will help these products more convenient to print and share photos. Kodak's first Android smartphone will

JS call () apply ()

The ECMAScript specification defines call () and apply () two methods for all functions, and the first parameter of call and apply is the function object that needs to be called, and in the function body This parameter is the value of this, and the

IOS: Add static UITableView to Uiviewcontroller

If you add a uitableview to Uiviewcontroller directly and set its Content property to Static Cells, Xcode will error:Static table views is only valid when embedded in Uitableviewcontroller instances.This means that if UITableView is not in

Android Developer's Custom view feature (i): Custom Column Chart

Bo Master before the project, need to use the report function, before the online Baidu Google a variety of results, no one is able to meet the needs of bloggers boss, but before Bo Master had to study. Finally, a good result has been worked out.

Use of Slidingmenu in Android

public class Mainactivity extends Slidingfragmentactivity {private slidingmenu slidingmenu; @Overridepublic void OnCreate (Bundle savedinstancestate) {super.oncreate (savedinstancestate);//Full Screen requestwindowfeature (window.feature_ No_title);

Real-time rendering of seawater at Unity3d Mobile end

Real-time simulation of seawater is a relatively hot topic, mobile water simulation is hot heating, at present in this aspect of the research has been many, but the results are not very close, here we introduce a real-time rendering in the mobile

[Python] How do I switch between different versions of Python using Virtualenvwrapper?

I've heard that Virtualenv is one of the essential Python artifacts, But always feel that Mac comes with python2.7 is very useful, as if there is no need to use virtualenv, but today on GitHub to see a new Python open source project, need to use

Android Chat Robot Demo

Using the http://www.tuling123.com/openapi/implementation of the Turing Android version of the demo, you are welcome to download the trial.Demo APK and its source code free download: Http://pan.baidu.com/s/1i3vd3sLYou are welcome to focus on the

Android Quick Index (city list and contacts)

A quick indexing function for a city list has recently been required. Similar to the Contact app, the Quick Index feature is based on the first letter of the name.There are only two issues that need to be resolved to implement this feature:1, the

How to get app extension access to third-party libraries introduced by Cocoapods

Step One:Select the item, click App Extension target (here is today Extension)Step two: In the tabs on the right, select Build Settings, enter "Bridg" in the Filter boxIn the pop-up input box, enter your bridge file name (this file is to objective-c

Happyleetcode37:add Binary

Given binary strings, return their sum (also a binary string). For example,A = "11"b = "1"Return "100" . This problem is very simple, not much to say, the code on the classSolution { Public: stringAddbinary (stringAstringb) {intLengtha =a.length (

Some tips for iOS [go]

TableView do not display the cell with no content?Like this, I don't want to let the empty ones below show.Very simple.self.tableView.tableFooterView = [[UIView alloc] init];Tried all the same.After this sentence, it became.What do I do if I

Where is the future of smart phones?

Pictures from Friends LeagueI'm curious what the future of smartphones will look like.Will smartphones replace computers? Instead of TV? Replace the tablet? Become the overlord of thousands of electronic devices?Smart phones are so smart that they

Android Asynchronous request

1 classMytask_sendmessageextendsAsynctask {2 3 @Override4 protected voidOnPostExecute (String result) {5 Super. OnPostExecute (result);6 showresponsefromtuling (result);7 }8 9 @OverrideTen protectedstring

iOS two view pass values

DelegateDemo using the scene, I have a A, a, two controller,a is root, jump to b,b data input returned a and carry data display to a.A.h#import#import "SencondViewController.h"@interfaceFirstviewcontroller:uiviewcontroller@property (Strong,

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