Mobile Develop

Exercise 1: A super-simple doodle AppPreparation: Install the ADT Bundle development environment (I use v23, the official download is wall, can download from here). Create a new Android program project.A. The SDK minimum version selection API

Transfer from http://blog.csdn.net/shimiso/article/details/44677041One, memory leaksMemory leaks can reduce the performance of your computer by reducing the amount of available memory. Eventually, in the worst case, too much free memory is allocated,

-"self". Call the setter or getter method of the class, and "_" gets its own instance variable directly.There is a difference between the property and the instance variable.-the former declaration, if there is no readonly modification, the class

Swiperefreshlayout Google's official drop-down refresh control, I was using on the ListView.To define a layout file:1 LinearLayout2 xmlns:android= "Http://schemas.android.com/apk/res/android"3 android:orientation= "Vertical"4 android:layout_width=

First, add the following custom style to the Styles.xml: Copy CodeThe contents of the My_checkbox.xml are: Copy CodeCode snippets that use custom styles: Android:id= "@+id/checked"

Call Safar to open a Web page[[UIApplication sharedapplication] openurl:[nsurl urlwithstring:@ "Http://www.cnblogs.com/foxmin"];Call the App Store (the ellipsis is appended with some parameters such as the Product ID)[[UIApplication

iOS development some special software needs to configure the corresponding key value in the project, but recently found an interesting phenomenon in the project, Apple's official document provides a lot of key values, but in fact, some of them may

See the Netizen a piece of technical blog explained the use of LRUCache, I added it to my project, but added breakpoint found, the list up and down, it is true that you can not reload the picture, but reopen the activity or restart the application,

[Self.navigationcontroller pushviewcontroller:[self.navigationcontroller.viewcontrollers ObjectAtIndex:i] Animated:yes];i is where you want the page to go in the total page. When the page is relatively long, the above method may not be appropriate,

This project is based on the requirements of my company project, may be applicable to many other projects.Prepare the gulp environment.First you can create a project using gulp, configure the Gulpfile.js file, I put gulpfile.js under the root

Add push code to iOS programsAdding Code for a Push Enabled IOS applicationNow that we've started developing the project, we need to make some changes to the program in order for the app to accept push notifications.We are now ready to start

In the cell.m file1) Initialize the method:Self.lalname=[[uilabel Alloc] Initwithframe:cgrectmake (5, +)]; [Self addSubview:self.lalName];2) Create a method:Introduce the assignment to the user and implement the wrap-(void) Setintroductiontext:

Android application development, often use Viewpager + Fragment, although the effect is good, but then there are some problems, the following is the initialization of the problem.Viewpager 2 pages pre-loaded before and after initialization, even if

//Viewcontroller.mGesture recognition//Created by Cheze on 15/4/2.Copyright (c) 2015 Cheze. All rights reserved.//#import "ViewController.h"#define ImageFrame CGRectMake (22, 22, 222, 222)@interface Viewcontroller (){Uiimageview * ImageView;float

This article reprinted to http://blog.csdn.net/woaifen3344/article/details/41284319 NaviosIf a friend encounters a flashing question from the current hidden navigation interface push to the next display navigation interface,Here's a scenario I wrote

Write your test code here Nserror *error = nil; Nsdictionary *requestcontents = @{@ "Receipt-data": [Receipt base64encodedstringwithoptions:0] @ "Password": @ "29596c75453d49d4a8a46b7e89fff625"};

Define the contents of the mobile appEvery good app always starts with a concept, you don't need a very complete and fine concept to start your application development, but your idea is to be clear about the following issues.What is the purpose of

"Disclaimer: This blog through learning" J Know Yu Xiau "blog and Write, Link:http://www.cnblogs.com/yc-755909659/p/4288260.html"--------------------------------------------------------------------------------------------------------The interface

1. Inadvertently see a compass UI, here is a simple imitation of a bit. is actually some of the changes in the canvas.The others are:　　3. Simply say the idea:1) First, draw a black disc2) Then draw the scale on the disc (that is, some

The animation of the navigation bar push in iOS7 has changed, I guess: it works by taking a snapshot of the previous interface before push. At push, the root view of the controller that will appear will be placed first, and a view of the snapshot is