Mobile Develop

Very simple to callFirst introduced mediaplayer.framework in engineering#import 1. Get the System volumeGet System VolumeMpvolumeview *volumeview = [[Mpvolumeview alloc] init];UISlider *volumeviewslider= Nil;For (UIView *view in [Volumeview Subviews]

Android in the image of the memory optimization method, the need for friends can refer to1. Manipulate the picture itselfTry not to use Setimagebitmap, Setimageresource, Bitmapfactory.decoderesource to set up a large map, because these methods after

In Android, Activity Manager and Window Manager System Services monitor the operation of each program, and the ANR prompt dialog box pops up when the program appears in the following three scenarios:1. The user does not respond for 5 seconds after

- (BOOL ) Isallowednotification { //ios8 Check if user allow notification if (is_ios_8) {//System is iOS8Uiusernotificationsettings *setting = [[UIApplication sharedapplication] currentusernotificationsettings]; if (Uiusernotificationtypenone! =

I do not know why I wrote a phone in the command line to create a file code, and later because of the need, the new folder needs to be expressed in Chinese, because the intuitive, and then found strange garbled.Tried a variety of coding format,

Starting from yesterday, prepare the book from objective-c programming:the Big Nerd Ranch Guide and learn oc from the ground up, and improve your English reading ability by the way.The focus of today's knowledge is on the difference between class

Add a Category and then import the header file into the file using the Uiscrollview, you can//Uiscrollview+uitouch.mAlarm//Created by Zhuang Chaoxiao on 15-6-16.Copyright (c) year Zhuang Chaoxiao. All rights reserved.//#import

There are five main ways to adapt your Android screen:1. Picture adaptation (mobile phones with different pixel densities, loading images under different resource files)ldpi:320*240mdpi:480*320hdpi:800*480xhdpi:1280*720xxhdpi:1920*1080If there is no

Load optimizationMerging CSS JavaScriptMerging small pictures using Sprite chartCache all resources that can be cachedUse the long cacheUsing an outer chain reference Css,javascriptCompression Html,css,javascrptEnable gzipLoading with the first

Appcompat_v7\res\values-v21\themes_base.xml:191:error:error:no resource found that matches the given Name:attr ' Androi D:xxx 'When you create an Android project, ADT automatically creates a support Library project called APPCOMPAT_V7, and then you

Android Stutio has already come out, but the Chinese programmers still love eclipse, after all these years, has been so familiar. In fact, I think so, so I'm still sticking with eclipse. But there is still a lot of time to learn about Android Stutio,

Http://p.yigao.com/servlet/impAll.js?uid=100693&zid=149679&pid=6&w=300&c=1&sid= 58f17d4da4213259&msid=6c0b625d31986753&h=250&t=1&a=1&os=win7&scr=1366_768&ck=true &s=1&ww=284&wh=250&ym=&fs=-1&yhc=&ygclp=&lan=zh-cn&swfspt=1&yg_uf= False&det=&p=http&ho=

Member variables are used inside a class, without the need to interact with the outside world, and the member variables include instance variables and normal type variables. Depending on the private nature of the member variable, the attribute

This phenomenon is not only now showing PhoneGap package Sencha Touch wp8.1 The program will appear ( only WP8.1,WP8 normal ). Other JS I tested several frameworks (app framework, jquery Mobile), as if there were no such problems.Let me describe

Before, we typically call system settings (Time settings, network settings, and so on) in the following way:1 New Intent (); 2 New ComponentName ("Com.android.settings",3 "com.android.settings.WirelessSettings"); 4 Intent.setcomponent (CN); 5

Example 1int cnt=0;final static int kbufferminsize=1000;final static int kbuffermaxsize=2000;StringBuffer strbuffer=new StringBuffer (kbufferminsize);StringBuffer strbuffer2=new StringBuffer (kbufferminsize);StringBuffer strbuffer3=new StringBuffer (

China UnionPay DNA Mobile Payment interfaceChina UnionPay DNA Mobile payment interface, no need to open online banking, only the use of debit cards, credit cards and so on can be paid, payment by the customer when receiving a phone number to enter

In the development of Android programs, we often use shape to define a variety of shapes.Shape is used for setting shapes, can be used in selector,layout and so on, there are 6 sub-tags, the properties are as follows:　　Android:shape= "Rectangle" >"

as more and more of the market APP on- line, A lot of software on the phone memory requirements are also very large, so we must be in the development of how to optimize the memory, to optimize their own apps as much as Possible. Today we'll take a

Android 4.0|--Makefile|--bionic (bionic C Library)|--bootable (boot Boot Related Code)|--build (storage System compilation rules and basic development package configuration such as Generic)|--cts (android compatibility test suite Standard)|--dalvik (