Mobile Develop

Public classlogutils{private static Final BooleanVERBOSE=true;private static Final BooleanDEBUG=true;private static Final BooleanINFO=true;private static Final BooleanWARN=true;private static Final BooleanERROR=true;private static

In Android, bitmap is generally the culprit for oom, and it is widely believed that bitmap occupies much more memory than drawable, and that there are many ways and suggestions for memory recycling on the web. For example, after the activity

Usually in the edit box to enter some number of goods, the amount of money, we will do some input judgment limit. For example, you cannot enter illegal characters, only numbers, and so on. Some of the recently encountered input restriction

1. Why does the page lag?In the development we often encounter the layout of the more complex cells, when sliding will lead to the interface is not smooth, the phenomenon of lag, this is due to CPU computing and GPU rendering, not in time to

This article introduces two Android-brought test frameworks: Monkey and Monkeyrunner1.MonkeyMonkey is an Android-built test framework that tests the stability and robustness of applications by sending random events (gestures, clicks, inputs) to the

[Abstract: Title: The use of open-up encountered the need for this: the user is downloading our device after the removal of the device package. Processing: Android will be in each of the operation of the APK action to recover the rest of the system

Using XCode7 for real machine commissioningThe first step: the establishment of engineering God horse don't talk, here choose Xcode->preferencesThe second step: Add account, is the Apple ID click + Number, after verification success as follows:Then

Don't talk nonsense, just talk about the file structure of important Android Programssrc catalog includes Project " Span lang= "ZH-CN" style= "FONT-SIZE:9PT; Line-height:22pt "> All the source files. When the project is created, it will

It is common to use custom view to override the OnDraw () function, and if you need to use the wrap_content style, you also need to override the Onmeasure function.Usually we draw a circle by drawing two different circles with the same color as the

I. OverviewLet's look at the use of layoutanimation today.Two. ImplementCreate a new animation filelayoutAnimation xmlns:android="http://schemas.android.com/apk/res/android" android:delay="30%" android:animationOrder="random"

OverviewThe Broadcastreceiver will receive the intent sent by Sendbroadcast ().If you do not need to send broadcasts across processes, consider using Localbroadcastmanager, which helps you register and send broadcasts in your own process, which is

Yuvimage in wirelessly is not commonly used, far from bitmap so common.I've been doing this for a long time. Android was developed because it was not previously touched by camera-related development, so this yuvimage was first encountered.Which is

Although Android Studio has now been updated to the Android Studio 2.1 version, build version android-studio-bundle-143.2739321. However, installing this version is installed according to your own standards, so you need to make a series of

The onclick event is the most common event in Android development, and normally this code is no problem.But Android devices, such as the performance of a variety of models, if you hit the comparison card phone,There is a possibility of a delay in

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1. OnPreExecute: Prepare time-consuming operation in main thread2. Doinbackground: Executing in a child thread3. OnPostExecute: In the main thread, after the time-consuming operation is completed, the callback after the data is obtainedpublic class

Oneself in the process of using tabhost because of time and oneself understand not deep reason, after acquiring to Tabhost AddTab operation often encounter null pointer exception, here do a summary1. When we directly let activity inherit from

This should be a frequently encountered demand, online to find a lot of demo feel said a little too long so that their own time to record, at present I realize the ListView with checkbox is mainly used in two methods 1, with a bean record state,

Complete the previous app at Eclipse and decide to go to Studio2.0.The main setup this time is1. Change of code area background color2, comments, Code Auto-complete shortcut key settings3. Toolbar customization1. Background colorfile– "setting2,

1. Get a list of week spans call directly getweeklist (0) This method can be used to get the week list/*** Get the Sunday issue list */public StaticArrayListString> Getweeklist (intStartid) {ArrayListString> list =NewarraylistString> ();DateToday =