android instructions for dummies

When it comes to sliding, it involves the view, and we all know that the Android UI is made up of a view and a derived class of view, view as the base class, and the layout of the common layout is the subclass of the viewgroup that it derives from. ViewGroup the overall UI as a container for each component. The following is an example of the Android UI structure:View Source [Java] view Plaincopy /*

Usage instructions of the Android SDK The Android SDK of GPRS inter is designed to develop and use Jiabo printers on the Android platform faster and more efficiently. If you encounter a problem or find a BUG when using the SDK, leave a message. 1. Download maid You can call 0756-3866865 to obtain the information of the

first, Otto Brief introductionOtto is the library of square launch, address: Https://github.com/square/ottoLet's take a look at Otto's official introduction.An enhanced guava-based event bus with emphasis on Android support. Otto is a event bus designed to decouple different parts of your application while still allowing them to communicate efficiently. forked from guava, Otto adds unique functionality to a already refined event bus as well as special

profile panel. Actual Combat analysis:First find your own writing class, here in my own writing addgoodsmatchactivity For example, you can know that its OnCreate method of public occupation 314.069ms,oncreate method occupies the time is also very clear. Focus on analyzing its Setcontentview method, as it occupies 266.874ms of the entire OnCreate method 82.5%, click Setcontentview methodThen click SetcontentviewThen click InflateThus we can see the time of our own method invocation, the number o

Claim is Android app apply plugin: ' Com.android.application ' Android { //Compile SDK version compilesdkversion Buildtoolsversion "21.1.2" defaultconfig { //app package name ApplicationID "Com.app.test" minsdkversion 14 targetsdkversion versioncode 1 versionname "1.0" } //java version compileoptions{ Sourcecompatibility javaversion.versi

; Viewandroid:layout_width= "match_parent"android:layout_height=" 1DP "android:layout_margintop=" @dimen/dp_16 " /> TextView Android:id="@+id/market" Android:layout_width="Match_parent" Android:layout_height="Wrap_content" android:textsize="@dimen/char_16" Android:textcolor="@color/char_black" android:padding="@dimen/dp_16" Android:text="Google" android:textisselectable="true" Android:layout_marginleft="

Origin coordinatesTsc.addspeed (speed. SPEED1DIV5);//Set the print speedTsc.adddensity (DENSITY. DNESITY0);//Set Print densityTsc.adddirection (DIRECTION. backward);//Set Print DirectionTsc.addcls ();//clear the Print bufferTsc.addsound (2, 100); Tsc.addtext (20,20,fonttype. Font_taiwan,rotation. Rotaton_0,fontmul. Mul_1,fontmul. Mul_1, "Hello gprinter");//Draw TextTsc.add1dbarcode (a), Barcodetype. CODE128, Readabel. Eanbel, ROTATION. rotation_180, "12345");//draw a one-dimensional barcodeTsc.

Enterprise Micro-mail is our professional mailbox team for enterprise users to build the mailbox client, support Enterprise mailbox IMAP settings, corporate logo and signature personalization settings. In addition to support 21CN free mail, 189 mailbox, QQ mailbox, 139 mailbox, 163 mailbox and other mainstream mailbox. Lightning-like mail delivery speed, multi-account co-management, anytime, anywhere to send and receive mail, custom new mail check frequency, load number, loading content, a varie

to use two methodsGetsupportactionbar (). SetIcon (R.drawable.e_1);Getsupportactionbar (). Setlogo (R.drawable.e_1);2. Setting the titleGetsupportactionbar (). Settitle ("Product Details");3. Setting the background of the Actionbardrawable drawable = getresources (). getdrawable (r.drawable.e_1); Getsupportactionbar (). setbackgrounddrawable (drawable);4. Two ways to set the icon in the upper left corner can be clickedGetsupportactionbar (). setdisplayhomeasupenabled (true);Getsupportact

, to write bad unacceptable code is not easy; C + + is faster. In a combination of factors, C + + is easier to turn this project into a bunch of code nightmares, and we chose Java.Xin Zhong The latest three screen interoperability version, support PC, mobile phone Android, Apple, accompanied by tutorial instructions.Mobile phone can open more than 20 games, including the site front desk, backstage, agents and so on, equipped with mobile phone resource

" defines the display area, and if you use a full-filled background map, it is recommended that you do not set the margin by android:padding, but by 9-patch way.The Android SDK provides tools to edit 9-patch images, Draw9patch.bat in the tools directory to instantly see the edited stretch, or edit directly with other image editing tools, but no effect is visible.4 different layout 'Android phone screen size

a sync frame but was CLOSEST to or the SAM e as msec. * {@link#SEEK_CLOSEST} often have larger performance overhead compared * to the other options if there is no sync frame lo cated at msec. * @throwsIllegalStateException If the internal player engine has a not been * initialized *@throwsIllegalArgumentException If the mode is invalid. */ Public voidSeekto (Longmsec, @SeekModeintmode) { if(Mode seek_closest) { FinalString msg = "Illegal seek mode:" +mode; Throw Ne

Copyright NOTICE: This article for Bo Master original article, without Bo Master permission not reproduced.This is a lightweight library, configure a few lines of code, you can implement on Android to achieve the process of permanent, that is, under the system strong kill, as well as 360 get root, clean master can not kill process under root permissionSupport System 2.3 to 6.0Support for most devices, including Samsung, Huawei, Oppo,nexus, Meizu, etc.

In the process of development, edittext is often used, how to make the virtual keyboard adapt to the type of content in the input box, usually we will add android:inputtype= "" in the XML file.Android:inputtype= "None" android:inputtype= "text" android:inputtype= "textcapcharacters"//first 3 input normal characters android: Inputtype= "textcapwords"//Word Initial letter sizeAndroid:inputtype= "Textcapsentences"//only the first letter sizeAndroid:input

try not to use the same in the new timeID, because this looks like this will cause if you use the StartActivity again (), then you will continue to keep ...When the activity needs to be destroyed:If you have the following situation, you can not destroy it. All others need to be destroyed ...1. There is already an old intent, and the new intent does not use FLAG_ACTIVITY_CLEAR_TOP this parameter2. The current activity is using uses a non-multiple launch mode.3.intent also have not from the inter

Android architecture instructions 1. Understand the features of different versions, including IDE. For example, the differences between AsyncTask3.0 and earlier versions, the new APIs of Android 5.0, and the new features of HttpClient and AS2.0 cannot be used in Android 6.0. 2. Master popular technologies and unders

ADB Install-r-S Xxx.apk-r Reload-s install to SD card installation softwareADB uninstall-k Package name-K only Uninstall program does not purge dataADB pull xxx.xxx to remove files from your phoneADB push xxx.xxx send file to PhoneADB shell enters mobile phone terminalADB devices list of connected mobile devicesAdb:reset adb adb kill-server adb start-serverNetstat-ano viewing the process that the port number occupiesSigned->adb installation,->androidmanifest.xml profile, compile installation,

One-to-one source installation instructions:1, the source package full upload to the space, and decompression!2. Execute HTTP Domain name/install Follow the prompts to complete the installationRegistered users click on the icon button to launch a live broadcast, not logged in the prompt to log on to launch the content that needs to be configured: When the broadcast title confirmed that the live broadcast, the host can choose mobile phone before and af

Android javasmclick usage instructions, androidclick eventJavasmclick is a click event that uses code to actively call the control (simulate manual touch control) boolean android. view. Lateral mclick () Call this view's OnClickListener, if it is defined. Returns: True there was an assigned OnClickListener that was called, false otherwise is ret

First, this adaptation of the description is from the technical group to share, here to save, for a rainy future!Only for mobile app adaptationCurrent Android phone resolution mainstream has480*800 480*854 540*960720*12801080*19201440*2560The above does not include in-screen virtual machine keys. General 540*960 plus virtual machine 540*800 more than 720p is more than 1100First, it is not enough to consider the resolution, but also to consider the res