sync notes android

Gnuc is a common C language compiling environment. Also need me to study. The generation of Linux device drivers is due to the fact that the first operation of the hardware is done directly by the specific application. This results in a high coupling between the hardware and the application. Device drivers appear for ease of use. The devices are divided into three categories: block devices, character devices, and network devices. Blog Park Address: http://home.cnblogs.com/u/sxauzzz/

Problem:You want to import an Eclipse ADT project into Android Studio.Solution:Android Studio provides an import wizard that can rewrite existing projects.With:On the Welcome page of Android Studio, display the wizard button for importing Eclipse or Gradle projects.The link opens the navigation that lets you select the file address of an existing Eclipse project. Using the old project structure, RES,SRC and

Analysis of App engineering files For information on how to create one of the simplest Android apps please refer to the link: Android Learning Notes (i) Environmental installation and the first Hello World http://www.jb51.net/article/52593.htm The completed engineering files are shown in the following illustration, and some of the major documents are analyzed

It is necessary to give a hint before the user exits the application, because it is possible that the user does not really want to quit, but just accidentally pressed the return key, most of the practice is to give a dialog before the application exits, I think this is not very friendly, users have to move their fingers to press the dialog button. Personally feel "Press again return key exit program" is best practice, the implementation is also very simple, directly on the code:1 Private LongExi

Cause Analysis:This situation is caused by version inconsistency, this invalid directory is not the current compile time generated, it is possible to debug the case, generated.Since the 1.6 version was previously only drawable a picture resource directory. SoWorkaround One:Modify the project version to more than 1.6.Workaround Two:Delete the error crunch folder directly in the project.Then run, fix it ~Reference Original: http://blog.csdn.net/studynote/article/details/22147461"

Broadcast receiver registration A total of two forms: static registration and dynamic registration.The difference between the two and their received broadcasts:1. Dynamically registered broadcasts are always faster than statically registered broadcasts, regardless of the high priority setting of the static registration, regardless of how low the priority of the dynamic registration >\2. Dynamic registration broadcasts are not resident broadcasts, which means that the broadcast follows the activi

is parsed./*** Blog list return value processing *@paramJsonarray Blog List*/ Public voidBlogresulthander (Jsonarray Jsonarray)throwsException { for(inti = 0; I ) {Jsonobject jsonobject=Jsonarray.getjsonobject (i); HashMapNewHashmap(); Itemhashmap.put ("UserName", Jsonobject.getjsonobject ("Blogusersset"). GetString ("Usernickname"))); Itemhashmap.put ("Createtime", Jsonobject.getstring ("Blogcreatetime")); Itemhashmap.put ("Title", Jsonobject.getstring ("Blogtitle")); Itemhashmap.put ("Con

Android Development notes (11) -- DialogFragment click to listen, android development fragment Reprinted Please note: http://www.cnblogs.com/igoslly/p/6931519.html DialogFragment Usage click to listen /* DialogFragment is a pop-up box for displaying an interface on the Activity, such as an input box, a warning box, and a confirmation box.* DialogFragment separ

Android 18th-day notes-simple animation, Android 18th -- Title: animation Animation 1. Compensation Animation 2. Translation FromXType: where does the fromXValue start from? 0 indicates the current position toXType, where is the type toXValue, and where is the coordinate fromYType? Where does fromYValue start from, 0 indicates the current position from toYType to

of the current interface, that is, the view set by Setcontentview is a child view of it.The distribution process for top-level view-to-click eventsViewGroup, Dispatchtouchevent, onintercepttouchevent, OnTouch or ontoucheventTop view is generally a viewgroup. After intercepting the event, if ViewGroup set the Montouchlistener, the Ontouch method in listener will block out ontouchevent. If Ontouchevent is set to Monclicklistener, the onclick in the listener is called. If ViewGroup is not intercep

found:/usr/bin/ld: cannot find -lncursescollect2:ld1 exit statusmake: *** [out1Workaround:sudo apt-get install lib32ncurses5-devError found:dalvik/vm/native/dalvik_system_zygote.cpp: in function ' int setrlimitsfromarray (arrayobject*) ': dalvik/vm/native/dalvik_system_zygote.cpp:194 : Error:aggregate ' rlimit rlim ' has incomplete type and cannot be defineddalvik/vm/native/dalvik_system_ Zygote.cpp:217 : Error: ' Setrlimit ' was not Declared in this scopemake: * * * [out /host/ LIN

of the intent must be either content or file.The following method can match his intent.setDataAndType(Uri.parse("file://abc"),"text/plain"); At lastThe rules for Intent-filter are the same for service and Broadcastreceiver, but it is recommended to use the display method to start the service as much as possible.When using implicit intent, it is possible to make a judgment on whether or not there is a corresponding activity, in case of an error. Use the Resolveactivity method of Packagemanager

Android learning notes: AutoCompleteTextView auto-filling case, android auto-Filling (1) There are two methods to implement the AutoCompleteTextView function: one is manually configured, another summary is the data made through the xml file (of course, it can also be obtained through online resources) Here we only talk about the first two types! (2) The layout P

Phonewindow is the only implementation of this class.Decorview is the underlying container of the current interface. That is, the view set by Setcontentview is a child view of it.The distribution process for top-level view-to-click eventsViewGroup, Dispatchtouchevent, onintercepttouchevent, OnTouch or ontoucheventTop view is generally a viewgroup.After intercepting the event, assuming that ViewGroup set the Montouchlistener, the Ontouch method in listener will block out ontouchevent. Suppose On

Notes on text in the android get dialog box. The android get dialog box 1. Set View to final type, for example, final View layout =... 2. Format EditText e = (EditText) layout. findViewById (R. id) when obtaining the text box object. // remember that layout is the final View object above. You won't be able to get the text in the dialog box without looking at the

Android development art Exploration Study Notes (3), android art Exploration Chapter 3 View Event System 3. 1 basic View knowledge 　　3.1.1 what is view View is the base class of all controls in Android. It is an abstraction of controls at the interface layer. It represents a control. 　　3.1.2 View location parameters Th

[Android Notes] crash log collection and Android crash logs After the application was released, some people reported that a crash occurred, but I was unable to locate the problem because I couldn't get the log. Later we found that we should collect crash logs and upload them to the server. There are a lot of third-party institutions in China to provide the crash

Fourth ChapterThis is a trip to the source code and learned how to download and compile the Android source code and the Linux kernel source code. To elaborate on some specific processesFirst, the Android source code download environment1. Install the environment configuration to download Android source code(1) First create a directory to hold the download script

://schemas.android.com/apk/res/android"Xmlns:tools= "Http://schemas.android.com/tools"Android:layout_width= "Match_parent"Android:layout_height= "Match_parent"android:orientation= "vertical"Tools:context=". Mainactivity " > EditTextAndroid:id= "@+id/name"Android:layout_width= "Match_parent"Android:layout_height= "Wrap_content"Android:hint= "Enter Name" /> EditTextAndroid:id= "@+id/age"Android:layout_width= "Match_parent"Android:layout_height= "W

Property Animation in Android -- Android development art exploration notes Animator was first introduced in Android 3.0. Compared with the previous Animation framework, Animator is more flexible and has more functions. It is officially recommended to use Animator instead of Animation. Before 3.0, you can use nineoldand