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to know first is how to deliver, throw, shipping route, and shipping destination.3. Basic Structure of surface flinger Shows the basic composition framework of surface flinger. Surfaceflinger management object: 1) mclientsmap: manages the connection between the client and the server. 2) isurface, isurfacecomposer: aidl call interface instance 3) mlayermap: The management object of the server surface. 4) mcurrentstate. layerssortedbyz: layer array a

Android Rapid Development appbase--(4). Detailed Com.snicesoft.Application and baseactivityIn the appbase--of Android Rapid Development (1). AppBase used Com.snicesoft.Application and baseactivity in the introduction, and this article unlocks their veil.1. Com.snicesoft.Application1) Source Analysis PackageCom.snicesoft;ImportJava.util.ArrayList;ImportJava.util.H

Create an android ORM framework opendroid (4) -- elegantly delete data, ormopendroid In the previous blog "Create an android ORM framework opendroid (iii) -- persistent data", we felt the process of saving data with opendroid. Today's blog shows how opendroid deletes data. I still remember that we introduced the use of opendroid In the first blog "Create an

Android Practice Notes (4) --- basic concepts of Fragment, Android Practice Notes (4) --- basic concepts of Fragment For more information, see coder-pig. Fragment I believe everyone will be familiar with it, slide side, drawer effect, DialogFragment, etc. Fragment is used. The basic concepts of Fragment have been descr

at the specified location. If the popup window cannot fit on screen, it'll be clipped. See for more information on how gravity and the WindowManager.LayoutParams x and y parameters is related. Specifying a gravity of are NO_GRAVITY similar to specifying Gravity.LEFT | Gravity.TOP .Displays a content view by default in a window. If the bubble window does not fit the screen, it will only show the part. Layoutparams is related to how to center and coordinate parameters. Making a center-less one is

Source: http://www.imooc.com/ceping/1433The following about the loop jump statement is correct ()The function of a continue statement is to end the execution of the entire loop A break statement can be used only in the body of a loop and in a switch statementThe C -loop body uses the break statement and the continue statement to act the sameThe D switch statement must have a break in the bodySelect the Continue statement in a to end the execution of this loop, execute the next loop, select the b

Source: http://www.imooc.com/ceping/1421In Java, the IF statement describes the error ()a If statement is a syntactic structure that is processed after the condition is judgedB keyword If after parentheses must be a conditional expression, the value of the expression must be a Boolean typeIf the value of the expression in parentheses after C if is false, the program needs to execute the statement in the curly bracesThe D If statement can be used with elseAnswer: CKnowledge analysisIf the parenth

In this folder management app, we can try to reference some new elements, here I give a blow to introduce a drawer called the layout, QQ used to the drawer layout, notThey also on the original basis of their own development of the new drawer layout, and quite tall on the, by the way, classification management, these are just It's a very preliminary formulation,because it is pre-written, late did not do a perfect, suitable for general entry-level partner learning, first of all to say that the dra

When you get to this article, you must have encountered the problem of not finding the latest photos when you need to use a local album in the Android4.4 version. Before Android4.4 in the need to obtain the phone local picture information, only need to send a broadcast update album information, but the system updated to 4.4 after the broadcast is invalid and error.The broadcast is as follows:Sendbroadcast (New Intent (intent.action_media_mounted, Uri.parse ("file://" + Environment.getexternalsto

Source: http://www.imooc.com/code/1183Simply put, we can think of variables as a box that can store items such as keys, cell phones, and drinks in this box, or we can replace them with new items that we want to store when we need them.In Java, we describe variables by three elements: variable type, variable name , and variable value .If we compare a variable to a hotel room, the data to be stored is like the guest who wants to stay, we can arrange it according to Guest's request to stay "standar

. indexofkey (ident); // set the device to the default latency level if (info. rates. indexofkey (ident) According to the sensordevice methods, the specific implementation is all implemented by the device operation interface function encapsulated by msensordevice. These device operation interfaces are implemented at the Hal layer, in fact, sensordevice is only the device operation object of sensorservice, which encapsulates the operation of the device. What these operations actually "work" is t

based on actual business needs) 3) then, randomly calculate the latitude and longitude offset for this region and take an average value, 4) locate the map to obtain the current latitude and longitude, and find the offset of the corresponding region, 5) Merge the offset and display the map Advantages: Convenient and supports mainstream map suppliers Disadvantages: Only small-scale correction is supported. If a large-Range correction is performed, the

Asked the great God, the great God said with fragment or activity can be achieved, then you have to consider.First of all, design ideasThe following preliminary ideas,1, modeled after the promotion of Android teach you to create cool Viewpagerindicator is not only high imitation miui, another activity jump, this too many do not intend to use this, and so see what problems to consider2, the content area is viewpager+fragmentpageradapter, inside fragmen

Notation 1: Inner classDefine an inner class to implement the Onclicklistener interface, and then register an instance of the inner class with the button.Notation 2: Anonymous inner classnotation 3: Let the activity implement Onclicklistener interface, through this to register button click event, the replication OnClick method, by judging the view, centralized processing each button click event. This method is the most commonly used method for having multiple click events.notation

Android FM module learning-4 source code analysis (7) Now we analyze androidendorqcomopensourcemmapp2srccomcafmradioStationListActivity. java In the protectedvoid onCreate (Bundle savedInstanceState) method Bind FMRadioService BindService (newIntent (). setClass (this, FMRadioService. class), osc, 0 ); Instantiate a ListView object MStationList = (ListView) findViewById (R. id. station_list ); Context Menu

Android FM module learning-4 source code analysis (3) I have been busy with projects recently and have no time to update documents. I hope you can learn more and use it today! This chapter also analyzes the source code of the FM module. FmReceiver. java publicFmReceiver(String devicePath,FmRxEvCallbacksAdaptor callback) throwsInstantiationException { mControl = new FmRxControls(); mRxEvents = new

Android Baidu map SDK v3_3_0 (4), androidv3_3_0 Reprinted please indicate the source: http://blog.csdn.net/tanzuai/article/details/43833125 Functions to be implemented in this blog First: The above is what we will achieve. 1. First, we will introduce the functions to be implemented: A. Change the coordinates B. Change the coordinate icon C. Delete the icon D. The coordinates change at intervals. Clear. cle

Android open-source framework Universal-Image-Loader learning 4 -- some subsets of LimitedMemoryCache LRULimitedMemoryCache source code: /*** (Cache size limited) Size of all stored bitmaps will not to exceed size limit. * (deletion policy LRU) When cache reaches limit size then the least recently used bitmap is deleted from cache. * NOTE: This cache uses strong and weak references for stored Bitmaps. * us

Android open-source framework Universal-Image-Loader learning 4 -- some subsets of LimitedMemoryCache, androidloader LRULimitedMemoryCache source code: /*** (Cache size limited) Size of all stored bitmaps will not to exceed size limit. * (deletion policy LRU) When cache reaches limit size then the least recently used bitmap is deleted from cache. * NOTE: This cache uses strong and weak references for store

1. Activity2. Broadcastreceiver3.services4.contentProviderA. The broadcast recipient ,---------------trigger the Onreceiver method when the specified broadcast is received. This class needs to inherit Broadcastreceiverpublic void OnReceive (context context, Intent Intent) {Broadcast triggers need to be included in the configuration listCan also be configured by codeRegistration of broadcasting, cancellation of registration Unregisterreceiver (receiver);New mybroadrecastreceiver (); // Create Int