android wear 2 0

create an object for each enemy plane when the game loads a level. In this solution, the resource overhead of object creation is huge, therefore, it seriously affects the running performance of mobile games. Method 2: During the game process, an enemy machine object is dynamically created. After being destroyed, the object is set to null and recycled by System. gc. The game's performance loss mainly occurs in the creation and release of objects, and

I wrote Android animation 1 a long time ago, but it was just fun to play, and a lot of knowledge was not complete.Now summarize.Basic Android animations are: pan, rotate, zoom, and transparency.Here's an example:First Look at panning:Fromxtype The type of horizontal play Fromxvalue start with, 0 represents the current position toxtype, to what location type To

(locationactivity. this, mmapview); poioverlay. setdata (res. getallpoi (); // place the query results in mmapview. getoverlays (). clear (); // clear the result of the previous query mmapview. getoverlays (). add (poioverlay); // Add the layer mmapview of the search result. refresh (); // refresh // when epoitype is 2 (bus line) or 4 (subway line), poi coordinates are empty For (mkpoiinfo MK: res. getallpoi () {If (mk.pt! = NULL) {mmapview. getcontr

(protected wevent e) {} public void windowClosing (protected wevent e) {s. quit (); System. exit (0);} public void windowClosed (WindowEvent e) {} public void windowActivated (WindowEvent e ){}});} /*** @ param args */public static void main (String [] args) throws IOException {InetAddress address = InetAddress. getLocalHost (); ServerWindow window = new ServerWindow (File Upload server: + address. getHostAddress (); window. setSize (400,300); window

Images Final String sText2 = "test image information: Type 2: Project Resource Images Final String sText1 = "test image information: "; tView. setText (Html. fromHtml (sText1, imageGetter, null); final Html. imageGetter imageGetter = new Html. imageGetter () {public Drawable getDrawable (String source) {Drawable drawable = null; int rId = Integer. parseInt (source); drawable = getResources (). getDrawable (rId); drawable. setBounds (

The first step involved in technology Pager controls, Menu use, and text message call: we have created the main interface for creating the previous Menu article, but it is not enough to show only such information to attract the interviewer, so we need to add more requirements. If we successfully let the HR or interviewer install this program, we have to let him not only view our information, but also have other more convenient functions, at this time, I thought of the function of directly sendin

Android hot patch dynamic Repair Technology (2): Practice! CLASS_ISPREVERIFIED problem!I. Preface In the previous blog, we introduced the dex subcontracting principle to introduce Android's hot Patching Technology, and now we will solve two problems.1. How to package the Fixed Bug class into dex2. How to insert external dex into ClassLoader2. Create and test the Demo2.1 directory structure 2.2 source code A

Android uses Handler to implement message delivery mechanism (2). androidhandler Before starting this article, let's summarize some key points about Handler, logoff, and MessageQueue in the first two articles: 0) before creating a Handler in the thread, you must first call logoff. prepare (), create a local thread variable logoff, and then call logoff. loop () to

Build an android universal pull-down refresh framework -- XRefreshView (2) I. Preface Since the last release of the XRefreshView (1) framework for building an android universal pull-down and refresh framework, it has been very busy for more than half a month, however, I update and maintain XRefreshView every night after work, and solve some problems according to

Write android image asynchronously loaded library by yourself (2) In the first article in the "Write android image asynchronously loaded library by yourself" series, I learned how to use ReferenceQueue to implement a memory cache. This article mainly introduces how to control the process and queue when downloading many images. In this version of code, you can add

=(TextView) Findviewbyid (r.id.form_title); EditText Txt_login_name=(EditText) Findviewbyid (r.id.txt_login_name); EditText Txt_login_pass=(EditText) Findviewbyid (R.ID.TXT_LOGIN_PWD); String LoginName=Txt_login_name.gettext (). toString (). Trim (); String Loginpass=Txt_login_pass.gettext (). toString (). Trim (); if(Loginpass.equals (Result.get (1)) loginname.equals (result.get (0)) {Lblinfo.settext ("Login Successful!" "); } Else{Lblinfo

Asynchronous explanation of Android Development (2)-AsyncTask I once introduced how to implement asynchronous operations through Thread + Handler in Thread + Handler of asynchronous explanation of Android Development (I. For more information, see. Although Thread + Handler can update the UI of the main Thread and implement Asynchronization, the Thread + Handler

This is an Android CrackMe found on the Internet. It is a simple type, but it uses ProGuard for processing. I. switch structure in the analysis of this CrackMe, first let's talk about the JD-GUI of the switch structure support problem, know the existence of this BUG is good. The switch statement decompiled by the JD-GUI is poorly readable, so it is best to look at the branch direction with the smali code. Let's write a switch code first to understand

Source code analysis of View rendering mechanism in Android 2. androidview Respect Originality:Http://blog.csdn.net/yuanzeyao/article/details/46842891 This article goes on to the content of the previous article to continue to discuss the Drawing Mechanism of the View. In the previous article, we mainly explained the measure process of the View. Today we will learn the measure process of the ViewGroup, viewG

Use of expandablelist in Android 2 This article introduces the use of expandablelist in Android, and makes many improvements based on the previous article, adding, deleting, and callback functions. In the figure, "first line team no.: 1 class 2 of software engineering" is the information to be displayed. First look:

Android Basics Getting Started tutorial--8.3.10 Paint API--colorfilter (color filter) (2-3)tags (space delimited): UncategorizedIntroduction to this section: In the previous section we explained the first subclass of the colorfilter(color filter) in the paint API in android:Colormatrixcolorfilter (Color matrix color filter), I believe that we also broaden the view of

();// Whether javascript can be executed in webviewWebSettings. setJavaScriptEnabled (true );MWebView. addJavascriptInterface (this, "javatojs "); // Load the webpageMWebView. loadUrl ("file: // android_asset/index.html ");}@ OverridePublic boolean onKeyUp (int keyCode, KeyEvent event ){MkeyCode = keyCode;Log. I ("AA", "keyCode =" + keyCode );MWebView. loadUrl ("javascript: OnKeyUp ()");Return super. onKeyUp (keyCode, event );}Public int getKeyCode (){Return mkeyCode;}Void initData (){List = ne

Android thread (2) AsyncTask (1) The basic usage of AsyncTask is not described here. It is an android developer. 1. AsyncTask before android 3.0 private static final int CORE_POOL_SIZE = 5; private static final int MAXIMUM_POOL_SIZE = 128; private static final it KEEP_ALIVE = 10; …… private static final ThreadPool

Study Notes of SlidingMenu, an open-source Android Project (2) The usage of SlidingMenu has been introduced earlier: Study Notes of SlidingMenu, an open-source Android Project (I). Next, let's take a deeper look and switch to the corresponding page based on the Menu of the slide item. Directory structure: Click Bluetooth to switch to the corresponding interfac

Android framework layer learning notes (2), androidframework /Framework/cmds Section This part is mainly the implementation part of the command. Android itself supports some linux commands, and then adds some of its own unique commands Based on android, which are stored in the/framework/cmds folder. Let's take a look