Android performance optimization is a frequently encountered problem in Android development, next will be the Android performance optimization of knowledge points to do a simple comb and summary, will be from the tools and code two aspects of combing. The so-called 工欲善其事 its prerequisite, this article first look at the
not so sure it's one of the next few messages, which requires you to identify it according to your application.④ write down the package name you just got, the package named "Com.vane" in the example. It will be used immediately.3. Use monkey to send a test command.This step is relatively simple. command-line input directly on the PC: adb shell monkey-p com.vane-v 50Note: The Com.vane in the above command is the package name obtained previously, the p
Andrioid Studio (a) Graphic installation explanationAndroid Studio first appeared at the May 2013 Google I/O developer conference, and the version went through 1.0,1.2,2.0, now 2.1. Google gradually abandoned the maintenance of Eclise+adt, and now Andorid development I think most of them have been developed with Android Studio (I hereafter referred to as as). Aft
When it comes to software development, we usually like to use newer versions of the tools, but why do I use a lower version of the SDK to develop the Android game? Here are the reasons:
1, the Android SDK belongs to backward compatibility! So the lower version can be run, the high version is basically no problem! (Of course, every time the SDK updates will bring
file analysis tool, this helps you discover memory vulnerabilities and reduce memory consumption. For large JAVA applications, it is difficult to block all the vulnerabilities even if we perform a lot of effective work in the test phase, many problems will still be exposed in the production environment, and it is difficult to reproduce in the testing environment. The JVM can record part of the running status of the system when a problem occurs and store it in the Heap Dump file, which provides
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Welcome to your discussion. Qq: 1037701636 email: gzzaigcn2012@gmail.com
Note: Hardware: A31, Software: Android4.2.2
As the saying goes, a good start is half the success. Study the huge system code of Android (the source code of 4.2.2 should be more than 10 Gb after compilation). The tool should be at least advanced, and the mentality should be low, i
pattern reference diagram, classification is very detailed, if the design site or UI interface can go up to find some resources, very good. Patternry Official Address: Http://patternry.com/Patternry is the user interface design pattern library to help solve common interface design problems. Mephobox Official Address: Http://box.mepholio.com/UI Design interface resources to appreciate the reference site. Android Asset Studio Official address: http://
Because the following operations are command operations, make sure that the environment variable android_home points to the correct path to the ANDROID SDK before doing the following:Launch Android SDK Manager:AndroidTo start Android Device Monitor:MonitorStart UI Automator Viewer:UiautomatorviewerSometimes when you start the UI Automator viewer fails, it will pr
of the same. Well, Wood has a way to start analysis from the source! (Senior guide, Google did not, just look at the source)Log tracking, the first time the system is initialized to call the following function, and the subsequent boot of the function will not be called, and the following function is to reset the available Input method to select (In the Frameworks/base/core/java/com/
Android Program Debugging Tools
Google provides us with the highlights of the Code Debugging tools: TraceView and Dmtracedump. With these two tools, we are very handy when we debug the bugs. TraceView helps us analyze program performance, dmtracedump generate function call
Analyer Tools Program Supect AnalysisFirst of all, this tool is not the eclipse comes with, so you need to download memory Analyer tools (called Mat, also can be integrated into eclipse as plug-in), I download memory Analyer tool. After installing the memory Analyer tool, proceed to the following steps:1. Click on the Load Heap button in step 5 to download the stack analysis file, which is a file with the
Android basic notes (15th)-graphic, big picture OOM, usage and exercises of painting tools, androidoom
Principle of computer graphics Representation
OOM is displayed when a large image is loaded.
Scale and load large image resources
Create a copy of the source Image
Common graph processing APIs
Mito xiuxiu for Dummies
Painting version
Principle of computer graphics Representation
The first thing
= nowx; Starty = Nowy; Break; CaseMOTIONEVENT.ACTION_UP: Break;default: Break; }The //return value is true, the event is consumed and is not passed down; The //return value is False, the event is not consumed and continues to pass downward; return true;}Fourth Step , add "bold brush" and "Change color function"// 颜色内容int[] colors = { Color.RED, Color.GREEN, Color.BLUE };privateint colorIndex;// 修改颜色publicvoidchangecolor(View v) { 3]);}// 画笔宽度privateint paintWidth;// 加粗画笔publicvoidovers
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Android can use SQLite data pants to store data, but Google does not directly provide us with the tools to manage the data in the database.If you can't view it directly from the tool, we'll copy the database from the phone/emulator and use the tools to view
should be noted that although Monkeyrunner uses Python, it does not actually need to install the Python runtime environment, as mentioned earlier, the use of the tools described in this series for Android automated testing does not require the installation of additional tools. When using Monkeyrunner, you first need to turn on the emulator, or connect the real
When it comes to software development, we usually like to use newer versions of the tools, but why do I use a lower version of the SDK to develop the Android game? Here are the reasons:
1, the Android SDK belongs to backward compatibility! So the lower version can be run, the high version is basically no problem! (Of course, every time the SDK updates will bring
. and support Linux systems.5.wine sourceinsight view Android source code. One important reason to go from window to Ubuntu development is the compilation of the source code. http://my.oschina.net/innost/blog/1734606.vim installation and configuration This will not be introduced, the Earth people know.7.umeng Channel Packaging tool. This currently only supports Win7 systems and requires a java. NET environment. A virtual machine needs to be installed.
Ubuntu provides more than a dozen essential tools for android development.
Switching from widow to ubuntu has been around for a few days and has encountered many problems, as shown below:
Development Tools
1. anroid development environment, eclipse jdk adt plug-in or androidstudio. This is a lot of introduction.
2. For the adb 64-bit compatibility package, enter
Debuggable Android program debugging tool
Highlights of the Code debugging tool provided by Google:TraceviewAndDmtracedump. With these two tools, we can easily Debug programs to analyze bugs. Traceview helps us analyze program performance. dmtracedump generates a function call diagram. Unfortunately, the dmtracedump provided by Google is a failed tool and cannot
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