drawing board app for android

ah, or parse a very complex layout and so on.Stack tree view structure:This is the need to use the SDK Dmtracedump tool, Zennai I have tried many times can not read the generated trace file, no way to say that experience, to recommend a post it: http://blog.csdn.net/yiyaaixuexi/ article/details/6716884I actually use and write this blog have reference to this article http://www.oschina.net/news/56500/traceview-androidAnd then the Systrace.This is a tool to analyze the system

First of all, this is the first time our team has developed the Android app, and also my first developer app, as the saying goes: "Everything starts hard". So for beginners, it's important to be ready for development. Everything is pre-set not to waste!First of all, the development of our team to provide medical assistance to the

Use of iconsIcons can give the most intuitive impression, sometimes a lot of explanations can not be an icon.The Android app's icons are divided into two categories, App icon: The start icon that represents the entire app on the main screen, is the icon that gives the user the first impression. A successful application development will not be downloaded

Original URL: http://www.cnblogs.com/noTice520/archive/2011/12/05/2276379.htmlToday brings you to the "Android app development full record" in the ListView and Adatper part. Including the basic use of the ListView, the optimization of the ListView and so on.We often use lists in the application to show some content, so it is very necessary to learn the ListView well. The ListView is also a more difficult-to

Points:1. Purpose of memory optimization and introduction of tools2. Analysis and summary of the main problems of Android APP memory3. UI drawing principles and quantification tools-the main problems of UI fluency and the principle of UI drawing.4. How to get the UI smoothness of your app5. Impact of IO on application

you want to understand the details, Baidu has a lot of information.Five. Android cross-process communication1. Broadcast and content Provider, here slightly.2.aidlThe use of aidl, a process as a server, a program as a client. Communication between them through the service. The server provides the calling interface, the client-bound service, and the method that invokes the server. Aidl supports normal data types, other data types are serialized and in

I don't know if you've used it, Taobao movie client (Amoy ticket) bought movie tickets, overview of various types of online choice of app online selection function Taobao online function of the best user experience, use up the most convenient, exaggerated point said has reached the degree of perfection, the following we look at the effect: Effect Analysis: The entire control is divided into sections, seating chart area, seat thumbnail area, line n

)LOCAL_MODULE_TAGS := optionalLOCAL_SRC_FILES := $(call all-subdir-java-files)LOCAL_PACKAGE_NAME := GpioLOCAL_CERTIFICATE := platforminclude $(BUILD_PACKAGE)include $(call all-makefiles-under,$(LOCAL_PATH))Edit build/target/product/generic_no_telephony.mk: Add Gpio \ After PRODUCT_PACKAGES := \ The compilation project will generate gpio.apk make TARGET_PRODUCT=am335xevm_sk -j8 OMAPES=4.x At this step, all preparations are ready. Start to update the file system of the target

different sizes of screens. Most of us have given the ipad the "first time" for the tablet, so it's better to start with the old love PK and compare the user interface of the two Tablet PCs. By this comparison, we can comb the understanding of the tablet and focus on the main differences between the two PCs to meet the unique needs of Android users, which can help us work more efficiently and smoothly when we convert an existing application on the i

\Compiling the project will generate gpio.apkIn this step, everything is ready to start updating the filesystem of the target board AM335EVM: (left host, EVM right)out/target/product/am335xevm_sk/system/app/gpio.apk ==> rootfs/out/target/product/am335xevm_sk/ System/framework/services.jar ==> rootfs/system/framework/out/target/product/am335xevm_sk/system/ Framework/framework.jar

Using Android's custom animations to make you more dynamic is the goal of most Android developers. Please listen to the following decomposition:Before 3.0, Android supported two animation modes, tween animation (motion-picture), frame animation (frame animation), and a new animation system was introduced in android3.0: Property animation (value animation) , these three animation modes are called Property An

find it easy to communicate through some simple, You can see if a person is logically clear. Sometimes you feel that someone communicates very well, in fact is not the problem of communication, is he said to go, after his brain's clear and tidy, so that you can easily understand. This habit is not overnight can be formed, so the interview process this does not come out.Another person if the logic is clear, and responsive and quick, speed, it is a big plus, congratulations, you met a smart man.W

, Layout, drawing), so the hot start process only to create and initialize a mainactivity on the line, Instead of creating and initializing application, the application is initialized only once, because one application is created from the new process to the process's destruction. app's startup process:You can see from the above two startup ways that the app startup process is: Application Constructor Metho

Guo XiaoxingWeibo: Guo Xiaoxing's Sina WeiboEmail:[email protected]Blog: http://blog.csdn.net/allenwellsGithub:https://github.com/allenwells"Android App Development technology: User Interface" Chapter list The 9Patch image is a special PNG image with a. 9.png suffix, which adds a 1-pixel-wide line around the original image, which determines the scaling rules and content display of the image. D

#*#* on the dial-up interface to open the Developer Tools feature (Input *#* #6960 #*#* off), click "Settings", "Accessibility" and "Developer Tools" , find "Show layout boundaries" in the drawing bar and open. So the control layout of all the apps is at a glance, WebView as a control, there is only one bounding box, so through this, it is easier to distinguish whether an interface is implemented WebView or native layout control, Of course, do not ru

component. The model of a big company is similar to your situation. Yes, Google to the Android interface layout file in the form of XML to write, but also for the convenience of the artist a little learning, you can design. Directly to the developer, the layout file will not cause frequent communication changes.============ Solution 3============This really depends on people, like my company's boss, is really from the hardware product

This article introduces some of the relevant knowledge of Android app startup, including app startup, app startup and App startup optimization! App application startup mode 1. Cold start When the application is started, the bac

Environment: imx51 FSL Development Board System: android2.2 Method 1, 1. Connect to the debug serial port 2. Run PM setinstalllocation 2 in shell. You can also execute: PM getinstalllocation to obtain the mode. 0 [auto]: Let system decide the best location1 [internal]: Install on internal device Storage2 [External]: Install on external media 3. Put the package you want to install in/sdcard and install it using es, After installation: DF or busybox DF

#*#* off), click "Settings", "Accessibility" and "Developer Tools" , find "Show layout boundaries" in the drawing bar and open. So the control layout of all the apps is at a glance, WebView as a control, there is only one bounding box, so through this, it is easier to distinguish whether an interface is implemented WebView or native layout control, Of course, do not rule out the use of a bunch of webview to spell an interface implementation method.As

The Android app icon should be an Alpha channel transparent 32-bit PNG image. Due to the large number of Android devices, an application icon needs to be designed in several different sizes, such as:LDPI (Low Density screen,120 DPI) with an icon size of X-px.MDPI (Medium Density screen, DPI) with an icon size of x px.HDPI (High Density-screen, + DPI) with an icon