product catalogue app android

Situation BriefIn the process of developing an Android app, there is a need to launch a service in the app that runs in a standalone process, keeps a long connection to the server, displays the message that the server pushes over the notification bar, and sets the click action. Click to jump to the corresponding activity in the

Longer build times will slow down project development, especially for large projects where the app is built for a long time of more than 10 minutes, short minutes, long build times have become a bottleneck for development, and this article is based on Google's official documentation, plus some of its own understanding to provide some optimization suggestions to improve the speed of the app build.1, create a

whenever approaching the end of the year, the most painful job is undoubtedly to write the annual summary, write a summary of the same time can not help but sigh that it was not easy. Suddenly think of this year is also their own development of the first year of Android app, so feel should give their app to a year-end summary.First, the development aspectStrictly

from your finger to the screen to show that the screen is being processed to produce the touch. The shorter the time, the more hands you feel. It is said that iOS touch screen processing time than the average Android phone faster, this is not my specialty, do not know how to verify. But at the software system level, the Android display mechanism is App-->surface

Whenever approaching the end of the year, the most painful job is undoubtedly to write the annual summary, write a summary of the same time can not help but sigh that it was not easy. Suddenly think of this year is also their own development of the first year of Android app, so feel should give their app to a year-end summary.First, the development aspectStrictly

As an Android APP developer's self-Summary, androidappWhenever it comes to the end of the year, the most painful task is to write a year-end summary. while writing a summary, I can't help but sigh that this year is not easy. I suddenly remembered that this year was also the first year of Android APP development, so I t

A good application software requires good maintenance. From the initial publication to the final product, this process requires constant updates of the version. So how can users get the latest application installation package immediately? Therefore, we need to upgrade the module from the first version. The implementation principle of the automatic update function is that we negotiate an interface with the background in advance. We access this interfac

In our development process, we often encounter the need to judge the app to enter the background, or switch to the foreground of the situation. For example, we want to judge the app to switch to the foreground, display an unlock interface, require the user to enter the unlock password to continue operation, we want to judge the app to switch to the background, lo

); (activity). Finish (); If the phone is installed with multiple launcher (such as 360 desktop type of app) will be a bit more trouble, need to show a list of users to choose which launcher, this in product form may make users feel a little puzzled. Now, if you click the Home button in another app, it jumps to our lock screen activity and jumps to the rea

Note: This blog post is reproduced in Http://my.oschina.net/mengshuai/blog/541314?fromerr=z8tDxWUHThis article describes the author of the article in the development of Android applications for several years, experienced 2 architectural changes, the first integration of the Rxjava second integration of the MVP, and the Rxjava with the MVP perfect combination, achieve a low-coupling, code simple, testing a convenient architecture.In fact, we also encou

original apk file size)Installation process:Copy the APK installation package into the Data/app directory, unzip and scan the installation package, save the Dex file (Dalvik bytecode) to the Dalvik-cache directory, and create the corresponding application Data directory in the Data/data directory.Uninstall process:Delete the files and directories created in the above three directories during the installation process.Detailed installation processProce

Android app architecture design 01, androidapp1: This article has been excerpted, 12345 -Consistency of requirements, designs, and codes during development-the entire program has a uniform style, such as a dialog box style, button style, tone, and other UI elements-the specific and unified structure of the entire program, for example, when different modules access the network, their calling met

[Architecture] Architecture Design of Android mobile appPreface Architecture, also known as software architecture, is an abstract description of the overall structure and components of the software, used to guide all aspects of the design of large-scale software systems. Software Architecture Design goals: 1. reliability ). The reliability of the software architecture is a prerequisite for product desi

of/data/data/com.xxx.xxx/files * * * *@paramContext*/ Public Static voidCleanfiles (Context context) {Deletefilesbydirectory (Context.getfilesdir ()); } /*** * Clear the contents of the external cache (/mnt/sdcard/android/data/com.xxx.xxx/cache) * *@paramContext*/ Public Static voidCleanexternalcache (Context context) {if(Environment.getexternalstoragestate (). Equals (environment.media_mounted)) {Deletefilesbyd Irectory (Context.ge

LeadThe Great Army of Android, the development of nearly ten years, technology optimization day to month new, now Android 8.0 Oreo are released, Android system performance has been very smooth. However, to the major manufacturers in hand, to change the source system, so that the Android native system has become a mixed

Hello everyone, I found that my blog has not been updated for half a year and has been busy recently. I decided to take a break in the early morning at Premier League arsenal vs. Fulham, we will share with you the implementation of the app version update function in Android. A good application software requires good maintenance. From the initial publication to the final

package name and signature on your phone are consistent with the background upload. P.S. After uploading the background, the APK will take some time to take effect.2. The purchase of the product does not exist: Make sure your code in the product name and background of the same, if consistent, you may need to wait one or two hours to re-test, Google background problems.3.loading for a long time, and finally

shown in the following:The flow in Fiddler is Bytes Sent + Bytes Received, which is two items in the accents circle.5, calculate the sum of this traffic is not to meet the requirements, of course, this is the product standards, such as: 58 of the app's first screen traffic can not exceed 200K. If the requirement is not reached, find out why.IV, grab packet check (JS/CSS) request header cannot take cookiesCookies:1, open fiddler, empty Fiddler Crawl r

verify the legitimacy of these data. Zip unzip the directory to cover the risk. Allow in Zip: /.. /file such a path. If you unzip to the current directory, it is possible to overwrite the files in the parent directory. Android components improper exposure, do not need to export the need exported = False. Local port open issue, Socket server. Try not to open this interface. If you want to, also just bind to 127.0.0.1, do not expose to the

Reference: 1, Lao Luo's Android tour http://blog.csdn.net/luoshengyang/article/details/66897482,Android core analysis/HTTP Www.linuxidc.com/Linux/2011-04/33966.htmAndroid System Start-up:We want to have a picturesystem architecture Diagram:One, the above with git download the compilation process slightly off, directly to see the final product of our build. The mo