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Android Architecture ... What is the clear way?ObjectiveWe know that it is complex and difficult to write quality software: It is not just about satisfying all the needs, but it should also be robust, maintainable, easy to test, and very flexible (flexible to change content, such as module addition and subtraction). A clear architecture (the clean Architecture) i
Clear cache data for large applications
1. By clearing the cached files of the program, the released memory space will surprise you
2. Choose Settings> Applications> Manage applications.
3. Press the Menu key and select the "sort by size" option (for Android 2.2, select the downloaded tag first ), then, you can sort the applications installed on all mobile phones according to the application size.
4. Click
Android special effect album (10)-click the ripple effect to achieve clear logic and simple implementationAndroid special effect album (10)-click the ripple effect to achieve clear logic and simple implementation
What I did this time is a bit similar to the previous article, that is, using simple logic to implement some interesting special effects. Recently, I
This article for everyone to share the Android landing interface to clear the contents of the input box and vibration effect of all the code, the details are as follows:
Effect Chart:
The main code is as follows
A custom edittext that displays a clear button when text is available:
Import Android.content.Context;
Import android.graphics.drawable.Drawabl
How to clear System junk in Android G1
Mobile phones have been used for a long time, and some System junk data will inevitably appear. The available memory of G1 is not large. If the space is eroded by these junk files, we will have a smaller available space!
So today we will declare war on junk data! Clear junk data!
The junk data of the
app_webIcons/1.txt/ Data/data/com.mx.browser # Touch App_appcache/1.txt/data/data/com.mx.browser # Touch app_databases/1.txt/data/data/ Com.mx.browser # Touch App_geolocation/1.txtPerforms cleanup data operations. View the results after performing the cleanup data operation./data/data/com.mx.browser # lslib/Data/data/com.mx.browser #View Lib Conditions/data/data/com.mx.browser # CD lib//data/data/com.mx.browser/lib # ls1.txt/data/data/com.mx.browser/lib #In general, the discovery of settings in
for more information: http://www.eoeandroid.com/thread-79664-1-1.html. I use canvas.drawline (). That is to say, set the paint to the clear screen mode and repaint all the painted images with this paint brush, but unfortunately, this effect is the same as the first one.
Misunderstanding 3:
Some people proposed to use the SAVE and restore of canvas to solve the problem, but unfortunately this is not the case at all. Reference: http://www.devdiv.com/ar
Android MVC Demo example reference, basically clear and standard, androidmvc
Android MVC Demo example reference, basically clear and standard
MVC separates V (View) and M (Model) through C (Controller) to reduce coupling.
Here is a reference specification for Android MVC:
is not very slow, The results of the online home test I do not remember very clearly about 100ms bar).In the official API before Android 4.0 there is no relevant method provided, but after 4.0, the API provides the relevant methods.Please refer to the article here, written very good: http://www.uisdc.com/image-format-webp-introduction2. Use so file to compress jpg, read an article, people said inside why the Andr
1, why should there be aidl?No matter what you learn, the first thing is to make it clear why you have it. Do not say that existence is justified. Existence is certainly reasonable, but you are still not clear.For Aidl, there are some simple notions that aidl can access other applications across processes and communicate with other applications, and I'll tell you. Very many techniques can be visited, such as broadcast (application A in Androidmanifest
From: http://huangxingzhe.iteye.com/blog/1390507
In a project, to exit the android program, try restartpackage, killbackgroundprocesses, and re-register the thread in the application subclass through exceptions. uncaughtexceptionhandler interface + exception mode, and so on, all have no effect.
Finally, we found that when we jumped from activity A to another activity B, the program would be able to exit by calling the finish method of Activity A, but
Practice of maintaining a clear sequence for multi-threaded android Development
During Development today, we need to add multi-threaded operations to the previous program to avoid networrk on mainthread.
Due to a lot of code, the variables are intricate, And the variables that follow must be obtained in the thread of the previous Code. Thread Synchronization is critical.
The main thread synchronization meth
(Android Lint) worked hard for a long cycle to finish the project. But after packing up the size of the APK, it makes you wonder if you don't even know where to copy it. Code and code-related layout file resources, which are used which are not used, clear these unused resources, so that the whole project is refreshing, the APK size can be compressed is we need to master the skillsSelect the project is usual
Response events that detect three states of the Android notification bar primarilyThis time in the implementation of push demand, to use the Android notification bar notification Click to enter the Message page, because to achieve a save push user name function, I clicked on after the function, but the test found that I click Delete or swipe to clear after this f
Android special Effects Album (10)--click the water ripple effect, the logic is clear and easy to implement
This time to do things, and the above is a bit similar, is to use a relatively simple logical thinking to achieve some of the more fun effects, and recently is relatively busy, so the speed of the blog update is also to see the time to deduce, but also to ensure that the appearance of a Wedne
EffectDemo apk DownloadHttp://pan.baidu.com/s/1o6HPumIDemo Source DownloadHttp://pan.baidu.com/s/1sjAX8OPThrough the demo we can quickly learn new knowledge, through the demo we can easily complete a function, if you want to quickly learn the new skills of Android, the ability to get rapid development projects, download Android demo bar, which will regularly release And
1. We install "Sweet Pepper Assistant" on the computer and then turn on the sweet Pepper assistant and connect the phone with the sweet Pepper Assistant
2. After our sweet Pepper assistant identified the phone, we clicked "utility" in the Sweet Pepper Assistant---"Clear password", as shown below:
After successful removal, the phone will automatically restart, so that directly into the phone without the need for a password Oh, is not very simple
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