10 suggestions for efficient Android App development,
If you want to make the most failed case on Google Play, the best secret is that the interface is extremely slow, consumes power, and consumes memory. Next, you will get negative comments from users, and your reputation will become bad. It is useless even if your applications are well designed and creative.
Every problem that affects product efficiency,
The best recipe for becoming a all flop in Google Play are to release an app that's battery and memory hungry with a Slow interface. Most likely, these qualities would ensure negative reviews from the users and result in a bad reputation, even if your app have Great Designand a unique idea.Every drawback in product efficiency, battery and memory consumption can really affect your app ' s success. That's why it's critical to develop well-optimized, smooth running apps, the never make
Original: 10 days to learn Android-the third dayAfter the second day of study, we correctly call the Baidu Weather API, the weather information displayed to the interface, to do this step, our work is completed 1%, the remaining 99% of the work will need to constantly polish the unfinished app.First and foremost, we want to convert a lot of characters into an int
Although the domestic Google is wall, but still can use some of the domestic mirror website to implement the Android SDK online Update, using the following methods: 1.start the Android SDK Manager, open the main interface, selectTools, Options ... ", pop Up "Android SDK manager-settings" window; 2, in "
Write before the text:A few months did not update the blog, feel a little rusty, so that can not break, a broken person lazy.In fact, these months are not nothing to do, I am always thinking about this year's mission, 10 books, 30 blog posts ..., these months are also in the study, learning H5, learning design patterns, as well as the NDK JNI development and so on.Learning JNI is mainly because the company has some Cocos games need to add billing poin
recommend cloud ladder VPN here. The price is very cheap. Don't ask me how fast and stable it is, I have been using it for almost two years. (If you purchased through this link, your account will be entitled to a 10 yuan discount)Download
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Android Developer website
You can download the official website of An
Android phone book first matches 10 bits. If it cannot match, it is changed to 7 bits.Case 1:If you save A: 04165191666, B: 5191666, the incoming call number is 04165191666.Because it is A 7-bit match, both A and B can be matched, but the best match is still A, and finally A is displayed;If the incoming call is 5191666, B is matched.Case 2:Save only A: 0416519166
define the resource files that need to play the animation, define the resources in the arrays file, or define them in the code
resources> array name="C"> item>@mipmap/c_1Item> item>@mipmap/c_2Item> ...- item>@mipmap/circle_19Item> item>@mipmap/circle_20Item> array>Resources>Gets an array of resources after the definition (the array of resource files can be directly defined in the code, ignoring the previous step): privateint[] getRes() {
/** represents the slide direction down */public static final int ORIENTATION _down = 0x2;//0000 0010/** represents the slide direction left */public static final int orientation_left = 0x4;//0000 0100/** represents the sliding direction right */public St atic final int orientation_right = 0x8;//0000 1000/** represents all orientations of the slide direction */public static final int orientation_all = 0x10;//000 1 0000/** stores the x and y coordinate
[Android development experience] 10 times faster than Gson parsing! -- Introduction to The Json parser Jackson, gsonjson
Reprinted please indicate the source: http://blog.csdn.net/zhaokaiqiang1992
In the previous two articles, we introduced the Json data format and the built-in Json and Google Gson projects. If you can learn these things, you can basically meet your work needs. However, programmers have the
Top 10 practical Android skills: Obtain the physical size, density, and resolution of the screen.
Help me!
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It is very interesting to know the hardware situation through a program. I studied how to obtain the physical size of the screen on WM6.5 a long time ago, but it has never been successful. Later, I wanted to make
Android custom control development (1), android Control
As a creative developer or software with high requirements for uidesign, you will often encounter situations where the control provided by Android cannot meet your needs, we can only implement controls suitable for projects on our own. In addition,
Problems encountered during android development [1]: problems encountered during android Development
Problems encountered during android development [1]
I. Can I use the same include multiple times in an xml file?
Http://www.apkbus.com/
prevent power consumption caused by potential bugs, specify the timeout time;
Enable the android: keepScreenOn attribute;
In addition to the system's GC operations, you need to manually recycle Java objects, such as XmlPullParserFactory and BitmapFactory. There are also the Matcher. reset (newString) and StringBuilder. setLength (0) operations of the regular expression;
Pay attention to the synchronization problem, although it is safe in the main
Original: 10 days to learn Android-fourth dayGo on with your study yesterday.Yesterday we created a new view based on the weather data obtained to display the contents, so today we will show the data!!!Here we have to link the data and the view, then we use the adapter-adapter,android to provide us with a lot of Adapter, here we use the baseadapter.Baseadapter (
Case 1:If you have saved: a:04165191666, b:5191666, the call number is: 04165191666Because it is a 7-bit match, both A and B can match, but the best match is a, and the last shows A;Call 5191666 is matched to B.Case 2:Save a:04165191666 only,Call 5191666 or 04165191666 matches a.Case 3:Save b:5191666 only,The call 5191666 or 04165191666 matches B.On the basis of 7 match, the matching number match can be further filtered.First, you need to modify the M
mechanism is suitable for the existence of multiple sub-threads, so that the information sent by multiple strand Cheng can be processed and rendered uniformly in the UI thread.Attached: If you need to use handler and Looper in a child thread, you need to get to the handler, Looper object in the UI thread. Specific methods see: http://blog.csdn.net/logicteamleader/article/details/46591499 "Three: Single asynchronous task--asynctaskThe messaging mechanism looks more complex and involves the appli
process; unless otherwise specified, it runs in the same process as the application it is part. the Service is not an independent process. The Service object itself does not mean that it runs in its own process, and it runs in the same process as the application. When there is a conflict between the theory of books and the Android SDK, we take the Android SDK as the standard, so we think that the Service a
#############################################This article is extremely ice original, reproduced please indicate the source#############################################After analyzing the analysis of init.rc in the previous article, we know now that action follows the order of INIT.C's main function, maintaining a qlist linked list, listnode for action_qlist The service also maintains a linked list, ListNode for service_list. So how did action and service get started during
? Android.app.DialogKnown Direct subclassesAlertdialog, Characterpickerdialog, Mediaroutechooserdialog, Mediaroutecontrollerdialog, PresentationKnown Indirect subclassesdatepickerdialogprogressdialogtimepickerdialogWe see that dialog has a lot of subclasses implemented, so we're going to define a dialog box that uses its subclasses to instantiate one, instead of just using the dialog parent class to construct it.Second, AlertdialogWhat we are focusing on today is the Alertdialog dialog, a
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