used in code with the Lint tool3. Picture resources: Using Tinypng and WEBP, the following details the Picture resource optimization scheme, vector diagram4.SO files will not be removed, the current mainstream app is generally only one arm's so packageRead more20+ a great Android Open source projectHow did I get into Facebook?2018 Android face Test with answer-for advanced (bottom)When you're done, you're
Technology consultancy Pfeiffer conducted a mobile operating system user experience study designed to collect and compare Apple iOS 6, a newly designed iOS 7, and Microsoft's Windows Phone 8, the user experience can be quantified between the Android system used by Samsung smartphones and the BlackBerry 10 system.
According to Pfeiffer, test methods try to elimin
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
responding. Work with your program and seamlessly connect to the foreground progress dialog.# 8. Check if the connection is available before attempting to connect to the networkBefore attempting to connect to the Internet, you should check whether the user has a connection available. If there is no connection, your application can notify the user of processing.# 9, Processing Android hardware buttonAndroid devices have a back button that you should h
problem! For example, easymoney or moneywise!
6. saving money on groceries
We have found a comprehensive application that saves you money on groceries. This application is called Grocery IQ. If something in your house is used up, you can use Grocery IQ to scan the bar code of the item and include it in your debris list! Most importantly, Grocery IQ can remember your various discount cards and coupons so that you will not miss out on these shopping opportunities!
enter the visual mode, and then select the rowColumn, input: automatically enter: 'After S/{old-pattern}/new-text/g is added, only the result of the selected region is replaced.
: '
(5) Replace the entire word instead of Partially Matching words.Outsourcing a word matching mode
: S/\
(6). Replacement of multiple itemsReplace multiple matches with a certain string.
: % S/\ (good \ | nice \)/Awesome/g // both good and nice will be replaced with awesome
(
Android mobile guard 10 -- Application Manager, android10 --
1. Add different types of entries
1 class MyAdapter extends BaseAdapter {2 3 // obtain the total number of entry types in the data adapter, and change it to two types (plain text, image + text) 4 @ Override 5 public int getViewTypeCount () {6 return super. getViewTypeCount () + 1; 7} 8 9 // specify the
and recommended reading are based on different versions. The three patterns of the old version implement different functions, while the new version completely uses the information page as the homepage, the page code is different.
3. main_footer: This page is also very simple. The footer file is displayed with five icons. The code is image, vertical line, picture, and vertical line... However, the image here uses the radiobutton tag, which is of great interest to me. Obviously, the single-stick
. Generally, we call the bottom layer the ground layer, the middle layer the Object layer, and the top layer the sky layer. We will talk about the map so much. Here we will only introduce the layering in the graphic sense to help you understand the meaning of layer. For more information about maps, see Chapter 10.
First, let's take a look at the definition of the abstract class layer:
PackageOrg. yexing. Android
Android blog garden client (7) login functionThis is just a simple login function. operations that can be performed after successful logon have not yet been implemented. The principle of logon is to obtain Cookies and store data in the database. Using HttpClient to simulate logon has already been written in another blog, so I will not go into details here. The code is very simple: SplashActivity: Copy code
This article is an essential knowledge for Android developers.1. Polling the serverGeneral application, the timing notification message can use the polling method to pick up messages from the server, of course, real-time message notification, recommend the use of push services.There is a need to pay attention to the polling frequency setting to balance demand and performance.2. Independent processesRegardless of whether the program is running, we have
Implementation of Camera Real-Time Filter on Android platform (7) -- Basic filter creation method (1)
Regarding how to make filters, zhihu's top ticket in this Q A gave a professional answer
In addition, InstagramFilters, an open-source project of githunb, once provided some filter code of the first version of Instagram, which is less than 20 types. GPUImage also has some image processing algorithms for le
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