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
This article is the learning note, video address of "Android app stress test" of Mu-class network
http://www.imooc.com/video/13007
Monkey is a tool for sending pseudo-random user events.Monkeyscript Implementation of the automated test script, is a set of monkey can be recognized by the collection of commands, you can complete the repeated fixed operation. Screenshots are not supported.Monkeyr
px, technology over the actual use of technology is half of the pixel, that is, half of the pixels = technical dimensions; For example: "Classification" 2 words, I standard is 36px, technology that size is 18px;B: All text, the dimensions of the line spacing are even; because the technology is divided by our size by 2;C: Color Labeling Some technical requirements 16, some technical requirements RGB, due to the limitations of the page so I only labele
Android system Xiaomi/Samsung/Sony app startup icon unread message count (BadgeNumber) Dynamic reminder, androidbadgenumber
On Android phones, for example, QQ, when there is unread message, we can see that there is a red circle in the upper right corner of the app startup icon, and the number of unread messages is dyn
0x01 Android Intents with Chrome
Android has a feature that few people know can send intent via a Web page to launch apps. The app was previously launched via the Web page by setting the SRC attribute of the IFRAME, for example:This method applies to version 18 or earlier. Other Android browsers are also availabl
assets file.3. Call the setContentView () method of Activity to display the webpage view.4. after reading many pages through the WebView link, in order to allow WebView to support the rollback function, we need to overwrite the onKeyDown () method of the Activity class. If no processing is done, click the system rollback scissors, the entire browser calls finish () instead of rolling back to the previous page.5. You must add permissions to the AndroidManifest. xml file. Otherwise, the Web page
android2.3, android2.2 and below, the webview In the SDK does not fully support HTML5.The following is an example:Mainactivity. JavaPackage com. Android. webview. activity;Import Android. App. activity;Import Android. OS. Bundle;Import Android. View. keyevent;Import
Application of small pendant (also known as a small window pendant) in the android1.5 is the first time, later, android3.0 and android3.1 have been greatly developed, they can show some of the application of common information or some relevant information to the desktop, the standard Android mirror image has many of its own Small pendants, such as: Alarm clock, music, etc.
Figure 1. Example app widgets i
applications, no more nonsense, an example of everything.One, offline application cache HTML 5 Offline application Cache• Add MIME type support on the server: Text/cache-manifestIf you added under Apache:AddType text/cache-manifest ManifestIf it is nginx, add the following:Text/cache-manifest manifest;Or generated by a dynamic program:1Header (' content-type:text/cache-manifest; Charset=utf-8 ');• Create N
start node of city, the city object is created and the object is created to make it easier to save the text that will be parsedWhen parsing to the name start node, gets the text content of the next node, same as temp, PM CaseXmlpullparser.start_tag://gets the name of the current node if("Weather". Equals (Xp.getname ())) {Citys=NewArraylist(); }Else if("City". Equals (Xp.getname ())) { City=NewCity ();
basic developer information, detailed participation in the market register instructions) For example, as seen in:?Note: Can search in Baidu : xx Developer Center,xx open platform. 2. After logging in, go to the Admin center and if you've uploaded the app before, you'll see the information already in the app below. For example, as seen in:????3. after entering the Admin center, click Create software Selecti
Android uses content observer for text message eavesdropping and android observer
The principle of content observer for Android introduces some basic principles of content observer and provides a simple practice. This article goes on to build a small project.
Package com. wuyudong. smslistener; import java. io. file; i
android:name="Android.intent.category.DEFAULT"/> data android:scheme="sms" /> data android:scheme="Smsto" /> intent-filter> -- intent-filter> action android:name="Android.intent.action.SEND"/> category android:name="Android.intent.category.DEFAULT"/> data android:mimetype="image/*"/> data android:mimetype="Text/plain"/> intent-filter>activity>Note : In order to receive intent, we need to include
Finally:
Implement the SD card file browser
Technical analysis:
The main controls used:Listview
How to fill in the listview control, you need to traverse all the files under the entire SD card. If you traverse a folder, first obtain all the files under the folder, then we can fill all the files in this listview, so we can repeat it.
How can I get the modification date of a folder or file?
The file class in Java only provides us with a public long lastmodified (): The long value of the last modi
specifically visible http://developer.android.com/tools/debugging/ddms.html. Ddms a bridge for the IDE and Emultor, the real Android device. Developers can see the process running on the target machine/out-of-the-box status through DDMS, can be Android screen to the development machine, can see the heap information of the process, can view the Logcat information, can see the process allocated memory situati
At the end of this chapter has been released application demo, has implemented all the text and subsequent articles described in all the functions, we can first download down to play, welcome to comment below this article, the small side is very need to encourage support!!!The ultimate effect of novel reader see the previous post on a blog postCreate a new projectWe are about to embark on an Android develop
Android operating system for In addition, if the user wants to add an app shortcut to the device's home screen, you can press and hold the app's icon in launcher, and the Android system will automatically add a shortcut to the app on the home screen. The name and icon are the same as in launcher.In addition to supporti
MainActivity is as follows:
Copy codeThe Code is as follows: package cn. testnbackpressed;
Import android. OS. Bundle;
Import android. view. KeyEvent;
Import android. app. Activity;
/**
* Demo description:
* Process the Back key press event
*
* Note:
* Do not use the following two methods together
*/
Public class Main
Miuitoast {}You don't have to inherit other classes (except for object ...). )Start codeWe generally use native Toast as direct toast.maketext (this, text, Toast.length_short). Show (); Where maketext This static method returns a toast instance and then calls the Show method to display the toast.We'll take care of the Maketext method. Public Static Boolean showTime) { new miuitoast (context, text, show
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