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Backwards compatibility is poor in Android, but an app app can be processed or run between versions. Backward compatibility is not good, different versions of the system its API version is different, naturally some interfaces are different, the new platform can not use the old API, the old platform can not use the new API.For the app to be more compatible, we can use the high version of the SDK to develop t
Android auto-complete components (SocialTokenAutoComplete)-a more friendly way @ someone in social apps, android four components
Project address: https://github.com/bitjjj/SocialTokenAutoComplete
Sample Code:
public class SocialTokenActivity extends Activity { SocialContactsCompletionView completionView; Con
CompanyMobile phoneThen, the software can run on both platforms (iPhone and Android). After all, the two are the same application environment ." In other words, Android will try to be compatible with iPhone programs.
At the same time, miner insisted that a major improvement of Android is that developers do not needCro
These days some people say that the Android app may run on Windows Phone later on. Personal opinion: It is unlikely that Windows phone is compatible with Android for reference to the instance that BB10 was killed. AppX now looks like Android, iOS can do, reference VS2015 preview performance, with appx to invade other p
. In the past, the screen ratio of iPhone 3: 2 was shorter than that of mainstream Android machines at. If an advertisement bar was added to the iOS app, the display of the screen would be shorter and shorter, the visible area will be greatly reduced, and many developers choose not to place ad strips on the app. Now, the iPhone 5 is 176 pixels more vertically than the iPhone 4/4s, and developers who didn't put ad strips just put them in these extra pi
Enable animation implementation for android apps and enable animation for android appsFor example, if A. java enables an animation, it then enters B. java.
1. A. java
Protected void onCreate (Bundle savedInstanceState ){Super. onCreate (savedInstanceState );Log. I ("START Animation", "Start Animation ");// Remove the titleRequestWindowFeature (Window. FEATURE_NO_
Android Material Design-Creating Apps with Material Design (use Material Design to Design Apps)-(0), materialandroid
Reprinted please indicate the source: http://blog.csdn.net/bbld_/article/details/40400031
Preface
This article is the first official material design document translation article. For more information about material design, see the Chinese version
Common learning, common progress, reproduced please indicate the source. Welcome to Exchange:Sfssqs, apply for the words "Android Car"================= =========================HTTPS://developer.android.com/traning/auto/start/index.xmlLet's study Android Auto together.Android Auto
Basic tutorial for Android-1.2.1 use Eclipse + ADT + SDK to develop Android apps and androidadtAndroid basics tutorial -- 1.2.1 use Eclipse + ADT + SDK to develop Android apps
Tags (separated by spaces): basic Android tutorial1. P
This article describes 10 recommendations for the efficient development of apps in Android programming. Share to everyone for your reference, specific as follows:
If you want Google Play to do a most failed case, the best secret is that the interface is incredibly slow, power consumption, memory consumption. Then you get negative comments from the user, and then your reputation stinks. Even if your applica
A very simple Android simulator software Bluestacks app player that allows you to easily run all of the Android apps in the Google Play Store (view reports) on the PC side. But perhaps a lot of people generally feel that installing an Android simulator is a chore, and today's small series can help you install the
= + app_name +, app_version = + app_version +, packagename = + packagename +, isUserApp = + isUserApp +];}
2. Obtain the business AppInfoService of the mobile app
This class is mainly used to obtain the main business functions of apps installed on mobile phones, and encapsulates how to obtain apps installed on mobile phones.
The specific implementation code is as follows:
Package cn. lyz. mobilesafe. engi
Hardware and Software EnvironmentMacbook Pro MGX 72Android Studio 1.3.2Genymotion SimulatorIntegrated friend of the Alliance SDKFirst to the league's official website http://www.umeng.com/registered account, completed to the admin back to add the need to integrate the application of the Alliance statistics, as follows
After submitting, assign key to your application, as followsPs://raw.githubusercontent.com/djstava/notebook/master/android/umeng/umeng_
allowed to share a WebView data directory between different processes. If your app has more than one process using any of the other APIs in the WebView, Cookiemanager, or Android.webkit packages, your app will crash when the second process calls the WebView function.
SELinux prohibits access to the app's data directory
The system enforces the SELinux sandbox for each app to enforce a per-app SELinux limit for each app's private data catalog. Access to other
Create shortcuts for apps in Android and android shortcuts
(1) Use sending broadcast to create a shortcut: In this demo, the function is as follows: click a button on the interface to generate a shortcut, click the shortcut to go To the dialing page;
The generation process is as follows:
1: The following permissions:
2: Add Action to a new Intent in Activity:
automated testing of iOS and Android. It is an open source tool. It supports Android versions from 2.3 and later. Appium runs the test with the Webdriver interface. It supports a variety of programming languages, such as Java,c #,ruby and other languages in the Webdriver library.It can control safari and chrome on your mobile device. This allows you to test mobile sites using Appium and these browsers.But
(visible in the table above in Samsung Galaxy S II). "What to test"Mobile apps must provide the best user experience and are displayed correctly (UI testing) on a variety of smartphones and tablets in different sizes and resolutions (keyword "responsive design"). At the same time, apps must be functional and compatible (compatibility testing) with as many devic
Why I wrote this article?
When I learn more about Android's graphics system, and do more work about how to use CPU/GPU in more paralleled Way to Improve the graphics performance in Android, I start to think that there are actually some big design mistakes in Android graphics system,Especially the rendering architecture in the client side.
Some mistakes have been solved after 3.x, especially above 4.1, but o
Android automatically updates apps
Currently, General android software is constantly updated. when you open an app, if there is a new version, it will prompt you that a new version needs to be updated. The applet implements this function.
A prompt box will pop up when there is an update. Click OK to create a progress bar in the notification for download. Click Ca
650) this.width=650; "Title=" Android app uses ultrasound to get user privacy Android apps use ultrasound to get user privacy "alt=" Android apps use ultrasound to get user privacy Android app
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