android compatible gamepad

English Original: http://developer.android.com/guide/topics/manifest/compatible-screens-element.htmlAcquisition (update) Date: 2014-6-30Moved from the original blog: http://blog.sina.com.cn/s/blog_48d491300100zmub.html Grammar: Compatible-screens > android:screensize| "Normal" | "Large" | "XLarge"] android:screendensity/> ...

Unknowingly Android Oreo has been released for a few months, and your app is starting to use the latest platform? Do you encounter some tricky issues during the app migration? How is your Android app compatible with Oreo?We should all know that every major upgrade, in the compatibility of this piece will always appear more or less problems, today come together to

As China Mobile has been pushing its smartphone system, OPhone is about to celebrate its two-year-old birthday. Although it takes only two years, the growth of the self-developed smartphone platform in China from 1.5 to 2.0 can be said to be by leaps and bounds. The upcoming OPhone 2.5 attracted widespread attention from consumers and industry insiders. In last October, the new features and distinctive features of OPhone 2.5 were expected by many media, which not only brought new expectations fo

is: Under the Android SDK path, the four directories under each version of Build-tools\ are \renderscript\lib\packaged, Note that the selection of jar packages and. So versions is best selected for the most recent, such as the addition of x86-64 in 24.0.0. Well, it's perfect to be compatible with the version below 4.2. In addition, there is a most important point of attention, I was troubled by this det

Android implements personalized ViewPager switching animation practices PageTransformer (compatible with less than Android3.0) and androidviewpagerReprinted please indicate the source: bytes I wrote a blog post: Android custom ViewPager creates an ever-changing picture switching effect. Some brothers suggested that ViewPager comes with a setPageTransformer used t

problem similar to mine. Article :-------------------------------------------------------------------The directory structure of android1.6 cannot find the res resource.Http://7090.iteye.com/blog/997482The target = Android-3 APK is packaged as 1.5. When running on the 1.5 simulator, an error is reported, files under Res cannot be found.Java codeAndroid. content. res. resources $ notfoundexceptionLater, the simulator of 1.6 can run normally. It seems t

write Font-sizeAt present only a part of the Andro, no problem, dpr=2.75 is the millet mix,dpr=4 is Samsung S6 Edge, I see the online Android should also have dpr=1.5 situation, I have not met. So be sure to write a variety of programs, otherwise, the Android style really on the knees ................Here is a piece of article written better, can recommend reading:http://blog.csdn.net/a0405221/article/deta

2. Add a File_paths.xml fileThe file format is as follows"name" path="path"/ > ... Where the root element Here, we store the downloaded apk file in Android/data/"1.0" encoding="utf-8"?>"cache_download" path="download "/>3. Using Fileprovider in Java code Public Static voidinstallapk (Context context, file file) {Intent Intent=NewIntent (Intent.action_view); Uri data; //judge version greater than or equal to 7.0 if(Build.VERSION.SDK_

Recently, when a project in the team develops an APP, A WebView interface is used for display instead of a native control. One problem encountered during the development of this interface is that the fragmentation of Android causes many screen resolutions. Screens with different resolutions are compatible with the size of controls in the WebView of this interface. Because the size of

, }; Ivparameterspec Ivparameterspec; Ivparameterspec=NewIvparameterspec (iv); returnIvparameterspec; } PublicString Encrypt (string plaintext)throwsException {cipher.init (Cipher.encrypt_mode, key, spec); byte[] encrypted = Cipher.dofinal (Plaintext.getbytes ("UTF-8")); String Encryptedtext=NewString (Base64.encode (encrypted, base64.default),"UTF-8"); returnEncryptedtext; } PublicString Decrypt (String cryptedtext)throwsException {cipher.init (Cipher.decrypt_mode, key, spec); by

Go from Card God blog unity on both Android and iOS JSON librariesAlthough JSON parsing is common, it is often seen that you discuss how to parse it. But a lot of people often have problems. This article will help you solve the problem of JSON parsing at once.This article uses JSON parsing in real-world projects and is compatible with PC, Android, and iOS. There

Bug Description:The Click event cannot be triggered under iOS, android4.4+.Bug fixes:Call the Iscroll plugin to add configuration parameters: Click:true/falseClick the value is to judge according to mobile terminal equipment, if it is simply to determine the type of terminal, android4.4+ still can not click, this is an android pit, after all, there is no unified iOS system.So add a function to judge:######## #function Iscrollclick () {if (/iphone|ipad

[Android] determines whether shortcuts exist-more compatible (12 times faster) and android12times faster1 principle: I did not intend to find this in 2.3. When I followed the online example to check whether the shortcut was created, the application suddenly crashed, saying that the application lacked permissions. Com. android. launcher. permission. READ_SETTINGS

(); Statuslayout.setbackgroundcolor (color); Layout.addview (statuslayout); }Special api21+.当API21+：能够调用系统API直接对状态栏着色if(Build.VERSION.SDK_INT>=Build.VERSION_CODES.LOLLIPOP){ this.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS); this.getWindow().setStatusBarColor(ContextCompat.getColor(this,R.color.red_normal));}SummarizeThe implementation of the status bar coloring is not complicated, only three steps, the real use is actually a few lines of co

, height)); Typedvalue Typedvalue =NewTypedvalue (); TypedArray a = Activity.obtainstyledattributes (Typedvalue.data,New int[]{r.attr.colorprimary}];intcolor = A.getcolor (0,0); A.recycle (); Statuslayout.setbackgroundcolor (color); Layout.addview (statuslayout); }Special api21+.当API21+：可以调用系统API直接对状态栏着色if(Build.VERSION.SDK_INT>=Build.VERSION_CODES.LOLLIPOP){ this.getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS); this.getWindow().setStatus