(Unsatisfiedlinkerror ule) {log.d ("FFMPEG", Ule.getmessage ());}} public native int h264decoderinit (int width, int height);p ublic native int h264decoderrelease ();p ublic native int H264deco De (byte[] in, Int. Insize, byte[] out);p ublic native int getffmpegversion ();}To generate a header file:Navigate to the Ffmpeg.class directory, run Javah-jni com.android.FFmpeg.class generate com_android_ffmpeg.h in cmdNew interface Implementation Class FFMPEG.C:#include Configure Ndk,build in eclipse
Projects that you develop yourself often use third-party open-source framework jar packages and library files. Jar package Copy and paste can, if more is the library file how to import it?Select the project being developed, right-to-bottom properties, pop up as shown:Select the second item on the left sidebar Android, then click Add in the lower right
Android dynamic skin replacement open source library Colorful released, androidcolorful
Recently I need to use the night mode, but after some searches, I don't seem to see a good open-source implementation. I see a similar library MultipleTheme, but I need to customize all the views to implement the skin swap function, it is troublesome. Prism does not support T
1. The so library appears when compilingThis is typically caused by the use of a new version of the NDK compilation, which the new NDK considers warning as error,Workaround: Add #local_disable_fatal_linker_warnings to Android.mk: = TrueThe so library compiled by this method cannot run on machines with a target API of more than 23.2. Android Runtime crash promptTh
A slightly larger project will use a third-party library, so there will inevitably be a different CPU architecture for the phone. So library files ' x86 ', ' x86_64 ', ' MIPS ', ' Mips64 ' Armeabi ', ' armeabi-v7a ', ' arm64-v8a ' But not all third-party libraries will adapt to all the CPU architecture, I have to test the use of a reduced performance and reduce the libr
The ". So" library used in the Gradle schemaThis address: Http://blog.csdn.net/caroline_wendyAndroid uses the gradle architecture of Android applications, need to do special processing of . So library , because will not find, will lead to compile correct, use error; common usage is based on different CPUs, There are different libraries, including:armeabi,mips,x86
print the log. The default parameter of the LogLevel () method is LogLevel.FULL to print all logs. To modify the MyApplication OnCreate () method:@OverridepublicvoidonCreate() { super.onCreate(); Logger.init(TAG).logLevel(LogLevel.NONE);}Run it and you can see that Logger does not have a print log.7. Print ExceptionLogger print Exception, can see very clearly Exception information, here we write an array out of bounds exception:@OverrideprotectedvoidonCreate(Bundle savedInstanceState) {
Original articles, reproduced please specify http://blog.csdn.net/leejizhou/article/details/50494634This article describes the use of Textinputlayout in the Android Design support library, assuming that you do not yet know how to use this Design library please refer to http://blog.csdn.net/ Leejizhou/article/details/50479934,textinputlayout makes your edittext fe
1. Build the LIBGLOG.A Static library using the NDK cross-compilation chain compilation Glog under the Linux platform.2. Place the generated library file and header file in an Android project, using the Jni method call.3. The compilation encountered the error "stderr, stdout undefined", (see here N many documents, seemingly A
Android graphics library Skia (I)-generate PNG images through basic testing
Based on the zookeeper Google Skia processing engine and Skia Demo Build. Skia is a cross-platform graphics library. It is currently used in Android and also has a PC version. Here we will test it to understand its meaning.
1. PC version test:
Android graphics library Skia (1)-generate PNG images through basic testing,
Based on the zookeeper Google Skia processing engine and Skia Demo Build. Skia is a cross-platform graphics library. It is currently used in Android and also has a PC version. Here we will test it to understand its meaning.
1. PC version test:
Android is a Linux platform-based open-source mobile operating system platform launched by Google.In the Android class library, the various packages are written in android.*, and the description of the important packages is as follows:[1]android.app: provide high-level program model, provide basic operating environment
Write in front:Android Studio has been released for some time now, the current version is 1.0.2Before the beta, I started experimenting with projects that were much more powerful than eclipse.In recent times, have been busy with the project, very little writing, O (╯-╰) O is not a good habit ahSee a lot of people on the web looking for Android studio project How to add library issuesDo not know is a master
Method:1. Create a new application.mk under the Jni folder; Add App_stl: = Stlport_static to the right of the value can also be replaced by the following:System-Uses the default minimal C + + execution library, which makes the resulting application small and memory-intensive, but some features will not supportStlport_static-use STLport as a static library, which is highly recommended by the
/* ************************************************************************* * get android APK JNI Library * Description: * With Android APK as the built-in apk, you will often encounter problems finding the JNI library, this article records how to solve this problem. *
Android loads a third-party class library during runtime
First, place the class library to be loaded during running to other directories of the project, such as creating a thirdlibs directory. Then use the dx command to compress the following class library and make it a dex file.
dx --dex --output=../assets/ *.jar
Thi
For details about how to debug the gdb process on Android, refer to the previous article.
If an android application contains a dynamic library call, a bunch of addresses are provided after the application exits unexpectedly,
For example
I/debug (841): Signal 11 (SIGSEGV), fault ADDR deadbaadI/debug (841): R0 00000000 R1 afd1498d R2 00000027 R3 00000070I/debug (8
First, open the software tool for Android Studio and go to the "file" option in the interface to click on the menu.
2In the pop-up drop-down menu, you can see the option to click Enter for the "New Module".
3Enter the module interface to choose Module Type, select the option for Android Library, and then click "Next" option.
4To configure
In order to solve the Android phone adaptation problem, we often think that if you can be a percentage of the interface layout, so it is easier to adapt to a variety of screens! Now Google officially provides a percentage layout support library (android-support-percent-lib).
This library provides:
Two kinds of layout f
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