Android mk编译OkHttp3

使用OkHttp，放到framework层编译，编译错误：

Warning: okio.DeflaterSink: can't find referenced class org.codehaus.mojo.animal_sniffer.IgnoreJRERequirementWarning: okio.Okio: can't find referenced class java.nio.file.FilesWarning: okio.Okio: can't find referenced class java.nio.file.FilesWarning: okio.Okio: can't find referenced class java.nio.file.FilesWarning: okio.Okio: can't find referenced class java.nio.file.PathWarning: okio.Okio: can't find referenced class java.nio.file.OpenOptionWarning: okio.Okio: can't find referenced class java.nio.file.PathWarning: okio.Okio: can't find referenced class java.nio.file.OpenOptionWarning: okio.Okio: can't find referenced class org.codehaus.mojo.animal_sniffer.IgnoreJRERequirementWarning: okio.Okio: can't find referenced class java.nio.file.PathWarning: okio.Okio: can't find referenced class java.nio.file.OpenOptionWarning: okio.Okio: can't find referenced class java.nio.file.PathWarning: okio.Okio: can't find referenced class java.nio.file.OpenOptionWarning: okio.Okio: can't find referenced class org.codehaus.mojo.animal_sniffer.IgnoreJRERequirementWarning: there were 14 unresolved references to classes or interfaces.         You may need to add missing library jars or update their versions.         If your code works fine without the missing classes, you can suppress         the warnings with '-dontwarn' options.         (http://proguard.sourceforge.net/manual/troubleshooting.html#unresolvedclass)Error: Please correct the above warnings first.

编译环境：

• Welcome to Ubuntu 14.04.4 LTS (GNU/Linux 3.16.0-40-generic x86_64)

• miyuehu@ubuntu:~$ java -version

• java version “1.7.0_101”
• OpenJDK Runtime Environment (IcedTea 2.6.6) (7u101-2.6.6-0ubuntu0.14.04.1)
• OpenJDK 64-Bit Server VM (build 24.95-b01, mixed mode)

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github okhttp FAQs

https://github.com/square/okhttp/issues/964
大牛回复
Nope. They are safe to ignore!

擦，不用管。
关键提示信息：“the warnings with ‘-dontwarn’ options”
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修改Android.mk

###使能proguard.cfgLOCAL_PROGUARD_ENABLED := fullLOCAL_PROGUARD_FLAG_FILES := proguard.cfgLOCAL_CERTIFICATE := platforminclude $(BUILD_PACKAGE)include $(CLEAR_VARS)LOCAL_PREBUILT_STATIC_JAVA_LIBRARIES := okhttp:libs/okhttp-3.5.0.jar LOCAL_PREBUILT_STATIC_JAVA_LIBRARIES += okio:libs/okio-1.11.0.jarinclude $(BUILD_MULTI_PREBUILT)

修改proguard.cfg

-dontwarn okio.**

目录结构：
.
├── AndroidManifest.xml
├── Android.mk
├── assets
├── libs
│?? ├── okhttp-3.5.0.jar
│?? └── okio-1.11.0.jar