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android-ndk-openssl's Introduction

Hi there 👋

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ernest4cu live17909 xfzyy forbe jlijian3 ahnan4arch magicmian yeahlouis katana-o xiaoshenol

android-ndk-openssl's Issues

maybe the wrong path?

Reading your great article: https://juejin.im/entry/56d7a4705bbb50004ca31cf5

from programing standing of point, it is fine. In practice, it is too risky with this hack way though: if OS changes something for those 2 libs in next release, the app will not function at all. If really go this way ( using the existing lib baked inside OS image, but there is NDK header/so files ), probably use dlopen()/dlsym(). that way app at least get change to check whether the required functions are supported in the running OS; plus your APK size will be smaller -- you do not have to include them inside APK.

The proposed way in the article is too risky to be used in production application, might giving local developer community wrong direction... just my personal view.

Thanks

运行报错，java.lang.UnsatisfiedLinkError

terro，你好！非常感谢你为大家提供了这个在Android中应用OpenSSL的demo！但是，在我这里运行会报错，错误日志如下：

3-14 17:30:48.402 3617-3617/com.example.openssltest E/AndroidRuntime: FATAL EXCEPTION: main
                                                                       Process: com.example.openssltest, PID: 3617
                                                                       java.lang.UnsatisfiedLinkError: No implementation found for byte[] com.example.openssltest.MainActivity.hmacSha256(byte[]) (tried Java_com_example_openssltest_MainActivity_hmacSha256 and Java_com_example_openssltest_MainActivity_hmacSha256___3B)
                                                                           at com.example.openssltest.MainActivity.hmacSha256(Native Method)
                                                                           at com.example.openssltest.MainActivity.onCreate(MainActivity.java:14)
                                                                           at android.app.Activity.performCreate(Activity.java:6251)
                                                                           at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107)
                                                                           at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369)
                                                                           at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476)
                                                                           at android.app.ActivityThread.-wrap11(ActivityThread.java)
                                                                           at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344)
                                                                           at android.os.Handler.dispatchMessage(Handler.java:102)
                                                                           at android.os.Looper.loop(Looper.java:148)
                                                                           at android.app.ActivityThread.main(ActivityThread.java:5417)
                                                                           at java.lang.reflect.Method.invoke(Native Method)
                                                                           at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726)
                                                                           at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616)
                                                                           at de.robv.android.xposed.XposedBridge.main(XposedBridge.java:102)

我查了一下这个错误原因，网上大多数情况都是因为JNI的方法名称定义没有按照规定定义，可是在你的demo里面可以看到JNI的方法名称定义是没有问题的，所以不知道问题出在哪里，还望不吝赐教！

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