Android jni開發問題總結

文章主要用來記錄我寫jni時遇到的問題 ,不說廢話,直接寫吧。


1 直接報錯說找不到這個method , 找了半天,路徑什麼的都對了一遍,發現沒有什麼問題, 然後想着應該是函數名那裏漏寫了, 第一遍查的時候發現我忘記把類名寫進去了

也就是Java_com_example_jnitest_MainActivity_getString  少了MainActivity  , 改了之後發現還是沒有找到,簡直了。。。。  然後也是各種找資料,最後發現了一句話,就是說在其他都對的情況下,這種錯的唯一一個原因是函數名寫錯了,然後又回去找, 最後發現我多寫了一個 _ 。。。。。。。   去掉之後就正確了

 E/AndroidRuntime(1167): java.lang.UnsatisfiedLinkError: Native method not found: com.example.jnitest.MainActivity.getString:()Ljava/lang/String;

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" 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暫時先寫一個 , 一邊寫jni, 一遍自己逆一下吧, 然後就是各種加固和解固了, 還是有很長的路要走。



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