2010-11-30 25 views
1

我運行Ubuntu 10.10的Android鏈接錯誤

我不使用NDK

我編譯我的胳膊共享庫在DS-5(ARM的開發工具集,http://www.keil.com/arm/ds5/)。當我將它們放在libs/armeabi下並調用System.loadLibrary()時,它找不到它們。

這裏的類:

package org.me.testds5; 

//a JNI wrapper class 
public class WrapMyNative 
{ 
    static 
    { 
      //ERROR HERE 
      //note that calling 
      //System.loadLibrary("libAddSub"); generates the same error 
     System.loadLibrary("AddSub"); 
    } 

    //some native functions 
    public native int add(int a, int b); 
    public native int sub(int n, int m); 

} 

圖書館的確切名稱是libAddSub.so

的logcat的:

11-30 04:54:11.273: ERROR/AndroidRuntime(372): FATAL EXCEPTION: main 
11-30 04:54:11.273: ERROR/AndroidRuntime(372): java.lang.ExceptionInInitializerError 
11-30 04:54:11.273: ERROR/AndroidRuntime(372):  at org.me.testds5.TestDS5.onCreate(TestDS5.java:13) 
11-30 04:54:11.273: ERROR/AndroidRuntime(372):  at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047) 
11-30 04:54:11.273: ERROR/AndroidRuntime(372):  at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2627) 
11-30 04:54:11.273: ERROR/AndroidRuntime(372):  at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2679) 
11-30 04:54:11.273: ERROR/AndroidRuntime(372):  at android.app.ActivityThread.access$2300(ActivityThread.java:125) 
11-30 04:54:11.273: ERROR/AndroidRuntime(372):  at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2033) 
11-30 04:54:11.273: ERROR/AndroidRuntime(372):  at android.os.Handler.dispatchMessage(Handler.java:99) 
11-30 04:54:11.273: ERROR/AndroidRuntime(372):  at android.os.Looper.loop(Looper.java:123) 
11-30 04:54:11.273: ERROR/AndroidRuntime(372):  at android.app.ActivityThread.main(ActivityThread.java:4627) 
11-30 04:54:11.273: ERROR/AndroidRuntime(372):  at java.lang.reflect.Method.invokeNative(Native Method) 
11-30 04:54:11.273: ERROR/AndroidRuntime(372):  at java.lang.reflect.Method.invoke(Method.java:521) 
11-30 04:54:11.273: ERROR/AndroidRuntime(372):  at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:868) 
11-30 04:54:11.273: ERROR/AndroidRuntime(372):  at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:626) 
11-30 04:54:11.273: ERROR/AndroidRuntime(372):  at dalvik.system.NativeStart.main(Native Method) 
11-30 04:54:11.273: ERROR/AndroidRuntime(372): Caused by: java.lang.UnsatisfiedLinkError: Library AddSub not found 
11-30 04:54:11.273: ERROR/AndroidRuntime(372):  at java.lang.Runtime.loadLibrary(Runtime.java:461) 
11-30 04:54:11.273: ERROR/AndroidRuntime(372):  at java.lang.System.loadLibrary(System.java:557) 
11-30 04:54:11.273: ERROR/AndroidRuntime(372):  at org.me.testds5.WrapMyNative.<clinit>(WrapMyNative.java:7) 

回答

1

首先,你真的應該使用NDK,而不是其他一些海灣合作委員會構建如codesourcery,特別是而不是非gcc編譯器,它甚至可能不會以兼容格式生成目標文件。

其次,作爲一個試驗,嘗試使用system.load()來代替完整的路徑名。但是如果你不使用ndk gcc,仍然要爲問題做好準備。

+0

我正在使用ndk的替代方法,因爲我似乎無法獲得NDK來構建任何OpenGL ES。 我認爲二進制文件是兼容的,因爲ARM本身支持編譯 – Prime 2010-11-30 05:41:34