2016-03-03 106 views
0

我想在我的Android項目中使用犀牛 this以下。我黎明犀牛,並在lib加入js.jar
這裏是我的MainActivity犀牛爲Android

public class MainActivity extends AppCompatActivity { 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     ... 

     Context rhino = Context.enter(); 
//  try{      // I commented it to catch the error 
      rhino.setLanguageVersion(Context.VERSION_1_2); 
      Scriptable scope = rhino.initStandardObjects(); 
      Object result=rhino.evaluateString(scope, 
          "obj={a:1,b:['x','y']}", "MySource", 1, 
          null);  // This line cannot be compiled 

      Scriptable obj = (Scriptable)scope.get("obj",scope); 
      Log.i("JS","obj " + (obj == result ? "==" : "!=") +" result"); 

      Log.i("js","obj.a == " + obj.get("a", obj)); 


      Scriptable b = (Scriptable) obj.get("b", obj); 
//  }catch (Exception e){ 
//   Log.e("js","Exception....."); 
//  } 
    } 
} 

logcat的:

FATAL EXCEPTION: main 
    Process: com.behy.jsinand, PID: 7027 
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.behy.jsinand/com.behy.jsinand.MainActivity}: java.lang.UnsupportedOperationException: can't load this type of class file 
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2325) 
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387) 
    at android.app.ActivityThread.access$800(ActivityThread.java:151) 
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303) 
    at android.os.Handler.dispatchMessage(Handler.java:102) 
    at android.os.Looper.loop(Looper.java:135) 
    at android.app.ActivityThread.main(ActivityThread.java:5254) 
    at java.lang.reflect.Method.invoke(Native Method) 
    at java.lang.reflect.Method.invoke(Method.java:372) 
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903) 
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) 
    Caused by: java.lang.UnsupportedOperationException: can't load this type of class file 
    at java.lang.ClassLoader.defineClass(ClassLoader.java:300) 
    at org.mozilla.javascript.DefiningClassLoader.defineClass(DefiningClassLoader.java:27) 
    at org.mozilla.javascript.optimizer.Codegen.defineClass(Codegen.java:130) 
    at org.mozilla.javascript.optimizer.Codegen.createScriptObject(Codegen.java:85) 
    at org.mozilla.javascript.Context.compileImpl(Context.java:2394) 
    at org.mozilla.javascript.Context.compileString(Context.java:1335) 
    at org.mozilla.javascript.Context.compileString(Context.java:1324) 
    at org.mozilla.javascript.Context.evaluateString(Context.java:1076) 
    at com.behy.jsinand.MainActivity.onCreate(MainActivity.java:41) 
    at android.app.Activity.performCreate(Activity.java:5990) 
    at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106) 
    at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278) 
    at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387)  
    at android.app.ActivityThread.access$800(ActivityThread.java:151)  
    at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303)  
    at android.os.Handler.dispatchMessage(Handler.java:102)  
    at android.os.Looper.loop(Looper.java:135)  
    at android.app.ActivityThread.main(ActivityThread.java:5254)  
    at java.lang.reflect.Method.invoke(Native Method)  
    at java.lang.reflect.Method.invoke(Method.java:372)  
    at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:903)  
    at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698)  

據complately根據樣本項目,但我不undrestand爲什麼它不編譯。

回答

0

我修復了它(並且發佈回答可能對你有幫助)
問題中鏈接的項目不適用於Android應用程序。
要在android中編譯它,您應該將您的ContextoptimizationLevel設置爲-1: rhino.setOptimizationLevel(-1);

它的工作原理!