Compiled from "MainActivity.java"

public class com.example.hellojni.MainActivity extends android.app.Activity {

  static {};

    Signature: ()V

  public com.example.hellojni.MainActivity();

    Signature: ()V

  protected void onCreate(android.os.Bundle);

    Signature: (Landroid/os/Bundle;)V

  public boolean onCreateOptionsMenu(android.view.Menu);

    Signature: (Landroid/view/Menu;)Z

  public native java.lang.String stringFromJNI(); //native 方法

    Signature: ()Ljava/lang/String;  //签名

  public native int max(int, int); //native 方法

    Signature: (II)I    //签名

}

 package com.example.hellojni;

 import android.os.Bundle;

 import android.app.Activity;

 import android.util.Log;

 import android.view.Menu;

 import android.widget.TextView;

 public class MainActivity extends Activity {

     @Override

     protected void onCreate(Bundle savedInstanceState) {

         super.onCreate(savedInstanceState);

         setContentView(R.layout.activity_main);

         TextView  tv = new TextView(this);

         tv.setText( stringFromJNI() );

         setContentView(tv);

         Log.d("JNI", "max = " + max(, ));

     }

     @Override

     public boolean onCreateOptionsMenu(Menu menu) {

         getMenuInflater().inflate(R.menu.main, menu);

         return true;

     }

     public native String  stringFromJNI();

     public native int max(int a,int b);

     static {

         System.loadLibrary("hellojni");

     }

 }