Home | History | Annotate | Download | only in twolibs
      1 /*
      2  * Copyright (C) 2009 The Android Open Source Project
      3  *
      4  * Licensed under the Apache License, Version 2.0 (the "License");
      5  * you may not use this file except in compliance with the License.
      6  * You may obtain a copy of the License at
      7  *
      8  *      http://www.apache.org/licenses/LICENSE-2.0
      9  *
     10  * Unless required by applicable law or agreed to in writing, software
     11  * distributed under the License is distributed on an "AS IS" BASIS,
     12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
     13  * See the License for the specific language governing permissions and
     14  * limitations under the License.
     15  */
     16 package com.example.twolibs;
     17 
     18 import android.app.Activity;
     19 import android.widget.TextView;
     20 import android.os.Bundle;
     21 
     22 public class TwoLibs extends Activity
     23 {
     24     /** Called when the activity is first created. */
     25     @Override
     26     public void onCreate(Bundle savedInstanceState)
     27     {
     28         super.onCreate(savedInstanceState);
     29 
     30         TextView  tv = new TextView(this);
     31         int       x  = 1000;
     32         int       y  = 42;
     33 
     34         // here, we dynamically load the library at runtime
     35         // before calling the native method.
     36         //
     37         System.loadLibrary("twolib-second");
     38 
     39         int  z = add(x, y);
     40 
     41         tv.setText( "The sum of " + x + " and " + y + " is " + z );
     42         setContentView(tv);
     43     }
     44 
     45     public native int add(int  x, int  y);
     46 }
     47