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
