Main.java revision 0a112bbbcd761c749c346bfec0ec39c1ef37a590 
1/*
2 * Copyright (C) 2014 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
17public class Main {
18  public static void main(String[] args) {
19    System.out.println(
20        "dex2oat & patchoat are " + ((isDex2OatEnabled()) ? "enabled" : "disabled") +
21        ", has oat is " + hasOat() + ", has executable oat is " + hasExecutableOat() + ".");
22
23    if (!hasOat() && isDex2OatEnabled()) {
24      throw new Error("Application with dex2oat enabled runs without an oat file");
25    }
26
27    System.out.println(functionCall());
28  }
29
30  public static String functionCall() {
31    String arr[] = {"This", "is", "a", "function", "call"};
32    String ret = "";
33    for (int i = 0; i < arr.length; i++) {
34      ret = ret + arr[i] + " ";
35    }
36    return ret.substring(0, ret.length() - 1);
37  }
38
39  static {
40    System.loadLibrary("arttest");
41  }
42
43  private native static boolean isDex2OatEnabled();
44
45  private native static boolean hasOat();
46
47  private native static boolean hasExecutableOat();
48}
49