Java程序  |  34行  |  1.17 KB

/*
 * Copyright (C) 2014 The Android Open Source Project
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

public class Main {
  public static void main(String[] args) {
    System.loadLibrary(args[0]);
    System.out.println(
        "Has oat is " + hasOat() + ", is dex2oat enabled is " + isDex2OatEnabled() + ".");

    if (hasOat() && !isDex2OatEnabled()) {
      throw new Error("Application with dex2oat disabled runs with an oat file");
    } else if (!hasOat() && isDex2OatEnabled()) {
      throw new Error("Application with dex2oat enabled runs without an oat file");
    }
  }

  private native static boolean hasOat();

  private native static boolean isDex2OatEnabled();
}