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/*
* Copyright (C) 2017 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.
*/
import java.lang.reflect.Method;
public class Main {
private static long getDexFileSize(String filename) throws Exception {
ClassLoader loader = Main.class.getClassLoader();
Class<?> DexFile = loader.loadClass("dalvik.system.DexFile");
Method DexFile_loadDex = DexFile.getMethod("loadDex",
String.class,
String.class,
Integer.TYPE);
Method DexFile_getStaticSizeOfDexFile = DexFile.getMethod("getStaticSizeOfDexFile");
Object dexFile = DexFile_loadDex.invoke(null, filename, null, 0);
return (Long) DexFile_getStaticSizeOfDexFile.invoke(dexFile);
}
private static void test(String resource) throws Exception {
String filename = System.getenv("DEX_LOCATION") + "/res/" + resource;
long size = getDexFileSize(filename);
System.out.println("Size for " + resource + ": " + size);
}
public static void main(String[] args) throws Exception {
test("test1.dex");
test("test2.dex");
test("test-jar.jar");
test("multi-jar.jar");
}
}
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