1667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu/* 2667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * Copyright (C) 2013 The Android Open Source Project 3667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * 4667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * Licensed under the Apache License, Version 2.0 (the "License"); 5667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * you may not use this file except in compliance with the License. 6667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * You may obtain a copy of the License at 7667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * 8667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * http://www.apache.org/licenses/LICENSE-2.0 9667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * 10667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * Unless required by applicable law or agreed to in writing, software 11667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * distributed under the License is distributed on an "AS IS" BASIS, 12667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * See the License for the specific language governing permissions and 14667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * limitations under the License. 15667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu */ 16667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 17667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chupackage android.support.multidex; 18667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 19dd3cc22f2fbc8ea4dd5fa88978dc8d1ae5034bd9Yohann Rousselimport android.app.Application; 20667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chuimport android.content.Context; 21667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chuimport android.content.pm.ApplicationInfo; 22667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chuimport android.os.Build; 23667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chuimport android.util.Log; 24667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 25602c6ca8cae4718ba8ff9f65e53305d002479359Yohann Rousselimport dalvik.system.DexFile; 26602c6ca8cae4718ba8ff9f65e53305d002479359Yohann Roussel 27667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chuimport java.io.File; 28667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chuimport java.io.IOException; 29667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chuimport java.lang.reflect.Array; 30667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chuimport java.lang.reflect.Field; 31667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chuimport java.lang.reflect.InvocationTargetException; 32667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chuimport java.lang.reflect.Method; 33667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chuimport java.util.ArrayList; 34667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chuimport java.util.Arrays; 35667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chuimport java.util.HashSet; 36667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chuimport java.util.List; 37667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chuimport java.util.ListIterator; 38667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chuimport java.util.Set; 397b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Rousselimport java.util.regex.Matcher; 407b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Rousselimport java.util.regex.Pattern; 4166f379f774e06e650375750d18b1695ddb853371Maurice Chuimport java.util.zip.ZipFile; 42667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 43667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu/** 448be7c7a5a6377745054dcd3f1176a7f4cb96b153Sebastien Hertz * MultiDex patches {@link Context#getClassLoader() the application context class 45667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * loader} in order to load classes from more than one dex file. The primary 46dd3cc22f2fbc8ea4dd5fa88978dc8d1ae5034bd9Yohann Roussel * {@code classes.dex} must contain the classes necessary for calling this 47dd3cc22f2fbc8ea4dd5fa88978dc8d1ae5034bd9Yohann Roussel * class methods. Secondary dex files named classes2.dex, classes3.dex... found 48dd3cc22f2fbc8ea4dd5fa88978dc8d1ae5034bd9Yohann Roussel * in the application apk will be added to the classloader after first call to 49667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * {@link #install(Context)}. 50667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * 51667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * <p/> 527b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel * This library provides compatibility for platforms with API level 4 through 20. This library does 537b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel * nothing on newer versions of the platform which provide built-in support for secondary dex files. 54667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu */ 55667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chupublic final class MultiDex { 56667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 57667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu static final String TAG = "MultiDex"; 58667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 59590a07e63868f0a1da311ff22b4a9f35eb48a865Yohann Roussel private static final String OLD_SECONDARY_FOLDER_NAME = "secondary-dexes"; 60590a07e63868f0a1da311ff22b4a9f35eb48a865Yohann Roussel 61606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel private static final String CODE_CACHE_NAME = "code_cache"; 62606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel 63606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel private static final String CODE_CACHE_SECONDARY_FOLDER_NAME = "secondary-dexes"; 64667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 657b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel private static final int MAX_SUPPORTED_SDK_VERSION = 20; 66667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 67667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu private static final int MIN_SDK_VERSION = 4; 68667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 697b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel private static final int VM_WITH_MULTIDEX_VERSION_MAJOR = 2; 707b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel 717b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel private static final int VM_WITH_MULTIDEX_VERSION_MINOR = 1; 727b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel 73667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu private static final Set<String> installedApk = new HashSet<String>(); 74667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 757b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel private static final boolean IS_VM_MULTIDEX_CAPABLE = 767b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel isVMMultidexCapable(System.getProperty("java.vm.version")); 777b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel 78667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu private MultiDex() {} 79667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 80667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu /** 81667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * Patches the application context class loader by appending extra dex files 82dd3cc22f2fbc8ea4dd5fa88978dc8d1ae5034bd9Yohann Roussel * loaded from the application apk. This method should be called in the 83dd3cc22f2fbc8ea4dd5fa88978dc8d1ae5034bd9Yohann Roussel * attachBaseContext of your {@link Application}, see 84dd3cc22f2fbc8ea4dd5fa88978dc8d1ae5034bd9Yohann Roussel * {@link MultiDexApplication} for more explanation and an example. 85667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * 86667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * @param context application context. 87667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * @throws RuntimeException if an error occurred preventing the classloader 88667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * extension. 89667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu */ 90667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu public static void install(Context context) { 91602c6ca8cae4718ba8ff9f65e53305d002479359Yohann Roussel Log.i(TAG, "install"); 927b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel if (IS_VM_MULTIDEX_CAPABLE) { 937b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel Log.i(TAG, "VM has multidex support, MultiDex support library is disabled."); 947b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel return; 957b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel } 96667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 97667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu if (Build.VERSION.SDK_INT < MIN_SDK_VERSION) { 98667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu throw new RuntimeException("Multi dex installation failed. SDK " + Build.VERSION.SDK_INT 99667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu + " is unsupported. Min SDK version is " + MIN_SDK_VERSION + "."); 100667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 101667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 102667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu try { 103d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel ApplicationInfo applicationInfo = getApplicationInfo(context); 104667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu if (applicationInfo == null) { 105d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel // Looks like running on a test Context, so just return without patching. 106667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu return; 107667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 108667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 109667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu synchronized (installedApk) { 110667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu String apkPath = applicationInfo.sourceDir; 111667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu if (installedApk.contains(apkPath)) { 112667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu return; 113667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 114667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu installedApk.add(apkPath); 115667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 1167b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel if (Build.VERSION.SDK_INT > MAX_SUPPORTED_SDK_VERSION) { 1177b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel Log.w(TAG, "MultiDex is not guaranteed to work in SDK version " 1187b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel + Build.VERSION.SDK_INT + ": SDK version higher than " 1197b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel + MAX_SUPPORTED_SDK_VERSION + " should be backed by " 1207b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel + "runtime with built-in multidex capabilty but it's not the " 1217b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel + "case here: java.vm.version=\"" 1227b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel + System.getProperty("java.vm.version") + "\""); 123667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 124667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 125667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu /* The patched class loader is expected to be a descendant of 126667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * dalvik.system.BaseDexClassLoader. We modify its 127667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * dalvik.system.DexPathList pathList field to append additional DEX 128667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * file entries. 129667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu */ 130667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu ClassLoader loader; 131667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu try { 132667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu loader = context.getClassLoader(); 133667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } catch (RuntimeException e) { 134667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu /* Ignore those exceptions so that we don't break tests relying on Context like 135667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * a android.test.mock.MockContext or a android.content.ContextWrapper with a 136667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * null base Context. 137667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu */ 138667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Log.w(TAG, "Failure while trying to obtain Context class loader. " + 139667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu "Must be running in test mode. Skip patching.", e); 140667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu return; 141667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 142667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu if (loader == null) { 143667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu // Note, the context class loader is null when running Robolectric tests. 144667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Log.e(TAG, 145667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu "Context class loader is null. Must be running in test mode. " 146667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu + "Skip patching."); 147667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu return; 148667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 149667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 150590a07e63868f0a1da311ff22b4a9f35eb48a865Yohann Roussel try { 151590a07e63868f0a1da311ff22b4a9f35eb48a865Yohann Roussel clearOldDexDir(context); 152590a07e63868f0a1da311ff22b4a9f35eb48a865Yohann Roussel } catch (Throwable t) { 153590a07e63868f0a1da311ff22b4a9f35eb48a865Yohann Roussel Log.w(TAG, "Something went wrong when trying to clear old MultiDex extraction, " 154590a07e63868f0a1da311ff22b4a9f35eb48a865Yohann Roussel + "continuing without cleaning.", t); 155590a07e63868f0a1da311ff22b4a9f35eb48a865Yohann Roussel } 156590a07e63868f0a1da311ff22b4a9f35eb48a865Yohann Roussel 157606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel File dexDir = getDexDir(context, applicationInfo); 1589958145a97586375966bc133c900ead0e1550f2aYohann Roussel List<? extends File> files = 1599958145a97586375966bc133c900ead0e1550f2aYohann Roussel MultiDexExtractor.load(context, applicationInfo, dexDir, false); 160fe10f9fd25a4d7bb287d36b3730aa0d605115053Yohann Roussel installSecondaryDexes(loader, dexDir, files); 161667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 162667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 163667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } catch (Exception e) { 164667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Log.e(TAG, "Multidex installation failure", e); 165667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu throw new RuntimeException("Multi dex installation failed (" + e.getMessage() + ")."); 166667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 167602c6ca8cae4718ba8ff9f65e53305d002479359Yohann Roussel Log.i(TAG, "install done"); 168667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 169667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 17087738871b50552a98a083f8e840089e8889b3e2aJon Noack private static ApplicationInfo getApplicationInfo(Context context) { 171d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel try { 17287738871b50552a98a083f8e840089e8889b3e2aJon Noack /* Due to package install races it is possible for a process to be started from an old 17387738871b50552a98a083f8e840089e8889b3e2aJon Noack * apk even though that apk has been replaced. Querying for ApplicationInfo by package 17487738871b50552a98a083f8e840089e8889b3e2aJon Noack * name may return information for the new apk, leading to a runtime with the old main 17587738871b50552a98a083f8e840089e8889b3e2aJon Noack * dex file and new secondary dex files. This leads to various problems like 17687738871b50552a98a083f8e840089e8889b3e2aJon Noack * ClassNotFoundExceptions. Using context.getApplicationInfo() should result in the 17787738871b50552a98a083f8e840089e8889b3e2aJon Noack * process having a consistent view of the world (even if it is of the old world). The 17887738871b50552a98a083f8e840089e8889b3e2aJon Noack * package install races are eventually resolved and old processes are killed. 17987738871b50552a98a083f8e840089e8889b3e2aJon Noack */ 18087738871b50552a98a083f8e840089e8889b3e2aJon Noack return context.getApplicationInfo(); 181d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel } catch (RuntimeException e) { 182d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel /* Ignore those exceptions so that we don't break tests relying on Context like 183d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel * a android.test.mock.MockContext or a android.content.ContextWrapper with a null 184d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel * base Context. 185d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel */ 186d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel Log.w(TAG, "Failure while trying to obtain ApplicationInfo from Context. " + 187d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel "Must be running in test mode. Skip patching.", e); 188d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel return null; 189d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel } 190d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel } 191d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel 1927b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel /** 1937b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel * Identifies if the current VM has a native support for multidex, meaning there is no need for 1947b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel * additional installation by this library. 1957b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel * @return true if the VM handles multidex 1967b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel */ 1977b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel /* package visible for test */ 1987b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel static boolean isVMMultidexCapable(String versionString) { 1997b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel boolean isMultidexCapable = false; 2007b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel if (versionString != null) { 2017b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel Matcher matcher = Pattern.compile("(\\d+)\\.(\\d+)(\\.\\d+)?").matcher(versionString); 2027b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel if (matcher.matches()) { 2037b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel try { 2047b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel int major = Integer.parseInt(matcher.group(1)); 2057b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel int minor = Integer.parseInt(matcher.group(2)); 2067b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel isMultidexCapable = (major > VM_WITH_MULTIDEX_VERSION_MAJOR) 2077b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel || ((major == VM_WITH_MULTIDEX_VERSION_MAJOR) 2087b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel && (minor >= VM_WITH_MULTIDEX_VERSION_MINOR)); 2097b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel } catch (NumberFormatException e) { 2107b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel // let isMultidexCapable be false 2117b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel } 2127b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel } 2137b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel } 2147b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel Log.i(TAG, "VM with version " + versionString + 2157b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel (isMultidexCapable ? 2167b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel " has multidex support" : 2177b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel " does not have multidex support")); 2187b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel return isMultidexCapable; 2197b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel } 2207b86f7e21c70ac06129c05ed137e585a308c6fd1Yohann Roussel 2219958145a97586375966bc133c900ead0e1550f2aYohann Roussel private static void installSecondaryDexes(ClassLoader loader, File dexDir, 2229958145a97586375966bc133c900ead0e1550f2aYohann Roussel List<? extends File> files) 223cc63eda4e6defe6b0dd5dd3c8fa608cf6ff26011Maurice Chu throws IllegalArgumentException, IllegalAccessException, NoSuchFieldException, 224cc63eda4e6defe6b0dd5dd3c8fa608cf6ff26011Maurice Chu InvocationTargetException, NoSuchMethodException, IOException { 225cc63eda4e6defe6b0dd5dd3c8fa608cf6ff26011Maurice Chu if (!files.isEmpty()) { 226cc63eda4e6defe6b0dd5dd3c8fa608cf6ff26011Maurice Chu if (Build.VERSION.SDK_INT >= 19) { 227cc63eda4e6defe6b0dd5dd3c8fa608cf6ff26011Maurice Chu V19.install(loader, files, dexDir); 228cc63eda4e6defe6b0dd5dd3c8fa608cf6ff26011Maurice Chu } else if (Build.VERSION.SDK_INT >= 14) { 229cc63eda4e6defe6b0dd5dd3c8fa608cf6ff26011Maurice Chu V14.install(loader, files, dexDir); 230cc63eda4e6defe6b0dd5dd3c8fa608cf6ff26011Maurice Chu } else { 231cc63eda4e6defe6b0dd5dd3c8fa608cf6ff26011Maurice Chu V4.install(loader, files); 232cc63eda4e6defe6b0dd5dd3c8fa608cf6ff26011Maurice Chu } 233cc63eda4e6defe6b0dd5dd3c8fa608cf6ff26011Maurice Chu } 234cc63eda4e6defe6b0dd5dd3c8fa608cf6ff26011Maurice Chu } 235cc63eda4e6defe6b0dd5dd3c8fa608cf6ff26011Maurice Chu 236cc63eda4e6defe6b0dd5dd3c8fa608cf6ff26011Maurice Chu /** 237667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * Locates a given field anywhere in the class inheritance hierarchy. 238667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * 239667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * @param instance an object to search the field into. 240667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * @param name field name 241667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * @return a field object 242667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * @throws NoSuchFieldException if the field cannot be located 243667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu */ 244667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu private static Field findField(Object instance, String name) throws NoSuchFieldException { 245667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu for (Class<?> clazz = instance.getClass(); clazz != null; clazz = clazz.getSuperclass()) { 246667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu try { 247667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Field field = clazz.getDeclaredField(name); 248667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 249667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 250667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu if (!field.isAccessible()) { 251667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu field.setAccessible(true); 252667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 253667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 254667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu return field; 255667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } catch (NoSuchFieldException e) { 256667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu // ignore and search next 257667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 258667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 259667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 260667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu throw new NoSuchFieldException("Field " + name + " not found in " + instance.getClass()); 261667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 262667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 263667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu /** 264667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * Locates a given method anywhere in the class inheritance hierarchy. 265667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * 266667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * @param instance an object to search the method into. 267667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * @param name method name 268667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * @param parameterTypes method parameter types 269667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * @return a method object 270667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * @throws NoSuchMethodException if the method cannot be located 271667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu */ 272667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu private static Method findMethod(Object instance, String name, Class<?>... parameterTypes) 273667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu throws NoSuchMethodException { 274667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu for (Class<?> clazz = instance.getClass(); clazz != null; clazz = clazz.getSuperclass()) { 275667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu try { 276667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Method method = clazz.getDeclaredMethod(name, parameterTypes); 277667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 278667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 279667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu if (!method.isAccessible()) { 280667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu method.setAccessible(true); 281667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 282667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 283667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu return method; 284667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } catch (NoSuchMethodException e) { 285667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu // ignore and search next 286667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 287667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 288667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 289667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu throw new NoSuchMethodException("Method " + name + " with parameters " + 290667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Arrays.asList(parameterTypes) + " not found in " + instance.getClass()); 291667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 292667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 293667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu /** 294667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * Replace the value of a field containing a non null array, by a new array containing the 295667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * elements of the original array plus the elements of extraElements. 296667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * @param instance the instance whose field is to be modified. 297667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * @param fieldName the field to modify. 298667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * @param extraElements elements to append at the end of the array. 299667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu */ 300667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu private static void expandFieldArray(Object instance, String fieldName, 301667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Object[] extraElements) throws NoSuchFieldException, IllegalArgumentException, 302667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu IllegalAccessException { 303667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Field jlrField = findField(instance, fieldName); 304667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Object[] original = (Object[]) jlrField.get(instance); 305667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Object[] combined = (Object[]) Array.newInstance( 306667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu original.getClass().getComponentType(), original.length + extraElements.length); 307667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu System.arraycopy(original, 0, combined, 0, original.length); 308667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu System.arraycopy(extraElements, 0, combined, original.length, extraElements.length); 309667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu jlrField.set(instance, combined); 310667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 311667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 312d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel private static void clearOldDexDir(Context context) throws Exception { 313590a07e63868f0a1da311ff22b4a9f35eb48a865Yohann Roussel File dexDir = new File(context.getFilesDir(), OLD_SECONDARY_FOLDER_NAME); 314d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel if (dexDir.isDirectory()) { 315d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel Log.i(TAG, "Clearing old secondary dex dir (" + dexDir.getPath() + ")."); 316d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel File[] files = dexDir.listFiles(); 317d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel if (files == null) { 318d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel Log.w(TAG, "Failed to list secondary dex dir content (" + dexDir.getPath() + ")."); 319d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel return; 320d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel } 321d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel for (File oldFile : files) { 322d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel Log.i(TAG, "Trying to delete old file " + oldFile.getPath() + " of size " 323d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel + oldFile.length()); 324d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel if (!oldFile.delete()) { 325d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel Log.w(TAG, "Failed to delete old file " + oldFile.getPath()); 326d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel } else { 327d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel Log.i(TAG, "Deleted old file " + oldFile.getPath()); 328d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel } 329d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel } 330d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel if (!dexDir.delete()) { 331d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel Log.w(TAG, "Failed to delete secondary dex dir " + dexDir.getPath()); 332d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel } else { 333d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel Log.i(TAG, "Deleted old secondary dex dir " + dexDir.getPath()); 334d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel } 335d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel } 336d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel } 337d79604bd38c101b54e41745f85ddc2e04d978af2Yohann Roussel 338606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel private static File getDexDir(Context context, ApplicationInfo applicationInfo) 339606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel throws IOException { 340606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel File cache = new File(applicationInfo.dataDir, CODE_CACHE_NAME); 341606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel try { 342606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel mkdirChecked(cache); 343606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel } catch (IOException e) { 344606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel /* If we can't emulate code_cache, then store to filesDir. This means abandoning useless 345606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel * files on disk if the device ever updates to android 5+. But since this seems to 346606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel * happen only on some devices running android 2, this should cause no pollution. 347606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel */ 348606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel cache = new File(context.getFilesDir(), CODE_CACHE_NAME); 349606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel mkdirChecked(cache); 350606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel } 351606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel File dexDir = new File(cache, CODE_CACHE_SECONDARY_FOLDER_NAME); 352606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel mkdirChecked(dexDir); 353606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel return dexDir; 354606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel } 355606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel 356606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel private static void mkdirChecked(File dir) throws IOException { 357606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel dir.mkdir(); 358606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel if (!dir.isDirectory()) { 359606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel File parent = dir.getParentFile(); 360606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel if (parent == null) { 361606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel Log.e(TAG, "Failed to create dir " + dir.getPath() + ". Parent file is null."); 362606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel } else { 363606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel Log.e(TAG, "Failed to create dir " + dir.getPath() + 364606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel ". parent file is a dir " + parent.isDirectory() + 365606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel ", a file " + parent.isFile() + 366606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel ", exists " + parent.exists() + 367606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel ", readable " + parent.canRead() + 368606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel ", writable " + parent.canWrite()); 369606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel } 370606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel throw new IOException("Failed to create directory " + dir.getPath()); 371606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel } 372606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel } 373606af94785cb96d418d87fe5a90bb2e09ccfa97fYohann Roussel 374667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu /** 375667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * Installer for platform versions 19. 376667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu */ 377667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu private static final class V19 { 378667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 3799958145a97586375966bc133c900ead0e1550f2aYohann Roussel private static void install(ClassLoader loader, 3809958145a97586375966bc133c900ead0e1550f2aYohann Roussel List<? extends File> additionalClassPathEntries, 381667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu File optimizedDirectory) 382667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu throws IllegalArgumentException, IllegalAccessException, 383667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu NoSuchFieldException, InvocationTargetException, NoSuchMethodException { 384667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu /* The patched class loader is expected to be a descendant of 385667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * dalvik.system.BaseDexClassLoader. We modify its 386667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * dalvik.system.DexPathList pathList field to append additional DEX 387667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * file entries. 388667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu */ 389667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Field pathListField = findField(loader, "pathList"); 390667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Object dexPathList = pathListField.get(loader); 391667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu ArrayList<IOException> suppressedExceptions = new ArrayList<IOException>(); 392667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu expandFieldArray(dexPathList, "dexElements", makeDexElements(dexPathList, 393667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu new ArrayList<File>(additionalClassPathEntries), optimizedDirectory, 394667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu suppressedExceptions)); 395667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu if (suppressedExceptions.size() > 0) { 39688117c37e2c3f8601f295b74a3e804877afb78eeYohann Roussel for (IOException e : suppressedExceptions) { 39788117c37e2c3f8601f295b74a3e804877afb78eeYohann Roussel Log.w(TAG, "Exception in makeDexElement", e); 39888117c37e2c3f8601f295b74a3e804877afb78eeYohann Roussel } 399667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Field suppressedExceptionsField = 40074e66b8013b5b9002f67e53825c189a18597b1e8Yohann Roussel findField(dexPathList, "dexElementsSuppressedExceptions"); 401667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu IOException[] dexElementsSuppressedExceptions = 40274e66b8013b5b9002f67e53825c189a18597b1e8Yohann Roussel (IOException[]) suppressedExceptionsField.get(dexPathList); 403667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 404667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu if (dexElementsSuppressedExceptions == null) { 405667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu dexElementsSuppressedExceptions = 406667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu suppressedExceptions.toArray( 407667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu new IOException[suppressedExceptions.size()]); 408667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } else { 409667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu IOException[] combined = 410667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu new IOException[suppressedExceptions.size() + 411667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu dexElementsSuppressedExceptions.length]; 412667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu suppressedExceptions.toArray(combined); 413667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu System.arraycopy(dexElementsSuppressedExceptions, 0, combined, 414667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu suppressedExceptions.size(), dexElementsSuppressedExceptions.length); 415667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu dexElementsSuppressedExceptions = combined; 416667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 417667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 41874e66b8013b5b9002f67e53825c189a18597b1e8Yohann Roussel suppressedExceptionsField.set(dexPathList, dexElementsSuppressedExceptions); 419667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 420667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 421667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 422667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu /** 423667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * A wrapper around 424667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * {@code private static final dalvik.system.DexPathList#makeDexElements}. 425667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu */ 426667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu private static Object[] makeDexElements( 427667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Object dexPathList, ArrayList<File> files, File optimizedDirectory, 428667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu ArrayList<IOException> suppressedExceptions) 429667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu throws IllegalAccessException, InvocationTargetException, 430667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu NoSuchMethodException { 431667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Method makeDexElements = 432667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu findMethod(dexPathList, "makeDexElements", ArrayList.class, File.class, 433667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu ArrayList.class); 434667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 435667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu return (Object[]) makeDexElements.invoke(dexPathList, files, optimizedDirectory, 436667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu suppressedExceptions); 437667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 438667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 439667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 440667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu /** 441667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * Installer for platform versions 14, 15, 16, 17 and 18. 442667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu */ 443667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu private static final class V14 { 444667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 4459958145a97586375966bc133c900ead0e1550f2aYohann Roussel private static void install(ClassLoader loader, 4469958145a97586375966bc133c900ead0e1550f2aYohann Roussel List<? extends File> additionalClassPathEntries, 447667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu File optimizedDirectory) 448667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu throws IllegalArgumentException, IllegalAccessException, 449667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu NoSuchFieldException, InvocationTargetException, NoSuchMethodException { 450667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu /* The patched class loader is expected to be a descendant of 451667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * dalvik.system.BaseDexClassLoader. We modify its 452667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * dalvik.system.DexPathList pathList field to append additional DEX 453667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * file entries. 454667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu */ 455667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Field pathListField = findField(loader, "pathList"); 456667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Object dexPathList = pathListField.get(loader); 457667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu expandFieldArray(dexPathList, "dexElements", makeDexElements(dexPathList, 458667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu new ArrayList<File>(additionalClassPathEntries), optimizedDirectory)); 459667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 460667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 461667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu /** 462667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * A wrapper around 463667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * {@code private static final dalvik.system.DexPathList#makeDexElements}. 464667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu */ 465667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu private static Object[] makeDexElements( 466667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Object dexPathList, ArrayList<File> files, File optimizedDirectory) 467667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu throws IllegalAccessException, InvocationTargetException, 468667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu NoSuchMethodException { 469667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Method makeDexElements = 470667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu findMethod(dexPathList, "makeDexElements", ArrayList.class, File.class); 471667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 472667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu return (Object[]) makeDexElements.invoke(dexPathList, files, optimizedDirectory); 473667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 474667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 475667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 476667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu /** 477667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * Installer for platform versions 4 to 13. 478667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu */ 479667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu private static final class V4 { 4809958145a97586375966bc133c900ead0e1550f2aYohann Roussel private static void install(ClassLoader loader, 4819958145a97586375966bc133c900ead0e1550f2aYohann Roussel List<? extends File> additionalClassPathEntries) 482667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu throws IllegalArgumentException, IllegalAccessException, 483667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu NoSuchFieldException, IOException { 484667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu /* The patched class loader is expected to be a descendant of 485667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * dalvik.system.DexClassLoader. We modify its 48652eafa01b1e61e410cb4c5609eacee93c2a3e853Yohann Roussel * fields mPaths, mFiles, mZips and mDexs to append additional DEX 487667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu * file entries. 488667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu */ 489667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu int extraSize = additionalClassPathEntries.size(); 490667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 491667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu Field pathField = findField(loader, "path"); 492667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 493667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu StringBuilder path = new StringBuilder((String) pathField.get(loader)); 494667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu String[] extraPaths = new String[extraSize]; 495667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu File[] extraFiles = new File[extraSize]; 49666f379f774e06e650375750d18b1695ddb853371Maurice Chu ZipFile[] extraZips = new ZipFile[extraSize]; 497667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu DexFile[] extraDexs = new DexFile[extraSize]; 4989958145a97586375966bc133c900ead0e1550f2aYohann Roussel for (ListIterator<? extends File> iterator = additionalClassPathEntries.listIterator(); 499667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu iterator.hasNext();) { 500667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu File additionalEntry = iterator.next(); 501667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu String entryPath = additionalEntry.getAbsolutePath(); 502667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu path.append(':').append(entryPath); 503667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu int index = iterator.previousIndex(); 504667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu extraPaths[index] = entryPath; 505667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu extraFiles[index] = additionalEntry; 50666f379f774e06e650375750d18b1695ddb853371Maurice Chu extraZips[index] = new ZipFile(additionalEntry); 507667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu extraDexs[index] = DexFile.loadDex(entryPath, entryPath + ".dex", 0); 508667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 509667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 510667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu pathField.set(loader, path.toString()); 511667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu expandFieldArray(loader, "mPaths", extraPaths); 512667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu expandFieldArray(loader, "mFiles", extraFiles); 51366f379f774e06e650375750d18b1695ddb853371Maurice Chu expandFieldArray(loader, "mZips", extraZips); 514667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu expandFieldArray(loader, "mDexs", extraDexs); 515667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 516667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu } 517667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu 518667f9a8a8155c41970a83be1414b57b5e37de336Maurice Chu} 519