diff options
Diffstat (limited to 'base/android/java/src/org/chromium/base/multidex/ChromiumMultiDexInstaller.java')
-rw-r--r-- | base/android/java/src/org/chromium/base/multidex/ChromiumMultiDexInstaller.java | 114 |
1 files changed, 0 insertions, 114 deletions
diff --git a/base/android/java/src/org/chromium/base/multidex/ChromiumMultiDexInstaller.java b/base/android/java/src/org/chromium/base/multidex/ChromiumMultiDexInstaller.java deleted file mode 100644 index e4b30b9..0000000 --- a/base/android/java/src/org/chromium/base/multidex/ChromiumMultiDexInstaller.java +++ /dev/null @@ -1,114 +0,0 @@ -// Copyright 2015 The Chromium Authors. All rights reserved. -// Use of this source code is governed by a BSD-style license that can be -// found in the LICENSE file. - -package org.chromium.base.multidex; - -import android.app.ActivityManager; -import android.app.ActivityManager.RunningAppProcessInfo; -import android.content.Context; -import android.content.pm.ApplicationInfo; -import android.content.pm.PackageManager; -import android.os.Build; -import android.support.multidex.MultiDex; - -import org.chromium.base.Log; -import org.chromium.base.VisibleForTesting; - -import java.lang.reflect.InvocationTargetException; -import java.lang.reflect.Method; - -/** - * Performs multidex installation for non-isolated processes. - */ -public class ChromiumMultiDexInstaller { - - private static final String TAG = "base_multidex"; - - /** - * Suffix for the meta-data tag in the AndroidManifext.xml that determines whether loading - * secondary dexes should be skipped for a given process name. - */ - private static final String IGNORE_MULTIDEX_KEY = ".ignore_multidex"; - - /** - * Installs secondary dexes if possible/necessary. - * - * Isolated processes (e.g. renderer processes) can't load secondary dex files on - * K and below, so we don't even try in that case. - * - * In release builds of app apks (as opposed to test apks), this is a no-op because: - * - multidex isn't necessary in release builds because we run proguard there and - * thus aren't threatening to hit the dex limit; and - * - calling MultiDex.install, even in the absence of secondary dexes, causes a - * significant regression in start-up time (crbug.com/525695). - * - * @param context The application context. - */ - @VisibleForTesting - public static void install(Context context) { - if (!ChromiumMultiDex.isMultidexEnabled()) return; - - // TODO(jbudorick): Back out this version check once support for K & below works. - // http://crbug.com/512357 - if (Build.VERSION.SDK_INT < Build.VERSION_CODES.LOLLIPOP - && !shouldInstallMultiDex(context)) { - Log.i(TAG, "Skipping multidex installation: not needed for process."); - } else { - MultiDex.install(context); - Log.i(TAG, "Completed multidex installation."); - } - } - - private static String getProcessName(Context context) { - try { - String currentProcessName = null; - int pid = android.os.Process.myPid(); - - ActivityManager manager = - (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE); - for (RunningAppProcessInfo processInfo : manager.getRunningAppProcesses()) { - if (processInfo.pid == pid) { - currentProcessName = processInfo.processName; - break; - } - } - - return currentProcessName; - } catch (SecurityException ex) { - return null; - } - } - - // Determines whether MultiDex should be installed for the current process. Isolated - // Processes should skip MultiDex as they can not actually access the files on disk. - // Privileged processes need ot have all of their dependencies in the MainDex for - // performance reasons. - private static boolean shouldInstallMultiDex(Context context) { - try { - Method isIsolatedMethod = - android.os.Process.class.getMethod("isIsolated"); - Object retVal = isIsolatedMethod.invoke(null); - if (retVal != null && retVal instanceof Boolean && ((Boolean) retVal)) { - return false; - } - } catch (IllegalAccessException | IllegalArgumentException - | InvocationTargetException | NoSuchMethodException e) { - // Ignore and fall back to checking the app processes. - } - - String currentProcessName = getProcessName(context); - if (currentProcessName == null) return true; - - PackageManager packageManager = context.getPackageManager(); - try { - ApplicationInfo appInfo = packageManager.getApplicationInfo(context.getPackageName(), - PackageManager.GET_META_DATA); - if (appInfo == null || appInfo.metaData == null) return true; - return !appInfo.metaData.getBoolean(currentProcessName + IGNORE_MULTIDEX_KEY, false); - } catch (PackageManager.NameNotFoundException e) { - return true; - } - } - -} |