4f5d0e60b4
When an app's LOCAL_SDK_VERSION is lower than the support library's
LOCAL_SDK_VERSION, we artifically raises the "SDK version" "linked"
by ProGuard, to
- suppress ProGuard warnings of referencing symbols unknown to the
lower SDK version.
- prevent ProGuard stripping subclass in the support library that
extends class added in the higher SDK version.
This allows us to remove the dangerous ProGuard flag
"-dontwarn android.support.**".
Notes:
- We don't raise the app's LOCAL_SDK_VERSION, so that the app's own
code is still unable to use the higher SDK version.
- For platform build, we can't just raise to the "current" SDK,
because would break apps that use APIs removed from the current SDK.
We raise it to framework.jar instead, which contains the most complete
symbol set.
Bug: 20658265
Change-Id: I90099073457a65cb8031fbaec6b396d68ce614a7
(cherry picked from commit 8e8d1e7aba)
69 lines
2.8 KiB
Text
69 lines
2.8 KiB
Text
# see http://sourceforge.net/tracker/?func=detail&aid=2787465&group_id=54750&atid=474707
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-optimizations !code/simplification/arithmetic
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-optimizations !code/simplification/cast
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# To prevent name conflict in incremental obfuscation.
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-useuniqueclassmembernames
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# Some classes in the libraries extend package private classes to chare common functionality
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# that isn't explicitly part of the API
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-dontskipnonpubliclibraryclasses -dontskipnonpubliclibraryclassmembers
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# For enumeration classes, see http://proguard.sourceforge.net/manual/examples.html#enumerations
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-keepclassmembers enum * {
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public static **[] values();
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public static ** valueOf(java.lang.String);
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}
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# For native methods, see http://proguard.sourceforge.net/manual/examples.html#native
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-keepclasseswithmembernames class * {
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native <methods>;
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}
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# class$ methods are inserted by some compilers to implement .class construct,
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# see http://proguard.sourceforge.net/manual/examples.html#library
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-keepclassmembernames class * {
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java.lang.Class class$(java.lang.String);
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java.lang.Class class$(java.lang.String, boolean);
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}
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# Keep serializable classes and necessary members for serializable classes
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# Copied from the ProGuard manual at http://proguard.sourceforge.net.
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-keepnames class * implements java.io.Serializable
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-keepclassmembers class * implements java.io.Serializable {
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static final long serialVersionUID;
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private static final java.io.ObjectStreamField[] serialPersistentFields;
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!static !transient <fields>;
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private void writeObject(java.io.ObjectOutputStream);
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private void readObject(java.io.ObjectInputStream);
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java.lang.Object writeReplace();
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java.lang.Object readResolve();
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}
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# Please specify classes to be kept explicitly in your package's configuration.
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# -keep class * extends android.app.Activity
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# -keep class * extends android.view.View
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# -keep class * extends android.app.Service
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# -keep class * extends android.content.BroadcastReceiver
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# -keep class * extends android.content.ContentProvider
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# -keep class * extends android.preference.Preference
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# -keep class * extends android.app.BackupAgent
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# Parcelable CREATORs must be kept for Parcelable functionality
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-keep class * implements android.os.Parcelable {
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public static final ** CREATOR;
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}
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# The support library contains references to newer platform versions.
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# Don't warn about those in case this app is linking against an older
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# platform version. We know about them, and they are safe.
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# See proguard-android.txt in the SDK package.
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#
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# DO NOT USE THIS: We figured it's dangerous to blindly ignore all support library warnings.
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# ProGuard may strip members of subclass of unknown super classes, in case an app is linking against
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# LOCAL_SDK_VERSION lower than the support library's LOCAL_SDK_VERSION.
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# See bug/20658265.
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# -dontwarn android.support.**
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# Less spammy.
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-dontnote
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