From 769dbb3324ba7a354358880a0275c464022be663 Mon Sep 17 00:00:00 2001
From: srowen <srowen@59b500cc-1b3d-0410-9834-0bbf25fbcc57>
Date: Wed, 22 Jul 2009 10:36:11 +0000
Subject: [PATCH] Re-enable ProGuard, and finally identified the workaround
 that seems to make 4.4 work with our code without a VerifyError

git-svn-id: http://zxing.googlecode.com/svn/trunk@1025 59b500cc-1b3d-0410-9834-0bbf25fbcc57
---
 android/build.xml                             | 43 ++++++++++++++++++-
 .../google/zxing/qrcode/decoder/Version.java  |  4 +-
 2 files changed, 44 insertions(+), 3 deletions(-)

diff --git a/android/build.xml b/android/build.xml
index c81a9d4c..dd8fd7ee 100644
--- a/android/build.xml
+++ b/android/build.xml
@@ -95,7 +95,7 @@ limitations under the License.
   <property name="source-location" value="${basedir}/${source-folder}" />
 
   <!-- folder for the 3rd party java libraries -->
-  <property name="external-libs-folder" value="../core" />
+  <!--<property name="external-libs-folder" value="../core" />-->
 
   <!-- folder for the native libraries -->
   <property name="native-libs-folder" value="libs" />
@@ -179,9 +179,37 @@ limitations under the License.
       <src path="${gen-folder}" />
       <classpath>
         <fileset dir="${external-libs-folder}" includes="*.jar"/>
+        <!-- yeah, want to not use this mechanism above -->
+        <pathelement path="../core/core.jar"/>
         <pathelement path="${main-out-classes}"/>
       </classpath>
     </javac>
+
+    <!-- Optimize with ProGuard -->
+    <unzip src="../core/core.jar" dest="${out-classes}" overwrite="true"/>
+    <jar jarfile="temp.jar" basedir="${out-classes}"/>
+    <delete dir="${out-classes}"/>
+    <mkdir dir="${out-classes}"/>
+    <property name="libraryjars.path" refid="android.target.classpath"/>
+    <java jar="${WTK-home}/bin/proguard.jar" fork="true" failonerror="true">
+      <jvmarg value="-Dmaximum.inlined.code.length=32"/>
+      <arg value="-injars temp.jar"/>
+      <arg value="-outjars temp-optimized.jar"/>
+      <arg value="-libraryjars ${libraryjars.path}"/>
+      <arg value="-keep class com.google.zxing.client.android.*Activity"/>
+      <arg value="-keep class com.google.zxing.client.android.ViewfinderView { public * ; }"/>
+      <arg value="-keep class com.google.zxing.client.android.SearchBookContents* { public * ; }"/>
+      <arg value="-target 5"/>
+      <arg value="-optimizationpasses 7"/>
+      <arg value="-dontshrink"/>
+      <arg value="-dontobfuscate"/>
+      <arg value="-dontskipnonpubliclibraryclasses"/>
+      <arg value="-verbose"/>
+      <arg value="-dump proguard-dump.txt"/>
+    </java>
+    <delete file="temp.jar"/>
+    <unzip src="temp-optimized.jar" dest="${out-classes}" overwrite="true"/>
+    <delete file="temp-optimized.jar"/>
   </target>
 
   <!-- Convert this project's .class files into .dex files. -->
@@ -213,6 +241,19 @@ limitations under the License.
               basename="${ant.project.name}" />
   </target>
 
+  <!--
+  Getting an error like this?
+
+   [apply] UNEXPECTED TOP-LEVEL EXCEPTION:
+   [apply] com.android.dx.cf.code.SimException: local variable type
+   mismatch: attempt to set or access a value of type int using a local
+   variable of type com.google.zxing.qrcode.decoder.Version. This is
+   symptomatic of .class transformation tools that ignore local variable
+   information.
+
+  Build core/ with the 'build-no-debug' target. It's a long story.
+  -->
+
   <!-- Package the application and sign it with a debug key.
   This is the default target when building. It is used for debug. -->
   <target name="debug" depends="dex, package-resources">
diff --git a/core/src/com/google/zxing/qrcode/decoder/Version.java b/core/src/com/google/zxing/qrcode/decoder/Version.java
index 386aef8f..823bf2b7 100755
--- a/core/src/com/google/zxing/qrcode/decoder/Version.java
+++ b/core/src/com/google/zxing/qrcode/decoder/Version.java
@@ -189,12 +189,12 @@ public final class Version {
     private final int ecCodewordsPerBlock;
     private final ECB[] ecBlocks;
 
-    private ECBlocks(int ecCodewordsPerBlock, ECB ecBlocks) {
+    ECBlocks(int ecCodewordsPerBlock, ECB ecBlocks) {
       this.ecCodewordsPerBlock = ecCodewordsPerBlock;
       this.ecBlocks = new ECB[]{ecBlocks};
     }
 
-    private ECBlocks(int ecCodewordsPerBlock, ECB ecBlocks1, ECB ecBlocks2) {
+    ECBlocks(int ecCodewordsPerBlock, ECB ecBlocks1, ECB ecBlocks2) {
       this.ecCodewordsPerBlock = ecCodewordsPerBlock;
       this.ecBlocks = new ECB[]{ecBlocks1, ecBlocks2};
     }
-- 
2.20.1