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POProguard and reflection in Android
 

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    <p>I have just used proguard, but classes I am trying to instantiate via reflection are not working.</p> <p>I have an interface</p> <pre><code>Algorithm </code></pre> <p>I pass classes like this</p> <pre><code>AlgorithmFactory.SomeClassThatExtendsAlgorithmImpl.class </code></pre> <p>The class is instantiated like this</p> <pre><code>public ArrayList&lt;Algorithm&gt; getAlgorithms(Context cnx) { ArrayList&lt;Algorithm&gt; list = new ArrayList&lt;Algorithm&gt;(); for(Class&lt;? extends Algorithm&gt; alg: algorithms) { try { Constructor&lt;? extends Algorithm&gt; c = alg.getConstructor(Context.class); list.add(c.newInstance(cnx)); } catch (IllegalArgumentException e) { Log.e(TAG, "IllegalArgumentException", e); throw new IllegalStateException("There was a problem creating the Algorithm class"); } catch (InvocationTargetException e) { Log.e(TAG, "InvocationTargetException", e); throw new IllegalStateException("There was a problem creating the Algorithm class"); } catch (InstantiationException e) { Log.e(TAG, "InstantiationException", e); throw new IllegalStateException("There was a problem creating the Algorithm class"); } catch (IllegalAccessException e) { Log.e(TAG, "IllegalAccessException", e); throw new IllegalStateException("There was a problem creating the Algorithm class"); } catch (SecurityException e) { Log.e(TAG, "SecurityException", e); throw new IllegalStateException("There was a problem creating the Algorithm class"); } catch (NoSuchMethodException e) { Log.e(TAG, "NoSuchMethodException", e); throw new IllegalStateException("There was a problem creating the Algorithm class"); } } return list; } </code></pre> <p>Here is my proguard.cnf</p> <pre><code>-optimizationpasses 5 -dontusemixedcaseclassnames -dontskipnonpubliclibraryclasses -dontpreverify -verbose -optimizations !code/simplification/arithmetic,!field/*,!class/merging/* -keep public class * extends android.app.Activity -keep public class * extends android.app.Application -keep public class * extends android.app.Service -keep public class * extends android.content.BroadcastReceiver -keep public class * extends android.content.ContentProvider -keep public class com.android.vending.licensing.ILicensingService -keepclasseswithmembernames class * { native &lt;methods&gt;; } -keepclasseswithmembernames class * { public &lt;init&gt;(android.content.Context, android.util.AttributeSet); } -keepclasseswithmembernames class * { public &lt;init&gt;(android.content.Context, android.util.AttributeSet, int); } -keepclassmembers enum * { public static **[] values(); public static ** valueOf(java.lang.String); } -keep class * implements android.os.Parcelable { public static final android.os.Parcelable$Creator *; } -assumenosideeffects class android.util.Log { public static *** d(...); public static *** v(...); public static *** i(...); public static *** w(...); public static *** e(...); } </code></pre>
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    1. COI would recommend that you edit your question to only include the question an then answer the question yourself. After tow days or so you can accept your answer and other users will better understand your solution. It also allows us to upvote your answer and your question ;)
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