android - Injected view null with roboguice 3 when minifiedEnabled = true -


i using roboguice 3 in application , when minifiedenabled set false in debug mode working fine. if however, set minifiedenabled true injected views seem null: 

nullpointerexception: attempt invoke virtual method 'void android.support.v4.view.viewpager.setadapter(android.support.v4.view.pageradapter)' on null object reference

my proguard config looks follows:

-dontobfuscate -dontoptimize -dontusemixedcaseclassnames -dontskipnonpubliclibraryclasses -dontskipnonpubliclibraryclassmembers -dontpreverify -verbose -dump class_files.txt -printseeds seeds.txt -printusage unused.txt -printmapping mapping.txt -optimizations !code/simplification/arithmetic,!field/*,!class/merging/*  -allowaccessmodification -renamesourcefileattribute sourcefile -keepattributes sourcefile,linenumbertable -repackageclasses ''  -dontwarn rx.internal.** -dontwarn retrofit.appengine.urlfetchclient -dontwarn roboguice.** -dontwarn org.roboguice.** -dontwarn com.squareup.okhttp.** -dontwarn okio.** -dontwarn org.joda.convert.**  -keepattributes *annotation* -keepattributes signature -keepattributes exceptions -keepattributes innerclasses -keep class roboguice.** -keep class com.google.inject.** { *; } -keep class javax.inject.** { *; } -keep class javax.annotation.** { *; } -keep class retrofit.** { *; } -keep class android.support.v7.** { *; } -keep interface android.support.v7.** { *; } -keep class android.support.v4.** { *; } -keep interface android.support.v4.** { *; } -keep class com.squareup.okhttp.** { *; } -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 * extends android.app.backup.backupagenthelper -keep public class * extends android.preference.preference -keep public class com.android.vending.licensing.ilicensingservice -keep class com.google.inject.binder -keep class com.afollestad.materialdialogs.gravityenum -keep class org.rtschat.views.tab.slidingtablayout$tabcolorizer -dontnote com.android.vending.licensing.ilicensingservice  -keepclassmembers class ** {     public void onevent*(**); }  -keepclassmembers class * {     @com.google.inject.inject <init>(...); }  -keepclassmembers class * {     void *(**on*event); }  -keepclasseswithmembers class * {     @retrofit.http.* <methods>; }  -keepclassmembers class * implements java.io.serializable {     static final long serialversionuid;     private static final java.io.objectstreamfield[] serialpersistentfields;     private void writeobject(java.io.objectoutputstream);     private void readobject(java.io.objectinputstream);     java.lang.object writereplace();     java.lang.object readresolve(); }  -keepclasseswithmembernames class * {     native <methods>; }  -keepclasseswithmembernames class * {     public <init>(android.content.context, android.util.attributeset); }  -keepclasseswithmembernames class * {     public <init>(android.content.context, android.util.attributeset, int); }  -keepclassmembers class **.r$* {   public static <fields>; }  -keepclassmembers enum * {     public static **[] values();     public static ** valueof(java.lang.string); }  -keep public class * {     public protected *; }  -keep class * implements android.os.parcelable {   public static final android.os.parcelable$creator *; }  -keep class sun.misc.unsafe { *; }  -keep class com.google.gson.examples.android.model.** { *; }

i fix adding proguard conf:

-keepclassmembers class * {     ...     @com.google.inject.injectresource <init>(...);     @com.google.inject.inject <fields>;     @com.google.inject.injectview <fields>; }

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