-keeppackagenames com.mbridge.**
-keepattributes Signature
-keepattributes *Annotation*
-keep class com.mbridge.** {*; }
-keep interface com.bridge.** {*; }
-keep class android.support.v4.** { *; }
-dontwarn com.mbridge.**
-keep class **.R$* { public static final int mbridge*; }
-keep class com.alphab.** {*; }
-keep interface com.alphab.** {*; }