4.0.0 com.pdftron tools 6.8.7 aar com.pdftron floatingactionbutton 1.0.0 com.pdftron pagecropper 1.0.0 com.android.support support-v4 27.0.2 com.android.support appcompat-v7 27.0.2 com.android.support recyclerview-v7 27.0.2 com.android.support design 27.0.2 com.android.support.constraint constraint-layout 1.1.2 android.arch.lifecycle extensions 1.0.0 commons-io commons-io 2.4 org.apache.commons commons-lang3 3.5 com.jakewharton butterknife 8.8.1 com.google.code.gson gson 2.8.0 com.madgag.spongycastle core 1.51.0.0 com.madgag.spongycastle prov 1.51.0.0 com.madgag.spongycastle pkix 1.51.0.0 com.madgag.spongycastle pg 1.51.0.0