use the system default theme by default

Author: klinker24

library/src/main/java/xyz/klinker/android/drag_dismiss/DragDismissIntentBuilder.java

@@ -43,7 +43,7 @@ public enum DragElasticity {
         NORMAL, LARGE, XLARGE, XXLARGE
     }
 
-    private Theme theme = Theme.LIGHT;
+    private Theme theme = Theme.SYSTEM_DEFAULT;
     private DragElasticity dragElasticity = DragElasticity.NORMAL;
     private int primaryColor = -1;
     private String toolbarTitle = null;

sample/src/main/java/xyz/klinker/drag_dismiss/SampleActivity.java

@@ -36,7 +36,7 @@ public void onClick(View v) {
                 Intent scrollable = new Intent(SampleActivity.this, DismissableActivityNormalContent.class);
 
                 new DragDismissIntentBuilder(SampleActivity.this)
-                        .setTheme(DragDismissIntentBuilder.Theme.LIGHT)
+                        .setTheme(DragDismissIntentBuilder.Theme.SYSTEM_DEFAULT)
                         .setPrimaryColorResource(R.color.colorPrimary)
                         .setToolbarTitle("Normal Activity Sample")
                         .build(scrollable);