Merge pull request #2 from manuel-martos/master

Simplify the FooterBarBehavior.
devunwired · May 5, 2016 · b569fd1 · b569fd1
2 parents 40477f0 + 2f26ade
commit b569fd1
Showing 1 changed file with 4 additions and 35 deletions.
diff --git a/app/src/main/java/com/example/android/coordinatedeffort/behaviors/FooterBarBehavior.java b/app/src/main/java/com/example/android/coordinatedeffort/behaviors/FooterBarBehavior.java
@@ -4,6 +4,7 @@
 import android.support.design.widget.AppBarLayout;
 import android.support.design.widget.CoordinatorLayout;
 import android.util.AttributeSet;
+import android.util.Log;
 import android.view.View;
 
 import com.example.android.coordinatedeffort.widget.FooterBarLayout;
@@ -13,12 +14,6 @@
  * and match its offset for a corresponding footer.
  */
 public class FooterBarBehavior extends CoordinatorLayout.Behavior<FooterBarLayout> {
-
-    //Track offset for determining dependency changes
-    private int mDependencyOffset;
-    //Track initial layout position to properly offset child
-    private int mChildInitialOffset;
-
     //Required to instantiate as a default behavior
     public FooterBarBehavior() {
     }
@@ -42,34 +37,8 @@ public boolean layoutDependsOn(CoordinatorLayout parent,
     public boolean onDependentViewChanged(CoordinatorLayout parent,
                                           FooterBarLayout child,
                                           View dependency) {
-        //Check if the view position has actually changed
-        if (mDependencyOffset != dependency.getTop()) {
-            mDependencyOffset = dependency.getTop();
-
-            child.offsetTopAndBottom(
-                    mChildInitialOffset - child.getTop() - mDependencyOffset);
-            //Notify that we changed our attached child
-            return true;
-        }
-
-        return false;
-    }
-
-    //This is called on each layout request.
-    @Override
-    public boolean onLayoutChild(CoordinatorLayout parent,
-                                 FooterBarLayout child,
-                                 int layoutDirection) {
-        //Lay out the view ourselves to hang to the bottom
-        child.layout(parent.getLeft(),
-                parent.getBottom() - child.getMeasuredHeight(),
-                parent.getRight(),
-                parent.getBottom());
-
-        //Gather initial state
-        mChildInitialOffset = child.getTop();
-
-        //Tell the framework not to bother
+        int offset = -dependency.getTop();
+        child.setTranslationY(offset);
         return true;
     }
-}
+}