SecureSmartCam » ObscuraCam

package org.witness.obscuracam.ui;

import android.content.Context;

import android.support.design.widget.AppBarLayout;

import android.support.design.widget.CoordinatorLayout;

import android.util.AttributeSet;

import android.view.View;

// This behavior fixes the problem that the view is not pinned to the bottom of the coordinator layout

// Fix for this: https://code.google.com/p/android/issues/detail?id=177195

//

public class ScrollViewBehaviorFix extends AppBarLayout.ScrollingViewBehavior {

    private AppBarLayout appBarLayout;

    public ScrollViewBehaviorFix() {

        super();

    }

    public ScrollViewBehaviorFix(Context context, AttributeSet attrs) {

        super(context, attrs);

    }

    @Override

    public boolean onDependentViewChanged(CoordinatorLayout parent, View child, View dependency) {

        if (appBarLayout == null) {

            appBarLayout = (AppBarLayout) dependency;

        }

        final boolean result = super.onDependentViewChanged(parent, child, dependency);

        int height = child.getHeight();

        int newHeight = parent.getHeight() - dependency.getBottom();

        int bottomPadding = height - newHeight;

        //final int bottomPadding = calculateBottomPadding(appBarLayout);

        final boolean paddingChanged = bottomPadding != child.getPaddingBottom();

        if (paddingChanged) {

            child.setPadding(

                    child.getPaddingLeft(),

                    child.getPaddingTop(),

                    child.getPaddingRight(),

                    bottomPadding);

            child.requestLayout();

        }

        return paddingChanged || result;

    }

}