I developed a webview app for android and iOS. I noticed that I can\'t scroll over a specific html element in the android app, while it works on iOS.
This is the website
Try to add webview in this sample..
// add Webview here
NestedScrollViewHome.java
public class NestedScrollViewHome extends NestedScrollView {
@SuppressWarnings("unused")
private int slop;
@SuppressWarnings("unused")
private float mInitialMotionX;
@SuppressWarnings("unused")
private float mInitialMotionY;
public NestedScrollViewHome(Context context) {
super(context);
init(context);
}
private boolean enableScrolling = true;
public boolean isEnableScrolling() {
return enableScrolling;
}
public void setEnableScrolling(boolean enableScrolling) {
this.enableScrolling = enableScrolling;
}
private void init(Context context) {
ViewConfiguration config = ViewConfiguration.get(context);
slop = config.getScaledEdgeSlop();
}
public NestedScrollViewHome(Context context, AttributeSet attrs) {
super(context, attrs);
init(context);
}
public NestedScrollViewHome(Context context, AttributeSet attrs,
int defStyleAttr) {
super(context, attrs, defStyleAttr);
init(context);
}
private float xDistance, yDistance, lastX, lastY;
@SuppressWarnings("unused")
@Override
public boolean onInterceptTouchEvent(MotionEvent ev) {
if (isEnableScrolling())
{
final float x = ev.getX();
final float y = ev.getY();
switch (ev.getAction()) {
case MotionEvent.ACTION_DOWN:
xDistance = yDistance = 0f;
lastX = ev.getX();
lastY = ev.getY();
// This is very important line that fixes
computeScroll();
break;
case MotionEvent.ACTION_MOVE:
final float curX = ev.getX();
final float curY = ev.getY();
xDistance += Math.abs(curX - lastX);
yDistance += Math.abs(curY - lastY);
lastX = curX;
lastY = curY;
if (xDistance > yDistance) {
return false;
}
}
return super.onInterceptTouchEvent(ev);
}else
return false;
}
public interface OnScrollChangedListener {
void onScrollChanged(NestedScrollView who, int l, int t, int oldl,
int oldt);
}
private OnScrollChangedListener mOnScrollChangedListener;
public void setOnScrollChangedListener(OnScrollChangedListener listener) {
mOnScrollChangedListener = listener;
}
@Override
public boolean onTouchEvent(MotionEvent ev) {
if (isEnableScrolling()) {
return super.onTouchEvent(ev);
} else {
return false;
}
}
@Override
protected void onScrollChanged(int l, int t, int oldl, int oldt) {
super.onScrollChanged(l, t, oldl, oldt);
if (mOnScrollChangedListener != null) {
mOnScrollChangedListener.onScrollChanged(this, l, t, oldl, oldt);
}
}
}