bump
On Jun 13, 8:18 pm, SurtaX <[email protected]> wrote:
> I'm making sort of a book app. I have the text displayed as a textview
> in a scrollview:
>
> XML:
> <ScrollView
> android:id="@+id/chatview"
> android:orientation="vertical"
> android:layout_width="fill_parent"
> android:layout_height="fill_parent">
> <TextView
> android:id="@+id/webview"
> android:layout_width="wrap_content"
> android:layout_height="fill_parent"
> android:layout_weight="1"
> android:textSize = "16sp" />
> </ScrollView>
>
> I then have
>
> Java:
> private GestureDetector gestureScanner;
> public void onCreate(Bundle savedInstanceState) {
> super.onCreate(savedInstanceState);
>
> gestureScanner = new GestureDetector(this);
> }
>
> And implemented the required following to catch a left fling or right
> fling. And
>
> Java:
> �...@override
> public boolean onTouchEvent(MotionEvent me)
> {
> return gestureScanner.onTouchEvent(me);
> }
>
> public boolean onDown(MotionEvent e)
> {
> return true;
> }
>
> public boolean onFling(MotionEvent e1, MotionEvent e2, float
> velocityX, float velocityY)
> {
> if(velocityX >= 1500){
> nextChapter();
> }
> if(velocityX <= -1500){
> previousChapter();
> }
> return true;
> }
>
> public void onLongPress(MotionEvent e)
> {
> }
>
> public boolean onScroll(MotionEvent e1, MotionEvent e2, float
> distanceX, float distanceY)
> {
> return true;
> }
>
> public void onShowPress(MotionEvent e)
> {
> }
>
> public boolean onSingleTapUp(MotionEvent e)
> {
> return true;
> }
>
> This works fine if the text inside the textview is small (ie. there is
> no scroll bar as it all fits within the view). But as soon as the text
> requires scrolling, the gesture is no longer picked up by the
> detector. onFling is never called.
>
> I have read that it is because scrollview handles its own gestueres?
> If so what is the easiest way to maintain the ability to scroll up and
> down the text, and also be able to detect flinging left or right and
> invoking nextChapter() and previousChapter() respectively?
>
> THanks alot for your time.
>
> Cheers,
> SurtaX
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