Java Code Examples for android.view.MotionEvent#ACTION_SCROLL

The following examples show how to use android.view.MotionEvent#ACTION_SCROLL . You can vote up the ones you like or vote down the ones you don't like, and go to the original project or source file by following the links above each example. You may check out the related API usage on the sidebar.

Example 1

Source File: CircularImageView.java From FlyWoo with Apache License 2.0

6 votes

@Override
public boolean dispatchTouchEvent(MotionEvent event) {
    // Check for clickable state and do nothing if disabled
    if (!this.isClickable()) {
        this.isSelected = false;
        return super.onTouchEvent(event);
    }

    // Set selected state based on Motion Event
    switch (event.getAction()) {
        case MotionEvent.ACTION_DOWN:
            this.isSelected = true;
            break;
        case MotionEvent.ACTION_UP:
        case MotionEvent.ACTION_SCROLL:
        case MotionEvent.ACTION_OUTSIDE:
        case MotionEvent.ACTION_CANCEL:
            this.isSelected = false;
            break;
    }

    // Redraw image and return super type
    this.invalidate();
    return super.dispatchTouchEvent(event);
}

Example 2

Source File: CircularImageView.java From GithubContributorsLib with Apache License 2.0

6 votes

@Override
public boolean dispatchTouchEvent(MotionEvent event) {
	// Check for clickable state and do nothing if disabled
	if (!this.isClickable()) {
		this.isSelected = false;
		return super.onTouchEvent(event);
	}

	// Set selected state based on Motion Event
	switch (event.getAction()) {
		case MotionEvent.ACTION_DOWN:
			this.isSelected = true;
			break;
		case MotionEvent.ACTION_UP:
		case MotionEvent.ACTION_SCROLL:
		case MotionEvent.ACTION_OUTSIDE:
		case MotionEvent.ACTION_CANCEL:
			this.isSelected = false;
			break;
	}

	// Redraw image and return super type
	this.invalidate();
	return super.dispatchTouchEvent(event);
}

Example 3

Source File: BezelImageView.java From MaterialDrawer-Xamarin with Apache License 2.0

6 votes

@Override
public boolean dispatchTouchEvent(MotionEvent event) {
    // Check for clickable state and do nothing if disabled
    if (!this.isClickable()) {
        this.isSelected = false;
        return super.onTouchEvent(event);
    }

    // Set selected state based on Motion Event
    switch (event.getAction()) {
        case MotionEvent.ACTION_DOWN:
            this.isSelected = true;
            break;
        case MotionEvent.ACTION_UP:
        case MotionEvent.ACTION_SCROLL:
        case MotionEvent.ACTION_OUTSIDE:
        case MotionEvent.ACTION_CANCEL:
            this.isSelected = false;
            break;
    }

    // Redraw image and return super type
    this.invalidate();
    return super.dispatchTouchEvent(event);
}

Example 4

Source File: CircleImageView.java From CollapsingToolbar-With-Webview with Apache License 2.0

6 votes

@Override
public boolean dispatchTouchEvent(MotionEvent event) {
    // Check for clickable state and do nothing if disabled
    if (!this.isClickable()) {
        this.isSelected = false;
        return super.onTouchEvent(event);
    }

    // Set selected state based on Motion Event
    switch (event.getAction()) {
        case MotionEvent.ACTION_DOWN:
            this.isSelected = true;
            break;
        case MotionEvent.ACTION_UP:
        case MotionEvent.ACTION_SCROLL:
        case MotionEvent.ACTION_OUTSIDE:
        case MotionEvent.ACTION_CANCEL:
            this.isSelected = false;
            break;
    }

    // Redraw image and return super type
    this.invalidate();
    return super.dispatchTouchEvent(event);
}

Example 5

Source File: AbsHListView.java From Klyph with MIT License

6 votes

@TargetApi(12)
@Override
public boolean onGenericMotionEvent( MotionEvent event ) {
	if ( ( event.getSource() & InputDevice.SOURCE_CLASS_POINTER ) != 0 ) {
		switch ( event.getAction() ) {
			case MotionEvent.ACTION_SCROLL: {
				if ( mTouchMode == TOUCH_MODE_REST ) {
					final float hscroll = event.getAxisValue( MotionEvent.AXIS_HSCROLL );
					if ( hscroll != 0 ) {
						final int delta = (int) ( hscroll * getHorizontalScrollFactor() );
						if ( !trackMotionScroll( delta, delta ) ) {
							return true;
						}
					}
				}
			}
		}
	}
	return super.onGenericMotionEvent( event );
}

Example 6

Source File: CircularImageView.java From buddycloud-android with Apache License 2.0

6 votes

@Override
public boolean dispatchTouchEvent(MotionEvent event) {
	// Check for clickable state and do nothing if disabled
	if (!this.isClickable()) {
		this.isSelected = false;
		return super.onTouchEvent(event);
	}

	// Set selected state based on Motion Event
	switch (event.getAction()) {
	case MotionEvent.ACTION_DOWN:
		this.isSelected = true;
		break;
	case MotionEvent.ACTION_UP:
	case MotionEvent.ACTION_SCROLL:
	case MotionEvent.ACTION_OUTSIDE:
	case MotionEvent.ACTION_CANCEL:
		this.isSelected = false;
		break;
	}

	// Redraw image and return super type
	this.invalidate();
	return super.dispatchTouchEvent(event);
}

Example 7

Source File: ServoPanZoomController.java From FirefoxReality with Mozilla Public License 2.0

6 votes

@Override
public boolean onMotionEvent(MotionEvent event) {
    final int action = event.getActionMasked();
    if (action == MotionEvent.ACTION_SCROLL) {
        if (event.getDownTime() >= mLastDownTime) {
            mLastDownTime = event.getDownTime();
        } else if ((InputDevice.getDevice(event.getDeviceId()).getSources() &
                InputDevice.SOURCE_TOUCHPAD) == InputDevice.SOURCE_TOUCHPAD) {
            return false;
        }
        return handleScrollEvent(event);
    } else if ((action == MotionEvent.ACTION_HOVER_MOVE) ||
        (action == MotionEvent.ACTION_HOVER_ENTER) ||
        (action == MotionEvent.ACTION_HOVER_EXIT)) {
      return onMouseEvent(event);
    } else {
        return false;
    }
}

Example 8

Source File: CircularImageView.java From UltimateAndroid with Apache License 2.0

6 votes

@Override
public boolean dispatchTouchEvent(MotionEvent event) {
	// Check for clickable state and do nothing if disabled
	if(!this.isClickable()) {
		this.isSelected = false;
		return super.onTouchEvent(event);
	}

	// Set selected state based on Motion Event
	switch(event.getAction()) {
		case MotionEvent.ACTION_DOWN:
			this.isSelected = true;
			break;
		case MotionEvent.ACTION_UP:
		case MotionEvent.ACTION_SCROLL:
		case MotionEvent.ACTION_OUTSIDE:
		case MotionEvent.ACTION_CANCEL:
			this.isSelected = false;
			break;
	}

	// Redraw image and return super type
	this.invalidate();
	return super.dispatchTouchEvent(event);
}

Example 9

Source File: ZrcAbsListView.java From ZrcListView with MIT License

6 votes

@TargetApi(Build.VERSION_CODES.HONEYCOMB_MR1)
@Override
public boolean onGenericMotionEvent(MotionEvent event) {
	if (APIUtil.isSupport(12)) {
		if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
			switch (event.getAction()) {
			case MotionEvent.ACTION_SCROLL: {
				if (mTouchMode == TOUCH_MODE_REST) {
					final float vscroll = event
							.getAxisValue(MotionEvent.AXIS_VSCROLL);
					if (vscroll != 0) {
						final int delta = (int) (vscroll * getVerticalScrollFactor());
						if (!trackMotionScroll(delta, delta)) {
							return true;
						}
					}
				}
			}
			}
		}
	}
	return super.onGenericMotionEvent(event);
}

Example 10

Source File: CircularImageView.java From UltimateAndroid with Apache License 2.0

6 votes

@Override
public boolean dispatchTouchEvent(MotionEvent event) {
	// Check for clickable state and do nothing if disabled
	if(!this.isClickable()) {
		this.isSelected = false;
		return super.onTouchEvent(event);
	}

	// Set selected state based on Motion Event
	switch(event.getAction()) {
		case MotionEvent.ACTION_DOWN:
			this.isSelected = true;
			break;
		case MotionEvent.ACTION_UP:
		case MotionEvent.ACTION_SCROLL:
		case MotionEvent.ACTION_OUTSIDE:
		case MotionEvent.ACTION_CANCEL:
			this.isSelected = false;
			break;
	}

	// Redraw image and return super type
	this.invalidate();
	return super.dispatchTouchEvent(event);
}

Example 11

Source File: StackView.java From android_9.0.0_r45 with Apache License 2.0

6 votes

@Override
public boolean onGenericMotionEvent(MotionEvent event) {
    if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
        switch (event.getAction()) {
            case MotionEvent.ACTION_SCROLL: {
                final float vscroll = event.getAxisValue(MotionEvent.AXIS_VSCROLL);
                if (vscroll < 0) {
                    pacedScroll(false);
                    return true;
                } else if (vscroll > 0) {
                    pacedScroll(true);
                    return true;
                }
            }
        }
    }
    return super.onGenericMotionEvent(event);
}

Example 12

Source File: BaseMovementMethod.java From JotaTextEditor with Apache License 2.0

5 votes

@Override
public boolean onGenericMotionEvent(TextView widget, Spannable text, MotionEvent event) {
    if ((ApiWrapper.getSourceOfEvent(event) & InputDevice.SOURCE_CLASS_POINTER) != 0) {
        switch (event.getAction()) {
            case MotionEvent.ACTION_SCROLL: {
                final float vscroll;
                final float hscroll;
                if ((event.getMetaState() & KeyEvent.META_SHIFT_ON) != 0) {
                    vscroll = 0;
                    hscroll = ApiWrapper.getAxisValue(event,MotionEvent.AXIS_VSCROLL);
                } else {
                    vscroll = -ApiWrapper.getAxisValue(event,MotionEvent.AXIS_VSCROLL);
                    hscroll = ApiWrapper.getAxisValue(event,MotionEvent.AXIS_HSCROLL);
                }

                boolean handled = false;
                if (hscroll < 0) {
                    handled |= scrollLeft(widget, text, (int)Math.ceil(-hscroll));
                } else if (hscroll > 0) {
                    handled |= scrollRight(widget, text, (int)Math.ceil(hscroll));
                }
                if (vscroll < 0) {
                    handled |= scrollUp(widget, text, (int)Math.ceil(-vscroll));
                    if ( handled ){
                    	widget.moveCursorToVisibleOffset();
                    }
                } else if (vscroll > 0) {
                    handled |= scrollDown(widget, text, (int)Math.ceil(vscroll));
                    if ( handled ){
                    	widget.moveCursorToVisibleOffset();
                    }
                }
                return handled;
            }
        }
    }
    return false;
}

Example 13

Source File: PagedView.java From Trebuchet with GNU General Public License v3.0

5 votes

@Override
public boolean onGenericMotionEvent(MotionEvent event) {
    if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
        switch (event.getAction()) {
            case MotionEvent.ACTION_SCROLL: {
                // Handle mouse (or ext. device) by shifting the page depending on the scroll
                final float vscroll;
                final float hscroll;
                if ((event.getMetaState() & KeyEvent.META_SHIFT_ON) != 0) {
                    vscroll = 0;
                    hscroll = event.getAxisValue(MotionEvent.AXIS_VSCROLL);
                } else {
                    vscroll = -event.getAxisValue(MotionEvent.AXIS_VSCROLL);
                    hscroll = event.getAxisValue(MotionEvent.AXIS_HSCROLL);
                }
                if (hscroll != 0 || vscroll != 0) {
                    boolean isForwardScroll = mIsRtl ? (hscroll < 0 || vscroll < 0)
                                                     : (hscroll > 0 || vscroll > 0);
                    if (isForwardScroll) {
                        scrollRight();
                    } else {
                        scrollLeft();
                    }
                    return true;
                }
            }
        }
    }
    return super.onGenericMotionEvent(event);
}

Example 14

Source File: PagedView.java From LaunchEnr with GNU General Public License v3.0

5 votes

@Override
public boolean onGenericMotionEvent(MotionEvent event) {
    if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
        switch (event.getAction()) {
            case MotionEvent.ACTION_SCROLL: {
                // Handle mouse (or ext. device) by shifting the page depending on the scroll
                final float vscroll;
                final float hscroll;
                if ((event.getMetaState() & KeyEvent.META_SHIFT_ON) != 0) {
                    vscroll = 0;
                    hscroll = event.getAxisValue(MotionEvent.AXIS_VSCROLL);
                } else {
                    vscroll = -event.getAxisValue(MotionEvent.AXIS_VSCROLL);
                    hscroll = event.getAxisValue(MotionEvent.AXIS_HSCROLL);
                }
                if (hscroll != 0 || vscroll != 0) {
                    boolean isForwardScroll = mIsRtl ? (hscroll < 0 || vscroll < 0)
                                                     : (hscroll > 0 || vscroll > 0);
                    if (isForwardScroll) {
                        scrollRight();
                    } else {
                        scrollLeft();
                    }
                    return true;
                }
            }
        }
    }
    return super.onGenericMotionEvent(event);
}

Example 15

Source File: ScrollView.java From android_9.0.0_r45 with Apache License 2.0

5 votes

@Override
public boolean onGenericMotionEvent(MotionEvent event) {
    switch (event.getAction()) {
        case MotionEvent.ACTION_SCROLL:
            final float axisValue;
            if (event.isFromSource(InputDevice.SOURCE_CLASS_POINTER)) {
                axisValue = event.getAxisValue(MotionEvent.AXIS_VSCROLL);
            } else if (event.isFromSource(InputDevice.SOURCE_ROTARY_ENCODER)) {
                axisValue = event.getAxisValue(MotionEvent.AXIS_SCROLL);
            } else {
                axisValue = 0;
            }

            final int delta = Math.round(axisValue * mVerticalScrollFactor);
            if (delta != 0) {
                final int range = getScrollRange();
                int oldScrollY = mScrollY;
                int newScrollY = oldScrollY - delta;
                if (newScrollY < 0) {
                    newScrollY = 0;
                } else if (newScrollY > range) {
                    newScrollY = range;
                }
                if (newScrollY != oldScrollY) {
                    super.scrollTo(mScrollX, newScrollY);
                    return true;
                }
            }
            break;
    }

    return super.onGenericMotionEvent(event);
}

Example 16

Source File: PagedView.java From LB-Launcher with Apache License 2.0

5 votes

@Override
public boolean onGenericMotionEvent(MotionEvent event) {
    if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
        switch (event.getAction()) {
            case MotionEvent.ACTION_SCROLL: {
                // Handle mouse (or ext. device) by shifting the page depending on the scroll
                final float vscroll;
                final float hscroll;
                if ((event.getMetaState() & KeyEvent.META_SHIFT_ON) != 0) {
                    vscroll = 0;
                    hscroll = event.getAxisValue(MotionEvent.AXIS_VSCROLL);
                } else {
                    vscroll = -event.getAxisValue(MotionEvent.AXIS_VSCROLL);
                    hscroll = event.getAxisValue(MotionEvent.AXIS_HSCROLL);
                }
                if (hscroll != 0 || vscroll != 0) {
                    boolean isForwardScroll = isLayoutRtl() ? (hscroll < 0 || vscroll < 0)
                                                     : (hscroll > 0 || vscroll > 0);
                    if (isForwardScroll) {
                        scrollRight();
                    } else {
                        scrollLeft();
                    }
                    return true;
                }
            }
        }
    }
    return super.onGenericMotionEvent(event);
}

Example 17

Source File: BaseMovementMethod.java From android_9.0.0_r45 with Apache License 2.0

5 votes

@Override
public boolean onGenericMotionEvent(TextView widget, Spannable text, MotionEvent event) {
    if ((event.getSource() & InputDevice.SOURCE_CLASS_POINTER) != 0) {
        switch (event.getAction()) {
            case MotionEvent.ACTION_SCROLL: {
                final float vscroll;
                final float hscroll;
                if ((event.getMetaState() & KeyEvent.META_SHIFT_ON) != 0) {
                    vscroll = 0;
                    hscroll = event.getAxisValue(MotionEvent.AXIS_VSCROLL);
                } else {
                    vscroll = -event.getAxisValue(MotionEvent.AXIS_VSCROLL);
                    hscroll = event.getAxisValue(MotionEvent.AXIS_HSCROLL);
                }

                boolean handled = false;
                if (hscroll < 0) {
                    handled |= scrollLeft(widget, text, (int)Math.ceil(-hscroll));
                } else if (hscroll > 0) {
                    handled |= scrollRight(widget, text, (int)Math.ceil(hscroll));
                }
                if (vscroll < 0) {
                    handled |= scrollUp(widget, text, (int)Math.ceil(-vscroll));
                } else if (vscroll > 0) {
                    handled |= scrollDown(widget, text, (int)Math.ceil(vscroll));
                }
                return handled;
            }
        }
    }
    return false;
}

Example 18

Source File: MouseFragment.java From wearmouse with Apache License 2.0

5 votes

public boolean onGenericMotionEvent(MotionEvent ev) {
    if (ev.getAction() == MotionEvent.ACTION_SCROLL && RotaryEncoder.isFromRotaryEncoder(ev)) {
        controller.onRotaryInput(RotaryEncoder.getRotaryAxisValue(ev) * scrollFactor);
        return true;
    }
    return false;
}

Example 19

Source File: AppUtil.java From ankihelper with GNU General Public License v3.0

4 votes

public static String actionToString(int action) {
    switch (action) {
        case MotionEvent.ACTION_DOWN:
            return "ACTION_DOWN";
        case MotionEvent.ACTION_UP:
            return "ACTION_UP";
        case MotionEvent.ACTION_CANCEL:
            return "ACTION_CANCEL";
        case MotionEvent.ACTION_OUTSIDE:
            return "ACTION_OUTSIDE";
        case MotionEvent.ACTION_MOVE:
            return "ACTION_MOVE";
        case MotionEvent.ACTION_HOVER_MOVE:
            return "ACTION_HOVER_MOVE";
        case MotionEvent.ACTION_SCROLL:
            return "ACTION_SCROLL";
        case MotionEvent.ACTION_HOVER_ENTER:
            return "ACTION_HOVER_ENTER";
        case MotionEvent.ACTION_HOVER_EXIT:
            return "ACTION_HOVER_EXIT";
    }

    if (Build.VERSION.SDK_INT >= 23) {
        switch (action) {
            case MotionEvent.ACTION_BUTTON_PRESS:
                return "ACTION_BUTTON_PRESS";
            case MotionEvent.ACTION_BUTTON_RELEASE:
                return "ACTION_BUTTON_RELEASE";
        }
    }

    int index = (action & MotionEvent.ACTION_POINTER_INDEX_MASK) >> MotionEvent.ACTION_POINTER_INDEX_SHIFT;
    switch (action & MotionEvent.ACTION_MASK) {
        case MotionEvent.ACTION_POINTER_DOWN:
            return "ACTION_POINTER_DOWN(" + index + ")";
        case MotionEvent.ACTION_POINTER_UP:
            return "ACTION_POINTER_UP(" + index + ")";
        default:
            return Integer.toString(action);
    }
}

Example 20

Source File: BottomSheetRecyclerView.java From arcgis-runtime-samples-android with Apache License 2.0

3 votes

/**
 * Intercept touch events and determine if {@link RecyclerView} should grab touch event to allow scrolling of RecyclerView
 * within Bottom Sheet
 *
 * @param e event intercepted
 * @return return true to consume the event, false otherwise
 */
@Override public boolean onInterceptTouchEvent(MotionEvent e) {
  if (e.getAction() == MotionEvent.ACTION_SCROLL && canScrollVertically(1)) {
    return true;
  }
  return super.onInterceptTouchEvent(e);
}