com.github.mikephil.charting.listener

Interface OnChartGestureListener

public interface OnChartGestureListener

Listener for callbacks when doing gestures on the chart.

Method Summary

Modifier and Type	Method and Description
void	onChartDoubleTapped(android.view.MotionEvent me) Callbacks when the chart is double-tapped.
void	onChartFling(android.view.MotionEvent me1, android.view.MotionEvent me2, float velocityX, float velocityY) Callbacks then a fling gesture is made on the chart.
void	onChartGestureEnd(android.view.MotionEvent me, ChartTouchListener.ChartGesture lastPerformedGesture) Callbacks when a touch-gesture has ended on the chart (ACTION_UP, ACTION_CANCEL)
void	onChartGestureStart(android.view.MotionEvent me, ChartTouchListener.ChartGesture lastPerformedGesture) Callbacks when a touch-gesture has started on the chart (ACTION_DOWN)
void	onChartLongPressed(android.view.MotionEvent me) Callbacks when the chart is longpressed.
void	onChartScale(android.view.MotionEvent me, float scaleX, float scaleY) Callbacks when the chart is scaled / zoomed via pinch zoom / double-tap gesture.
void	onChartSingleTapped(android.view.MotionEvent me) Callbacks when the chart is single-tapped.
void	onChartTranslate(android.view.MotionEvent me, float dX, float dY) Callbacks when the chart is moved / translated via drag gesture.

Method Detail

onChartGestureStart

void onChartGestureStart(android.view.MotionEvent me,
                         ChartTouchListener.ChartGesture lastPerformedGesture)

Callbacks when a touch-gesture has started on the chart (ACTION_DOWN)

Parameters:

me -

lastPerformedGesture -

onChartGestureEnd

void onChartGestureEnd(android.view.MotionEvent me,
                       ChartTouchListener.ChartGesture lastPerformedGesture)

Callbacks when a touch-gesture has ended on the chart (ACTION_UP, ACTION_CANCEL)

Parameters:

me -

lastPerformedGesture -

onChartLongPressed

void onChartLongPressed(android.view.MotionEvent me)

Callbacks when the chart is longpressed.

Parameters:

me -

onChartDoubleTapped

void onChartDoubleTapped(android.view.MotionEvent me)

Callbacks when the chart is double-tapped.

Parameters:

me -

onChartSingleTapped

void onChartSingleTapped(android.view.MotionEvent me)

Callbacks when the chart is single-tapped.

Parameters:

me -

onChartFling

void onChartFling(android.view.MotionEvent me1,
                  android.view.MotionEvent me2,
                  float velocityX,
                  float velocityY)

Callbacks then a fling gesture is made on the chart.

Parameters:

me1 -

me2 -

velocityX -

velocityY -

onChartScale

void onChartScale(android.view.MotionEvent me,
                  float scaleX,
                  float scaleY)

Callbacks when the chart is scaled / zoomed via pinch zoom / double-tap gesture.

Parameters:

me -

scaleX - scalefactor on the x-axis

scaleY - scalefactor on the y-axis

onChartTranslate

void onChartTranslate(android.view.MotionEvent me,
                      float dX,
                      float dY)

Callbacks when the chart is moved / translated via drag gesture.

Parameters:

me -

dX - translation distance on the x-axis

dY - translation distance on the y-axis