MotionScene

public MotionScene(MotionLayout layout)

Create a motion scene.

public void addOnClickListeners(MotionLayout motionLayout, int currentState)

Add all on click listeners for the current state

public void addTransition(MotionScene.Transition transition)

Add a transition to the motion scene. If a transition with the same id already exists in the scene, the new transition will replace the existing one.

public boolean applyViewTransition(
    int viewTransitionId,
    MotionController motionController
)

Apply a view transition to the MotionController

public MotionScene.Transition bestTransitionFor(
    int currentState,
    float dx,
    float dy,
    MotionEvent lastTouchDown
)

Find the best transition for the motion

public void disableAutoTransition(boolean disable)

this allow disabling autoTransitions to prevent design surface from being in undefined states

public void enableViewTransition(int id, boolean enable)

Enable this viewTransition

public int gatPathMotionArc()

The transition arc path mode

public ConstraintSet getConstraintSet(Context context, String id)

Get the constraintSet given the id

public int[] getConstraintSetIds()

Get the list of all Constraint Sets Know to the system

public ArrayList<MotionScene.Transition> getDefinedTransitions()

Get list of Transitions know to the system

public int getDuration()

Get Duration of the current transition.

public Interpolator getInterpolator()

Get the interpolator define for the current Transition

public void getKeyFrames(MotionController motionController)

provides the key frames &CycleFrames to the motion view to

public int[] getMatchingStateLabels(String[] types)

Get the id's of all constraintSets with the matching types

public float getPathPercent(View view, int position)

Get the path percent (Non functional currently)

public float getStaggered()

Get the staggered value of the current transition. Will default to 0 staggered if there is no current transition.

public MotionScene.Transition getTransitionById(int id)

Find the transition based on the id

public List<MotionScene.Transition> getTransitionsWithState(int stateId)

Get all transitions that include this state

public boolean isViewTransitionEnabled(int id)

Is this view transition enabled

public int lookUpConstraintId(String id)

Used at design time

public String lookUpConstraintName(int id)

used at design time

public void removeTransition(MotionScene.Transition transition)

Remove the transition with the matching id from the motion scene. If no matching transition is found, it does nothing.

public void setConstraintSet(int id, ConstraintSet set)

Maps the Constraint set to the id.

public void setDuration(int duration)

Sets the duration of the current transition or the default if there is no current transition

public void setKeyframe(View view, int position, String name, Object value)

Set a keyFrame on the current Transition

public void setRtl(boolean rtl)

Set Right to left

public void setTransition(MotionScene.Transition transition)

Set the transition to be the current transition of the motion scene.

public static String stripID(String id)

Utility to strip the @id/ from an id

public void viewTransition(int id, View[] view)

Apply the viewTransition on the list of views