Example usage for android.view MotionEvent getAction

Introduction

In this page you can find the example usage for android.view MotionEvent getAction.

Prototype

public final int getAction()

Source Link

Document

Return the kind of action being performed.

Usage

From source file:Main.java

public static int getActionMasked(MotionEvent paramMotionEvent) {
    return 0xFF & paramMotionEvent.getAction();
}

From source file:Main.java

public static void handleTouches(ImageView button) {
    button.setOnTouchListener(new View.OnTouchListener() {

        public boolean onTouch(View v, MotionEvent m) {
            if (m.getAction() == MotionEvent.ACTION_DOWN) {
                darkenImage((ImageView) v);
            } else if (m.getAction() == MotionEvent.ACTION_UP) {
                ((ImageView) v).setColorFilter(null);
            }//from  w ww  .  j a  v  a2  s .  co  m
            return false;
        }
    });
}

From source file:Main.java

public static String eventToString(MotionEvent event) {
    switch (event.getAction()) {
    case MotionEvent.ACTION_DOWN:
        return "DOWN";
    case MotionEvent.ACTION_MOVE:
        return "MOVE";
    case MotionEvent.ACTION_UP:
        return "UP";
    case MotionEvent.ACTION_CANCEL:
        return "CANCEL";
    case MotionEvent.ACTION_OUTSIDE:
        return "OUTSIDE";
    case MotionEvent.ACTION_POINTER_DOWN:
        return "POINTER DOWN";
    case MotionEvent.ACTION_POINTER_UP:
        return "POINTER UP";
    }// w ww. ja  va2 s  .co  m
    return "UNKNOWN";
}

From source file:Main.java

public static void setViewTouchHightlighted(final View view) {
    if (view == null) {
        return;//from  w  ww .j  a v  a  2s.c om
    }

    view.setOnTouchListener(new View.OnTouchListener() {

        @Override
        public boolean onTouch(View v, MotionEvent event) {
            if (event.getAction() == MotionEvent.ACTION_DOWN) {
                view.setBackgroundColor(Color.rgb(1, 175, 244));
            } else if (event.getAction() == MotionEvent.ACTION_UP) {
                view.setBackgroundColor(Color.rgb(255, 255, 255));
            }
            return false;
        }
    });
}

From source file:Main.java

/**
 * Returns {@true} if the provided event is a touch exploration (e.g. hover)
 * event. This is used to determine whether the event should be processed by
 * the touch exploration code within the keyboard.
 *
 * @param event The event to check./*from  ww w. j a va2 s.  c om*/
 * @return {@true} is the event is a touch exploration event
 */
public static boolean isTouchExplorationEvent(final MotionEvent event) {
    final int action = event.getAction();
    return action == MotionEvent.ACTION_HOVER_ENTER || action == MotionEvent.ACTION_HOVER_EXIT
            || action == MotionEvent.ACTION_HOVER_MOVE;
}

From source file:Main.java

public static void addTouchFeedback(final ImageView view) {
    view.setOnTouchListener(new View.OnTouchListener() {
        private Rect rect;

        @Override/*ww  w .  j a va 2  s.c om*/
        public boolean onTouch(View v, MotionEvent event) {
            if (event.getAction() == MotionEvent.ACTION_DOWN) {
                view.setColorFilter(Color.argb(50, 0, 0, 0));
                rect = new Rect(v.getLeft(), v.getTop(), v.getRight(), v.getBottom());
            }
            if (event.getAction() == MotionEvent.ACTION_UP) {
                view.setColorFilter(Color.argb(0, 0, 0, 0));
            }
            if (event.getAction() == MotionEvent.ACTION_MOVE) {
                if (!rect.contains(v.getLeft() + (int) event.getX(), v.getTop() + (int) event.getY())) {
                    view.setColorFilter(Color.argb(0, 0, 0, 0));
                }
            }
            return false;
        }
    });
}

From source file:Main.java

public static void setListViewHeightBasedOnChildren(ListView listView) {
    ListAdapter listAdapter = listView.getAdapter();
    if (listAdapter == null)
        return;// ww w. j  av a  2 s.  com

    int desiredWidth = View.MeasureSpec.makeMeasureSpec(listView.getWidth(), View.MeasureSpec.UNSPECIFIED);
    int totalHeight = 0;
    View view = null;
    for (int i = 0; i < listAdapter.getCount(); i++) {
        view = listAdapter.getView(i, view, listView);
        if (i == 0)
            view.setLayoutParams(new ViewGroup.LayoutParams(desiredWidth, ViewGroup.LayoutParams.WRAP_CONTENT));

        view.measure(desiredWidth, View.MeasureSpec.UNSPECIFIED);
        totalHeight += view.getMeasuredHeight();
    }
    ViewGroup.LayoutParams params = listView.getLayoutParams();
    params.height = totalHeight + (listView.getDividerHeight() * (listAdapter.getCount() - 1));
    listView.setLayoutParams(params);
    listView.requestLayout();

    listView.setOnTouchListener(new View.OnTouchListener() {
        // Setting on Touch Listener for handling the touch inside ScrollView
        @Override
        public boolean onTouch(View v, MotionEvent event) {
            if (event.getAction() == MotionEvent.ACTION_MOVE) {
                return true; // Indicates that this has been handled by you and will not be forwarded further.
            }
            return false;
        }
    });
}

From source file:Main.java

public static void setOnTouchScaleAnimation(View targetView, final float scaleX, final float scaleY) {
    targetView.setOnTouchListener(new View.OnTouchListener() {
        @Override/*www  .  j a v  a2  s  . c  om*/
        public boolean onTouch(View v, MotionEvent event) {
            final int action = event.getAction();
            switch (action) {
            case MotionEvent.ACTION_DOWN: {
                ScaleAnimation anim = new ScaleAnimation(1.0f, scaleX, 1.0f, scaleY, v.getWidth() / 2,
                        v.getHeight() / 2);
                anim.setDuration(60);
                anim.setFillEnabled(true);
                anim.setFillAfter(true);
                v.startAnimation(anim);
                break;
            }
            case MotionEvent.ACTION_CANCEL:
            case MotionEvent.ACTION_UP: {
                ScaleAnimation anim = new ScaleAnimation(scaleX, 1.0f, scaleY, 1.0f, v.getWidth() / 2,
                        v.getHeight() / 2);
                anim.setDuration(100);
                v.startAnimation(anim);
                break;
            }
            }
            return false;
        }
    });
}

From source file:Main.java

public static void makeListViewWorkableInScollView(ListView lv) {
    lv.setOnTouchListener(new ListView.OnTouchListener() {

        @Override//from ww w. j a  v a2  s  .  c o m
        public boolean onTouch(View v, MotionEvent event) {
            int action = event.getAction();
            switch (action) {
            case MotionEvent.ACTION_DOWN:
                // Disallow ScrollView to intercept touch events.
                v.getParent().requestDisallowInterceptTouchEvent(true);
                break;

            case MotionEvent.ACTION_UP:
                // Allow ScrollView to intercept touch events.
                v.getParent().requestDisallowInterceptTouchEvent(false);
                break;
            }

            // Handle ListView touch events.
            v.onTouchEvent(event);
            return true;
        }
    });
}

From source file:Main.java

/**
 * inject a image touch overley/*from  w ww  .java  2  s.  c  om*/
 * @param v
 * @param event
 */
public static boolean imageOverlay(View v, MotionEvent event) {
    ImageView view = (ImageView) v;
    switch (event.getAction()) {
    case MotionEvent.ACTION_DOWN:
        // overlay is black with transparency of 0x77 (119)
        view.getDrawable().setColorFilter(0x77000000, PorterDuff.Mode.SRC_ATOP);
        view.invalidate();
        break;
    case MotionEvent.ACTION_UP:
    case MotionEvent.ACTION_CANCEL: {
        // clear the overlay
        view.getDrawable().clearColorFilter();
        view.invalidate();
        break;
    }
    }
    return false;
}