Example usage for android.view ScaleGestureDetector ScaleGestureDetector

List of usage examples for android.view ScaleGestureDetector ScaleGestureDetector

Introduction

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

Prototype

public ScaleGestureDetector(Context context, OnScaleGestureListener listener) 

Source Link

Document

Creates a ScaleGestureDetector with the supplied listener.

Usage

From source file:com.gmail.walles.johan.batterylogger.BatteryPlotFragment.java

private ScaleGestureDetector getTwoFingerGestureDetector(final XYPlot plot) {
    ScaleGestureDetector.SimpleOnScaleGestureListener gestureListener = new ScaleGestureDetector.SimpleOnScaleGestureListener() {
        @Override//  w  w w .  j  a v  a 2s.c  o m
        public boolean onScale(ScaleGestureDetector detector) {
            float factor = detector.getPreviousSpan() / detector.getCurrentSpan();
            float pixelX = detector.getFocusX();
            RectF gridRect = plot.getGraphWidget().getGridRect();
            // getXVal throws IAE if the X value is outside of the rectangle
            if (gridRect.contains(pixelX, gridRect.top)) {
                double pivot = plot.getGraphWidget().getXVal(pixelX);
                zoom(factor, pivot);
            }

            plot.setDomainBoundaries(minX, maxX, BoundaryMode.FIXED);
            redrawPlot(plot);
            return true;
        }
    };

    return new ScaleGestureDetector(getActivity(), gestureListener);
}

From source file:pl.edu.agh.mindmapex.gui.MainActivity.java

@Override
public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);

    mSharedPrefs = PreferenceManager.getDefaultSharedPreferences(this);
    progressDialog = ProgressDialog.show(this, "Drawing", "Please wait...", true, false);
    if (WelcomeScreen.workbook != null) {
        workbook = WelcomeScreen.workbook;
    }/*from ww  w  .  j a v a2  s  .  com*/
    res = getResources();
    if (handler == null) {
        handler = WorkbookHandler.createNewWorkbook();
    }

    if (workbook == null) {
        workbook = handler.getWorkbook();
        styleSheet = workbook.getStyleSheet();
        style1 = styleSheet.createStyle(IStyle.TOPIC);
        styleSheet.addStyle(style1, IStyleSheet.NORMAL_STYLES);
    }
    styleSheet = workbook.getStyleSheet();
    sheet1 = workbook.getPrimarySheet();
    res = getResources();
    if (style == null) {
        Intent intent = getIntent();
        style = intent.getStringExtra(WelcomeScreen.STYLE);
    }
    if (root == null) {

        //            Display display = getWindowManager().getDefaultDisplay();
        setContentView(R.layout.main_content_view);
        lay = (DrawView) findViewById(R.id.main_draw_view);
        lay.post(new Runnable() {
            @Override
            public void run() {
                rootTopic = sheet1.getRootTopic();
                root = new Box();

                //            Point size = new Point(lay.getWidth(), lay.getHeight());
                //            width = size.x / 2;
                //            height = size.y / 2;
                root.setPoint(new pl.edu.agh.mindmapex.common.Point(
                        lay.getWidth() / 2 - getResources().getDimensionPixelSize(R.dimen.init_box_size),
                        lay.getHeight() / 2
                                - getResources().getDimensionPixelSize(R.dimen.init_box_size_height)));
                lay.setZOrderOnTop(true);

                if (style.equals("ReadyMap")) {

                    if (sheet1.getTheme() == null) {
                        root.setPoint(new pl.edu.agh.mindmapex.common.Point(width, height));
                        final HashMap<String, Box> boxes = new HashMap<>();
                        root.topic = rootTopic;
                        if (root.topic.getStyleId() != null) {
                            checkStyle(root);
                        } else {
                            root.setDrawableShape(res.getDrawable(R.drawable.round_rect));
                        }

                        root.topic.setFolded(false);

                        boxes.put(root.topic.getId(), root);
                        for (ITopic t : root.topic.getAllChildren()) {
                            Box b = new Box();
                            b.topic = t;
                            boxes.put(root.topic.getId(), root);
                            b.point = new pl.edu.agh.mindmapex.common.Point();
                            if (b.topic.getStyleId() != null) {
                                checkStyle(b);
                            } else {
                                b.setDrawableShape(res.getDrawable(R.drawable.round_rect));
                            }
                            b.parent = root;
                            root.addChild(b);
                            rootTopic.add(b.topic, 0, ITopic.ATTACHED);
                            Utils.fireAddSubtopic(b, boxes);
                            boxes.put(t.getId(), b);
                        }
                        Utils.findRelationships(boxes);
                    } else {
                        if (sheet1.getTheme().getName().equals("%classic")
                                || sheet1.getTheme().getName().equals("%comic")) {
                            root.setPoint(new pl.edu.agh.mindmapex.common.Point(width, height));
                            root.topic = rootTopic;
                            final HashMap<String, Box> boxes = new HashMap<>();
                            if (root.topic.getStyleId() != null) {
                                checkStyle(root);
                            } else {
                                root.setDrawableShape(res.getDrawable(R.drawable.elipse));
                            }
                            root.topic.setFolded(false);
                            boxes.put(root.topic.getId(), root);

                            for (ITopic t : root.topic.getAllChildren()) {
                                Box b = new Box();
                                b.topic = t;
                                b.point = new pl.edu.agh.mindmapex.common.Point();
                                boxes.put(root.topic.getId(), root);
                                if (b.topic.getStyleId() != null) {
                                    checkStyle(b);
                                } else {
                                    b.setDrawableShape(res.getDrawable(R.drawable.round_rect));
                                }
                                b.parent = root;
                                root.addChild(b);
                                Utils.fireAddSubtopic(b, boxes);
                                rootTopic.add(b.topic, 0, ITopic.ATTACHED);
                                boxes.put(t.getId(), b);
                            }
                            Utils.findRelationships(boxes);
                        } else if (sheet1.getTheme().getName().equals("%simple")) {
                            root.setPoint(new pl.edu.agh.mindmapex.common.Point(width, height));
                            final HashMap<String, Box> boxes = new HashMap<>();
                            root.topic = rootTopic;
                            if (root.topic.getStyleId() != null) {
                                checkStyle(root);
                            } else {
                                root.setDrawableShape(res.getDrawable(R.drawable.elipse));
                            }
                            root.topic.setFolded(false);
                            boxes.put(root.topic.getId(), root);

                            for (ITopic t : root.topic.getAllChildren()) {
                                Box b = new Box();
                                b.topic = t;
                                b.point = new pl.edu.agh.mindmapex.common.Point();
                                boxes.put(root.topic.getId(), root);

                                if (b.topic.getStyleId() != null) {
                                    checkStyle(b);
                                } else {
                                    b.setDrawableShape(res.getDrawable(R.drawable.no_border));
                                }
                                b.parent = root;
                                root.addChild(b);
                                rootTopic.add(b.topic, 0, ITopic.ATTACHED);
                                Utils.fireAddSubtopic(b, boxes);
                                boxes.put(t.getId(), b);
                            }
                            Utils.findRelationships(boxes);
                        } else if (sheet1.getTheme().getName().equals("%bussiness")) {
                            root.setPoint(new pl.edu.agh.mindmapex.common.Point(width, height));
                            final HashMap<String, Box> boxes = new HashMap<>();
                            root.topic = rootTopic;
                            if (root.topic.getStyleId() != null) {
                                checkStyle(root);
                            } else {
                                root.setDrawableShape(res.getDrawable(R.drawable.round_rect));
                            }
                            root.topic.setFolded(false);

                            boxes.put(root.topic.getId(), root);

                            for (ITopic t : root.topic.getAllChildren()) {
                                Box b = new Box();
                                b.topic = t;
                                b.point = new pl.edu.agh.mindmapex.common.Point();
                                boxes.put(root.topic.getId(), root);
                                if (b.topic.getStyleId() != null) {
                                    checkStyle(b);
                                } else {
                                    b.setDrawableShape(res.getDrawable(R.drawable.rect));
                                }

                                b.parent = root;
                                root.addChild(b);
                                rootTopic.add(b.topic, 0, ITopic.ATTACHED);
                                Utils.fireAddSubtopic(b, boxes);
                                boxes.put(t.getId(), b);
                            }
                            Utils.findRelationships(boxes);
                        } else if (sheet1.getTheme().getName().equals("%academese")) {
                            root.setPoint(new pl.edu.agh.mindmapex.common.Point(width, height));
                            final HashMap<String, Box> boxes = new HashMap<>();
                            root.topic = rootTopic;
                            if (root.topic.getStyleId() != null) {
                                checkStyle(root);
                            } else {
                                root.setDrawableShape(res.getDrawable(R.drawable.rect));
                            }
                            root.topic.setFolded(false);
                            Style s = (Style) workbook.getStyleSheet().createStyle(IStyle.MAP);
                            s.setProperty(Styles.FillColor,
                                    Integer.toString(res.getColor(R.color.dark_gray), 16));
                            styleSheet.addStyle(s, IStyleSheet.NORMAL_STYLES);
                            sheet1.setStyleId(s.getId());
                            lay.setBackgroundColor(res.getColor(R.color.dark_gray));

                            boxes.put(root.topic.getId(), root);

                            for (ITopic t : root.topic.getAllChildren()) {
                                Box b = new Box();
                                b.topic = t;
                                b.point = new pl.edu.agh.mindmapex.common.Point();
                                boxes.put(root.topic.getId(), root);

                                if (b.topic.getStyleId() != null) {
                                    checkStyle(b);
                                } else {
                                    b.setDrawableShape(res.getDrawable(R.drawable.elipse));
                                }
                                b.parent = root;
                                root.addChild(b);
                                Utils.fireAddSubtopic(b, boxes);
                                rootTopic.add(b.topic, 0, ITopic.ATTACHED);
                                boxes.put(t.getId(), b);
                            }
                            Utils.findRelationships(boxes);
                        }
                    }
                } else if (style.equals("Default")) {

                    rootTopic.setTitleText("Central Topic");
                    root.topic = rootTopic;
                    root.topic.setFolded(false);
                    root.setDrawableShape(res.getDrawable(R.drawable.round_rect));
                    IStyle style3 = styleSheet.createStyle(IStyle.TOPIC);
                    style3.setProperty(Styles.FillColor, "#CCE5FF");
                    style3.setProperty(Styles.ShapeClass, Styles.TOPIC_SHAPE_ROUNDEDRECT);
                    style3.setProperty(Styles.LineClass, Styles.BRANCH_CONN_STRAIGHT);
                    styleSheet.addStyle(style3, IStyleSheet.NORMAL_STYLES);
                    rootTopic.setStyleId(style3.getId());
                } else if (style.equals("Classic")) {
                    rootTopic.setTitleText("Central Topic");
                    root.topic = rootTopic;
                    root.topic.setFolded(false);
                    root.setDrawableShape(res.getDrawable(R.drawable.elipse));
                    IStyle style2 = styleSheet.createStyle(IStyle.THEME);
                    style2.setName("%classic");
                    style2.setProperty(Styles.FillColor, String.valueOf(res.getColor(R.color.light_yellow)));
                    styleSheet.addStyle(style2, IStyleSheet.NORMAL_STYLES);
                    sheet1.setThemeId(style2.getId());
                    IStyle style3 = styleSheet.createStyle(IStyle.TOPIC);
                    style3.setProperty(Styles.FillColor, "#9ACD32");
                    style3.setProperty(Styles.ShapeClass, Styles.TOPIC_SHAPE_ELLIPSE);
                    style3.setProperty(Styles.LineClass, Styles.BRANCH_CONN_CURVE);
                    styleSheet.addStyle(style3, IStyleSheet.NORMAL_STYLES);
                    style2.setProperty(Style.TOPIC, style3.getId());
                    rootTopic.setStyleId(style3.getId());
                } else if (style.equals("Simple")) {
                    rootTopic.setTitleText("Central Topic");
                    root.topic = rootTopic;
                    root.topic.setFolded(false);
                    root.setDrawableShape(res.getDrawable(R.drawable.elipse));
                    IStyle style2 = styleSheet.createStyle(IStyle.THEME);
                    style2.setName("%simple");
                    style2.setProperty(Styles.FillColor, String.valueOf(res.getColor(R.color.white)));
                    styleSheet.addStyle(style2, IStyleSheet.NORMAL_STYLES);
                    sheet1.setThemeId(style2.getId());
                    IStyle style3 = styleSheet.createStyle(IStyle.TOPIC);
                    style3.setProperty(Styles.FillColor, "#FFFFFF");
                    style3.setProperty(Styles.ShapeClass, Styles.TOPIC_SHAPE_ELLIPSE);
                    style3.setProperty(Styles.LineClass, Styles.BRANCH_CONN_CURVE);
                    styleSheet.addStyle(style3, IStyleSheet.NORMAL_STYLES);
                    style2.setProperty(Style.TOPIC, style3.getId());
                    rootTopic.setStyleId(style3.getId());
                } else if (style.equals("Business")) {
                    rootTopic.setTitleText("Central Topic");
                    root.topic = rootTopic;
                    root.topic.setFolded(false);
                    root.setDrawableShape(res.getDrawable(R.drawable.round_rect));
                    IStyle style2 = styleSheet.createStyle(IStyle.THEME);
                    style2.setName("%business");
                    style2.setProperty(Styles.FillColor, String.valueOf(res.getColor(R.color.white)));
                    styleSheet.addStyle(style2, IStyleSheet.NORMAL_STYLES);
                    sheet1.setThemeId(style2.getId());
                    IStyle style3 = styleSheet.createStyle(IStyle.TOPIC);
                    style3.setProperty(Styles.FillColor, "#B87333");
                    style3.setProperty(Styles.ShapeClass, Styles.TOPIC_SHAPE_ROUNDEDRECT);
                    style3.setProperty(Styles.LineClass, Styles.BRANCH_CONN_CURVE);
                    styleSheet.addStyle(style3, IStyleSheet.NORMAL_STYLES);
                    style2.setProperty(Style.TOPIC, style3.getId());
                    rootTopic.setStyleId(style3.getId());
                } else if (style.equals("Academese")) {
                    rootTopic.setTitleText("Central Topic");
                    root.topic = rootTopic;
                    root.topic.setFolded(false);
                    root.setDrawableShape(res.getDrawable(R.drawable.rect));
                    IStyle style2 = styleSheet.createStyle(IStyle.THEME);
                    style2.setProperty(Styles.FillColor, "#404040");
                    styleSheet.addStyle(style2, IStyleSheet.NORMAL_STYLES);
                    sheet1.setStyleId(style2.getId());
                    lay.setBackgroundColor(res.getColor(R.color.dark_gray));
                    IStyle style3 = styleSheet.createStyle(IStyle.TOPIC);
                    style3.setProperty(Styles.FillColor, "#404040");
                    style3.setProperty(Styles.ShapeClass, Styles.TOPIC_SHAPE_RECT);
                    style3.setProperty(Styles.LineClass, Styles.BRANCH_CONN_STRAIGHT);
                    style3.setProperty(Styles.LineColor, "#FFFFFF");
                    styleSheet.addStyle(style3, IStyleSheet.NORMAL_STYLES);
                    style2.setProperty(Style.TOPIC, style3.getId());
                    rootTopic.setStyleId(style3.getId());
                }

            }
        });

    } else {
        setContentView(R.layout.main_content_view);
        lay = (DrawView) findViewById(R.id.main_draw_view);
        lay.setZOrderOnTop(true);
    }
    gestureDetector = new GestureDetector(this, gestList);
    Utils.lay = lay;
    if (lay != null) {
        lay.setOnTouchListener(new OnTouchListener() {
            @Override
            public boolean onTouch(View v, MotionEvent event) {

                detector.onTouchEvent(event);

                switch (event.getActionMasked()) {
                case (MotionEvent.ACTION_OUTSIDE):
                    return true;
                case (MotionEvent.ACTION_UP):
                    break;
                case MotionEvent.ACTION_POINTER_UP:

                    if (!detector.isInProgress()) {
                        int count = event.getPointerCount(); // Number of 'fingers' in this time

                        Utils.getCoordsInView(lay, event, 1);
                        boxEdited = Utils.whichBox(lay, event);
                        float[] tab1 = Utils.getCoordsInView(lay, event, 0);
                        float[] tab = Utils.getCoordsInView(lay, event, 1);
                        if (count == 2 && boxEdited != null) {

                            if (tab.length == 2) {
                                if (mTourGuide != null)
                                    mTourGuide.cleanUp();
                                Box box1 = new Box();
                                box1.setPoint(new pl.edu.agh.mindmapex.common.Point(
                                        (int) tab[0] - (box1.getWidth() / 2),
                                        (int) tab[1] - (box1.getHeight() / 2)));
                                AddBox addBox = new AddBox();
                                Properties properties = new Properties();
                                properties.put("box", MainActivity.boxEdited);
                                properties.put("new_box", box1);
                                properties.put("root", root);
                                properties.put("res", res);
                                properties.put("style", style);
                                addBox.execute(properties);
                                MainActivity.addCommendUndo(addBox);
                                editContent(box1, addBox);
                                lay.updateBoxWithText(box1);

                            }
                        }

                        break;
                    }
                default:
                    break;
                }

                boolean response = gestureDetector.onTouchEvent(event);
                lay.requestFocus();
                InputMethodManager in = (InputMethodManager) getSystemService(Context.INPUT_METHOD_SERVICE);
                in.hideSoftInputFromWindow(lay.getApplicationWindowToken(), 0);
                return response;
            }
        });
        lay.setLayerType(View.LAYER_TYPE_SOFTWARE, null);
    }
    Utils.context = this;
    this.getWindow().setSoftInputMode(WindowManager.LayoutParams.SOFT_INPUT_STATE_ALWAYS_HIDDEN);
    ActionBar actionBar = getSupportActionBar();
    actionBar.setDisplayOptions(
            ActionBar.DISPLAY_SHOW_HOME | ActionBar.DISPLAY_SHOW_TITLE | ActionBar.DISPLAY_SHOW_CUSTOM);
    actionBar.show();

    detector = new ScaleGestureDetector(this, new SimpleOnScaleGestureListener() {
        @Override
        public boolean onScaleBegin(ScaleGestureDetector detector) {
            mScaling = true;
            return true;
        }

        @Override
        public boolean onScale(ScaleGestureDetector detector) {
            //                float focusX = detector.getFocusX();
            //                float focusY = detector.getFocusY();
            ////                lay.setPivotX(mid.x);
            ////                lay.setPivotY(mid.y);
            ////                               lay.pivotx = (int) (lastFocusX  + detector.getFocusX())/2;
            ////               lay.pivoty = (int) (lastFocusY+ detector.getFocusY())/2;
            //          //     lay.pivotx = (int) mid.x;
            //          //     lay.pivoty = (int) mid.y;
            //            //    lay.canvas.translate(-focusX,-focusY);
            lay.pivotx = detector.getFocusX();
            lay.pivoty = detector.getFocusY();
            //                lay.transx = (lay.pivotx);
            //                lay.transy = (lay.pivoty);
            //                lay.pivotx = (int) mid.x;
            //                lay.pivoty = (int) mid.y;
            //                lay.setPivotX(lastFocusX);
            //                lay.setPivotY(lastFocusY);
            float SF = detector.getScaleFactor();
            lay.zoomx *= SF;
            lay.zoomy *= SF;
            //    lay.canvas.scale(SF, SF, mid.x, mid.y);
            //                float focusShiftX = focusX - lastFocusX;
            //                float focusShiftY = focusY - lastFocusY;
            //lay.canvas.translate(focusX + focusShiftX, focusY + focusShiftY);
            //  lastFocusX = focusX;
            // lastFocusY = focusY;
            //  lay.transy = detector.getFocusY();
            // lay.zoomx = Math.max(0.1f, Math.min(lay.zoomx, 5.0f));
            // lay.zoomy = Math.max(0.1f, Math.min(lay.zoomy, 5.0f));
            return true;

        }
    });
    progressDialog.dismiss();
    lay.setId(View.generateViewId());
    lay.setSaveEnabled(true);

    if (savedInstanceState != null) {
        lay.transx = savedInstanceState.getFloat(TRANSX_KEY);
        lay.transy = savedInstanceState.getFloat(TRANSY_KEY);
        lay.zoomx = savedInstanceState.getFloat(ZOOMX_KEY);
        lay.zoomy = savedInstanceState.getFloat(ZOOMY_KEY);
        lay.pivotx = savedInstanceState.getFloat(PIVOTX_KEY);
        lay.pivoty = savedInstanceState.getFloat(PIVOTY_KEY);

    }

}

From source file:com.android.volley.ui.PhotoView.java

/**
 * Initializes the header and any static values
 *///from   w w  w .ja va2  s  . com
private void initialize() {
    Context context = getContext();

    if (!sInitialized) {
        sInitialized = true;

        Resources resources = context.getApplicationContext().getResources();

        sCropSize = resources.getDimensionPixelSize(R.dimen.photo_crop_width);

        sCropDimPaint = new Paint();
        sCropDimPaint.setAntiAlias(true);
        sCropDimPaint.setColor(resources.getColor(R.color.photo_crop_dim_color));
        sCropDimPaint.setStyle(Style.FILL);

        sCropPaint = new Paint();
        sCropPaint.setAntiAlias(true);
        sCropPaint.setColor(resources.getColor(R.color.photo_crop_highlight_color));
        sCropPaint.setStyle(Style.STROKE);
        sCropPaint.setStrokeWidth(resources.getDimension(R.dimen.photo_crop_stroke_width));

        final ViewConfiguration configuration = ViewConfiguration.get(context);
        final int touchSlop = configuration.getScaledTouchSlop();
        sTouchSlopSquare = touchSlop * touchSlop;
    }

    mGestureDetector = new GestureDetectorCompat(context, this, null);
    mScaleGetureDetector = new ScaleGestureDetector(context, this);
    mQuickScaleEnabled = ScaleGestureDetectorCompat.isQuickScaleEnabled(mScaleGetureDetector);
    mScaleRunnable = new ScaleRunnable(this);
    mTranslateRunnable = new TranslateRunnable(this);
    mSnapRunnable = new SnapRunnable(this);
    mRotateRunnable = new RotateRunnable(this);
}

From source file:org.appcelerator.titanium.view.TiUIView.java

protected void registerTouchEvents(final View touchable) {

    touchView = new WeakReference<View>(touchable);

    final ScaleGestureDetector scaleDetector = new ScaleGestureDetector(touchable.getContext(),
            new SimpleOnScaleGestureListener() {
                // protect from divide by zero errors
                long minTimeDelta = 1;
                float minStartSpan = 1.0f;
                float startSpan;

                @Override//from   w w w  .  ja va2  s . c  o  m
                public boolean onScale(ScaleGestureDetector sgd) {
                    if (proxy.hierarchyHasListener(TiC.EVENT_PINCH)) {
                        float timeDelta = sgd.getTimeDelta() == 0 ? minTimeDelta : sgd.getTimeDelta();

                        // Suppress scale events (and allow for possible two-finger tap events)
                        // until we've moved at least a few pixels. Without this check, two-finger 
                        // taps are very hard to register on some older devices.
                        if (!didScale) {
                            if (Math.abs(sgd.getCurrentSpan() - startSpan) > SCALE_THRESHOLD) {
                                didScale = true;
                            }
                        }

                        if (didScale) {
                            KrollDict data = new KrollDict();
                            data.put(TiC.EVENT_PROPERTY_SCALE, sgd.getCurrentSpan() / startSpan);
                            data.put(TiC.EVENT_PROPERTY_VELOCITY,
                                    (sgd.getScaleFactor() - 1.0f) / timeDelta * 1000);
                            data.put(TiC.EVENT_PROPERTY_SOURCE, proxy);

                            return proxy.fireEvent(TiC.EVENT_PINCH, data);
                        }
                    }
                    return false;
                }

                @Override
                public boolean onScaleBegin(ScaleGestureDetector sgd) {
                    startSpan = sgd.getCurrentSpan() == 0 ? minStartSpan : sgd.getCurrentSpan();
                    return true;
                }
            });

    final GestureDetector detector = new GestureDetector(touchable.getContext(), new SimpleOnGestureListener() {
        @Override
        public boolean onDoubleTap(MotionEvent e) {
            if (proxy.hierarchyHasListener(TiC.EVENT_DOUBLE_TAP)
                    || proxy.hierarchyHasListener(TiC.EVENT_DOUBLE_CLICK)) {
                boolean handledTap = proxy.fireEvent(TiC.EVENT_DOUBLE_TAP, dictFromEvent(e));
                boolean handledClick = proxy.fireEvent(TiC.EVENT_DOUBLE_CLICK, dictFromEvent(e));
                return handledTap || handledClick;
            }
            return false;
        }

        @Override
        public boolean onSingleTapConfirmed(MotionEvent e) {
            Log.d(TAG, "TAP, TAP, TAP on " + proxy, Log.DEBUG_MODE);
            if (proxy.hierarchyHasListener(TiC.EVENT_SINGLE_TAP)) {
                return proxy.fireEvent(TiC.EVENT_SINGLE_TAP, dictFromEvent(e));
                // Moved click handling to the onTouch listener, because a single tap is not the
                // same as a click. A single tap is a quick tap only, whereas clicks can be held
                // before lifting.
                // boolean handledClick = proxy.fireEvent(TiC.EVENT_CLICK, dictFromEvent(event));
                // Note: this return value is irrelevant in our case. We "want" to use it
                // in onTouch below, when we call detector.onTouchEvent(event); But, in fact,
                // onSingleTapConfirmed is *not* called in the course of onTouchEvent. It's
                // called via Handler in GestureDetector. <-- See its Java source.
                // return handledTap;// || handledClick;
            }
            return false;
        }

        @Override
        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
            Log.d(TAG, "SWIPE on " + proxy, Log.DEBUG_MODE);
            if (proxy.hierarchyHasListener(TiC.EVENT_SWIPE)) {
                KrollDict data = dictFromEvent(e2);
                if (Math.abs(velocityX) > Math.abs(velocityY)) {
                    data.put(TiC.EVENT_PROPERTY_DIRECTION, velocityX > 0 ? "right" : "left");
                } else {
                    data.put(TiC.EVENT_PROPERTY_DIRECTION, velocityY > 0 ? "down" : "up");
                }
                return proxy.fireEvent(TiC.EVENT_SWIPE, data);
            }
            return false;
        }

        @Override
        public void onLongPress(MotionEvent e) {
            Log.d(TAG, "LONGPRESS on " + proxy, Log.DEBUG_MODE);

            if (proxy.hierarchyHasListener(TiC.EVENT_LONGPRESS)) {
                proxy.fireEvent(TiC.EVENT_LONGPRESS, dictFromEvent(e));
            }
        }
    });

    touchable.setOnTouchListener(new OnTouchListener() {
        int pointersDown = 0;

        public boolean onTouch(View view, MotionEvent event) {
            if (event.getAction() == MotionEvent.ACTION_UP) {
                lastUpEvent.put(TiC.EVENT_PROPERTY_X, (double) event.getX());
                lastUpEvent.put(TiC.EVENT_PROPERTY_Y, (double) event.getY());
            }

            scaleDetector.onTouchEvent(event);
            if (scaleDetector.isInProgress()) {
                pointersDown = 0;
                return true;
            }

            boolean handled = detector.onTouchEvent(event);
            if (handled) {
                pointersDown = 0;
                return true;
            }

            if (event.getActionMasked() == MotionEvent.ACTION_POINTER_UP) {
                if (didScale) {
                    didScale = false;
                    pointersDown = 0;
                } else {
                    pointersDown++;
                }
            } else if (event.getAction() == MotionEvent.ACTION_UP) {
                if (pointersDown == 1) {
                    proxy.fireEvent(TiC.EVENT_TWOFINGERTAP, dictFromEvent(event));
                    pointersDown = 0;
                    return true;
                }
                pointersDown = 0;
            }

            String motionEvent = motionEvents.get(event.getAction());
            if (motionEvent != null) {
                if (proxy.hierarchyHasListener(motionEvent)) {
                    proxy.fireEvent(motionEvent, dictFromEvent(event));
                }
            }

            // Inside View.java, dispatchTouchEvent() does not call onTouchEvent() if this listener returns true. As
            // a result, click and other motion events do not occur on the native Android side. To prevent this, we
            // always return false and let Android generate click and other motion events.
            return false;
        }
    });

}

From source file:cl.monsoon.s1next.widget.PhotoView.java

/**
 * Initializes the header and any static values
 *///from  w  ww. java  2  s .  c  o m
private void initialize() {
    Context context = getContext();

    if (!sInitialized) {
        sInitialized = true;

        Resources resources = context.getResources();

        sCropSize = resources.getDimensionPixelSize(R.dimen.photo_view_crop_width);

        sCropDimPaint = new Paint();
        sCropDimPaint.setAntiAlias(true);
        sCropDimPaint.setColor(ContextCompat.getColor(context, R.color.photo_view_crop_dim_color));
        sCropDimPaint.setStyle(Style.FILL);

        sCropPaint = new Paint();
        sCropPaint.setAntiAlias(true);
        sCropPaint.setColor(ContextCompat.getColor(context, R.color.photo_view_crop_dim_color));
        sCropPaint.setStyle(Style.STROKE);
        sCropPaint.setStrokeWidth(resources.getDimension(R.dimen.photo_view_crop_stroke_width));

        final ViewConfiguration configuration = ViewConfiguration.get(context);
        final int touchSlop = configuration.getScaledTouchSlop();
        sTouchSlopSquare = touchSlop * touchSlop;
    }

    mGestureDetector = new GestureDetectorCompat(context, this, null);
    scaleGestureDetector = new ScaleGestureDetector(context, this);
    mQuickScaleEnabled = ScaleGestureDetectorCompat.isQuickScaleEnabled(scaleGestureDetector);
    mScaleRunnable = new ScaleRunnable(this);
    mTranslateRunnable = new TranslateRunnable(this);
    mSnapRunnable = new SnapRunnable(this);
    mRotateRunnable = new RotateRunnable(this);
}

From source file:martin.app.bitunion.widget.PhotoView.java

/**
 * Initializes the header and any static values
 *//*from w  w w .  jav  a 2 s  .  co  m*/
private void initialize() {
    Context context = getContext();

    if (!sInitialized) {
        sInitialized = true;

        Resources resources = context.getApplicationContext().getResources();

        //            sCropSize = TypedValue.complexToDimensionPixelSize(120, resources.getDisplayMetrics());

        sCropDimPaint = new Paint();
        sCropDimPaint.setAntiAlias(true);
        //            sCropDimPaint.setColor(0xcc000000);
        sCropDimPaint.setStyle(Paint.Style.FILL);

        sCropPaint = new Paint();
        sCropPaint.setAntiAlias(true);
        //            sCropPaint.setColor(Color.WHITE);
        sCropPaint.setStyle(Paint.Style.STROKE);
        //            sCropPaint.setStrokeWidth(TypedValue.complexToDimensionPixelSize(1, resources.getDisplayMetrics()));

        final ViewConfiguration configuration = ViewConfiguration.get(context);
        final int touchSlop = configuration.getScaledTouchSlop();
        sTouchSlopSquare = touchSlop * touchSlop;
    }

    mGestureDetector = new GestureDetectorCompat(context, this, null);
    mScaleGetureDetector = new ScaleGestureDetector(context, this);
    mQuickScaleEnabled = ScaleGestureDetectorCompat.isQuickScaleEnabled(mScaleGetureDetector);
    mScaleRunnable = new ScaleRunnable(this);
    mTranslateRunnable = new TranslateRunnable(this);
    mSnapRunnable = new SnapRunnable(this);
    mRotateRunnable = new RotateRunnable(this);
}

From source file:org.de.jmg.learn._MainActivity.java

private void SetTouchListener(ImageView iv) {
    if (iv != null && Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
        mScaleDetector = new ScaleGestureDetector(context, new ScaleListener());
        iv.setOnTouchListener(new OnTouchListener() {
            @TargetApi(Build.VERSION_CODES.FROYO)
            @Override/*from   w w w.  j a  v  a2s .  co  m*/
            public boolean onTouch(View v, MotionEvent event) {
                return mScaleDetector.onTouchEvent(event);
            }
        });
    }
}