Examples with PinchGestureHandler com.swmansion.gesturehandler.PinchGestureHandler used on opensource projects

Example 1 with PinchGestureHandler

use of com.swmansion.gesturehandler.PinchGestureHandler in project react-native-gesture-handler by kmagiera.

the class MainActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);
    wrapper = (GestureHandlerViewWrapper) findViewById(R.id.wrapper);
    scrollView = (ScrollView) findViewById(R.id.scroll);
    button = (Button) findViewById(R.id.button);
    seekBar = (SeekBar) findViewById(R.id.seekbar);
    block = findViewById(R.id.block);
    largeBlock = findViewById(R.id.large_block);
    switchView = (Switch) findViewById(R.id.switchView);
    // Native click events should work as expected assuming the view is wrapped with
    // NativeViewGestureHandler
    button.setOnClickListener(new View.OnClickListener() {

        @Override
        public void onClick(View v) {
            Toast.makeText(MainActivity.this, "I'm touched", Toast.LENGTH_SHORT).show();
        }
    });
    GestureHandlerRegistryImpl registry = wrapper.getRegistry();
    registry.registerHandlerForView(scrollView, new NativeViewGestureHandler());
    registry.registerHandlerForView(button, new NativeViewGestureHandler());
    registry.registerHandlerForView(seekBar, new NativeViewGestureHandler()).setDisallowInterruption(true).setShouldActivateOnStart(true).setShouldCancelWhenOutside(false);
    registry.registerHandlerForView(switchView, new NativeViewGestureHandler()).setShouldActivateOnStart(true).setDisallowInterruption(true).setShouldCancelWhenOutside(false).setHitSlop(20);
    registry.registerHandlerForView(block, new LongPressGestureHandler()).setOnTouchEventListener(new OnTouchEventListener<LongPressGestureHandler>() {

        @Override
        public void onTouchEvent(LongPressGestureHandler handler, MotionEvent event) {
        }

        @Override
        public void onStateChange(LongPressGestureHandler handler, int newState, int oldState) {
            if (newState == GestureHandler.STATE_ACTIVE) {
                Toast.makeText(MainActivity.this, "Long press", Toast.LENGTH_SHORT).show();
            }
        }
    });
    registry.registerHandlerForView(block, new TapGestureHandler()).setNumberOfTaps(2).setOnTouchEventListener(new OnTouchEventListener<TapGestureHandler>() {

        @Override
        public void onTouchEvent(TapGestureHandler handler, MotionEvent event) {
        }

        @Override
        public void onStateChange(TapGestureHandler handler, int newState, int oldState) {
            if (newState == GestureHandler.STATE_ACTIVE) {
                Toast.makeText(MainActivity.this, "I'm d0able tapped", Toast.LENGTH_SHORT).show();
            }
        }
    });
    registry.registerHandlerForView(block, new TapGestureHandler()).setNumberOfTaps(1).setOnTouchEventListener(new OnTouchEventListener<TapGestureHandler>() {

        @Override
        public void onTouchEvent(TapGestureHandler handler, MotionEvent event) {
        }

        @Override
        public void onStateChange(TapGestureHandler handler, int newState, int oldState) {
            if (newState == GestureHandler.STATE_ACTIVE) {
                Toast.makeText(MainActivity.this, "I'm tapped once", Toast.LENGTH_SHORT).show();
            }
        }
    });
    GestureHandlerInteractionController pinchAndRotateInteractionController = new BaseGestureHandlerInteractionController() {

        @Override
        public boolean shouldRecognizeSimultaneously(GestureHandler handler, GestureHandler otherHandler) {
            // Allow pinch and rotate handlers registered for largeBlock to run simultaneously
            return handler.getView().equals(largeBlock) && handler instanceof PinchGestureHandler;
        }
    };
    registry.registerHandlerForView(largeBlock, new RotationGestureHandler()).setInteractionController(pinchAndRotateInteractionController).setOnTouchEventListener(new OnTouchEventListener<RotationGestureHandler>() {

        private double mRotation = 0f;

        @Override
        public void onTouchEvent(RotationGestureHandler handler, MotionEvent event) {
            if (handler.getState() == GestureHandler.STATE_ACTIVE) {
                largeBlock.setRotation((float) Math.toDegrees(mRotation + handler.getRotation()));
            }
        }

        @Override
        public void onStateChange(RotationGestureHandler handler, int newState, int oldState) {
            if (oldState == GestureHandler.STATE_ACTIVE) {
                mRotation += handler.getRotation();
            }
        }
    });
    registry.registerHandlerForView(largeBlock, new PinchGestureHandler()).setOnTouchEventListener(new OnTouchEventListener<PinchGestureHandler>() {

        private double mScale = 1f;

        @Override
        public void onTouchEvent(PinchGestureHandler handler, MotionEvent event) {
            if (handler.getState() == GestureHandler.STATE_ACTIVE) {
                largeBlock.setScaleX((float) (mScale * handler.getScale()));
                largeBlock.setScaleY((float) (mScale * handler.getScale()));
            }
        }

        @Override
        public void onStateChange(PinchGestureHandler handler, int newState, int oldState) {
            if (oldState == GestureHandler.STATE_ACTIVE) {
                mScale *= handler.getScale();
            }
        }
    });
    registry.registerHandlerForView(largeBlock, new PanGestureHandler(this)).setMinDy(2).setMaxPointers(1).setOnTouchEventListener(new OnTouchEventListener<PanGestureHandler>() {

        @Override
        public void onTouchEvent(PanGestureHandler handler, MotionEvent event) {
            if (handler.getState() == GestureHandler.STATE_ACTIVE) {
                largeBlock.setTranslationX(handler.getTranslationX());
                largeBlock.setTranslationY(handler.getTranslationY());
            }
        }

        @Override
        public void onStateChange(PanGestureHandler handler, int newState, int oldState) {
        }
    });
}