Examples with GestureDetectorCompat android.support.v4.view.GestureDetectorCompat used on opensource projects

Example 26 with GestureDetectorCompat

use of android.support.v4.view.GestureDetectorCompat in project Reader by TheKeeperOfPie.

the class ImageViewZoom method initialize.

private void initialize() {
    setClickable(true);
    scroller = new Scroller(getContext());
    scaleGestureDetector = new ScaleGestureDetector(getContext(), new ScaleGestureDetector.SimpleOnScaleGestureListener() {

        @Override
        public boolean onScale(ScaleGestureDetector detector) {
            // Log.d(TAG, "onScale() called with: " + "detector = [" + detector + "]");
            // 
            // Log.d(TAG, "onScale() called with: " + "focusX = [" + detector.getFocusX() + "], focusY = [" + detector.getFocusY() + "], width = [" + getWidth() + "], height = [" + getHeight() + "]");
            // float translationX = detector.getFocusX() * (translationMaxX - translationMinX) / getWidth() + translationMinX;
            // float translationY = detector.getFocusY() * (translationMaxY - translationMinY) / getHeight() + translationMinY;
            // setTranslation(translationX, translationY);
            applyScaleFactor(detector.getFocusX(), detector.getFocusY(), detector.getScaleFactor());
            return true;
        }
    });
    gestureDetector = new GestureDetectorCompat(getContext(), new GestureDetector.SimpleOnGestureListener() {

        private int pointerCount;

        @Override
        public boolean onScroll(MotionEvent e1, MotionEvent e2, float distanceX, float distanceY) {
            // Log.d(TAG, "onScroll() called with: " + "translationX = [" + translationX + "], translationMinX = [" + translationMinX + "], translationMaxX = [" + translationMaxX + "], scaleStart = [" + scaleStart + "], scaleCurrent = [" + scaleCurrent + "], contentWidth = [" + contentWidth + "]");
            // Log.d(TAG, "onScroll() called with relative: " + "x = [" + getRelativeX() + "], y = [" + getRelativeY() + "]");
            scroller.forceFinished(true);
            if (pointerCount == 1) {
                applyTranslation(-distanceX, -distanceY);
            }
            return super.onScroll(e1, e2, distanceX, distanceY);
        }

        @Override
        public boolean onFling(MotionEvent e1, MotionEvent e2, float velocityX, float velocityY) {
            scroller.forceFinished(true);
            if (pointerCount == 1) {
                Log.d(TAG, "onFling() called with: " + "e1 = [" + e1 + "], e2 = [" + e2 + "], velocityX = [" + velocityX + "], velocityY = [" + velocityY + "]");
                scroller.fling((int) translationX, (int) translationY, (int) velocityX, (int) velocityY, (int) translationMinX, (int) translationMaxX, (int) translationMinY, (int) translationMaxY);
                post(runnableScroll);
            }
            return super.onFling(e1, e2, velocityX, velocityY);
        }

        @Override
        public boolean onDown(MotionEvent e) {
            pointerCount = e.getPointerCount();
            return super.onDown(e);
        }
    });
}

Example 27 with GestureDetectorCompat

use of android.support.v4.view.GestureDetectorCompat in project baker-android by bakerframework.

the class MagazineActivity method onCreate.

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    // We would like to keep the screen on while reading the magazine
    getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
    // Remove title bar
    this.requestWindowFeature(Window.FEATURE_NO_TITLE);
    // Remove notification bar
    this.getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN, WindowManager.LayoutParams.FLAG_FULLSCREEN);
    setContentView(R.layout.html_pager);
    Intent intent = getIntent();
    try {
        STANDALONE_MODE = intent.getBooleanExtra(Configuration.MAGAZINE_STANDALONE, false);
        RETURN_TO_SHELF = intent.getBooleanExtra(Configuration.MAGAZINE_RETURN_TO_SHELF, true);
        ENABLE_DOUBLE_TAP = intent.getBooleanExtra(Configuration.MAGAZINE_ENABLE_DOUBLE_TAP, true);
        ENABLE_BACK_NEXT_BUTTONS = intent.getBooleanExtra(Configuration.MAGAZINE_ENABLE_BACK_NEXT_BUTTONS, false);
        ENABLE_TUTORIAL = intent.getBooleanExtra(Configuration.MAGAZINE_ENABLE_TUTORIAL, false);
        Log.d(this.getClass().getName(), "Will run in standalone mode: " + STANDALONE_MODE);
        if (!RETURN_TO_SHELF) {
            setResult(GindActivity.STANDALONE_MAGAZINE_ACTIVITY_FINISH);
        } else {
            setResult(0);
        }
        jsonBook = new BookJson();
        jsonBook.setMagazineName(intent.getStringExtra(Configuration.MAGAZINE_NAME));
        Log.d(this.getClass().toString(), "THE RAW BOOK.JSON IS: " + intent.getStringExtra(Configuration.BOOK_JSON_KEY));
        jsonBook.fromJson(intent.getStringExtra(Configuration.BOOK_JSON_KEY));
        this.setOrientation(jsonBook.getOrientation());
        this.setPagerView(jsonBook);
        this.setEnableDoubleTap(ENABLE_DOUBLE_TAP);
        this.setEnableBackNextButton(ENABLE_BACK_NEXT_BUTTONS);
        detectFirstOrLastPage();
        gestureDetector = new GestureDetectorCompat(this, new MyGestureListener());
    } catch (Exception ex) {
        ex.printStackTrace();
        Toast.makeText(this, "Not valid book.json found!", Toast.LENGTH_LONG).show();
    }
    resources = getResources();
}

Example 28 with GestureDetectorCompat

use of android.support.v4.view.GestureDetectorCompat in project Android-Week-View by alamkanak.

the class WeekView method init.

private void init() {
    // Scrolling initialization.
    mGestureDetector = new GestureDetectorCompat(mContext, mGestureListener);
    mScroller = new OverScroller(mContext, new FastOutLinearInInterpolator());
    mMinimumFlingVelocity = ViewConfiguration.get(mContext).getScaledMinimumFlingVelocity();
    mScaledTouchSlop = ViewConfiguration.get(mContext).getScaledTouchSlop();
    // Measure settings for time column.
    mTimeTextPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mTimeTextPaint.setTextAlign(Paint.Align.RIGHT);
    mTimeTextPaint.setTextSize(mTextSize);
    mTimeTextPaint.setColor(mHeaderColumnTextColor);
    Rect rect = new Rect();
    mTimeTextPaint.getTextBounds("00 PM", 0, "00 PM".length(), rect);
    mTimeTextHeight = rect.height();
    mHeaderMarginBottom = mTimeTextHeight / 2;
    initTextTimeWidth();
    // Measure settings for header row.
    mHeaderTextPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mHeaderTextPaint.setColor(mHeaderColumnTextColor);
    mHeaderTextPaint.setTextAlign(Paint.Align.CENTER);
    mHeaderTextPaint.setTextSize(mTextSize);
    mHeaderTextPaint.getTextBounds("00 PM", 0, "00 PM".length(), rect);
    mHeaderTextHeight = rect.height();
    mHeaderTextPaint.setTypeface(Typeface.DEFAULT_BOLD);
    // Prepare header background paint.
    mHeaderBackgroundPaint = new Paint();
    mHeaderBackgroundPaint.setColor(mHeaderRowBackgroundColor);
    // Prepare day background color paint.
    mDayBackgroundPaint = new Paint();
    mDayBackgroundPaint.setColor(mDayBackgroundColor);
    mFutureBackgroundPaint = new Paint();
    mFutureBackgroundPaint.setColor(mFutureBackgroundColor);
    mPastBackgroundPaint = new Paint();
    mPastBackgroundPaint.setColor(mPastBackgroundColor);
    mFutureWeekendBackgroundPaint = new Paint();
    mFutureWeekendBackgroundPaint.setColor(mFutureWeekendBackgroundColor);
    mPastWeekendBackgroundPaint = new Paint();
    mPastWeekendBackgroundPaint.setColor(mPastWeekendBackgroundColor);
    // Prepare hour separator color paint.
    mHourSeparatorPaint = new Paint();
    mHourSeparatorPaint.setStyle(Paint.Style.STROKE);
    mHourSeparatorPaint.setStrokeWidth(mHourSeparatorHeight);
    mHourSeparatorPaint.setColor(mHourSeparatorColor);
    // Prepare the "now" line color paint
    mNowLinePaint = new Paint();
    mNowLinePaint.setStrokeWidth(mNowLineThickness);
    mNowLinePaint.setColor(mNowLineColor);
    // Prepare today background color paint.
    mTodayBackgroundPaint = new Paint();
    mTodayBackgroundPaint.setColor(mTodayBackgroundColor);
    // Prepare today header text color paint.
    mTodayHeaderTextPaint = new Paint(Paint.ANTI_ALIAS_FLAG);
    mTodayHeaderTextPaint.setTextAlign(Paint.Align.CENTER);
    mTodayHeaderTextPaint.setTextSize(mTextSize);
    mTodayHeaderTextPaint.setTypeface(Typeface.DEFAULT_BOLD);
    mTodayHeaderTextPaint.setColor(mTodayHeaderTextColor);
    // Prepare event background color.
    mEventBackgroundPaint = new Paint();
    mEventBackgroundPaint.setColor(Color.rgb(174, 208, 238));
    // Prepare header column background color.
    mHeaderColumnBackgroundPaint = new Paint();
    mHeaderColumnBackgroundPaint.setColor(mHeaderColumnBackgroundColor);
    // Prepare event text size and color.
    mEventTextPaint = new TextPaint(Paint.ANTI_ALIAS_FLAG | Paint.LINEAR_TEXT_FLAG);
    mEventTextPaint.setStyle(Paint.Style.FILL);
    mEventTextPaint.setColor(mEventTextColor);
    mEventTextPaint.setTextSize(mEventTextSize);
    // Set default event color.
    mDefaultEventColor = Color.parseColor("#9fc6e7");
    mScaleDetector = new ScaleGestureDetector(mContext, new ScaleGestureDetector.OnScaleGestureListener() {

        @Override
        public void onScaleEnd(ScaleGestureDetector detector) {
            mIsZooming = false;
        }

        @Override
        public boolean onScaleBegin(ScaleGestureDetector detector) {
            mIsZooming = true;
            goToNearestOrigin();
            return true;
        }

        @Override
        public boolean onScale(ScaleGestureDetector detector) {
            mNewHourHeight = Math.round(mHourHeight * detector.getScaleFactor());
            invalidate();
            return true;
        }
    });
}

Example 29 with GestureDetectorCompat

use of android.support.v4.view.GestureDetectorCompat in project JJSwipeBack by android-cjj.

the class SwipeBackLayout method init.

/**
 * 初始化
 */
private void init() {
    // 创建ViewDragHelper的实例，第一个参数是ViewGroup，传自己，第二个灵敏度，一般正常是1.0，不正常你自己写，第三个是回调，看下面...
    mViewDragHelper = ViewDragHelper.create(this, 1.0f, new DragHelperCallback());
    // 手势操作，第二参数什么意思看下面
    mGestureDetectorCompat = new GestureDetectorCompat(getContext(), new XScrollDetector());
}

Example 30 with GestureDetectorCompat

use of android.support.v4.view.GestureDetectorCompat in project JZAndroidChart by donglua.

the class Chart method setupInteractions.

// -------- -------- --------
private void setupInteractions(Context context) {
    mScaleGestureDetector = new ScaleGestureDetector(context, mScaleGestureListener);
    mGestureDetector = new GestureDetectorCompat(context, mGestureListener);
    mGestureDetector.setIsLongpressEnabled(false);
    mScroller = new OverScroller(context);
    mZoomer = new Zoomer(context);
}