List of usage examples for android.view.animation AnimationUtils currentAnimationTimeMillis
public static long currentAnimationTimeMillis()
From source file:com.hippo.refreshlayout.SwipeProgressBar.java
private boolean draw(Canvas canvas, boolean first) { Rect bounds = mBounds;//from w w w . j av a 2s . co m final int width = bounds.width(); final int cx = bounds.centerX(); final int cy = bounds.centerY(); final int colors = mColors.length; boolean drawTriggerWhileFinishing = false; boolean drawAgain = false; int restoreCount = canvas.save(); canvas.clipRect(bounds); if (mRunning || (mFinishTime > 0)) { long now = AnimationUtils.currentAnimationTimeMillis(); long elapsed = (now - mStartTime) % mAnimationDuration; long iterations = (now - mStartTime) / ANIMATION_DURATION_MS_PER_COLOR; float rawProgress = (elapsed / (mAnimationDuration / (float) colors)); // If we're not running anymore, that means we're running through // the finish animation. if (!mRunning) { // If the finish animation is done, don't draw anything, and // don't repost. if ((now - mFinishTime) >= FINISH_ANIMATION_DURATION_MS) { mFinishTime = 0; return false; } // Otherwise, use a 0 opacity alpha layer to clear the animation // from the inside out. This layer will prevent the circles from // drawing within its bounds. long finishElapsed = (now - mFinishTime) % FINISH_ANIMATION_DURATION_MS; float finishProgress = (finishElapsed / (FINISH_ANIMATION_DURATION_MS / 100f)); float pct = (finishProgress / 100f); // Radius of the circle is half of the screen. float clearRadius = width / 2 * INTERPOLATOR.getInterpolation(pct); if (SUPPORT_CLIP_RECT_DIFFERENCE) { mClipRect.set(cx - clearRadius, bounds.top, cx + clearRadius, bounds.bottom); canvas.clipRect(mClipRect, Region.Op.DIFFERENCE); } else { if (first) { // First time left drawAgain = true; mClipRect.set(bounds.left, bounds.top, cx - clearRadius, bounds.bottom); } else { // Second time right mClipRect.set(cx + clearRadius, bounds.top, bounds.right, bounds.bottom); } canvas.clipRect(mClipRect); } // Only draw the trigger if there is a space in the center of // this refreshing view that needs to be filled in by the // trigger. If the progress view is just still animating, let it // continue animating. drawTriggerWhileFinishing = true; } // First fill in with the last color that would have finished drawing. if (iterations == 0) { canvas.drawColor(mColors[0]); } else { int index = colors - 1; float left = 0.0f; float right = 1.0f; for (int i = 0; i < colors; ++i) { if ((rawProgress >= left && rawProgress < right) || i == colors - 1) { canvas.drawColor(mColors[index]); break; } index = (index + 1) % colors; left += 1.0f; right += 1.0f; } } // Then draw up to 4 overlapping concentric circles of varying radii, based on how far // along we are in the cycle. // progress 0-50 draw mColor2 // progress 25-75 draw mColor3 // progress 50-100 draw mColor4 // progress 75 (wrap to 25) draw mColor1 if (colors > 1) { if ((rawProgress >= 0.0f && rawProgress <= 1.0f)) { float pct = (rawProgress + 1.0f) / 2; drawCircle(canvas, cx, cy, mColors[0], pct); } float left = 0.0f; float right = 2.0f; for (int i = 1; i < colors; ++i) { if (rawProgress >= left && rawProgress <= right) { float pct = (rawProgress - i + 1.0f) / 2; drawCircle(canvas, cx, cy, mColors[i], pct); } left += 1.0f; right += 1.0f; } if ((rawProgress >= colors - 1.0f && rawProgress <= colors)) { float pct = (rawProgress - colors + 1.0f) / 2; drawCircle(canvas, cx, cy, mColors[0], pct); } } if (mTriggerPercentage > 0 && drawTriggerWhileFinishing) { // There is some portion of trigger to draw. Restore the canvas, // then draw the trigger. Otherwise, the trigger does not appear // until after the bar has finished animating and appears to // just jump in at a larger width than expected. canvas.restoreToCount(restoreCount); restoreCount = canvas.save(); canvas.clipRect(bounds); drawTrigger(canvas, cx, cy); } // Keep running until we finish out the last cycle. ViewCompat.postInvalidateOnAnimation(mParent, bounds.left, bounds.top, bounds.right, bounds.bottom); } else { // Otherwise if we're in the middle of a trigger, draw that. if (mTriggerPercentage > 0 && mTriggerPercentage <= 1.0) { drawTrigger(canvas, cx, cy); } } canvas.restoreToCount(restoreCount); return drawAgain; }
From source file:org.srr.dev.view.refreshlayout.SwipeProgressBar.java
private boolean draw(Canvas canvas, boolean first) { Rect bounds = mBounds;/*w ww . ja v a2s . co m*/ final int width = bounds.width(); final int cx = bounds.centerX(); final int cy = bounds.centerY(); boolean drawTriggerWhileFinishing = false; boolean drawAgain = false; int restoreCount = canvas.save(); canvas.clipRect(bounds); if (mRunning || (mFinishTime > 0)) { long now = AnimationUtils.currentAnimationTimeMillis(); long elapsed = (now - mStartTime) % ANIMATION_DURATION_MS; long iterations = (now - mStartTime) / ANIMATION_DURATION_MS; float rawProgress = (elapsed / (ANIMATION_DURATION_MS / 100f)); // If we're not running anymore, that means we're running through // the finish animation. if (!mRunning) { // If the finish animation is done, don't draw anything, and // don't re-post. if ((now - mFinishTime) >= FINISH_ANIMATION_DURATION_MS) { mFinishTime = 0; return false; } // Otherwise, use a 0 opacity alpha layer to clear the animation // from the inside out. This layer will prevent the circles from // drawing within its bounds. long finishElapsed = (now - mFinishTime) % FINISH_ANIMATION_DURATION_MS; float finishProgress = (finishElapsed / (FINISH_ANIMATION_DURATION_MS / 100f)); float pct = (finishProgress / 100f); // Radius of the circle is half of the screen. float clearRadius = width / 2 * INTERPOLATOR.getInterpolation(pct); if (SUPPORT_CLIP_RECT_DIFFERENCE) { mClipRect.set(cx - clearRadius, bounds.top, cx + clearRadius, bounds.bottom); canvas.clipRect(mClipRect, Region.Op.DIFFERENCE); } else { if (first) { // First time left drawAgain = true; mClipRect.set(bounds.left, bounds.top, cx - clearRadius, bounds.bottom); } else { // Second time right mClipRect.set(cx + clearRadius, bounds.top, bounds.right, bounds.bottom); } canvas.clipRect(mClipRect); } // Only draw the trigger if there is a space in the center of // this refreshing view that needs to be filled in by the // trigger. If the progress view is just still animating, let it // continue animating. drawTriggerWhileFinishing = true; } // First fill in with the last color that would have finished drawing. if (iterations == 0) { canvas.drawColor(mColor1); } else { if (rawProgress >= 0 && rawProgress < 25) { canvas.drawColor(mColor4); } else if (rawProgress >= 25 && rawProgress < 50) { canvas.drawColor(mColor1); } else if (rawProgress >= 50 && rawProgress < 75) { canvas.drawColor(mColor2); } else { canvas.drawColor(mColor3); } } // Then draw up to 4 overlapping concentric circles of varying radii, based on how far // along we are in the cycle. // progress 0-50 draw mColor2 // progress 25-75 draw mColor3 // progress 50-100 draw mColor4 // progress 75 (wrap to 25) draw mColor1 if ((rawProgress >= 0 && rawProgress <= 25)) { float pct = (((rawProgress + 25) * 2) / 100f); drawCircle(canvas, cx, cy, mColor1, pct); } if (rawProgress >= 0 && rawProgress <= 50) { float pct = ((rawProgress * 2) / 100f); drawCircle(canvas, cx, cy, mColor2, pct); } if (rawProgress >= 25 && rawProgress <= 75) { float pct = (((rawProgress - 25) * 2) / 100f); drawCircle(canvas, cx, cy, mColor3, pct); } if (rawProgress >= 50 && rawProgress <= 100) { float pct = (((rawProgress - 50) * 2) / 100f); drawCircle(canvas, cx, cy, mColor4, pct); } if ((rawProgress >= 75 && rawProgress <= 100)) { float pct = (((rawProgress - 75) * 2) / 100f); drawCircle(canvas, cx, cy, mColor1, pct); } if (mTriggerPercentage > 0 && drawTriggerWhileFinishing) { // There is some portion of trigger to draw. Restore the canvas, // then draw the trigger. Otherwise, the trigger does not appear // until after the bar has finished animating and appears to // just jump in at a larger width than expected. canvas.restoreToCount(restoreCount); restoreCount = canvas.save(); canvas.clipRect(bounds); drawTrigger(canvas, cx, cy); } // Keep running until we finish out the last cycle. ViewCompat.postInvalidateOnAnimation(mParent, bounds.left, bounds.top, bounds.right, bounds.bottom); } else { // Otherwise if we're in the middle of a trigger, draw that. if (mTriggerPercentage > 0 && mTriggerPercentage <= 1.0) { drawTrigger(canvas, cx, cy); } } canvas.restoreToCount(restoreCount); return drawAgain; }
From source file:com.swiperefreshlayout.SwipeProgressBar.java
void draw(Canvas canvas) { final int width = mBounds.width(); final int height = mBounds.height(); final int cx = width / 2; // final int cy = height / 2; final int cy = mBounds.bottom - height / 2; boolean drawTriggerWhileFinishing = false; int restoreCount = canvas.save(); canvas.clipRect(mBounds);//ww w .j a va2 s. c o m if (mRunning || (mFinishTime > 0)) { long now = AnimationUtils.currentAnimationTimeMillis(); long elapsed = (now - mStartTime) % ANIMATION_DURATION_MS; long iterations = (now - mStartTime) / ANIMATION_DURATION_MS; float rawProgress = (elapsed / (ANIMATION_DURATION_MS / 100f)); // If we're not running anymore, that means we're running through // the finish animation. if (!mRunning) { // If the finish animation is done, don't draw anything, and // don't repost. if ((now - mFinishTime) >= FINISH_ANIMATION_DURATION_MS) { mFinishTime = 0; return; } // Otherwise, use a 0 opacity alpha layer to clear the animation // from the inside out. This layer will prevent the circles from // drawing within its bounds. long finishElapsed = (now - mFinishTime) % FINISH_ANIMATION_DURATION_MS; float finishProgress = (finishElapsed / (FINISH_ANIMATION_DURATION_MS / 100f)); float pct = (finishProgress / 100f); // Radius of the circle is half of the screen. float clearRadius = width / 2 * INTERPOLATOR.getInterpolation(pct); mClipRect.set(cx - clearRadius, 0, cx + clearRadius, height); canvas.saveLayerAlpha(mClipRect, 0, 0); // Only draw the trigger if there is a space in the center of // this refreshing view that needs to be filled in by the // trigger. If the progress view is just still animating, let it // continue animating. drawTriggerWhileFinishing = true; } // First fill in with the last color that would have finished drawing. if (iterations == 0) { canvas.drawColor(mColor1); } else { if (rawProgress >= 0 && rawProgress < 25) { canvas.drawColor(mColor4); } else if (rawProgress >= 25 && rawProgress < 50) { canvas.drawColor(mColor1); } else if (rawProgress >= 50 && rawProgress < 75) { canvas.drawColor(mColor2); } else { canvas.drawColor(mColor3); } } // Then draw up to 4 overlapping concentric circles of varying radii, based on how far // along we are in the cycle. // progress 0-50 draw mColor2 // progress 25-75 draw mColor3 // progress 50-100 draw mColor4 // progress 75 (wrap to 25) draw mColor1 if ((rawProgress >= 0 && rawProgress <= 25)) { float pct = (((rawProgress + 25) * 2) / 100f); drawCircle(canvas, cx, cy, mColor1, pct); } if (rawProgress >= 0 && rawProgress <= 50) { float pct = ((rawProgress * 2) / 100f); drawCircle(canvas, cx, cy, mColor2, pct); } if (rawProgress >= 25 && rawProgress <= 75) { float pct = (((rawProgress - 25) * 2) / 100f); drawCircle(canvas, cx, cy, mColor3, pct); } if (rawProgress >= 50 && rawProgress <= 100) { float pct = (((rawProgress - 50) * 2) / 100f); drawCircle(canvas, cx, cy, mColor4, pct); } if ((rawProgress >= 75 && rawProgress <= 100)) { float pct = (((rawProgress - 75) * 2) / 100f); drawCircle(canvas, cx, cy, mColor1, pct); } if (mTriggerPercentage > 0 && drawTriggerWhileFinishing) { // There is some portion of trigger to draw. Restore the canvas, // then draw the trigger. Otherwise, the trigger does not appear // until after the bar has finished animating and appears to // just jump in at a larger width than expected. canvas.restoreToCount(restoreCount); restoreCount = canvas.save(); canvas.clipRect(mBounds); drawTrigger(canvas, cx, cy); } // Keep running until we finish out the last cycle. ViewCompat.postInvalidateOnAnimation(mParent); } else { // Otherwise if we're in the middle of a trigger, draw that. if (mTriggerPercentage > 0 && mTriggerPercentage <= 1.0) { drawTrigger(canvas, cx, cy); } } canvas.restoreToCount(restoreCount); }
From source file:com.zzti.fyg.widgets.SwipeProgressBar.java
private void drawBar(Canvas canvas, int height) { mPaint.setAntiAlias(true);/*from w ww. ja va 2 s . c o m*/ Bitmap bitmap = null; if (state == FINISHED) { bitmap = getFinishedBitmap(); } else { bitmap = getBitmap(); } Matrix matrix = new Matrix(); matrix.setTranslate(bitmap.getWidth() >> 1, bitmap.getHeight() >> 1); if (mRunning) { long now = AnimationUtils.currentAnimationTimeMillis(); matrix.postRotate((now - mStartTime) % 360); } else { if (type == ROTATE) { if (state != FINISHED) { matrix.postRotate(height % 360); } } else { if (direction == 0) { if (state == RELEASE_TO_REFRESH) { matrix.postRotate(180); } } else if (direction == 1) { if (state == PULL_TO_REFRESH) { matrix.postRotate(180); } } } } dstbmp = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true); int originalWidth = bitmap.getWidth(); int originalHeight = bitmap.getHeight(); int dstWidth = dstbmp.getWidth(); int dstHeight = dstbmp.getHeight(); int fontHeight = (int) DisplayUtil.getFontHeight(textSize); mPaint.setTextSize(textSize); mPaint.setColor(textColor); if (direction == 0) { //canvas.drawBitmap(dstbmp, (width >> 1) - ((int)mPaint.measureText(latestRefreshTime) >> 1) - drawable_margin_left - ((dstWidth >> 1) - (originalWidth >> 1)), (mBounds.bottom - (originalHeight >> 1)) + ((originalHeight >> 1) - (dstHeight >> 1)) - (fontHeight << 1) , mPaint); canvas.drawBitmap(dstbmp, drawable_margin_left - ((dstWidth >> 1) - (originalWidth >> 1)), (mBounds.bottom - (originalHeight >> 1)) + ((originalHeight >> 1) - (dstHeight >> 1)) - (fontHeight << 1), mPaint); mPaint.setFakeBoldText(true); canvas.drawText(tips, (width >> 1) - ((int) mPaint.measureText(tips) >> 1), (mBounds.bottom - (fontHeight << 1)), mPaint); mPaint.setFakeBoldText(false); canvas.drawText(latestRefreshTime, (width >> 1) - ((int) mPaint.measureText(latestRefreshTime) >> 1), (mBounds.bottom - fontHeight), mPaint); } else { float y = mBounds.top + ((textMarginTop + (fontHeight << 1)) >> 1) + textMarginTop - (dstHeight >> 1); // canvas.drawBitmap(dstbmp, (width >> 1) - ((int)mPaint.measureText(latestRefreshTime) >> 1) - drawable_margin_left - ((dstWidth >> 1) - (originalWidth >> 1)), y , mPaint); canvas.drawBitmap(dstbmp, drawable_margin_left - ((dstWidth >> 1) - (originalWidth >> 1)), y, mPaint); mPaint.setFakeBoldText(true); canvas.drawText(tips, (width >> 1) - ((int) mPaint.measureText(tips) >> 1), (mBounds.top + textMarginTop + fontHeight), mPaint); mPaint.setFakeBoldText(false); canvas.drawText(latestRefreshTime, (width >> 1) - ((int) mPaint.measureText(latestRefreshTime) >> 1), (mBounds.top + (fontHeight << 1) + (textMarginTop << 1)), mPaint); } }
From source file:com.limxing.library.PullToRefresh.SwipeProgressBar.java
private void drawBar(Canvas canvas, int height) { mPaint.setAntiAlias(true);/*from w w w .j a v a 2 s .c om*/ Bitmap bitmap = null; if (state == FINISHED) { bitmap = getFinishedBitmap(); } else { bitmap = getBitmap(); } Matrix matrix = new Matrix(); matrix.setTranslate(bitmap.getWidth() >> 1, bitmap.getHeight() >> 1); if (mRunning) { long now = AnimationUtils.currentAnimationTimeMillis(); matrix.postRotate(((now - mStartTime) % 360) / 2); } else { if (type == ROTATE) { if (state != FINISHED) { matrix.postRotate(height % 360); } } else { if (direction == 0) { if (state == RELEASE_TO_REFRESH) { matrix.postRotate(180); } } else if (direction == 1) { if (state == PULL_TO_REFRESH) { matrix.postRotate(180); } } } } dstbmp = Bitmap.createBitmap(bitmap, 0, 0, bitmap.getWidth(), bitmap.getHeight(), matrix, true); int originalWidth = bitmap.getWidth(); int originalHeight = bitmap.getHeight(); int dstWidth = dstbmp.getWidth(); int dstHeight = dstbmp.getHeight(); int fontHeight = (int) DisplayUtil.getFontHeight(textSize); mPaint.setTextSize(textSize); mPaint.setColor(textColor); if (direction == 0) { // canvas.drawBitmap(dstbmp, (width >> 1) - // ((int)mPaint.measureText(latestRefreshTime) >> 1) - // drawable_margin_left - ((dstWidth >> 1) - (originalWidth >> 1)), // (mBounds.bottom - (originalHeight >> 1)) + ((originalHeight >> 1) // - (dstHeight >> 1)) - (fontHeight << 1) , mPaint); canvas.drawBitmap(dstbmp, drawable_margin_left - ((dstWidth >> 1) - (originalWidth >> 1)), (mBounds.bottom - (originalHeight >> 1)) + ((originalHeight >> 1) - (dstHeight >> 1)) - (fontHeight << 1), mPaint); mPaint.setFakeBoldText(true); canvas.drawText(tips, (width >> 1) - ((int) mPaint.measureText(tips) >> 1), (mBounds.bottom - (fontHeight << 1)), mPaint); mPaint.setFakeBoldText(false); canvas.drawText(latestRefreshTime, (width >> 1) - ((int) mPaint.measureText(latestRefreshTime) >> 1), (mBounds.bottom - fontHeight), mPaint); } else { float y = mBounds.top + ((textMarginTop + (fontHeight << 1)) >> 1) + textMarginTop - (dstHeight >> 1); // canvas.drawBitmap(dstbmp, (width >> 1) - // ((int)mPaint.measureText(latestRefreshTime) >> 1) - // drawable_margin_left - ((dstWidth >> 1) - (originalWidth >> 1)), // y , mPaint); canvas.drawBitmap(dstbmp, drawable_margin_left - ((dstWidth >> 1) - (originalWidth >> 1)), y, mPaint); mPaint.setFakeBoldText(true); canvas.drawText(tips, (width >> 1) - ((int) mPaint.measureText(tips) >> 1), (mBounds.top + textMarginTop + fontHeight), mPaint); mPaint.setFakeBoldText(false); canvas.drawText(latestRefreshTime, (width >> 1) - ((int) mPaint.measureText(latestRefreshTime) >> 1), (mBounds.top + (fontHeight << 1) + (textMarginTop << 1)), mPaint); } }
From source file:com.etmay.brescrollpager.ui.MyScroller.java
/** * Call this when you want to know the new location. If it returns true, * the animation is not yet finished./* ww w .j a va 2s . c o m*/ */ public boolean computeScrollOffset() { if (mFinished) { return false; } int timePassed = (int) (AnimationUtils.currentAnimationTimeMillis() - mStartTime); if (timePassed < mDuration) { switch (mMode) { case SCROLL_MODE: final float x = mInterpolator.getInterpolation(timePassed * mDurationReciprocal); mCurrX = mStartX + Math.round(x * mDeltaX); mCurrY = mStartY + Math.round(x * mDeltaY); break; case FLING_MODE: final float t = (float) timePassed / mDuration; final int index = (int) (NB_SAMPLES * t); float distanceCoef = 1.f; float velocityCoef = 0.f; if (index < NB_SAMPLES) { final float t_inf = (float) index / NB_SAMPLES; final float t_sup = (float) (index + 1) / NB_SAMPLES; final float d_inf = SPLINE_POSITION[index]; final float d_sup = SPLINE_POSITION[index + 1]; velocityCoef = (d_sup - d_inf) / (t_sup - t_inf); distanceCoef = d_inf + (t - t_inf) * velocityCoef; } mCurrVelocity = velocityCoef * mDistance / mDuration * 1000.0f; mCurrX = mStartX + Math.round(distanceCoef * (mFinalX - mStartX)); // Pin to mMinX <= mCurrX <= mMaxX mCurrX = Math.min(mCurrX, mMaxX); mCurrX = Math.max(mCurrX, mMinX); mCurrY = mStartY + Math.round(distanceCoef * (mFinalY - mStartY)); // Pin to mMinY <= mCurrY <= mMaxY mCurrY = Math.min(mCurrY, mMaxY); mCurrY = Math.max(mCurrY, mMinY); if (mCurrX == mFinalX && mCurrY == mFinalY) { mFinished = true; } break; } } else { mCurrX = mFinalX; mCurrY = mFinalY; mFinished = true; } return true; }
From source file:com.etmay.brescrollpager.ui.MyScroller.java
/** * Start scrolling by providing a starting point, the distance to travel, * and the duration of the scroll.//from w ww.ja v a 2s .co m * * @param startX Starting horizontal scroll offset in pixels. Positive * numbers will scroll the content to the left. * @param startY Starting vertical scroll offset in pixels. Positive numbers * will scroll the content up. * @param dx Horizontal distance to travel. Positive numbers will scroll the * content to the left. * @param dy Vertical distance to travel. Positive numbers will scroll the * content up. * @param duration Duration of the scroll in milliseconds. */ public void startScroll(int startX, int startY, int dx, int dy, int duration) { mMode = SCROLL_MODE; mFinished = false; mDuration = duration; mStartTime = AnimationUtils.currentAnimationTimeMillis(); mStartX = startX; mStartY = startY; mFinalX = startX + dx; mFinalY = startY + dy; mDeltaX = dx; mDeltaY = dy; mDurationReciprocal = 1.0f / (float) mDuration; }
From source file:com.etmay.brescrollpager.ui.MyScroller.java
/** * Start scrolling based on a fling gesture. The distance travelled will * depend on the initial velocity of the fling. * * @param startX Starting point of the scroll (X) * @param startY Starting point of the scroll (Y) * @param velocityX Initial velocity of the fling (X) measured in pixels per * second.//from w w w .j av a2 s. com * @param velocityY Initial velocity of the fling (Y) measured in pixels per * second * @param minX Minimum X value. The scroller will not scroll past this * point. * @param maxX Maximum X value. The scroller will not scroll past this * point. * @param minY Minimum Y value. The scroller will not scroll past this * point. * @param maxY Maximum Y value. The scroller will not scroll past this * point. */ public void fling(int startX, int startY, int velocityX, int velocityY, int minX, int maxX, int minY, int maxY) { // Continue a scroll or fling in progress if (mFlywheel && !mFinished) { float oldVel = getCurrVelocity(); float dx = (float) (mFinalX - mStartX); float dy = (float) (mFinalY - mStartY); float hyp = (float) Math.hypot(dx, dy); float ndx = dx / hyp; float ndy = dy / hyp; float oldVelocityX = ndx * oldVel; float oldVelocityY = ndy * oldVel; if (Math.signum(velocityX) == Math.signum(oldVelocityX) && Math.signum(velocityY) == Math.signum(oldVelocityY)) { velocityX += oldVelocityX; velocityY += oldVelocityY; } } mMode = FLING_MODE; mFinished = false; float velocity = (float) Math.hypot(velocityX, velocityY); mVelocity = velocity; mDuration = getSplineFlingDuration(velocity); mStartTime = AnimationUtils.currentAnimationTimeMillis(); mStartX = startX; mStartY = startY; float coeffX = velocity == 0 ? 1.0f : velocityX / velocity; float coeffY = velocity == 0 ? 1.0f : velocityY / velocity; double totalDistance = getSplineFlingDistance(velocity); mDistance = (int) (totalDistance * Math.signum(velocity)); mMinX = minX; mMaxX = maxX; mMinY = minY; mMaxY = maxY; mFinalX = startX + (int) Math.round(totalDistance * coeffX); // Pin to mMinX <= mFinalX <= mMaxX mFinalX = Math.min(mFinalX, mMaxX); mFinalX = Math.max(mFinalX, mMinX); mFinalY = startY + (int) Math.round(totalDistance * coeffY); // Pin to mMinY <= mFinalY <= mMaxY mFinalY = Math.min(mFinalY, mMaxY); mFinalY = Math.max(mFinalY, mMinY); }
From source file:com.etmay.brescrollpager.ui.MyScroller.java
/** * Returns the time elapsed since the beginning of the scrolling. * * @return The elapsed time in milliseconds. *//*w w w . ja va2s.c om*/ public int timePassed() { return (int) (AnimationUtils.currentAnimationTimeMillis() - mStartTime); }
From source file:de.telekom.pde.codelibrary.ui.layout.PDESwipeRefreshLayout.java
/** * @brief Start showing the progress animation. *///from w w w .jav a 2s.c o m void start() { if (!mRunning) { mTriggerPercentage = 0; mStartTime = AnimationUtils.currentAnimationTimeMillis(); mRunning = true; drawCirclePath(); postInvalidate(); } }