Example usage for android.animation PropertyValuesHolder ofFloat

Introduction

In this page you can find the example usage for android.animation PropertyValuesHolder ofFloat.

Prototype

public static PropertyValuesHolder ofFloat(Property<?, Float> property, float... values) 

Source Link

Document

Constructs and returns a PropertyValuesHolder with a given property and set of float values.

Usage

From source file:com.phonemetra.turbo.launcher.Folder.java

public void animateOpen() {
    positionAndSizeAsIcon();//from   ww  w. ja va2  s. co  m

    if (!(getParent() instanceof DragLayer))
        return;
    centerAboutIcon();
    PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 1);
    PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.0f);
    PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.0f);
    final ObjectAnimator oa = LauncherAnimUtils.ofPropertyValuesHolder(this, alpha, scaleX, scaleY);

    oa.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationStart(Animator animation) {
            sendCustomAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED,
                    String.format(getContext().getString(R.string.folder_opened), mContent.getCountX(),
                            mContent.getCountY()));
            mState = STATE_ANIMATING;
        }

        @Override
        public void onAnimationEnd(Animator animation) {
            mState = STATE_OPEN;
            setLayerType(LAYER_TYPE_NONE, null);

            setFocusOnFirstChild();
        }
    });
    oa.setDuration(mExpandDuration);
    setLayerType(LAYER_TYPE_HARDWARE, null);
    oa.start();

    // Make sure the folder picks up the last drag move even if the finger doesn't move.
    if (mDragController.isDragging()) {
        mDragController.forceTouchMove();
    }
}

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From source file:android.support.graphics.drawable.AnimatorInflaterCompat.java

private static void setupPathMotion(Path path, ObjectAnimator oa, float precision, String propertyXName,
        String propertyYName) {//from  w w  w. ja  v a  2  s  .c o  m
    // Measure the total length the whole path.
    final PathMeasure measureForTotalLength = new PathMeasure(path, false);
    float totalLength = 0;
    // The sum of the previous contour plus the current one. Using the sum here b/c we want to
    // directly substract from it later.
    ArrayList<Float> contourLengths = new ArrayList<>();
    contourLengths.add(0f);
    do {
        final float pathLength = measureForTotalLength.getLength();
        totalLength += pathLength;
        contourLengths.add(totalLength);

    } while (measureForTotalLength.nextContour());

    // Now determine how many sample points we need, and the step for next sample.
    final PathMeasure pathMeasure = new PathMeasure(path, false);

    final int numPoints = min(MAX_NUM_POINTS, (int) (totalLength / precision) + 1);

    float[] mX = new float[numPoints];
    float[] mY = new float[numPoints];
    final float[] position = new float[2];

    int contourIndex = 0;
    float step = totalLength / (numPoints - 1);
    float currentDistance = 0;

    // For each sample point, determine whether we need to move on to next contour.
    // After we find the right contour, then sample it using the current distance value minus
    // the previously sampled contours' total length.
    for (int i = 0; i < numPoints; ++i) {
        pathMeasure.getPosTan(currentDistance, position, null);
        pathMeasure.getPosTan(currentDistance, position, null);

        mX[i] = position[0];
        mY[i] = position[1];
        currentDistance += step;
        if ((contourIndex + 1) < contourLengths.size()
                && currentDistance > contourLengths.get(contourIndex + 1)) {
            currentDistance -= contourLengths.get(contourIndex + 1);
            contourIndex++;
            pathMeasure.nextContour();
        }
    }

    // Given the x and y value of the sample points, setup the ObjectAnimator properly.
    PropertyValuesHolder x = null;
    PropertyValuesHolder y = null;
    if (propertyXName != null) {
        x = PropertyValuesHolder.ofFloat(propertyXName, mX);
    }
    if (propertyYName != null) {
        y = PropertyValuesHolder.ofFloat(propertyYName, mY);
    }
    if (x == null) {
        oa.setValues(y);
    } else if (y == null) {
        oa.setValues(x);
    } else {
        oa.setValues(x, y);
    }
}

---

From source file:com.fairphone.fplauncher3.Folder.java

public void animateClosed() {
    if (!(getParent() instanceof DragLayer)) {
        return;//from  ww  w. j  a v a 2 s .c o m
    }
    PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 0f);
    PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 0.9f);
    PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 0.9f);
    /*final ObjectAnimator oa =
        LauncherAnimUtils.ofPropertyValuesHolder(this, alpha, scaleX, scaleY);*/

    setLayerType(LAYER_TYPE_HARDWARE, null);

    float animatorDurationScale = Settings.Global.getFloat(getContext().getContentResolver(),
            Settings.Global.ANIMATOR_DURATION_SCALE, 1);
    ObjectAnimator oa;
    if ((Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP && mPowerManager.isPowerSaveMode())
            || animatorDurationScale < 0.01f) {
        // power save mode is no fun - skip alpha animation and just set it to 0
        // otherwise the icons will stay around until the duration of the animation
        oa = LauncherAnimUtils.ofPropertyValuesHolder(this, scaleX, scaleY);
        setAlpha(0f);
    } else {
        oa = LauncherAnimUtils.ofPropertyValuesHolder(this, alpha, scaleX, scaleY);
    }

    oa.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(Animator animation) {
            onCloseComplete();
            setLayerType(LAYER_TYPE_NONE, null);
            mState = STATE_SMALL;
        }

        @Override
        public void onAnimationStart(Animator animation) {
            sendCustomAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED,
                    getContext().getString(R.string.folder_closed));
            mState = STATE_ANIMATING;
        }
    });
    oa.setDuration(mExpandDuration);
    setLayerType(LAYER_TYPE_HARDWARE, null);
    oa.start();
}

---

From source file:com.klinker.android.launcher.launcher3.Workspace.java

private void fadeAndRemoveEmptyScreen(int delay, int duration, final Runnable onComplete,
        final boolean stripEmptyScreens) {
    // XXX: Do we need to update LM workspace screens below?
    PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 0f);
    PropertyValuesHolder bgAlpha = PropertyValuesHolder.ofFloat("backgroundAlpha", 0f);

    final CellLayout cl = mWorkspaceScreens.get(EXTRA_EMPTY_SCREEN_ID);

    mRemoveEmptyScreenRunnable = new Runnable() {
        @Override//from   w  ww  .  j  a v a  2  s.com
        public void run() {
            if (hasExtraEmptyScreen()) {
                mWorkspaceScreens.remove(EXTRA_EMPTY_SCREEN_ID);
                mScreenOrder.remove(EXTRA_EMPTY_SCREEN_ID);
                removeView(cl);
                if (stripEmptyScreens) {
                    stripEmptyScreens();
                }
            }
        }
    };

    ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(cl, alpha, bgAlpha);
    oa.setDuration(duration);
    oa.setStartDelay(delay);
    oa.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(Animator animation) {
            if (mRemoveEmptyScreenRunnable != null) {
                mRemoveEmptyScreenRunnable.run();
            }
            if (onComplete != null) {
                onComplete.run();
            }
        }
    });
    oa.start();
}

---

From source file:com.android.calculator2.Calculator.java

private void onResult(boolean animate) {
    // Calculate the textSize that would be used to display the result in the formula.
    // For scrollable results just use the minimum textSize to maximize the number of digits
    // that are visible on screen.
    float textSize = mFormulaText.getMinimumTextSize();
    if (!mResultText.isScrollable()) {
        textSize = mFormulaText.getVariableTextSize(mResultText.getText().toString());
    }//from  w ww. j  av a 2 s .  c  o  m

    // Scale the result to match the calculated textSize, minimizing the jump-cut transition
    // when a result is reused in a subsequent expression.
    final float resultScale = textSize / mResultText.getTextSize();

    // Set the result's pivot to match its gravity.
    mResultText.setPivotX(mResultText.getWidth() - mResultText.getPaddingRight());
    mResultText.setPivotY(mResultText.getHeight() - mResultText.getPaddingBottom());

    // Calculate the necessary translations so the result takes the place of the formula and
    // the formula moves off the top of the screen.
    final float resultTranslationY = (mFormulaText.getBottom() - mResultText.getBottom())
            - (mFormulaText.getPaddingBottom() - mResultText.getPaddingBottom());
    final float formulaTranslationY = -mFormulaText.getBottom();

    // Change the result's textColor to match the formula.
    final int formulaTextColor = mFormulaText.getCurrentTextColor();

    if (animate) {
        mResultText.announceForAccessibility(getResources().getString(R.string.desc_eq));
        mResultText.announceForAccessibility(mResultText.getText());
        setState(CalculatorState.ANIMATE);
        final AnimatorSet animatorSet = new AnimatorSet();
        animatorSet.playTogether(
                ObjectAnimator.ofPropertyValuesHolder(mResultText,
                        PropertyValuesHolder.ofFloat(View.SCALE_X, resultScale),
                        PropertyValuesHolder.ofFloat(View.SCALE_Y, resultScale),
                        PropertyValuesHolder.ofFloat(View.TRANSLATION_Y, resultTranslationY)),
                ObjectAnimator.ofArgb(mResultText, TEXT_COLOR, formulaTextColor),
                ObjectAnimator.ofFloat(mFormulaText, View.TRANSLATION_Y, formulaTranslationY));
        animatorSet.setDuration(getResources().getInteger(android.R.integer.config_longAnimTime));
        animatorSet.addListener(new AnimatorListenerAdapter() {
            @Override
            public void onAnimationEnd(Animator animation) {
                setState(CalculatorState.RESULT);
                mCurrentAnimator = null;
            }
        });

        mCurrentAnimator = animatorSet;
        animatorSet.start();
    } else /* No animation desired; get there fast, e.g. when restarting */ {
        mResultText.setScaleX(resultScale);
        mResultText.setScaleY(resultScale);
        mResultText.setTranslationY(resultTranslationY);
        mResultText.setTextColor(formulaTextColor);
        mFormulaText.setTranslationY(formulaTranslationY);
        setState(CalculatorState.RESULT);
    }
}

---

From source file:com.phonemetra.turbo.launcher.Workspace.java

private void fadeAndRemoveEmptyScreen(int delay, int duration, final Runnable onComplete,
        final boolean stripEmptyScreens) {

    PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 0f);
    PropertyValuesHolder bgAlpha = PropertyValuesHolder.ofFloat("backgroundAlpha", 0f);

    final CellLayout cl = mWorkspaceScreens.get(EXTRA_EMPTY_SCREEN_ID);

    mRemoveEmptyScreenRunnable = new Runnable() {
        @Override/*from   w w  w .  jav  a  2s. c  om*/
        public void run() {
            if (hasExtraEmptyScreen()) {
                mWorkspaceScreens.remove(EXTRA_EMPTY_SCREEN_ID);
                mScreenOrder.remove(EXTRA_EMPTY_SCREEN_ID);
                removeView(cl);
                if (stripEmptyScreens) {
                    stripEmptyScreens();
                }
            }
        }
    };

    ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(cl, alpha, bgAlpha);
    oa.setDuration(duration);
    oa.setStartDelay(delay);
    oa.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(Animator animation) {
            if (mRemoveEmptyScreenRunnable != null) {
                mRemoveEmptyScreenRunnable.run();
            }
            if (onComplete != null) {
                onComplete.run();
            }
        }
    });
    oa.start();
}

---

From source file:com.android.launcher3.Workspace.java

private void fadeAndRemoveEmptyScreen(int delay, int duration, final Runnable onComplete,
        final boolean stripEmptyScreens) {
    // Log to disk
    // XXX: Do we need to update LM workspace screens below?
    Launcher.addDumpLog(TAG, "11683562 - fadeAndRemoveEmptyScreen()", true);
    PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 0f);
    PropertyValuesHolder bgAlpha = PropertyValuesHolder.ofFloat("backgroundAlpha", 0f);

    final CellLayout cl = mWorkspaceScreens.get(EXTRA_EMPTY_SCREEN_ID);

    mRemoveEmptyScreenRunnable = new Runnable() {
        @Override//from   w  w w  .  ja v a  2  s  .c o  m
        public void run() {
            if (hasExtraEmptyScreen()) {
                mWorkspaceScreens.remove(EXTRA_EMPTY_SCREEN_ID);
                mScreenOrder.remove(EXTRA_EMPTY_SCREEN_ID);
                removeView(cl);
                if (stripEmptyScreens) {
                    stripEmptyScreens();
                }
            }
        }
    };

    ObjectAnimator oa = ObjectAnimator.ofPropertyValuesHolder(cl, alpha, bgAlpha);
    oa.setDuration(duration);
    oa.setStartDelay(delay);
    oa.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationEnd(Animator animation) {
            if (mRemoveEmptyScreenRunnable != null) {
                mRemoveEmptyScreenRunnable.run();
            }
            if (onComplete != null) {
                onComplete.run();
            }
        }
    });
    oa.start();
}

---

From source file:com.aliyun.homeshell.Folder.java

public void animateOpen() {
    positionAndSizeAsIcon();//from  w  w  w.  j a  v  a  2 s  . c  o  m
    if (!(getParent() instanceof DragLayer))
        return;
    centerAboutIcon();
    PropertyValuesHolder alpha = PropertyValuesHolder.ofFloat("alpha", 1);
    PropertyValuesHolder scaleX = PropertyValuesHolder.ofFloat("scaleX", 1.0f);
    PropertyValuesHolder scaleY = PropertyValuesHolder.ofFloat("scaleY", 1.0f);
    final ObjectAnimator oa = LauncherAnimUtils.ofPropertyValuesHolder(this, alpha, scaleX, scaleY);

    oa.addListener(new AnimatorListenerAdapter() {
        @Override
        public void onAnimationStart(Animator animation) {
            sendCustomAccessibilityEvent(AccessibilityEvent.TYPE_WINDOW_STATE_CHANGED,
                    String.format(getContext().getString(R.string.folder_opened), mContent.getCountX(),
                            mContent.getCountY()));
            mState = STATE_ANIMATING;
        }

        @Override
        public void onAnimationEnd(Animator animation) {
            mState = STATE_OPEN;
            setLayerType(LAYER_TYPE_NONE, null);

            /* YUNOS BEGIN */
            // ##date:2013/11/27 ##author:zhangqiang.zq
            // remove cling
            /*
             * Cling cling = mLauncher.showFirstRunFoldersCling(); if (cling
             * != null) { cling.bringToFront(); }
             */
            /* YUNOS END */
            setFocusOnFirstChild();
            setAlpha(1);
            setScaleX(1);
            setScaleY(1);
            /*YUNOS BEGIN*/
            //##date:2014/06/10 ##author:guoshuai.lgs ##BugID:
            //support the folder feature in mainmenu
            if (mInfo.isMainmenuFolder() && (LauncherApplication.isMainmenuMode())) {
                mLauncher.getAppsCustomizeTabHost().setVisibility(View.INVISIBLE);
            }
            /*YUNOS END*/
        }
    });
    oa.setDuration(mExpandDuration);
    setLayerType(LAYER_TYPE_HARDWARE, null);
    oa.start();
}

---

From source file:com.stanleyidesis.quotograph.ui.activity.LWQSettingsActivity.java

Animator generateAnimator(View target, boolean dismiss, long startDelay) {
    float[] fadeIn = new float[] { 0f, 1f };
    float[] fadeOut = new float[] { 1f, 0f };
    final ObjectAnimator propAnimator = ObjectAnimator.ofPropertyValuesHolder(target,
            PropertyValuesHolder.ofFloat(View.ALPHA, dismiss ? fadeOut : fadeIn),
            PropertyValuesHolder.ofFloat(View.TRANSLATION_Y, dismiss ? (target.getHeight() * 2f) : 0f));
    propAnimator.setStartDelay(startDelay);
    propAnimator.setInterpolator(new AccelerateDecelerateInterpolator());
    propAnimator.setDuration(240);/*  w  ww  .  ja v  a2 s  .c om*/
    return propAnimator;
}

---

From source file:com.stanleyidesis.quotograph.ui.activity.LWQSettingsActivity.java

Animator animateFAB(final View fabToAnimate, final boolean dismiss) {
    fabToAnimate.setVisibility(View.VISIBLE);
    float[] toFrom = dismiss ? new float[] { 1f, .2f } : new float[] { .2f, 1f };
    AnimatorSet animatorSet = new AnimatorSet();
    animatorSet.addListener(new AnimatorListenerAdapter() {
        @Override//from  www .  j a v a  2  s.c o  m
        public void onAnimationEnd(Animator animation) {
            fabToAnimate.setVisibility(dismiss ? View.GONE : View.VISIBLE);
        }
    });
    ObjectAnimator alphaAnimator = ObjectAnimator.ofFloat(fabToAnimate, "alpha", toFrom);
    alphaAnimator.setDuration(200);
    alphaAnimator.setInterpolator(new AccelerateDecelerateInterpolator());

    // Create a scale + fade animation
    ObjectAnimator scaleDown = ObjectAnimator.ofPropertyValuesHolder(fabToAnimate,
            PropertyValuesHolder.ofFloat("scaleX", toFrom), PropertyValuesHolder.ofFloat("scaleY", toFrom));
    scaleDown.setDuration(200);
    scaleDown.setInterpolator(new AccelerateDecelerateInterpolator());
    animatorSet.playTogether(scaleDown, alphaAnimator);
    return animatorSet;
}

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