private void startDiscAnimator(float animatedValue) { mDiscLayoutAnimator = ObjectAnimator.ofFloat(mDiscLayout, "rotation", animatedValue, 360 + animatedValue); mDiscLayoutAnimator.addUpdateListener(new AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator arg0) { mDiscLayoutAnimatorValue = (Float) arg0.getAnimatedValue(); } }); mDiscLayoutAnimator.setDuration(DISC_ANIMATOR_TIME); mDiscLayoutAnimator.setRepeatCount(DISC_ANIMATOR_REPEAT_COUNT); mDiscLayoutAnimator.setInterpolator(new LinearInterpolator()); if (mDiscLayoutAnimator.isRunning() || mDiscLayoutAnimator.isStarted()) { mDiscLayoutAnimator.cancel(); } mDiscLayoutAnimator.start(); }
private void reverseDiscAnimator() { mDiscLayoutAnimator = ObjectAnimator.ofFloat(mDiscLayout, "rotation", mDiscLayoutAnimatorValue, 360); mDiscLayoutAnimator.addUpdateListener(new AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator arg0) { mDiscLayoutAnimatorValue = (Float) arg0.getAnimatedValue(); } }); mDiscLayoutAnimator.setDuration(DISC_REVERSE_ANIMATOR_TIME); mDiscLayoutAnimator.setInterpolator(new AccelerateInterpolator()); if (mDiscLayoutAnimator.isRunning() || mDiscLayoutAnimator.isStarted()) { mDiscLayoutAnimator.cancel(); } mDiscLayoutAnimator.start(); }
private void performAnimate(final View target, final int start, final int end) { ValueAnimator valueAnimator = ValueAnimator.ofInt(1, 100); valueAnimator.addUpdateListener(new AnimatorUpdateListener() { // 持有一个IntEvaluator对象，方便下面估值的时候使用 private IntEvaluator mEvaluator = new IntEvaluator(); @Override public void onAnimationUpdate(ValueAnimator animator) { // 获得当前动画的进度值，整型，1-100之间 int currentValue = (Integer) animator.getAnimatedValue(); Log.d(TAG, "current value: " + currentValue); // 获得当前进度占整个动画过程的比例，浮点型，0-1之间 float fraction = animator.getAnimatedFraction(); // 直接调用整型估值器通过比例计算出宽度，然后再设给Button target.getLayoutParams().width = mEvaluator.evaluate(fraction, start, end); target.requestLayout(); } }); valueAnimator.setDuration(5000).start(); }
public FancyProgress2 show(){ setVisibility(View.VISIBLE); mAnim = ValueAnimator.ofFloat(1.0f); mAnim.setInterpolator(new LinearInterpolator()); mAnim.setDuration(2000); mAnim.setRepeatCount(ValueAnimator.INFINITE); mAnim.addUpdateListener(new AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator animation) { mPercent = animation.getAnimatedFraction(); isFront = mPercent < 0.5f; invalidate(); } }); mAnim.start(); invalidate(); return this; }
private void onFlagChanged(final CardFlag oldFlag, final CardFlag newFlag) { int flagColor = CARD_BACKGROUND_COLOR_NOFLAG; if (newFlag != null) { flagColor = newFlag.getColor(); } ValueAnimator fade = ObjectAnimator.ofInt(mCardPaint, "color", mCardPaint.getColor(), flagColor); fade.setDuration(500); fade.setEvaluator(new ArgbEvaluator()); fade.addUpdateListener(new AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator value) { onFlagChangedUpdate(oldFlag, newFlag, value); invalidate(); } }); fade.start(); }
private Animator getWidthAnimator(final int from, final int to) { final ValueAnimator anim = ValueAnimator.ofInt(from, to); anim.addUpdateListener(new AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator animation) { final int val = (Integer)animation.getAnimatedValue(); final ViewGroup.LayoutParams layoutParams = getLayoutParams(); layoutParams.width = val; setLayoutParams(layoutParams); } }); anim.setInterpolator(new FastOutSlowInInterpolator()); anim.setDuration(TRANSITION_MS); return anim; }
public AnimationBuilder custom(final Update update, float... values) { for (final View view : this.views) { ValueAnimator valueAnimator = ValueAnimator.ofFloat(getValues(values)); if (update != null) { valueAnimator.addUpdateListener(new AnimatorUpdateListener() { public void onAnimationUpdate(ValueAnimator animation) { update.update(view, ((Float) animation.getAnimatedValue()).floatValue()); } }); } add(valueAnimator); } return this; }
/** * 设置进度，此为线程安全控件，由于考虑多线的问题，需要同步 刷新界面调用postInvalidate()能在非UI线程刷新 * * @param progress */ public synchronized void setProgress(int progress) { if (this.progress == progress) { return; } // hasShowing = true; if (progress < 0) { // throw new IllegalArgumentException("progress not less than 0"); return; } if (progress > max) { progress = max; } ValueAnimator va = ValueAnimator.ofInt(this.progress, progress); va.setDuration(1000); va.setInterpolator(new AccelerateInterpolator()); va.start(); va.addUpdateListener(new AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator arg0) { int value = (Integer) arg0.getAnimatedValue(); if (value <= max) { RoundProgressBar.this.progress = value; invalidate(); } } }); }
/** * Constructor. Create objects used throughout the life of the View: the Paint and * the animator */ public FlakeView(Context context) { super(context); droid = BitmapFactory.decodeResource(getResources(), R.drawable.droid); textPaint = new Paint(Paint.ANTI_ALIAS_FLAG); textPaint.setColor(Color.WHITE); textPaint.setTextSize(24); // This listener is where the action is for the flak animations. Every frame of the // animation, we calculate the elapsed time and update every flake's position and rotation // according to its speed. animator.addUpdateListener(new AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator arg0) { long nowTime = System.currentTimeMillis(); float secs = (float)(nowTime - prevTime) / 1000f; prevTime = nowTime; for (int i = 0; i < numFlakes; ++i) { Flake flake = flakes.get(i); flake.y += (flake.speed * secs); if (flake.y > getHeight()) { // If a flake falls off the bottom, send it back to the top flake.y = 0 - flake.height; } flake.rotation = flake.rotation + (flake.rotationSpeed * secs); } // Force a redraw to see the flakes in their new positions and orientations invalidate(); } }); animator.setRepeatCount(ValueAnimator.INFINITE); animator.setDuration(3000); }
public void show(){ mAnim = ValueAnimator.ofFloat(1.0f); mAnim.addUpdateListener(new AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator animation) { mPercent = animation.getAnimatedFraction(); invalidate(); } }); mAnim.setInterpolator(new LinearInterpolator()); mAnim.setRepeatCount(ValueAnimator.INFINITE); mAnim.setDuration(mOneShotDuration * 4); mAnim.start(); }
/** * Constructor. Create objects used throughout the life of the View: the * Paint and the animator */ public FlakeView(Context context) { super(context); droid = BitmapFactory.decodeResource(getResources(), R.drawable.white_snow); snowImg = BitmapFactory.decodeResource(getResources(), R.drawable.white_snow); daoFlowerImg1 = BitmapFactory.decodeResource(getResources(), R.drawable.flower1); daoFlowerImg2 = BitmapFactory.decodeResource(getResources(), R.drawable.flower2); // daoFlowerImg3 = BitmapFactory.decodeResource(getResources(), // R.drawable.flower3); // heartImg = BitmapFactory.decodeResource(getResources(), // R.drawable.heart); textPaint = new Paint(Paint.ANTI_ALIAS_FLAG); textPaint.setColor(Color.WHITE); textPaint.setTextSize(24); // This listener is where the action is for the flak animations. Every // frame of the // animation, we calculate the elapsed time and update every flake's // position and rotation // according to its speed. animator.addUpdateListener(new AnimatorUpdateListener() { @Override public void onAnimationUpdate(ValueAnimator arg0) { long nowTime = System.currentTimeMillis(); float secs = (float) (nowTime - prevTime) / 1000f; prevTime = nowTime; for (int i = 0; i < numFlakes; ++i) { Flake flake = flakes.get(i); flake.y += (flake.speed * secs); if (flake.y > getHeight()) { // If a flake falls off the bottom, send it back to the // top flake.y = 0 - flake.height; } flake.rotation = flake.rotation + (flake.rotationSpeed * secs); } // Force a redraw to see the flakes in their new positions and // orientations invalidate(); } }); animator.setRepeatCount(ValueAnimator.INFINITE); animator.setDuration(3000); }
