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   ps:算的要吐了
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@Hitomis
Hitomis committed Nov 4, 2016
1 parent ee75d3b commit 79d0401
Showing 1 changed file with 88 additions and 33 deletions.
121 changes: 88 additions & 33 deletions aslibrary/src/main/java/com/hitomi/aslibrary/ActivityControllerLayout.java
View file
Original file line number Diff line number Diff line change
Expand Up @@ -57,7 +57,7 @@ class ActivityControllerLayout extends FrameLayout implements View.OnClickListen
private VelocityTracker velocityTracker;

private OnControlCallback onControlCallback;
private ActivityContainer controView;
private ActivityContainer controlView;

public ActivityControllerLayout(Context context) {
this(context, null);
Expand All @@ -83,6 +83,9 @@ public void addView(View child) {
super.addView(child);
}

float controlViewBottom = 0.f;
float[] originalContainerX;

@Override
public boolean dispatchTouchEvent(MotionEvent ev) {
switch (ev.getAction()) {
Expand All @@ -94,40 +97,37 @@ public boolean dispatchTouchEvent(MotionEvent ev) {
}
velocityTracker.addMovement(ev);

controView = findControlView(ev);
controlView = findControlView(ev);
if (controlView == null) return super.dispatchTouchEvent(ev);
controlViewBottom = controlView.getBounds().bottom;
originalContainerX = new float[getChildCount() - 1 - indexOfChild(controlView)];
for (int i = indexOfChild(controlView) + 1; i < getChildCount(); i++) {
originalContainerX[i - (indexOfChild(controlView) + 1)] = getChildAt(i).getX();
}
preY = ev.getY();
break;
case MotionEvent.ACTION_MOVE:
velocityTracker.addMovement(ev);
float diffY = ev.getY() - preY;
controView.setY(controView.getY() + diffY);
if (controlView.getY() > 0 && diffY > 0) { // 下移
float slopRate = 1.f - 1.65f * controlView.getY() / (controlView.getIntrinsicHeight());
diffY *= slopRate;
} else if (controlView.getY() <= 0) { // 上移->
moveLastPosition();
}
controlView.setY(controlView.getY() + diffY);
preY = ev.getY();
break;
case MotionEvent.ACTION_UP:
velocityTracker.addMovement(ev);
velocityTracker.computeCurrentVelocity(1000);
float velocityY = velocityTracker.getYVelocity();
ActivityContainer actContainer = (ActivityContainer) controView;
boolean over = Math.abs(actContainer.getY()) >= actContainer.getIntrinsicHeight() * .618;
if ((controView.getY() < 0 && over) || Math.abs(velocityY) >= maxVelocity) {
// 上移且超出阈值 或者 上移速度超过阈值
float endTranY = actContainer.getY() - actContainer.getBounds().bottom;
ObjectAnimator tranYAnima = ObjectAnimator.ofFloat(actContainer, "Y", actContainer.getY(), endTranY);
tranYAnima.setDuration(150);
tranYAnima.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
if (onControlCallback != null) {
onControlCallback.onFling(controView);
}
}
});
tranYAnima.start();
} else {
ObjectAnimator tranYAnima = ObjectAnimator.ofFloat(actContainer, "Y", actContainer.getY(), 0);
tranYAnima.setDuration(350);
tranYAnima.setInterpolator(new DecelerateInterpolator());
tranYAnima.start();
boolean over = Math.abs(controlView.getY()) >= controlView.getIntrinsicHeight() * .618;
if (controlView.getY() < 0 && (over || Math.abs(velocityY) >= maxVelocity)) {
// 上移且超出阈值 或者 上移速度超过阈值 -> 移除到窗外
slideOutAnimation();
} else { // 下移或者上移没有超出阈值- > 回落到原始位置
slideOrignalPositionAnimation();
}
if (null != velocityTracker) {
velocityTracker.recycle();
Expand All @@ -144,11 +144,66 @@ public void onAnimationEnd(Animator animation) {
return super.dispatchTouchEvent(ev);
}

private void slideOrignalPositionAnimation() {
ObjectAnimator tranYAnima = ObjectAnimator.ofFloat(controlView, "Y", controlView.getY(), 0);
tranYAnima.setDuration(350);
tranYAnima.setInterpolator(new DecelerateInterpolator());
tranYAnima.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator valueAnimator) {
if (controlView.getY() < 0)
moveLastPosition();
}
});
tranYAnima.start();
}

private void slideOutAnimation() {
float endTranY = controlView.getY() - controlView.getBounds().bottom;
ObjectAnimator tranYAnima = ObjectAnimator.ofFloat(controlView, "Y", controlView.getY(), endTranY);
tranYAnima.setDuration(150);
tranYAnima.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
@Override
public void onAnimationUpdate(ValueAnimator valueAnimator) {
moveLastPosition();
}
});
tranYAnima.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
if (onControlCallback != null) {
onControlCallback.onFling(controlView);
}
}
});
tranYAnima.start();
}

private void moveLastPosition() {
float currOffsetX;
float totalOffsetX = getLayoutStyle() == STYLE_DOUBLE
? (width * (CENTER_SCALE_RATE + OFFSET_SCALE_RATE) / 2)
: pageOffsetSize;
int controlIndex = indexOfChild(controlView);
if (getChildCount() == 3) {

if (controlIndex == 0) {

}
} else {
for (int i = controlIndex + 1; i < getChildCount(); i++) {
if (controlViewBottom == 0.f) continue;
currOffsetX = controlView.getY() * totalOffsetX / controlViewBottom;
getChildAt(i).setX(originalContainerX[i - controlIndex - 1] + currOffsetX);
}
}
}


@Override
public void onClick(final View view) {
if (flag == FLAG_DISPLAYED) {
// controView = view;
// controlView = view;
// closure();
}
}
Expand Down Expand Up @@ -409,33 +464,33 @@ public void onAnimationEnd(Animator animation) {
}

public void closure() {
controView = controView == null || indexOfChild(controView) == -1
controlView = controlView == null || indexOfChild(controlView) == -1
? (ActivityContainer) getChildAt(getChildCount() - 1)
: controView;
: controlView;
flag = FLAG_CLOSING;
AnimatorSet animatorSet = null;
resetBackground = false;
switch (getLayoutStyle()) {
case STYLE_SINGLE:
animatorSet = singleStyleAnimator(controView);
animatorSet = singleStyleAnimator(controlView);
break;
case STYLE_DOUBLE:
animatorSet = doubleStyleAnimator(controView);
animatorSet = doubleStyleAnimator(controlView);
break;
case STYLE_MULTIPLE:
animatorSet = multipleStyleAnimator(controView);
animatorSet = multipleStyleAnimator(controlView);
break;
}
if (animatorSet == null) return ;
animatorSet.addListener(new AnimatorListenerAdapter() {
@Override
public void onAnimationEnd(Animator animation) {
if (onControlCallback != null)
onControlCallback.onSelected(controView);
onControlCallback.onSelected(controlView);

updateContainerIntercept(false);
controView.setOnClickListener(null);
controView = null;
controlView.setOnClickListener(null);
controlView = null;
flag = FLAG_CLOSED;
}
});
Expand Down

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