Java ViewCompat.postOnAnimationDelayed方法代碼示例

import android.support.v4.view.ViewCompat; //導入方法依賴的package包/類
private void runMoveAnimation(boolean removalsPending, boolean movesPending) {
	if (movesPending) {
		final ArrayList<MoveInfo> moves = new ArrayList<>();
		moves.addAll(mPendingMoves);
		mMovesList.add(moves);
		mPendingMoves.clear();
		Runnable mover = new Runnable() {
			@Override
			public void run() {
				for (MoveInfo moveInfo : moves) {
					animateMoveImpl(moveInfo.holder, moveInfo.fromX, moveInfo.fromY,
							moveInfo.toX, moveInfo.toY);
				}
				moves.clear();
				mMovesList.remove(moves);
			}
		};
		if (removalsPending) {
			View view = moves.get(0).holder.itemView;
			ViewCompat.postOnAnimationDelayed(view, mover, getRemoveDuration());
		} else {
			mover.run();
		}
	}
}
 

import android.support.v4.view.ViewCompat; //導入方法依賴的package包/類
private void runChangeAnimation(boolean removalsPending, boolean changesPending) {
	// Change animation to run in parallel with move animations
	if (changesPending) {
		final ArrayList<ChangeInfo> changes = new ArrayList<>();
		changes.addAll(mPendingChanges);
		mChangesList.add(changes);
		mPendingChanges.clear();
		Runnable changer = new Runnable() {
			@Override
			public void run() {
				for (ChangeInfo change : changes) {
					animateChangeImpl(change);
				}
				changes.clear();
				mChangesList.remove(changes);
			}
		};
		if (removalsPending) {
			ViewHolder holder = changes.get(0).oldHolder;
			ViewCompat.postOnAnimationDelayed(holder.itemView, changer, getRemoveDuration());
		} else {
			changer.run();
		}
	}
}
 

import android.support.v4.view.ViewCompat; //導入方法依賴的package包/類
private void runAddAnimation(boolean removalsPending, boolean changesPending,
							 boolean movesPending, boolean additionsPending) {
	if (additionsPending) {
		final ArrayList<ViewHolder> additions = new ArrayList<>();
		// Sorting addition animations based on it's original layout position
		Collections.sort(mPendingAdditions, new Comparator<ViewHolder>() {
			@Override
			public int compare(ViewHolder vh1, ViewHolder vh2) {
				return vh1.getLayoutPosition() - vh2.getLayoutPosition();
			}
		});
		additions.addAll(mPendingAdditions);
		mAdditionsList.add(additions);
		mPendingAdditions.clear();
		Runnable adder = new Runnable() {
			public void run() {
				int index = 0;
				for (ViewHolder holder : additions) {
					doAnimateAdd(holder, index++);
				}
				additions.clear();
				mAdditionsList.remove(additions);
			}
		};
		if (removalsPending || movesPending || changesPending) {
			long removeDuration = removalsPending ? getRemoveDuration() : 0;
			long moveDuration = movesPending ? getMoveDuration() : 0;
			long changeDuration = changesPending ? getChangeDuration() : 0;
			long totalDelay = removeDuration + Math.max(moveDuration, changeDuration);
			View view = additions.get(0).itemView;
			ViewCompat.postOnAnimationDelayed(view, adder, totalDelay);
		} else {
			adder.run();
		}
	}
}
 

import android.support.v4.view.ViewCompat; //導入方法依賴的package包/類
@Override
public void startDelayed(long delayMillis) {
    View v = viewRef.get();
    if (v != null) {
        ViewCompat.postOnAnimationDelayed(v, this, delayMillis);
    }
}
 

import android.support.v4.view.ViewCompat; //導入方法依賴的package包/類
private void startAnimating() {
    if (this.mRunnable == null) {
        this.mRunnable = new ScrollAnimationRunnable();
    }
    this.mAnimating = true;
    this.mNeedsReset = true;
    if (this.mAlreadyDelayed || this.mActivationDelay <= 0) {
        this.mRunnable.run();
    } else {
        ViewCompat.postOnAnimationDelayed(this.mTarget, this.mRunnable, (long) this.mActivationDelay);
    }
    this.mAlreadyDelayed = true;
}