java.lang.IllegalStateException: Activity has been destroyed

java.lang.IllegalStateException: Activity has been destroyed

FragmentManager.java

     @Override
    public void popBackStack(final int id, final int flags) {
        if (id < 0) {
            throw new IllegalArgumentException("Bad id: " + id);
        }
        enqueueAction(new Runnable() {
            @Override public void run() {
                popBackStackState(mHost.getHandler(), null, id, flags);
            }
        }, false);
    }


    /**
     * Adds an action to the queue of pending actions.
     *
     * @param action the action to add
     * @param allowStateLoss whether to allow loss of state information
     * @throws IllegalStateException if the activity has been destroyed
     */
    public void enqueueAction(Runnable action, boolean allowStateLoss) {
        if (!allowStateLoss) {
            checkStateLoss();
        }
        synchronized (this) {
            if (mDestroyed || mHost == null) {
                throw new IllegalStateException("Activity has been destroyed");
            }
            if (mPendingActions == null) {
                mPendingActions = new ArrayList<Runnable>();
            }
            mPendingActions.add(action);
            if (mPendingActions.size() == 1) {
                mHost.getHandler().removeCallbacks(mExecCommit);
                mHost.getHandler().post(mExecCommit);
            }
        }
    }

1.解決辦法不要再Activity 銷燬onDestroy()之後進行對FragmentManager進行操作。對fragment的移除操作可以在 super.onDestroy()之前進行。