switch (position){
case 0:
listView.setVisibility(View.VISIBLE);
addTask = bar.addRightTextButton("+", R.id.add_task);
addTask.setOnClickListener(this);
fragment = mFragmensts[0];
break;
case 1:
listView.setVisibility(View.GONE);
bar.removeAllRightViews();
fragment = mFragmensts[1];
break;
case 2:
listView.setVisibility(View.VISIBLE);
addTask_sj = bar.addLeftTextButton("锁机", R.id.add_sj);
addTask_sj.setOnClickListener(this);
fragment = mFragmensts[2];
break;
case 0 和 case 2 跳转到了同一个布局中
#Android