在首页装载轮播图后切换底部 fragment报错:
Attempt to invoke virtual method 'int android.widget.LinearLayout.getChildCount()' on a null object reference
核心代码:
private void updateLooperIndicator(int targetPosition) {
for (int i = 0; i < looperPointContainer.getChildCount(); i++) {
View point = looperPointContainer.getChildAt(i);
if(i == targetPosition){
point.setBackgroundResource(R.drawable.shape_indicator_point);
}else{ point.setBackgroundResource(R.drawable.shape_indicator_null);
}
}
}
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