java.lang.NullPointerException: Attempt to read from field 'int android.support.v4.app.Fragment.mCon
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写底部导航切换fragment时,报了这个错:
java.lang.NullPointerException: Attempt to read from field 'int android.support.v4.app.Fragment.mContainerId'
原因:
fragmentTransaction.hide(content)hide的对象不能是空的
解决:
根据实际情况处理:
第一种:先判断,然后在操作
第二种:删了。
3 0
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