ListView "Cannot add header view to list -- setAdapter has already been called."
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在 api 18以前（包含18）
调用addHeaderView 会报错
public void addHeaderView(View v, Object data, boolean isSelectable) { if (mAdapter != null && ! (mAdapter instanceof HeaderViewListAdapter)) { throw new IllegalStateException( "Cannot add header view to list -- setAdapter has already been called."); } 0 0
- ListView "Cannot add header view to list -- setAdapter has already been called."
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- Cannot add header view to list -- setAdapter has already been called.
- Cannot add header view to list setAdapter has already been called
- Cannot add header view to list -- setAdapter has already been called.
- java.lang.IllegalStateException:Cannot add header view to list==setAdapter has already been called.
- Cannot add header view to list -- setAdapter has already been called
- java.lang.IllegalStateException:Cannot add header view to list==setAdapter has already been called.
- java.lang.IllegalStateException: Cannot add header view to list -- setAdapter has already been calle
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