android:layout_width="match_parent" 里为什么总是提示match_parent的类型不匹配
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你用的SDK版本是多少？
你的版本太低了要2.2才可以用match_paren，你只能用fill_parent
fill_parent -1 The view should be as big as its parent (minus padding). This constant is deprecated starting from API Level 8 and is replaced by match_parent.
match_parent -1 The view should be as big as its parent (minus padding). Introduced in API Level 8.
wrap_content -2 The view should be only big enough to enclose its content (plus padding).
你的版本太低了要2.2才可以用match_paren，你只能用fill_parent
fill_parent -1 The view should be as big as its parent (minus padding). This constant is deprecated starting from API Level 8 and is replaced by match_parent.
match_parent -1 The view should be as big as its parent (minus padding). Introduced in API Level 8.
wrap_content -2 The view should be only big enough to enclose its content (plus padding).
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