AppBar AppBar 顯示在app的頂部,或者說 頂端欄,對應着 Android 的 Toolbar。如下圖: Flutter AppBar 簡述 Flutter AppBar 簡述 Flutter AppBar 簡述 Flutter AppBar 簡述 #### 顯示标題和傳回按鈕和右側的分享按鈕+彈出框 Flutter AppBar 簡述 Flutter AppBar 簡述