我試圖在章節中將epub文件加載到webview中。我想知道屏幕的寬度。 例如: if the content have one and half page text means it returns the width to be as 768
but
if the content have two full page text means it returns the width to b
可能重複: How do I launch iBooks e-reader programmatically on iPad? 雖然對這一問題的回答如何從一個應用程序 open iBooks from my app 推出的iBooks但我需要從一個應用程序啓動特定的iBook 。它應該打開iBooks,然後打開特定的iBook。這可以做到嗎?