如果该应用程序存在,它是否具有开放的API?
nop theres no API to support that, and this is the only way that I Know
Word, Excel, PowerPoint and Adobe PDF files on your Android-powered Smartphone
An app like QuickOffice or Documents To Go comes on every Android I've seen. If it already has the app then the following should work: Android Launching an application chooser with appropriate list of applications
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