StackOverflow2013

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2013-12-07T07:09:22.283
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The bad news: there is no built-in (SDK level) preview component/View for you to use. The good news: Android supports Intents that allow you to leverage other apps to do the work for you and return a selected file with a requested file type. There are a few things that you can do depends on your targets: <ol> <li>API 19+: On device with API 19, you should use the Storage Access Framework (<a href="https://developer.android.com/guide/topics/providers/document-provider.html">https://developer.android.com/guide/topics/providers/document-provider.html</a>) All the previews etc will be done on the responding app. You will be looking at using Intent.ACTION_OPEN_DOCUMENT. </li> <li>For older devices: There is an intent that you can use with optional file type and category you can use. This will open either a built-in file selector OR a third party app. <pre><code>Intent intent = new Intent(); intent.setType("image/*"); intent.setAction(Intent.ACTION_GET_CONTENT); intent.addCategory(Intent.CATEGORY_OPENABLE); startActivityForResult(intent, REQUEST_CODE); </code></pre> **Note you could create a Intent chooser here.</li> <li>For devices that do not have any app that can respond to the Intent: You can either bundle something prebuilt (<a href="https://code.google.com/p/android-file-dialog/">https://code.google.com/p/android-file-dialog/</a>) or depending on the file type, you can query the content database for media files and display them yourself with a nice UI. </li> </ol> Additional Reference on how to use Intents and how it works: <a href="http://developer.android.com/guide/components/intents-filters.html">http://developer.android.com/guide/components/intents-filters.html</a>
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1. POWhat is the counterpart of iOS' QLPreviewController or UIDocumentInteractionController on Android?
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1. POWhat is the counterpart of iOS' QLPreviewController or UIDocumentInteractionController on Android?
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