GitHub

https://github.com.cnpmjs.org/hanlyjiang/AndroidDocumentViewer.git

优化

大于 Android 7.0 时使用 FileProvider 获取 uri

AndroidManifest.xml

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<provider
          android:name="android.support.v4.content.FileProvider"
          android:authorities="${applicationId}.provider"
          android:exported="false"
          tools:replace="android:authorities"
          android:grantUriPermissions="true">
  <meta-data
             tools:replace="android:resource"
             android:name="android.support.FILE_PROVIDER_PATHS"
             android:resource="@xml/provider_paths" />
</provider>

provider_paths.xml

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<?xml version="1.0" encoding="utf-8"?>
<paths xmlns:android="http://schemas.android.com/apk/res/android">
    <external-path path="." name="files_path" />
</paths>
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Uri uri = null;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
  uri = FileProvider.getUriForFile(mActivity, "com.ingcare.vbmapp.FileProvider", file);
} else {
  uri = Uri.fromFile(file);
}
Intent intent = new Intent(Intent.ACTION_VIEW);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_CLEAR_TASK);
intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
intent.setDataAndType(uri, "video/*");
mActivity.startActivity(intent);