Merge "Send APKs through safe install path." into nyc-dev

     * Launches an intent to view the specified document.

     */

    private void openDocument(DocumentInfo doc, Model model) {

        // Provide specialized handling of downloaded APKs This sends the APK

        // details off to get extra security information added, and finally

        // to be handled by the package manager.

        if (MimePredicate.isApkType(doc.mimeType)) {

            // First try managing the document; we expect manager to filter

            // based on authority, so we don't grant.

            final Intent manage = new Intent(DocumentsContract.ACTION_MANAGE_DOCUMENT);

            manage.setData(doc.derivedUri);

            try {

                startActivity(manage);

                return;

            } catch (ActivityNotFoundException ex) {

                // fall back to regular handling below.

            }

        }

        Intent intent = new QuickViewIntentBuilder(

                getPackageManager(), getResources(), doc, model).build();

package com.android.documentsui;

import android.annotation.Nullable;

import com.android.documentsui.model.DocumentInfo;

import com.android.internal.util.Predicate;

public class MimePredicate implements Predicate<DocumentInfo> {

    private final String[] mFilters;

    private static final String APK_TYPE = "application/vnd.android.package-archive";

    /**

     * MIME types that are visual in nature. For example, they should always be

     * shown as thumbnails in list mode.

            return false;

        }

    }

    public static boolean isApkType(@Nullable String mimeType) {

        return APK_TYPE.equals(mimeType);

    }

}