src/com/android/browser/UploadDialog.java

/*
    * Copyright (c) 2014, The Linux Foundation. All rights reserved.
    *
    * Redistribution and use in source and binary forms, with or without
    * modification, are permitted provided that the following conditions are
    * met:
    * * Redistributions of source code must retain the above copyright
    * notice, this list of conditions and the following disclaimer.
    * * Redistributions in binary form must reproduce the above
    * copyright notice, this list of conditions and the following
    * disclaimer in the documentation and/or other materials provided
    * with the distribution.
    * * Neither the name of The Linux Foundation nor the names of its
    * contributors may be used to endorse or promote products derived
    * from this software without specific prior written permission.
    *
    * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
    * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
    * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
    * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
    * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
    * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
    * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
    * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
    * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
    * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
    * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    *
    */

package com.android.browser;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.ComponentName;
import android.content.Context;
import android.content.DialogInterface;
import android.content.DialogInterface.OnClickListener;
import android.content.Intent;
import android.content.pm.ActivityInfo;
import android.content.pm.ResolveInfo;
import android.content.pm.PackageManager;

import java.util.ArrayList;
import java.util.List;

public class UploadDialog extends AppItem {
    public List<ResolveInfo> apps;
    private Activity activity;
    private List<Intent> uploadIntents;

    public UploadDialog(Activity activity) {
        super(null);
        this.activity = activity;
        this.apps = null;
    }

    public void getUploadableApps(List<Intent> intents) {

        ArrayList<ResolveInfo> uploadApps = new ArrayList<ResolveInfo>();

        PackageManager pm = activity.getPackageManager();

        for (Intent currentIntent: intents) {
            List<ResolveInfo> appsList = pm.queryIntentActivities(currentIntent,
                PackageManager.MATCH_DEFAULT_ONLY);
            for (ResolveInfo res : appsList) {
                uploadApps.add(res);
            }
        }

        this.apps = uploadApps;
        this.uploadIntents = intents;
    }

    public void loadView(final UploadHandler uploadHandler) {

        final AppAdapter adapter = new AppAdapter(activity, activity.getPackageManager(),
                                    R.layout.app_row, this.apps);


        AlertDialog.Builder builderSingle = new AlertDialog.Builder(activity);
        builderSingle.setIcon(R.mipmap.ic_launcher_browser_swe);
        builderSingle.setTitle(activity.getString(R.string.choose_upload));

        builderSingle.setAdapter(adapter, new DialogInterface.OnClickListener() {
            @Override
            public void onClick(DialogInterface dialog, int position) {
                dialog.dismiss();
                Intent chooserIntent = Intent.createChooser(uploadIntents.get(position), "Upload Via");
                uploadHandler.initiateActivity(chooserIntent);
            }
        });


        builderSingle.setOnCancelListener(new DialogInterface.OnCancelListener()
            {
               @Override
                public void onCancel(DialogInterface dialog)
                 {
                    uploadHandler.setHandled(false);
                    dialog.dismiss();
                }
        });

        builderSingle.show();

    }
}