Android Open Source - Campaign-Manager-Code-Sample Retrieve Campaigns Task

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License

The source code is released under:

Apache License

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Java Source Code

package com.microsoft.campaignmanager.tasks;
/*  w w  w .j  av  a 2  s. co  m*/
import java.util.ArrayList;


import com.microsoft.campaignmanager.CampaignApplication;
import com.microsoft.campaignmanager.CampaignManagerActivity;
import com.microsoft.campaignmanager.CampaignManagerActivity.PlaceholderFragment;
import com.microsoft.campaignmanager.adapters.CampaignItemAdapter;
import com.microsoft.campaignmanager.datasource.CampaignItemsDataSource;
import com.microsoft.campaignmanager.viewmodel.CampaignListViewItem;

import android.app.ProgressDialog;
import android.content.Context;
import android.content.pm.ActivityInfo;
import android.os.AsyncTask;
import android.widget.Toast;

public class RetrieveCampaignsTask extends AsyncTask<String, Void, ArrayList<CampaignListViewItem>> {

  /** The m dialog. */
  private ProgressDialog mDialog;

  /** The m context. */
  private Context mContext;

  /** The m activity. */
  private CampaignManagerActivity mActivity;

  private PlaceholderFragment mFragment;

  /** The m source. */
  private CampaignItemsDataSource mSource;

  /** The m application. */
  private CampaignApplication mApplication;

  /** The m throwable. */
  private Throwable mThrowable;

  /** The m stored rotation. */
  private int mStoredRotation;

  private int mSectionNumber;

  public RetrieveCampaignsTask(CampaignManagerActivity activity, PlaceholderFragment fragment, Integer sectionNumber){
    mActivity = activity;
    mFragment = fragment;
    mContext = activity;
    mDialog = new ProgressDialog(mContext);
    mApplication = (CampaignApplication) activity.getApplication();
    mApplication.authenticateToSharePoint(activity);
    mSource = new CampaignItemsDataSource(mApplication);
    mSectionNumber = sectionNumber;
  }

  @Override
  protected void onPreExecute() {
    mStoredRotation = mActivity.getRequestedOrientation();
    mActivity.setRequestedOrientation(ActivityInfo.SCREEN_ORIENTATION_NOSENSOR);

    switch (mSectionNumber) {
    case 1: {
      mDialog.setTitle("Retrieving pending campaigns...");
      break;
    }
    case 2: {
      mDialog.setTitle("Retrieving campaigns in progress...");
      break;

    }
    }
    //mDialog.setTitle("Retrieving campaigns...");
    mDialog.setMessage("Please wait.");
    mDialog.setCancelable(false);
    mDialog.setIndeterminate(true);
    mDialog.show();
  }

  @Override
  protected void onPostExecute(final ArrayList<CampaignListViewItem> campaignItems) {
    if (mDialog.isShowing()) {
      mDialog.dismiss();
      mActivity.setRequestedOrientation(mStoredRotation);
    }
    if (campaignItems != null) {

      CampaignItemAdapter adapter = new CampaignItemAdapter(mActivity, mFragment, campaignItems, mSectionNumber);
      mFragment.setListAdapter(adapter);
      adapter.notifyDataSetChanged();
      Toast.makeText(mContext, "Finished loading campaigns", Toast.LENGTH_LONG).show();
    } else {
      mApplication.handleError(mThrowable);
    }
  }  
  @Override
  protected ArrayList<CampaignListViewItem> doInBackground(String... params) {

    try {
      switch (mSectionNumber){
      case 1: {
        ArrayList<CampaignListViewItem> items = mSource.getCampaignsByStatus("Pending");
        return items;
      }
      case 2: {
        ArrayList<CampaignListViewItem> items = mSource.getCampaignsByStatus("Approved");
        return items;
      }
      default: {
        return null;
      }
      }
    } catch (Exception e){
      mThrowable = e;
      e.printStackTrace();
      return null;
    }
  }
}

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