Android Open Source - listmyaps List Task

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License

The source code is released under:
Apache License
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Java Source Code

package de.onyxbits.listmyapps;
//w  w w. j  a  v a  2  s .c o  m
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Iterator;
import java.util.List;

import android.content.SharedPreferences;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.os.AsyncTask;
import android.app.ListActivity;

/**
 * Query the packagemanager for a list of all installed apps that are not system
 * apps. Populate a listview with the result.
 * 
 * @author patrick
 * 
 */
public class ListTask extends
    AsyncTask<Object, Object, ArrayList<SortablePackageInfo>> {

  private ListActivity listActivity;
  private int layout;

  /**
   * New task
   * 
   * @param listActivity
   *          the activity to report back to
   * @param layout
   *          layout id to pass to the AppAdaptier
   */
  public ListTask(ListActivity listActivity, int layout) {
    this.listActivity = listActivity;
    this.layout = layout;
  }

  @Override
  protected ArrayList<SortablePackageInfo> doInBackground(Object... params) {
    SharedPreferences prefs = listActivity.getSharedPreferences(
        MainActivity.PREFSFILE, 0);
    ArrayList<SortablePackageInfo> ret = new ArrayList<SortablePackageInfo>();
    PackageManager pm = listActivity.getPackageManager();
    List<PackageInfo> list = pm.getInstalledPackages(0);
    SortablePackageInfo spitmp[] = new SortablePackageInfo[list.size()];
    Iterator<PackageInfo> it = list.iterator();
    AnnotationsSource aSource = new AnnotationsSource(listActivity);
    aSource.open();
    int idx = 0;
    while (it.hasNext()) {
      PackageInfo info = it.next();
      try {
        ApplicationInfo ai = pm.getApplicationInfo(info.packageName, 0);
        if ((ai.flags & ApplicationInfo.FLAG_SYSTEM) != ApplicationInfo.FLAG_SYSTEM
            && (ai.flags & ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) != ApplicationInfo.FLAG_UPDATED_SYSTEM_APP) {
          spitmp[idx] = new SortablePackageInfo();
          spitmp[idx].packageName = info.packageName;
          spitmp[idx].displayName = pm
              .getApplicationLabel(info.applicationInfo).toString();
          spitmp[idx].installer = pm.getInstallerPackageName(info.packageName);
          spitmp[idx].appInfo = ai;
          spitmp[idx].versionCode = info.versionCode;
          spitmp[idx].version = info.versionName;
          spitmp[idx].firstInstalled = info.firstInstallTime;
          spitmp[idx].lastUpdated = info.lastUpdateTime;
          spitmp[idx].uid = info.applicationInfo.uid;
          spitmp[idx].dataDir = info.applicationInfo.dataDir;
          spitmp[idx].comment = aSource.getComment(info.packageName);
          spitmp[idx].tags=aSource.getTags(info.packageName);
          spitmp[idx].targetsdk = ai.targetSdkVersion;
          idx++;
        }
      }
      catch (NameNotFoundException exp) {
      }
    }
    // Reminder: the copying is necessary because we are filtering away the
    // system apps.
    SortablePackageInfo spi[] = new SortablePackageInfo[idx];
    System.arraycopy(spitmp, 0, spi, 0, idx);
    Arrays.sort(spi);
    for (int i = 0; i < spi.length; i++) {
      spi[i].selected = prefs.getBoolean(MainActivity.SELECTED + "."
          + spi[i].packageName, false);
      ret.add(spi[i]);
    }
    return ret;
  }
  
  @Override
  protected void onPreExecute() {
    listActivity.setProgressBarIndeterminate(true);
    listActivity.setProgressBarVisibility(true);
  }

  @Override
  protected void onPostExecute(ArrayList<SortablePackageInfo> result) {
    super.onPostExecute(result);
    listActivity.setListAdapter(new AppAdapter(listActivity, layout, result,
        layout));
    listActivity.setProgressBarIndeterminate(false);
    listActivity.setProgressBarVisibility(false);
  }

}
Java Source Code List
