Android Open Source - rights-alert Applist Activity

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From Project

Back to project page rights-alert.

License

The source code is released under:

GNU General Public License

Java Source Code

package fr.keuse.rightsalert.activity;
/*w w w  .j ava  2  s. c o m*/
import java.util.ArrayList;

import fr.keuse.rightsalert.R;
import fr.keuse.rightsalert.adapter.ApplistAdapter;
import fr.keuse.rightsalert.entity.ApplicationEntity;
import fr.keuse.rightsalert.handler.LoadApplicationsHandler;
import fr.keuse.rightsalert.helper.Score;
import fr.keuse.rightsalert.preference.RightsalertPreference;
import fr.keuse.rightsalert.thread.LoadApplicationsThread;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.text.method.LinkMovementMethod;
import android.view.Menu;
import android.view.MenuInflater;
import android.view.MenuItem;
import android.view.View;
import android.widget.ListView;
import android.widget.TextView;

public class ApplistActivity extends Activity implements DialogInterface.OnCancelListener, DialogInterface.OnClickListener {
  private final static int PREFERENCE_ACTIVITY_CODE = 1;
  
  private ProgressDialog progress;
  private static LoadApplicationsThread thread;
  private ArrayList<ApplicationEntity> applications;
  private ApplistAdapter adapter;
  private TextView count;
  
    @SuppressWarnings("unchecked")
  @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.applist);
        
        count = (TextView) findViewById(R.id.applist_count);
        ListView list = (ListView) findViewById(R.id.applist_list);
        
        progress = new ProgressDialog(this);
        
        applications = (ArrayList<ApplicationEntity>) getLastNonConfigurationInstance();
        if(applications == null)
          applications = new ArrayList<ApplicationEntity>();
        
        adapter = new ApplistAdapter(this, applications);
        list.setAdapter(adapter);
        
        if(applications.size() == 0) {
          loadApplications();
        } else {
          refreshView();
        }
    }

  @Override
  public boolean onCreateOptionsMenu(Menu menu) {
    MenuInflater inflater = getMenuInflater();
    inflater.inflate(R.menu.main, menu);
    return super.onCreateOptionsMenu(menu);
  }

  @Override
  public boolean onOptionsItemSelected(MenuItem item) {
    switch(item.getItemId()) {
    case R.id.menu_settings:
      Intent intent = new Intent(this, RightsalertPreference.class);
      startActivityForResult(intent, PREFERENCE_ACTIVITY_CODE);
      break;
    case R.id.menu_about:
      AlertDialog.Builder alert = new AlertDialog.Builder(this);
      View alertView = getLayoutInflater().inflate(R.layout.about, null);
      TextView codesite = (TextView) alertView.findViewById(R.id.about_codesite);
      codesite.setMovementMethod(LinkMovementMethod.getInstance());
      TextView translation = (TextView) alertView.findViewById(R.id.about_translation);
      translation.setMovementMethod(LinkMovementMethod.getInstance());
      alert.setView(alertView);
      alert.setNeutralButton(android.R.string.ok, null);
      alert.create().show();
      break;
    }
    return super.onOptionsItemSelected(item);
  }

  @Override
  protected void onActivityResult(int requestCode, int resultCode, Intent data) {
    super.onActivityResult(requestCode, resultCode, data);
    switch(requestCode) {
    case PREFERENCE_ACTIVITY_CODE:
      applications.clear();
      loadApplications();
    }
  }

  @Override
  protected void onDestroy() {
    super.onDestroy();
    if(progress.isShowing())
      progress.dismiss();
  }

  @Override
  public Object onRetainNonConfigurationInstance() {
    return applications;
  }

  public void onClick(DialogInterface dialog, int which) {
    switch(which) {
    case DialogInterface.BUTTON_NEGATIVE:
      onCancel(dialog);
    }
  }

  public void onCancel(DialogInterface dialog) {
    thread.interrupt();
    progress.dismiss();
    finish();
  }
  
  public void loadApplications() {
    PackageManager pm = getPackageManager();
        
        progress.setProgress(0);
        progress.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
        progress.setTitle(getString(R.string.applist_loading));
        progress.setMessage(getString(R.string.applist_loading));
        progress.setButton(DialogInterface.BUTTON_NEGATIVE, getString(R.string.applist_cancel), this);
        progress.setOnCancelListener(this);
    
        LoadApplicationsHandler handler = new LoadApplicationsHandler(progress, this, applications);
        
        if(thread == null || !thread.isAlive()) {
          SharedPreferences preferences = PreferenceManager.getDefaultSharedPreferences(getBaseContext());
          Score.setPreferences(preferences);
          thread = new LoadApplicationsThread(pm, preferences);
          thread.start();
        }
        thread.setHandler(handler);
      thread.sendOpenPopup();
  }
  
  public void refreshView() {
    adapter.notifyDataSetChanged();
    count.setText(getString(R.string.applist_count, applications.size()));
  }
}

Java Source Code List

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