Android Open Source - screen-notifications App Adapter

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From Project

Back to project page screen-notifications.

License

The source code is released under:

GNU General Public License

Java Source Code

/*
 * Copyright 2012 Luke Korth <korth.luke@gmail.com>
 * /*from ww w  . j av  a2  s. c  o  m*/
 * This file is part of Screen Notifications.
 * 
 * Screen Notifications is free software: you can redistribute it and/or modify
 * it under the terms of the GNU General Public License as published by
 * the Free Software Foundation, either version 3 of the License, or
 * (at your option) any later version.
 * 
 * Screen Notifications is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 * 
 * You should have received a copy of the GNU General Public License
 * along with Screen Notifications.  If not, see <http://www.gnu.org/licenses/>.
*/

package com.lukekorth.screennotifications;

import android.content.Context;
import android.content.SharedPreferences;
import android.content.SharedPreferences.Editor;
import android.preference.PreferenceManager;
import android.text.TextUtils;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.CheckBox;
import android.widget.CompoundButton;
import android.widget.CompoundButton.OnCheckedChangeListener;
import android.widget.ImageView;
import android.widget.SectionIndexer;
import android.widget.TextView;

import java.util.ArrayList;

public class AppAdapter extends BaseAdapter implements SectionIndexer {
  
  private LayoutInflater mInflater;
  private SharedPreferences mPrefs;
  private App[] apps;
  private ArrayList<Section> sections;
  
  public AppAdapter(Context context, Data data) {    
    mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
    mPrefs = PreferenceManager.getDefaultSharedPreferences(context);
    
    this.apps = data.apps;
    this.sections = data.sections;
  }
  
  public void uncheckAll() {
    Editor editor = mPrefs.edit();
    
    for(App app : apps) {
      editor.putBoolean(app.packageName, false);
    }
    
    editor.commit();
    notifyDataSetChanged();
  }
  
  public void invertSelection() {
    Editor editor = mPrefs.edit();
    
    for(App app : apps) {
      editor.putBoolean(app.packageName, !mPrefs.getBoolean(app.packageName, true));
    }
    
    editor.commit();
    notifyDataSetChanged();
  }

  @Override
  public int getCount() {
    return apps.length;
  }

  @Override
  public String getItem(int position) {
    return apps[position].name;
  }

  @Override
  public long getItemId(int position) {
    return position;
  }

  @Override
  public int getPositionForSection(int section) {    
    return sections.get(section).startingIndex;
  }

  @Override
  public int getSectionForPosition(int position) {
        if (!TextUtils.isEmpty(apps[position].name))
        return sections.indexOf(new Section(0, apps[position].name.substring(0, 1).toUpperCase()));

        if (position == 0)
            return 0;
        else
            return sections.size();
  }

  @Override
  public Object[] getSections() {    
    return sections.toArray();
  }
  
  @Override
  public View getView(int position, View convertView, ViewGroup parent) {
    ViewHolder holder;
    
    if(convertView == null) {
      convertView = mInflater.inflate(R.layout.app, null);
      holder = new ViewHolder();
      holder.icon = (ImageView) convertView.findViewById(R.id.icon);
      holder.name = (TextView) convertView.findViewById(R.id.name);
      holder.selected = (CheckBox) convertView.findViewById(R.id.selected);
      convertView.setTag(holder);
    } else {
      holder = (ViewHolder) convertView.getTag();
    }
    
    holder.icon.setImageDrawable(apps[position].icon);
    holder.name.setText(apps[position].name);

    final String packageName = apps[position].packageName;
    holder.selected.setOnCheckedChangeListener(new OnCheckedChangeListener() {
      @Override
      public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
        mPrefs.edit().putBoolean(packageName, isChecked).commit();
      }
    });
    
    holder.selected.setChecked(mPrefs.getBoolean(apps[position].packageName, false));
    
    return convertView;
  }
  
  static class ViewHolder {
    ImageView icon;
    TextView name;
    CheckBox selected;
  }

}

Java Source Code List

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