Android Open Source - app_list_widget App List Order Adapter

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright 2013 acbelter/*from www.j av  a  2 s.c  o  m*/
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.acbelter.applistwidget.ui;

import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.TextView;
import com.acbelter.applistwidget.R;

import java.util.ArrayList;

public class AppListOrderAdapter extends ArrayAdapter<AppItem> {
    private LayoutInflater mInflater;
    private ArrayList<AppItem> mAppItems;

    public AppListOrderAdapter(Context context, ArrayList<AppItem> appItems) {
        super(context, R.layout.item_app_order, appItems);
        mInflater = (LayoutInflater) context.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
        mAppItems = appItems;
    }

    public ArrayList<AppItem> getApps() {
        return mAppItems;
    }

    static class ViewHolder {
        ImageView icon;
        TextView appName;
        TextView packageName;
        ImageView arrowUp;
        ImageView arrowDown;
    }

    @Override
    public View getView(final int position, View convertView, ViewGroup parent) {
        if (convertView == null) {
            convertView = mInflater.inflate(R.layout.item_app_order, null);

            final ViewHolder holder = new ViewHolder();
            holder.icon = (ImageView) convertView.findViewById(R.id.app_icon);
            holder.appName = (TextView) convertView.findViewById(R.id.app_name);
            holder.packageName = (TextView) convertView.findViewById(R.id.app_package);
            holder.arrowUp = (ImageView) convertView.findViewById(R.id.arrow_up);
            holder.arrowDown = (ImageView) convertView.findViewById(R.id.arrow_down);

            convertView.setTag(holder);
        }

        ViewHolder viewHolder = (ViewHolder) convertView.getTag();
        final AppItem appItem = mAppItems.get(position);
        viewHolder.icon.setImageDrawable(appItem.getIcon());
        viewHolder.appName.setText(appItem.getAppName());
        viewHolder.packageName.setText(appItem.getPackageName());

        viewHolder.arrowUp.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                if (position > 0) {
                    AppItem prev = mAppItems.get(position - 1);
                    mAppItems.set(position - 1, mAppItems.get(position));
                    mAppItems.set(position, prev);
                    notifyDataSetChanged();
                }
            }
        });

        viewHolder.arrowDown.setOnClickListener(new OnClickListener() {
            @Override
            public void onClick(View v) {
                if (position >= 0 && position < mAppItems.size() - 1) {
                    AppItem next = mAppItems.get(position + 1);
                    mAppItems.set(position + 1, mAppItems.get(position));
                    mAppItems.set(position, next);
                    notifyDataSetChanged();
                }
            }
        });

        return convertView;
    }
}

Java Source Code List

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