Android Open Source - android4tv-example3 Channel List Adapter

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright (C) 2014 iWedia S.A.//  ww w . java 2s. 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.iwedia.adapters;

import android.app.Service;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.TextView;

import com.iwedia.scan.R;

import java.util.ArrayList;

/**
 * Adapter for Channel List GridView.
 */
public class ChannelListAdapter extends BaseAdapter {
    private final String TAG = "ChannelListAdapter";
    private LayoutInflater mLayoutInflater = null;
    private ArrayList<String> mChannelNames = null;

    public ChannelListAdapter(Context context, ArrayList<String> channelNames) {
        mLayoutInflater = (LayoutInflater) context
                .getSystemService(Service.LAYOUT_INFLATER_SERVICE);
        mChannelNames = channelNames;
    }

    @Override
    public int getCount() {
        return mChannelNames.size();
    }

    @Override
    public Object getItem(int position) throws IndexOutOfBoundsException {
        return mChannelNames.get(position);
    }

    @Override
    public long getItemId(int position) {
        return 0;
    }

    @Override
    public View getView(int position, View convertView, ViewGroup parent) {
        ChannelHolder lHolder = null;
        if (null == convertView) {
            convertView = mLayoutInflater.inflate(R.layout.list_item_channel,
                    null);
            lHolder = new ChannelHolder(convertView);
            convertView.setTag(lHolder);
        } else {
            lHolder = (ChannelHolder) convertView.getTag();
        }
        setChannelItemView(position, lHolder);
        return convertView;
    }

    private void setChannelItemView(int position, ChannelHolder holder) {
        holder.getItemChannelName().setText(mChannelNames.get(position));
        holder.getItemChannelNumber().setText(String.valueOf(position + 1));
    }

    /**
     * Holder for GridView Elements.
     */
    private class ChannelHolder {
        private TextView mItemChannelNumber = null;
        private TextView mItemChannelName = null;

        protected ChannelHolder(View view) {
            mItemChannelNumber = (TextView) view
                    .findViewById(R.id.textViewChannelNumber);
            mItemChannelName = (TextView) view
                    .findViewById(R.id.textViewChannelName);
        }

        protected TextView getItemChannelNumber() {
            return mItemChannelNumber;
        }

        protected TextView getItemChannelName() {
            return mItemChannelName;
        }
    }
}

Java Source Code List

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