list4.java

Google s android SDK

/* 
 * Copyright (C) 2007 Google Inc.
 *
 * 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.google.android.samples.view;

//Need the following import to get access to the app resources, since this
//class is in a sub-package.
import android.app.ListActivity;
import android.content.Context;
import android.os.Bundle;
import android.view.View;
import android.view.ViewGroup;
import android.widget.BaseAdapter;
import android.widget.LinearLayout;
import android.widget.TextView;


/**
 * A list view example where the data comes from a custom ListAdapter
 */
public class List4 extends ListActivity {

    @Override
    public void onCreate(Bundle icicle) {
        super.onCreate(icicle);

        // Use our own list adapter
        setListAdapter(new SpeechListAdapter(this));
    }


    /**
     * A sample ListAdapter that presents content from arrays of speeches and
     * text.
     * 
     */
    private class SpeechListAdapter extends BaseAdapter {
        public SpeechListAdapter(Context context) {
            mContext = context;
        }

        /**
         * The number of items in the list is determined by the number of speeches
         * in our array.
         * 
         * @see android.widget.ListAdapter#getCount()
         */
        public int getCount() {
            return mTitles.length;
        }

        /**
         * Since the data comes from an array, just returning the index is
         * sufficent to get at the data. If we were using a more complex data
         * structure, we would return whatever object represents one row in the
         * list.
         * 
         * @see android.widget.ListAdapter#getItem(int)
         */
        public Object getItem(int position) {
            return position;
        }

        /**
         * Use the array index as a unique id.
         * 
         * @see android.widget.ListAdapter#getItemId(int)
         */
        public long getItemId(int position) {
            return position;
        }

        /**
         * Make a SpeechView to hold each row.
         * 
         * @see android.widget.ListAdapter#getView(int, android.view.View,
         *      android.view.ViewGroup)
         */
        public View getView(int position, View convertView, ViewGroup parent) {
            SpeechView sv;
            if (convertView == null) {
                sv = new SpeechView(mContext, mTitles[position],
                        mDialogue[position]);
            } else {
                sv = (SpeechView) convertView;
                sv.setTitle(mTitles[position]);
                sv.setDialogue(mDialogue[position]);
            }

            return sv;
        }

        /**
         * Remember our context so we can use it when constructing views.
         */
        private Context mContext;
        
        /**
         * Our data, part 1.
         */
        private String[] mTitles = 
        {
                "Henry IV (1)",   
                "Henry V",
                "Henry VIII",       
                "Richard II",
                "Richard III",
                "Merchant of Venice",  
                "Othello",
                "King Lear"
        };
        
        /**
         * Our data, part 2.
         */
        private String[] mDialogue = 
        {
                "So shaken as we are, so wan with care," +
                "Find we a time for frighted peace to pant," +
                "And breathe short-winded accents of new broils" +
                "To be commenced in strands afar remote." +
                "No more the thirsty entrance of this soil" +
                "Shall daub her lips with her own children's blood;" +
                "Nor more shall trenching war channel her fields," +
                "Nor bruise her flowerets with the armed hoofs" +
                "Of hostile paces: those opposed eyes," +
                "Which, like the meteors of a troubled heaven," +
                "All of one nature, of one substance bred," +
                "Did lately meet in the intestine shock" +
                "And furious close of civil butchery" +
                "Shall now, in mutual well-beseeming ranks," +
                "March all one way and be no more opposed" +
                "Against acquaintance, kindred and allies:" +
                "The edge of war, like an ill-sheathed knife," +
                "No more shall cut his master. Therefore, friends," +
                "As far as to the sepulchre of Christ," +
                "Whose soldier now, under whose blessed cross" +
                "We are impressed and engaged to fight," +
                "Forthwith a power of English shall we levy;" +
                "Whose arms were moulded in their mothers' womb" +
                "To chase these pagans in those holy fields" +
                "Over whose acres walk'd those blessed feet" +
                "Which fourteen hundred years ago were nail'd" +
                "For our advantage on the bitter cross." +
                "But this our purpose now is twelve month old," +
                "And bootless 'tis to tell you we will go:" +
                "Therefore we meet not now. Then let me hear" +
                "Of you, my gentle cousin Westmoreland," +
                "What yesternight our council did decree" +
                "In forwarding this dear expedience.",
                
                "Hear him but reason in divinity," + 
                "And all-admiring with an inward wish" + 
                "You would desire the king were made a prelate:" + 
                "Hear him debate of commonwealth affairs," + 
                "You would say it hath been all in all his study:" + 
                "List his discourse of war, and you shall hear" + 
                "A fearful battle render'd you in music:" + 
                "Turn him to any cause of policy," + 
                "The Gordian knot of it he will unloose," + 
                "Familiar as his garter: that, when he speaks," + 
                "The air, a charter'd libertine, is still," + 
                "And the mute wonder lurketh in men's ears," + 
                "To steal his sweet and honey'd sentences;" + 
                "So that the art and practic part of life" + 
                "Must be the mistress to this theoric:" + 
                "Which is a wonder how his grace should glean it," + 
                "Since his addiction was to courses vain," + 
                "His companies unletter'd, rude and shallow," + 
                "His hours fill'd up with riots, banquets, sports," + 
                "And never noted in him any study," + 
                "Any retirement, any sequestration" + 
                "From open haunts and popularity.",

                "I come no more to make you laugh: things now," +