ytRino

package net.nessness.android.sample.listview;

import java.util.ArrayList;
import java.util.HashMap;
import android.app.ListActivity;
import android.os.Bundle;
import android.widget.ListView;
import android.widget.SimpleAdapter;

public class ListViewSampleActivity extends ListActivity {

ytRino

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">

    <item android:state_pressed="true">
        <layer-list>
            <item android:drawable="@drawable/btn_back"/>
            <item android:drawable="@drawable/list_pressed_holo_light"/>
        </layer-list></item>
    <item android:drawable="@drawable/btn_back"></item>

ytRino

                text = client.execute(httpGet, new ResponseHandler<String>() {
                    @Override
                    public String handleResponse(HttpResponse resp)
                            throws ClientProtocolException, IOException {
                        if (resp.getStatusLine().getStatusCode() != HttpStatus.SC_OK) {
                            throw new IOException(resp.getStatusLine().getStatusCode() + "returned.");
                        }
                        HttpEntity entity = resp.getEntity();
                        if (entity != null) {
                            InputStream is = entity.getContent();

ytRino

    527     /**
    528      * Set the descendant focusability of this view group. This defines the relationship
    529      * between this view group and its descendants when looking for a view to
    530      * take focus in {@link #requestFocus(int, android.graphics.Rect)}.
    531      *
    532      * @param focusability one of {@link #FOCUS_BEFORE_DESCENDANTS}, {@link #FOCUS_AFTER_DESCENDANTS},
    533      *   {@link #FOCUS_BLOCK_DESCENDANTS}.
    534      */
    535     public void setDescendantFocusability(int focusability) {
    536         switch (focusability) {

ytRino

FragmentStatePagerで持ってるfragmentはめくっていくとonStopが呼ばれるのでここでよしなにするとよい(かも

ytRino

##ListView読み込み

• 件数指定
• 自動・手動
• 追加ボタン・オーバースクロール
• リストアイテム非同期読み込みとか

##AsyncTask

• 結果のコールバック

ytRino

    public static Twitter getTwitter(Context ctx) {
        InputStream is = null;
        TwitterFactory tf;
        try {
            is = ctx.getResources().getAssets().open("twitter4j.properties");
            PropertyConfiguration conf = new PropertyConfiguration(is);
            tf = new TwitterFactory(conf);
        } catch (IOException e) {
            tf = new TwitterFactory();

ytRino

形式言語理論 3 認識問題

定義とか

• Σ: アルファベット(有限集合)
• Ω = Σ ∪ { [, ]}
• Ω^* : Ω上の語全体からなる集合
• L_p : Ω上の言語 (括弧言語)
  • 基底 : Σの元と空語λ
  • 帰納ステップ : u,vがL_pの元ならば uv と [u] はL_pの元

ytRino

    public static long copyFileStream(FileInputStream is, FileOutputStream os)
            throws IOException {
        FileChannel srcChannel = null;
        FileChannel destChannel = null;
        try {
            srcChannel = is.getChannel();
            destChannel = os.getChannel();
            return srcChannel.transferTo(0, srcChannel.size(), destChannel);
        } finally {

ytRino

    pulic static void logd(String format, Object... args) {
        Log.d(TAG, String.format(Locale.getDefault(), format, args));
    }