Created
December 16, 2012 10:22
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Android 4.1 JellyBeanで絵文字が追加されたけど、うまく表示されなかったん。
ちゃんと動くようになったのでここにメモっておく。
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| package net.vvakame.sample; | |
| import java.io.BufferedReader; | |
| import java.io.IOException; | |
| import java.io.InputStream; | |
| import java.io.InputStreamReader; | |
| import java.util.ArrayList; | |
| import java.util.List; | |
| import java.util.regex.Matcher; | |
| import java.util.regex.Pattern; | |
| import android.content.Context; | |
| import android.graphics.Canvas; | |
| import android.graphics.Color; | |
| import android.graphics.Paint; | |
| import android.util.AttributeSet; | |
| import android.util.Log; | |
| import android.view.View; | |
| public class EmojiView extends View { | |
| static final String TAG = RandomEmojiView.class.getSimpleName(); | |
| List<String> mEmojiList; | |
| Paint mPaint; | |
| public EmojiView(Context context) { | |
| super(context); | |
| init(); | |
| } | |
| public EmojiView(Context context, AttributeSet attrs) { | |
| super(context, attrs); | |
| init(); | |
| } | |
| public EmojiView(Context context, AttributeSet attrs, int defStyle) { | |
| super(context, attrs, defStyle); | |
| init(); | |
| } | |
| void init() { | |
| mPaint = new Paint(); | |
| mPaint.setColor(Color.argb(0xff, 0xff, 0x00, 0x00)); | |
| mPaint.setStrokeWidth(1); | |
| mPaint.setTextSize(20); | |
| mPaint.setAntiAlias(true); | |
| mEmojiList = new ArrayList<String>(); | |
| try { | |
| // EmojiSources.txt by | |
| // http://www.unicode.org/Public/6.0.0/ucd/EmojiSources.txt | |
| InputStream is = getContext().getAssets().open("EmojiSources.txt"); | |
| BufferedReader br = new BufferedReader(new InputStreamReader(is)); | |
| String line; | |
| Pattern p = Pattern.compile("^([0-9a-fA-F]+\\s{0,1}[0-9a-fA-F]*);"); | |
| while ((line = br.readLine()) != null) { | |
| Matcher m = p.matcher(line); | |
| if (!m.find()) { | |
| continue; | |
| } | |
| Log.d(TAG, m.group(1)); | |
| String codePoint = m.group(1); | |
| String[] splited = codePoint.split(" "); | |
| if (splited.length == 1) { | |
| int c = Integer.parseInt(splited[0], 16); | |
| String s = new String(new int[] { c }, 0, 1); | |
| mEmojiList.add(s); | |
| } else { | |
| int c1 = Integer.parseInt(splited[0], 16); | |
| int c2 = Integer.parseInt(splited[1], 16); | |
| String s = new String(new int[] { c1, c2 }, 0, 2); | |
| mEmojiList.add(s); | |
| } | |
| } | |
| } catch (IOException e) { | |
| throw new RuntimeException(e); | |
| } | |
| } | |
| @Override | |
| protected void onDraw(Canvas canvas) { | |
| final int delta = 35; | |
| int x = 0; | |
| int y = delta; | |
| for (String emoji : mEmojiList) { | |
| canvas.drawRect(x, y, x + 1, y + 1, mPaint); | |
| canvas.drawText(emoji, x, y, mPaint); | |
| if (delta * 22 < x) { | |
| x = 0; | |
| y += delta; | |
| } else { | |
| x += delta; | |
| } | |
| } | |
| } | |
| } |
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