Spannable.SPAN_PARAGRAPH

Spannable.SPAN_PARAGRAPH

Spannable.SPAN_PARAGRAPHを使ったsample codeは次のとおりです。

public class TextViewActivity extends Activity {
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.main);
        SpannableString ss;
        SpannableStringBuilder ssb;
        BackgroundColorSpan spanRed, spanGreen, spanBlue;
        TextView tv;
        
        ss = new SpannableString("aaa\nbbb\nccc\nddd\n");
        ssb = new SpannableStringBuilder();
        spanRed = new BackgroundColorSpan(0xff880000);
        spanGreen = new BackgroundColorSpan(0xff008800);
        spanBlue = new BackgroundColorSpan(0xff000088);
        ss.setSpan(spanRed, 4, 8, Spannable.SPAN_PARAGRAPH);
        ss.setSpan(spanGreen, 8, 12, Spannable.SPAN_PARAGRAPH);
        ss.setSpan(spanBlue, 12, 16, Spannable.SPAN_PARAGRAPH);
        ssb.append(ss);
        
        spanRed = new BackgroundColorSpan(0xff880000);
        ssb.append("eee\n");
        ssb.setSpan(spanRed, 16, 20, Spannable.SPAN_PARAGRAPH);
        ssb.append("fff\n");
        
        tv = (TextView)findViewById(R.id.TextView);
        tv.setText(ssb);
    }
}

このプログラムを実行すると次のように画面に表示されます。

aaa
bbb
ccc
ddd
eee
fff