{"id":25,"date":"2011-02-13T04:40:36","date_gmt":"2011-02-12T19:40:36","guid":{"rendered":"http:\/\/tech.fuqinho.net\/?p=25"},"modified":"2011-02-13T04:40:36","modified_gmt":"2011-02-12T19:40:36","slug":"android%e5%8b%89%e5%bc%b7%e4%b8%ad","status":"publish","type":"post","link":"https:\/\/tech.fuqinho.net\/?p=25","title":{"rendered":"Android\u52c9\u5f37\u4e2d"},"content":{"rendered":"

\t\t\t\t\u307e\u305a\u306f\u521d\u6b69\u304b\u3089\u2026<\/p>\n

\u3068\u3044\u3046\u3053\u3068\u3067\u3001\u521d\u6b69\u304b\u3089\u308f\u304b\u308bAndroid\u6700\u65b0\u30d7\u30ed\u30b0\u30e9\u30df\u30f3\u30b0<\/a>\"\"\u3092\u8cfc\u5165\u3057\u3066\u9806\u3005\u306bNexus S\u3067\u52d5\u304b\u3057\u306a\u304c\u3089\u52c9\u5f37\u4e2d\u3002
\n\u3053\u306e\u672c\u3059\u3054\u304f\u3044\u3044\u3068\u601d\u3063\u305f\u3093\u3060\u3051\u3069\u3001\u305d\u308c\u306f\u4e3b\u306b\u4ee5\u4e0b\u306e\uff12\u70b9\u3002<\/p>\n

    \n
  1. \u30b5\u30f3\u30d7\u30eb\u306e\u30d7\u30ed\u30b0\u30e9\u30e0\u304c\u7d50\u69cb\u9b45\u529b\u3042\u308b\u3002\u77ed\u3044\u30b3\u30fc\u30c9\u884c\u6570\u306a\u306e\u306b\u7d50\u69cb\u697d\u3057\u3052\u306a\u30a2\u30d7\u30ea\u304c\u3067\u304d\u308b\u306e\u3067\u3001\u65e9\u304f\u81ea\u5206\u3067\u3082\u4f55\u304b\u4f5c\u3063\u3066\u307f\u305f\u304f\u306a\u308b<\/li>\n
  2. \u8aac\u660e\u304c\u4e01\u5be7\u3002\u3057\u304b\u3082\u305d\u306e\u8aac\u660e\u304c\u4e3b\u306b\u30b3\u30fc\u30c9\u4e2d\u306b\u63cf\u3044\u3066\u3042\u308b\u3002\u3042\u307e\u308a\u30b3\u30fc\u30c9\u306b\u7d19\u9762\u3092\u5272\u3044\u3066\u308b\u672c\u306f\u8eab\u69cb\u3048\u3061\u3083\u3046\u4e8b\u304c\u591a\u3044\u3093\u3060\u3051\u3069\u3001\u3053\u308c\u306f\u30bd\u30fc\u30b9\u3067\u306e\u8aac\u660e\u304c\u4e01\u5be7\u306a\u306e\u3067\u3001\u982d\u304b\u3089\u307e\u3063\u3059\u3050\u8aad\u3093\u3067\u3044\u3051\u308b\u30e1\u30ea\u30c3\u30c8\u304c\u5927\u304d\u3044\u3002<\/li>\n<\/ol>\n

    \u3067\u3001\u4eca\u30de\u30eb\u30c1\u30bf\u30c3\u30c1\u306e\u3068\u3053\u308d\u307e\u3067\u8aad\u3093\u3060\u3093\u3060\u3051\u3069\u3001\u3061\u3087\u3063\u3068\u6c17\u306b\u306a\u308b\u70b9\u304c\u2026
    \n\u672c\u306e\u901a\u308a\u306b\u30b3\u30fc\u30c7\u30a3\u30f3\u30b0\u3057\u3066\u3082\u3001\u3069\u3046\u3082\u30de\u30eb\u30c1\u30bf\u30c3\u30c1\u306e\u6642\u306e\u753b\u9762\u306e\u53cd\u5fdc\u304c\u60aa\u3044\u3002\u6c17\u306b\u306a\u3063\u305f\u306e\u306fonTouchEvent()\u5185\u306e\u3053\u3053
    \n[java]
    \n\/\/ \u30bf\u30c3\u30c1\u6570\u3092\u53d6\u5f97
    \nint pointer_count = event.getPointerCount();<\/p>\n

    \/\/ \u30a4\u30d9\u30f3\u30c8\u306e\u7a2e\u985e\u3067\u6761\u4ef6\u5206\u5c90
    \n\/\/ \u30bf\u30c3\u30c1\u3055\u308c\u305f\u6307\u304c\u30b9\u30e9\u30a4\u30c9\u3055\u308c\u305f\u3053\u3068\u3092\u8868\u3059\u30a4\u30d9\u30f3\u30c8
    \nif (action_type == MotionEvent.ACTION_MOVE)
    \n{
    \n \/\/ MOVE\u30a4\u30d9\u30f3\u30c8\u306e\u5834\u5408\u306e\u307f\u3001\u51e6\u7406\u306e\u91cd\u3055\u306b\u5fdc\u3058\u3066
    \n \/\/ \u51e6\u7406\u304c\u30b9\u30ad\u30c3\u30d7\u3055\u308c\u30d2\u30b9\u30c8\u30ea\u30fc\u306b\u4fdd\u5b58\u3055\u308c\u3066\u3044\u308b
    \n \/\/ \u30d2\u30b9\u30c8\u30ea\u30fc\u6570(\u904e\u53bb\u306e\u30a4\u30d9\u30f3\u30c8\u60c5\u5831\u3092\u3069\u308c\u3060\u3051\u4fdd\u5b58\u3057\u3066\u3044\u308b\u304b)\u3092\u53d6\u5f97
    \n int history_count = event.getHistorySize() \/ pointer_count;<\/p>\n

    \/\/ \u30d2\u30b9\u30c8\u30ea\u30fc\u306f\u30a4\u30f3\u30c7\u30c3\u30af\u30b9\u304c\u82e5\u3044\u3082\u306e\u307b\u3069\u53e4\u3044\u306e\u3067\u3001\u53e4\u3044\u9806\u306b\u51e6\u7406\u3059\u308b
    \n for (int i = 0; i < history_count; i++)
    \n {
    \n \/\/ 2\u7b87\u6240\u5206\u306e\u30bf\u30c3\u30c1\u30a4\u30d9\u30f3\u30c8\u3092\u691c\u51fa\u3059\u308b
    \n for (int j = 0; j < 2; j++)
    \n {
    \n int idx = event.findPointerIndex(j);<\/p>\n

    \/\/ \u30bf\u30c3\u30c1\u3055\u308c\u3066\u3044\u306a\u3051\u308c\u3070\u3001findPointerIndex\u304c-1\u3092\u8fd4\u3059
    \n if (idx >= 0)
    \n {
    \n \/\/ \u30bf\u30c3\u30c1\u5ea7\u6a19\u3092\u53d6\u5f97
    \n int x = (int) event.getHistoricalX(idx, i);
    \n int y = (int) event.getHistoricalY(idx, i);
    \n mainView.setTouchXY(j, x, y);
    \n mainView.setTouchFlag(j, true);
    \n }
    \n else
    \n {
    \n mainView.setTouchFlag(j, false);
    \n }
    \n }
    \n }
    \n}
    \n[\/java]
    \n\u3053\u308c\u3001\u3053\u3093\u306a\u611f\u3058\u306b\u3057\u306a\u3044\u3068\u3044\u3051\u306a\u3044\u3093\u3058\u3083\u306a\u3044\u304b\u306a\u3041\u2026
    \n[java]
    \nif (action_type == MotionEvent.ACTION_MOVE) {
    \n \/\/ history\u306b\u8ffd\u3044\u3084\u3089\u308c\u3066\u308bTouch\u30a4\u30d9\u30f3\u30c8\u3092\u51e6\u7406\u3059\u308b
    \n for (int h = 0; h < event.getHistorySize(); h++) {
    \n for (int j = 0; j < 2; j++) {
    \n int idx = event.findPointerIndex(j);
    \n if (idx >= 0) {
    \n int x = (int)event.getHistoricalX(idx, h);
    \n int y = (int)event.getHistoricalY(idx, h);
    \n mainView.setTouchXY(j, x, y);
    \n mainView.setTouchFlag(j, true);
    \n } else {
    \n mainView.setTouchFlag(j, false);
    \n }
    \n }
    \n }
    \n \/\/ \u4eca\u56de\u306eTouch\u30a4\u30d9\u30f3\u30c8\u3092\u51e6\u7406\u3059\u308b
    \n for (int j = 0; j < 2; j++) {
    \n int idx = event.findPointerIndex(j);
    \n if (idx >= 0) {
    \n int x = (int)event.getX(idx);
    \n int y = (int)event.getY(idx);
    \n mainView.setTouchXY(j, x, y);
    \n mainView.setTouchFlag(j, true);
    \n } else {
    \n mainView.setTouchFlag(j, false);
    \n }
    \n }
    \n}
    \n[\/java]
    \nDocument\u306f\u3061\u3083\u3093\u3068\u8aad\u3081\u3066\u306a\u3044\u3051\u3069\u3001\u5b9f\u6a5f\u306e\u6319\u52d5\u898b\u308b\u9650\u308a<\/p>\n