MediaPlayer に従って SeekBar を更新しています。進行状況を更新するために時々停止し、スタックしてしまい、同じ値を取得しています。(ただし、音は途切れることなく続きます。) これらは私の logcat メッセージです。進行状況を出力します。何故ですか?(Android 4.0以降、Android 2.2を搭載した他の電話ではそのような問題がないことに気付きました)
01-28 16:41:21.446: D/MyMediaPlayer(10342): progress: 56 / 10472
01-28 16:41:21.501: D/MyMediaPlayer(10342): progress: 107 / 10472
01-28 16:41:21.556: D/MyMediaPlayer(10342): progress: 158 / 10472
01-28 16:41:21.610: D/MyMediaPlayer(10342): progress: 209 / 10472
01-28 16:41:21.657: D/MyMediaPlayer(10342): progress: 261 / 10472
01-28 16:41:21.704: D/MyMediaPlayer(10342): progress: 311 / 10472
01-28 16:41:21.759: D/MyMediaPlayer(10342): progress: 362 / 10472
01-28 16:41:21.806: D/MyMediaPlayer(10342): progress: 413 / 10472
01-28 16:41:21.837: D/dalvikvm(307): GC_CONCURRENT freed 1835K, 16% free 19932K/23495K, paused 3ms+12ms, total 101ms
01-28 16:41:21.860: D/MyMediaPlayer(10342): progress: 458 / 10472
01-28 16:41:21.907: D/MyMediaPlayer(10342): progress: 514 / 10472
01-28 16:41:21.962: D/MyMediaPlayer(10342): progress: 565 / 10472
01-28 16:41:22.009: D/MyMediaPlayer(10342): progress: 616 / 10472
01-28 16:41:22.063: D/MyMediaPlayer(10342): progress: 667 / 10472
01-28 16:41:22.118: D/MyMediaPlayer(10342): progress: 718 / 10472
01-28 16:41:22.165: D/MyMediaPlayer(10342): progress: 770 / 10472
01-28 16:41:22.212: D/MyMediaPlayer(10342): progress: 820 / 10472
01-28 16:41:22.267: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:22.313: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:22.368: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:22.415: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:22.470: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:22.524: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:22.571: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:22.626: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:22.673: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:22.727: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:22.774: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:22.829: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:22.884: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:22.931: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:22.985: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:23.032: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:23.087: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:23.142: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:23.188: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:23.243: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:23.290: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:23.345: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:23.392: D/MyMediaPlayer(10342): progress: 2048 / 10472
01-28 16:41:23.454: D/MyMediaPlayer(10342): progress: 2054 / 10472
01-28 16:41:23.501: D/MyMediaPlayer(10342): progress: 2105 / 10472
01-28 16:41:23.556: D/MyMediaPlayer(10342): progress: 2155 / 10472
01-28 16:41:23.602: D/MyMediaPlayer(10342): progress: 2207 / 10472
01-28 16:41:23.657: D/MyMediaPlayer(10342): progress: 2258 / 10472
01-28 16:41:23.712: D/MyMediaPlayer(10342): progress: 2309 / 10472
01-28 16:41:23.751: D/MyMediaPlayer(10342): progress: 2360 / 10472
01-28 16:41:23.813: D/MyMediaPlayer(10342): progress: 2411 / 10472