Android的ProgressBar样式: style="?android:attr/progressBarStyleHorizontal" 长形进度条 style="?android:attr/progressBarStyleLarge" 超大号圆形ProgressBar style="?android:attr/progressBarStyleSmall" 小号圆形ProgressBar style="?android:attr/progressBarStyleSmallTitle" 标题型圆形ProgressBar ...