Android的ProgressBar样式||||||style="?android:attr/progressBarStyleSmall"|||系统预置定义样式的用法是?android:attr/x

1、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

2、对于能够显示文字的控件（如TextView EditText RadioButton Button CheckBox Chronometer等等），有时需要控制字体的大小。Android平台定义了三种字体大小。

"?android:attr/textAppearanceLarge"

"?android:attr/textAppearanceMedium"

"?android:attr/textAppearanceSmall"

使用方法为：

android:textAppearance="?android:attr/textAppearanceLarge"

android:textAppearance="?android:attr/textAppearanceMedium"

android:textAppearance="?android:attr/textAppearanceSmall"

或

style="?android:attr/textAppearanceLarge"

style="?android:attr/textAppearanceMedium"

style="?android:attr/textAppearanceSmall"

3、字体大小

对于能够显示文字的控件（如TextView EditText RadioButton Button CheckBox Chronometer等等），你有时需要控制字体的大小。Android平台定义了三种字体大小。

"?android:attr/textAppearanceLarge"

"?android:attr/textAppearanceMedium"

"?android:attr/textAppearanceSmall"

使用方法为：

android:textAppearance="?android:attr/textAppearanceLarge"

android:textAppearance="?android:attr/textAppearanceMedium"

android:textAppearance="?android:attr/textAppearanceSmall"

或

style="?android:attr/textAppearanceLarge"

style="?android:attr/textAppearanceMedium"

style="?android:attr/textAppearanceSmall"

字体颜色

android:textColor="?android:attr/textColorPrimary"

android:textColor="?android:attr/textColorSecondary"

android:textColor="?android:attr/textColorTertiary"

android:textColor="?android:attr/textColorPrimaryInverse"

android:textColor="?android:attr/textColorSecondaryInverse"

ProgressBar

style="?android:attr/progressBarStyleHorizontal"

style="?android:attr/progressBarStyleLarge"

style="?android:attr/progressBarStyleSmall"

style="?android:attr/progressBarStyleSmallTitle"

更多细节可参考SDK文档的R.attr类。

这个是Android預置定義樣式。不同的版本值是不同的