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善用Android预定义样式

2010-12-02 15:41 by RayLee, ... 阅读, ... 评论, 收藏, 编辑

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"

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"

分隔符

横向:

<View android:layout_width="fill_parent"
      android:layout_height="1dip"
      android:background="?android:attr/listDivider" />

纵向:

<View android:layout_width="1dip"
      android:layout_height="fill_parent"
      android:background="?android:attr/listDivider" />

CheckBox

style="?android:attr/starStyle"

类似标题栏效果的TextView

style="?android:attr/listSeparatorTextViewStyle"

其它有用的样式

android:layout_height="?android:attr/listPreferredItemHeight"

android:paddingRight="?android:attr/scrollbarSize"

style="?android:attr/windowTitleBackgroundStyle"

style="?android:attr/windowTitleStyle"

android:layout_height="?android:attr/windowTitleSize"

android:background="?android:attr/windowBackground"

更多细节可参考SDK文档的R.attr类。