设置Android应用窗体的显示状态

fenfenxu1989

public final boolean requestWindowFeature (int featureId)

Since: API Level 1

Enable extended window features. This is a convenience for calling getWindow().requestFeature().

设置应用窗体的可扩展性，比如：

requestWindowFeature(Window.FEATURE_LEFT_ICON);

此方法在onCreate()方法中调用，指设置窗体标题右侧可以有一个icon。

Parameters

featureId	The desired feature as defined in Window.

Returns

• Returns true if the requested feature is supported and now enabled.

See Also

• requestFeature(int)

featureId的取值及说明：

int	FEATURE_ACTION_BAR	Flag for enabling the Action Bar.
int	FEATURE_ACTION_BAR_OVERLAY	Flag for requesting an Action Bar that overlays window content.
int	FEATURE_ACTION_MODE_OVERLAY	Flag for specifying the behavior of action modes when an Action Bar is not present.
int	FEATURE_CONTEXT_MENU	Flag for the context menu.
int	FEATURE_CUSTOM_TITLE	Flag for custom title.
int	FEATURE_INDETERMINATE_PROGRESS	Flag for indeterminate progress
int	FEATURE_LEFT_ICON	Flag for having an icon on the left side of the title bar
int	FEATURE_NO_TITLE	Flag for the "no title" feature, turning off the title at the top of the screen.
int	FEATURE_OPTIONS_PANEL	Flag for the "options panel" feature.
int	FEATURE_PROGRESS	Flag for the progress indicator feature
int	FEATURE_RIGHT_ICON	Flag for having an icon on the right side of the title bar