Skip to content
体验新版
项目
组织
正在加载...
登录
切换导航
打开侧边栏
sxychenjing
engine
提交
a5215ce5
E
engine
项目概览
sxychenjing
/
engine
与 Fork 源项目一致
从无法访问的项目Fork
通知
3
Star
0
Fork
0
代码
文件
提交
分支
Tags
贡献者
分支图
Diff
Issue
0
列表
看板
标记
里程碑
合并请求
0
Wiki
0
Wiki
分析
仓库
DevOps
项目成员
Pages
E
engine
项目概览
项目概览
详情
发布
仓库
仓库
文件
提交
分支
标签
贡献者
分支图
比较
Issue
0
Issue
0
列表
看板
标记
里程碑
合并请求
0
合并请求
0
Pages
分析
分析
仓库分析
DevOps
Wiki
0
Wiki
成员
成员
收起侧边栏
关闭侧边栏
动态
分支图
创建新Issue
提交
Issue看板
前往新版Gitcode,体验更适合开发者的 AI 搜索 >>
未验证
提交
a5215ce5
编写于
8月 06, 2018
作者:
J
Jonah Williams
提交者:
GitHub
8月 06, 2018
浏览文件
操作
浏览文件
下载
电子邮件补丁
差异文件
Add hasImplicitScrolling SemanticFlag and support in Android bridge (#5941)
上级
4681351a
变更
2
隐藏空白更改
内联
并排
Showing
2 changed file
with
24 addition
and
3 deletion
+24
-3
lib/ui/semantics.dart
lib/ui/semantics.dart
+13
-0
shell/platform/android/io/flutter/view/AccessibilityBridge.java
...platform/android/io/flutter/view/AccessibilityBridge.java
+11
-3
未找到文件。
lib/ui/semantics.dart
浏览文件 @
a5215ce5
...
...
@@ -279,6 +279,7 @@ class SemanticsFlag {
static
const
int
_kIsLiveRegionIndex
=
1
<<
15
;
static
const
int
_kHasToggledStateIndex
=
1
<<
16
;
static
const
int
_kIsToggledIndex
=
1
<<
17
;
static
const
int
_kHasImplicitScrollingIndex
=
1
<<
18
;
const
SemanticsFlag
.
_
(
this
.
index
);
...
...
@@ -465,6 +466,15 @@ class SemanticsFlag {
/// * [SemanticsFlag.hasToggledState], which enables a toggled state.
static
const
SemanticsFlag
isToggled
=
const
SemanticsFlag
.
_
(
_kIsToggledIndex
);
/// Whether the platform can scroll the semantics node when the user attempts
/// to move focus to an offscreen child.
///
/// For example, a [ListView] widget has implicit scrolling so that users can
/// easily move to the next visible set of children. A [TabBar] widget does
/// not have implicit scrolling, so that users can navigate into the tab
/// body when reaching the end of the tab bar.
static
const
SemanticsFlag
hasImplicitScrolling
=
const
SemanticsFlag
.
_
(
_kHasImplicitScrollingIndex
);
/// The possible semantics flags.
///
/// The map's key is the [index] of the flag and the value is the flag itself.
...
...
@@ -487,6 +497,7 @@ class SemanticsFlag {
_kIsLiveRegionIndex:
isLiveRegion
,
_kHasToggledStateIndex:
hasToggledState
,
_kIsToggledIndex:
isToggled
,
_kHasImplicitScrollingIndex:
hasImplicitScrolling
,
};
@override
...
...
@@ -528,6 +539,8 @@ class SemanticsFlag {
return
'SemanticsFlag.hasToggledState'
;
case
_kIsToggledIndex:
return
'SemanticsFlag.isToggled'
;
case
_kHasImplicitScrollingIndex:
return
'SemanticsFlag.hasImplicitScrolling'
;
}
return
null
;
}
...
...
shell/platform/android/io/flutter/view/AccessibilityBridge.java
浏览文件 @
a5215ce5
...
...
@@ -92,7 +92,8 @@ class AccessibilityBridge
IS_IMAGE
(
1
<<
14
),
IS_LIVE_REGION
(
1
<<
15
),
HAS_TOGGLED_STATE
(
1
<<
16
),
IS_TOGGLED
(
1
<<
17
);
IS_TOGGLED
(
1
<<
17
),
HAS_IMPLICIT_SCROLLING
(
1
<<
18
);
Flag
(
int
value
)
{
this
.
value
=
value
;
...
...
@@ -256,8 +257,15 @@ class AccessibilityBridge
||
object
.
hasAction
(
Action
.
SCROLL_RIGHT
)
||
object
.
hasAction
(
Action
.
SCROLL_DOWN
))
{
result
.
setScrollable
(
true
);
// This tells Android's a11y to send scroll events when reaching the end of
// the visible viewport of a scrollable.
result
.
setClassName
(
"android.widget.ScrollView"
);
// the visible viewport of a scrollable, unless the node itself does not
// allow implicit scrolling - then we leave the className as view.View.
if
(
object
.
hasFlag
(
Flag
.
HAS_IMPLICIT_SCROLLING
))
{
if
(
object
.
hasAction
(
Action
.
SCROLL_LEFT
)
||
object
.
hasAction
(
Action
.
SCROLL_RIGHT
))
{
result
.
setClassName
(
"android.widget.HorizontalScrollView"
);
}
else
{
result
.
setClassName
(
"android.widget.ScrollView"
);
}
}
// TODO(ianh): Once we're on SDK v23+, call addAction to
// expose AccessibilityAction.ACTION_SCROLL_LEFT, _RIGHT,
// _UP, and _DOWN when appropriate.
...
...
编辑
预览
Markdown
is supported
0%
请重试
或
添加新附件
.
添加附件
取消
You are about to add
0
people
to the discussion. Proceed with caution.
先完成此消息的编辑!
取消
想要评论请
注册
或
登录