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修复TalkBack下聚焦到TabView时TalkBack不朗读TabView显示的文本
TalkBack是Google推出的Android上的屏幕阅读器。透过TalkBack能让视力受损用户与Android设备上的app交互。当TalkBack聚焦TabView时,缺少contentDescription,TalkBack将不会向用户朗读所聚焦的TabView显示的文本,用户将无法得知所聚焦TabView的含义。
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@@ -666,6 +666,16 @@ public class QMUITabView extends FrameLayout implements IQMUISkinHandlerView {
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onDrawTab(canvas);
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super.draw(canvas);
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}
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@Override
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public void onInitializeAccessibilityNodeInfo(AccessibilityNodeInfo info) {
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super.onInitializeAccessibilityNodeInfo(info);
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// 给每个tab添加文本标签
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// 使得TalkBack等屏幕阅读器focus 到 tab上时可将tab的文本通过TTS朗读出来
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// 这样视力受损用户(如盲人、低、弱视力)就能和widget交互
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info.setContentDescription(mTab.getText());
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}
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protected void onDrawTab(Canvas canvas) {
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if (mTab == null) {
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