编辑我试图搜索TalkBack代码,然后我找到了。but calling cursor.moveToFirst() returns false, which means the cursor is empty尽管如此,如果游标为空,我们如何知道TalkBack编辑2遵循@JoxTraex建议,我现在发送一个广播来询问是否启用了TalkBack:i.setAction("com.google.android.marvin.talkback.ACTION_QU
在辅助功能模式下,使用TalkBack,当用户双击按钮时,我将按钮的文本更改为停止,所以我必须以某种方式向TalkBack说明发生了这种情况。AccessibilityNodeInfo.ACTION_CLEAR_ACCESSIBILITY_FOCUS, null);
// This works for the focus but doesn't make TalkBackbutton.performAccessibilityAction(AccessibilityNodeInfo.ACTION_ACCESSI