- 获取光标位置
int index = editText.getSelectionStart();
- 在光标处插入字符
int index = editText.getSelectionStart();
Editable editable = editText.getText();
editable.insert(index, "aaaa");
- 删除光标前字符
int index = editText.getSelectionStart();
Editable editable = editText.getText();
editable.delete(index-1, index);