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我有一个空的自定义 EditText，我想使用从 ontouch 事件中获得的坐标（x，y）来设置光标位置。无论我触摸哪里，我都应该能够将光标移动到该位置，并且应该能够从那里输入文本。帮帮我...
尝试
Selection.setSelection (Spannable text, int index);