private Button.OnClickListener click_aft_bra = new Button.OnClickListener(){ public void onClick(View v){ int index = edit_input.getSelectionStart(); String text="I want to input str"; Editable edit = edit_input.getEditableText(); if (index < 0 || index >= edit_input.length() ){ edit_input.append(text); }else{ edit.insert(index,text); } } };

如上程式碼 請問為何當我按下按鈕時，在EditText欄位上並沒有插入我要插入的字串呢?? 根據光標插入字串

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