android Dialog的确定按钮点击后不取消对话框

private Dialog modifyNickName() { LayoutInflater factory = LayoutInflater.from(this); final View textEntryView = factory.inflate( R.layout.alert_change_nickname, null); return new AlertDialog.Builder(My.this).setIcon( R.drawable.alert_dialog_icon).setTitle( getString(R.string.change_nickname)).setView(textEntryView) .setPositiveButton(R.string.alert_dialog_setting, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { EditText editNickNameText = (EditText) textEntryView .findViewById(R.id.nickname); String nickName = editNickNameText.getText() .toString(); Toast.makeText( My.this, nickName, Toast.LENGTH_SHORT).show(); Field field; try { field = dialog.getClass() .getSuperclass().getDeclaredField( "mShowing"); field.setAccessible(true); if(nickName == null || nickName.equals("")) { field.set(dialog, false); }else { field.set(dialog, true); } dialog.dismiss(); } catch (SecurityException e) { e.printStackTrace(); } catch (NoSuchFieldException e) { e.printStackTrace(); } catch (IllegalArgumentException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } } }).setNegativeButton(R.string.alert_dialog_cancel, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int whichButton) { Field field; try { field = dialog.getClass() .getSuperclass().getDeclaredField( "mShowing"); field.setAccessible(true); field.set(dialog, true); dialog.dismiss(); } catch (SecurityException e) { e.printStackTrace(); } catch (NoSuchFieldException e) { e.printStackTrace(); } catch (IllegalArgumentException e) { e.printStackTrace(); } catch (IllegalAccessException e) { e.printStackTrace(); } } }).create(); }

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