需要立即帮助!!该代码过去工作正常,但过了一会儿我注意到评级不再不再工作,并在
alertDialog.show 上给出“指定的 child 已经有 parent ,请先调用 removeView()...” ();`行:
///// Rating bar initialising
Context mContext = ShowActivity.this;
LayoutInflater inflater = (LayoutInflater) mContext.getSystemService(LAYOUT_INFLATER_SERVICE);
layout = inflater.inflate(R.layout.custom_rate_dialog, (ViewGroup) findViewById(R.id.layout_root));
final RatingBar rating_indicator = (RatingBar)findViewById(R.id.rating_bar_cafe_indicator);
final float current_rating = (float)mDbHelper.getInt(mRowId, type, RATE_COLUMN);
rating_indicator.setRating(current_rating);
rateDialogBuilder = new AlertDialog.Builder(ShowActivity.this);
rateDialogBuilder.setView(layout);
rateDialogBuilder.setCancelable(false);
rateDialogBuilder.setIcon(R.drawable.rate_star_med_on);
rateDialogBuilder.setTitle("RATE IT!");
rateDialogBuilder.setPositiveButton("OK", new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int whichButton) {
rating_indicator.setRating(mDbHelper.getInt(mRowId, type, RATE_COLUMN));
((ViewGroup)layout.getParent()).removeView(layout);
dialog.cancel();
}
});
ratingText = (TextView) layout.findViewById(R.id.rate_text);
rating = (RatingBar) layout.findViewById(R.id.rating_bar_cafe);
rating.setRating(current_rating);
rating.setStepSize(1);
rating.setOnRatingBarChangeListener(ShowActivity.this);
if ((int)current_rating != 0) ratingText.setText("Your rating: " + (int)current_rating);
Button rateButton = (Button) findViewById(R.id.button_rate);
rateButton.setOnClickListener(new View.OnClickListener() {
public void onClick(View view) {
AlertDialog alertDialog = rateDialogBuilder.create();
alertDialog.show();
}
});
//////
奇怪的是,如果我在 alertDialog.show();
之前调用 removeAllViews()
或 removeView()
它不会崩溃但打开困惑的对话,我可以在其中看到评级和当前 Activity 或 smth。此外,问题可能出在代码中的其他地方,因为它过去工作正常,有什么想法我应该寻找什么或如何更改它以使其工作?
最佳答案
您遇到的错误是您在将 View
添加到父项后将其添加到父项。
看看你的代码,它看起来像,
layout = inflater.inflate(R.layout.custom_rate_dialog, (ViewGroup) findViewById(R.id.layout_root));
为您添加 custom_rate_dialog
layout_root
。然后,当您执行 rateDialogBuilder.setView(layout);
如果您只是想扩充该布局以将其设置为 Dialog
的 View
,那么只需执行
layout = inflater.inflate(R.layout.custom_rate_dialog, null);
关于android - 指定的 child 在膨胀 View 上已经有父错误,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/8498326/