android - 更改 AlertDialog.Builder 中按钮的颜色

Question

给定一个函数作为

private void showInputDialog() {
    final AlertDialog.Builder alert = new AlertDialog.Builder(getActivity());
    final EditText input = new EditText(getActivity());
    input.setSingleLine();
    FrameLayout container = new FrameLayout(getActivity());
    FrameLayout.LayoutParams params = new  FrameLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT);
    params.leftMargin= convertDpToPx(25);                                       //remember to scale correctly
    params.rightMargin= convertDpToPx(30);
    input.setLayoutParams(params);
    container.addView(input);
    alert.setTitle("Change City");
    alert.setMessage("Hey there, could not find the city you wanted. Please enter a new one:\n");
    alert.setView(container);
    alert.setPositiveButton("Go", new DialogInterface.OnClickListener() {
        @Override
        public void onClick(DialogInterface dialog, int which) {
            changeCity(input.getText().toString());
        }
    });
    alert.setNegativeButton("Cancel", new DialogInterface.OnClickListener() {
        @Override
        public void onClick(DialogInterface dialog, int which) {
            dialog.cancel();
        }
    });
    alert.show();
}

现在，当我在我的应用程序中获得此 AlertDialog.Builder 时，按钮颜色为绿色(Android 5 的默认颜色)，但 EditText 颜色为粉红色(R.color.coloraccent)。如何将按钮的颜色更改为粉红色？

任何帮助将不胜感激

Answer 1

这样试试

alertDialog.show(); 

仅在调用 .show() 之后。试试这个 fragment

//for negative side button
    alertDialog.getButton(dialog.BUTTON_NEGATIVE).setTextColor(neededColor); 
//for positive side button
    alertDialog.getButton(dialog.BUTTON_POSITIVE).setTextColor(neededColor);