在android studio中更改警报对话框中肯定按钮的颜色

<style name="AlertDialogTheme" parent="Theme.AppCompat.Light.Dialog.Alert">
    <item name="colorAccent">@color/your_color</item>
</style>

<application
    ...
    android:theme="@style/AlertDialogTheme">
    ...
</application>

AlertDialog.Builder builder = new AlertDialog.Builder(context, R.style.AlertDialogTheme);
builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
    @Override
    public void onClick(DialogInterface dialog, int which) {
        // 点击确定按钮的逻辑处理
    }
});