在对话框复选框自定义样式 [英] custom style on dialog checkbox

问题描述

我想格调AlertDialog取悦客户。双方就喜欢蓝色标题栏
Theme.Holo.Light.Dialog但像其他主题的绿色复选框。
这就是我要生产什么：

I'm trying to style an AlertDialog to please a customer. They like the Blue title bar on Theme.Holo.Light.Dialog but like the green checkboxes from another theme. this is what I want to produce:

所以，我已经有了一个样式定义是这样的：

So, I've got a style definitions like this:

<style name="MyDialogTheme" parent="@android:Theme.Holo.Light.Dialog">
            <item name="android:listChoiceIndicatorMultiple">@drawable/checkbox_green</item>
</style> 

<style name="mycheckbox" parent="@android:style/Widget.CompoundButton.CheckBox">
    <item name="android:button">@drawable/checkbox_box</item>

</style>

和我要给checkbox_green的定义如下这只是PNG文件：
    
    

and I've got a definition for checkbox_green as follows which are just PNG files:

<item android:state_checked="false" 
    android:drawable="@drawable/checkbox_unchecked" />

<item android:state_checked="true" 
    android:drawable="@drawable/checkbox_checked"/>

</selector>

和我创建对话框建设者在Java中，像这样一个特定的主题：

and I create my dialog builder with a specific theme in Java like so:

 ContextThemeWrapper ctw = new ContextThemeWrapper( mContext, R.style.MyDialogTheme);
 AlertDialog.Builder builder= new AlertDialog.Builder( ctw );

但我不能得到这个主题，显示绿色复选框，而不是蓝色的对话框。
我得到这个：

But I cannot get the dialog to display green checkboxes instead of the blue in this theme. I get this:

我可以继续前进，创建一个完整的布局，然后使用这样的：

I could go ahead and create an entire layout and then use that like this:

 AlertDialog shareDialog  = new AlertDialog.Builder(mContext).create();
 LayoutInflater inflater = MainActivity.this.getLayoutInflater();

 View dialogView = null;
 dialogView = inflater.inflate(R.layout.share, (ViewGroup) getCurrentFocus());
 shareDialog.setView(dialogView);

但需要造型的所有对话框，而不仅仅是checkboxes.It似乎非常简单的，只是重新风格的复选框，但我无法使这项工作。

but that requires styling all of the dialog, not just the checkboxes.It seems so much simpler to just re-style the checkboxes but I'm not able to make that work.

我必须做什么，除了建立一个完整的布局，并用它来获得绿色复选框，而不是蓝色的？

what must I do, other than to create a complete layout and use to get the green checkboxes rather than the blue?

推荐答案

其实，你可以改变复选框中多选择对话框中。

Actually, you CAN change the checkbox inside a multi-choice dialog.

您需要自定义适配器为您的对话，这样才能有机会获得名单的意见。
然后，您调用方法<一href=\"http://developer.android.com/reference/android/widget/CheckedTextView.html#setCheckMarkDrawable%28android.graphics.drawable.Drawable%29\"相对=nofollow> setCheckMarkDrawable 类CheckedTextView的。

You need a custom adapter for your dialog, so as to have access to the views of the list. Then, you call method setCheckMarkDrawable of class CheckedTextView.

下面是一个例子：

文件 default_checkbox.xml 水库内/绘制

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">  

    <item android:state_checked="true"
        android:drawable="@drawable/checkbox_checked" /> <!-- checked -->

    <item android:state_pressed="true"
        android:drawable="@drawable/checkbox_checked" /> <!-- pressed -->

    <item android:drawable="@drawable/checkbox_default" /> <!-- default -->

</selector>

文件 DialogUtil.java

package example.dialog;

import android.app.AlertDialog;
import android.content.Context;
import android.util.Log;
import android.view.*;
import android.widget.*;
import android.widget.AdapterView.OnItemClickListener;

public class DialogUtil {

    private DialogUtil() {
    }

    public static AlertDialog show(Context context) {
        String[] items = {"text 1", "text 2", "text 3"};
        AlertDialog.Builder builder = new AlertDialog.Builder(context);
        builder.setTitle("Test")
            .setPositiveButton("OK", null)
            .setAdapter(new CustomAdapter(context, items), null);
        AlertDialog dialog = builder.show();

        ListView list = dialog.getListView();
        list.setItemsCanFocus(false);
        list.setChoiceMode(ListView.CHOICE_MODE_MULTIPLE);
        list.setOnItemClickListener(listener);
        return dialog;
    }

    private static OnItemClickListener listener = new OnItemClickListener() {

        @Override
        public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
            Log.i("DialogUtil", "Clicked on " + view);
        }
    };

    private static class CustomAdapter extends ArrayAdapter<String> {

        public CustomAdapter(Context context, String[] array) {
            super(context, android.R.layout.simple_list_item_multiple_choice, array);
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            View view = super.getView(position, convertView, parent);
            if (view instanceof CheckedTextView) {
                CheckedTextView checkedView = (CheckedTextView) view;
                checkedView.setCheckMarkDrawable(R.drawable.default_checkbox);
            }
            return view;
        }
    }
}

注意：如果您简单地使用 AlertDialog ，然后获取的ListView之前，你叫显示，首先，如上所述。

NOTE: If you simply use AlertDialog, then before getting the ListView, you call show, firstly, like explained above.

不过，如果你使用 DialogFragment 和 onCreateDialog ，那么你得到的的ListView ，里面的在onStart 。

However, if you use DialogFragment and onCreateDialog, then you get the ListView, inside onStart.

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