开源代码

AlertDialogPro

介绍：

在安卓中要改变AlertDialog的外观是非常不容易的事情，即便是HoneyComb之后增加了android:singleChoiceItemLayout属性。AlertDialogPro可以让事情变得简单，它包含了AlertDialog的所有功能，同时还具有灵活的自定义功能，代码中还自带了已经定义好的holo和material 两种风格的对话框。

运行效果：

使用说明：

holomtrlflavored-mtrlflavored-mtrl

1.创建AlertDialogPro

除了将AlertDialog.Builder替换成AlertDialogPro.Builder之外其他的和AlertDialog没有区别。

AlertDialogPro.Builder builder = new AlertDialogPro.Builder(getContext());
builder.setTitle("Title").
       setIcon(R.drawable.ic_launcher).
       setMessage("Message").
       setNeutralButton("Neutral", null).
       setPositiveButton("OK", null).
       setNegativeButton("Cancel", null).
       show();

2.holo风格的dialog

包含两种holo：

Theme.AlertDialogPro.Holo``和Theme.AlertDialogPro.Holo.Light

只需在style文件中加入`alertDialogProTheme`属性：

<style name="AppTheme" parent="AppBaseTheme">
  ...
  <!-- Use Holo dark theme as global theme of this app -->
  <item name="alertDialogProTheme">@style/Theme.AlertDialogPro.Holo</item>
</style>

或者是在代码中创建dialog的时候设置：

AlertDialogPro.Builder builder = new AlertDialogPro.Builder(getContext(), R.style.Theme_AlertDialogPro_Holo_Light);

3.`` `Material` ``风格的dialog

`包含Theme.AlertDialogPro.Material` 和`Theme.AlertDialogPro.Material.Light` 两种风格，使用方法和上面的holo差不多，但是需要AppCompat-v21的支持。

4.自定义

如果其中某一种风格符合你的绝大部分需求，但是需要做些改动，你可以设置以下属性:

<!-- Minimum height of title panel-->
<attr name="adpTitleMinHeight" format="dimension" />
<!-- The text appearance for the dialog's message text -->
<attr name="adpMessageTextAppearance" format="reference" />
<!-- Minimum height of ListView's items -->
<attr name="adpListItemMinHeight" format="dimension" />
<!-- The text color for ListView's items -->
<attr name="adpListItemTextColor" format="reference|color" />
<!-- The text appearance for normal ListView's items -->
<attr name="adpListItemTextAppearance" format="reference" />
<!-- The text appearance for "multi-choice" ListView's items -->
<attr name="adpListMultiChoiceTextAppearance" format="reference" />
<!-- The text appearance for "single-choice" ListView's items -->
<attr name="adpListSingleChoiceTextAppearance" format="reference" />
<!-- Divider for the ListView -->
<attr name="adpListDivider" format="reference" />
<!-- Selector in a ListView -->
<attr name="adpListItemBackground" format="reference" />
<!-- Style for button bars -->
<attr name="adpButtonBarStyle" format="reference" />
<!-- Style for buttons within button bars -->
<attr name="adpButtonBarButtonStyle" format="reference" />
<!-- Style for the "positive" buttons within button bars -->
<attr name="adpButtonBarPositiveButtonStyle" format="reference" />
<!-- Style for the "negative" buttons within button bars -->
<attr name="adpButtonBarNegativeButtonStyle" format="reference" />
<!-- Style for the "neutral" buttons within button bars -->
<attr name="adpButtonBarNeutralButtonStyle" format="reference" />

你甚至可以设置alertdialog的整个布局，如果你需要的是高度自定义的dialog，这是非常重要的。

<style name="AlertDialogPro.Material">
  <!-- As HoneyComb's android:layout.
       Specify your AlertDialogPro's layout -->
  <item name="adpLayout">@layout/adp_alert_dialog_material</item>
  <!-- As HoneyComb's android:listLayout.
       Specify your AlertDialogPro's ListView layout. -->
  <item name="adpListLayout">@layout/adp_select_dialog_material</item>
  <!-- As HoneyComb's android:listItemLayout.
       Specify your AlertDialogPro's list item layout. -->
  <item name="adpListItemLayout">@layout/adp_select_dialog_item_material</item>
  <!-- As HoneyComb's android:multiChoiceItemLayout.
       Specify your AlertDialogPro's multi choice list item layout. -->
  <item name="adpMultiChoiceItemLayout">@layout/adp_select_dialog_multichoice_material</item>
  <!-- As HoneyComb's android:singleChoiceItemLayout.
       Specify your AlertDialogPro's single choice list item layout. -->
  <item name="adpSingleChoiceItemLayout">@layout/adp_select_dialog_singlechoice_material</item>
</style>

使用上面自定义的alertdialog

<item name="alertDialogProStyle">@style/AlertDialogPro.Material</item>
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