/frameworks/base/core/res/res/values/themes.xml
194 <!-- Preference styles -->
195 <item name="preferenceScreenStyle">@android:style/Preference.PreferenceScreen</item>
196 <item name="preferenceCategoryStyle">@android:style/Preference.Category</item>
197 <item name="preferenceStyle">@android:style/Preference</item>
198 <item name="preferenceInformationStyle">@android:style/Preference.Information</item>
199 <item name="checkBoxPreferenceStyle">@android:style/Preference.CheckBoxPreference</item>
200 <item name="yesNoPreferenceStyle">@android:style/Preference.DialogPreference.YesNoPreference</item>
201 <item name="dialogPreferenceStyle">@android:style/Preference.DialogPreference</item>
202 <item name="editTextPreferenceStyle">@android:style/Preference.DialogPreference.EditTextPreference</item>
203 <item name="ringtonePreferenceStyle">@android:style/Preference.RingtonePreference</item>
204 <item name="preferenceLayoutChild">@android:layout/preference_child</item>
ここをそれぞれオリジナルテーマに置き換えればOK
もともとはこうなってる
/frameworks/base/core/res/res/values/styles.xml
769 <!-- Preference Styles -->
770
771 <style name="Preference">
772 <item name="android:layout">@android:layout/preference</item>
773 </style>
774
775 <style name="Preference.Information">
776 <item name="android:layout">@android:layout/preference_information</item>
777 <item name="android:enabled">false</item>
778 <item name="android:shouldDisableView">false</item>
779 </style>
780
781 <style name="Preference.Category">
782 <item name="android:layout">@android:layout/preference_category</item>
783 <!-- The title should not dim if the category is disabled, instead only the preference children should dim. -->
784 <item name="android:shouldDisableView">false</item>
785 <item name="android:selectable">false</item>
786 </style>
787
788 <style name="Preference.CheckBoxPreference">
789 <item name="android:widgetLayout">@android:layout/preference_widget_checkbox</item>
790 </style>
791
792 <style name="Preference.PreferenceScreen">
793 </style>
794
795 <style name="Preference.DialogPreference">
796 <item name="android:positiveButtonText">@android:string/ok</item>
797 <item name="android:negativeButtonText">@android:string/cancel</item>
798 <item name="android:widgetLayout">@android:layout/preference_dialog</item>
799 </style>
800
801 <style name="Preference.DialogPreference.YesNoPreference">
802 <item name="android:positiveButtonText">@android:string/yes</item>
803 <item name="android:negativeButtonText">@android:string/no</item>
804 </style>
805
806 <style name="Preference.DialogPreference.EditTextPreference">
807 <item name="android:dialogLayout">@android:layout/preference_dialog_edittext</item>
808 </style>
809
810 <style name="Preference.RingtonePreference">
811 <item name="android:ringtoneType">ringtone</item>
812 <item name="android:showSilent">true</item>
813 <item name="android:showDefault">true</item>
814 <item name="android:widgetLayout">@android:layout/preference_dialog</item>
815 </style>
これを置き換え。
android:widgetLayout というのが左側に配置される部品（チェックボックスとか、○に下三角のやつ）
結論。CheckBoxPreference のチェックボックスと EditTextPreference の下三角は変更できる。
ただし、EditTextPreference のダイアログのレイアウトは変更できたけど、レイアウトファイル内の @+android:id/edittext_container が public ではないため、入力ボックスがでなくなっちゃうのでダメだった。
PreferenceDialog を継承したクラスを作ったほうが早そう。
res/xml/prefs.xml
<?xml version="1.0" encoding="utf-8"?>
<PreferenceScreen xmlns:android="http://schemas.android.com/apk/res/android">
<PreferenceCategory android:title="Setting">
<CheckBoxPreference
android:key="checkbox_value"
android:title="Setting1"
android:summary="sample of checkbox setting" />
<EditTextPreference
android:key="edittext_value"
android:title="Setting2"
android:summary="sample of edittext setting"
android:dialogTitle="Setting edittext"
android:dialogMessage="please set values" />
</PreferenceCategory>
</PreferenceScreen>
res/values/styles.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<style name="CustomTheme" parent="@android:style/Theme.Light">
<item name="android:windowBackground">@color/window_bg</item>
<item name="android:colorBackground">@color/window_bg</item>
<item name="android:checkBoxPreferenceStyle">@style/CustomCheckBoxPreference</item>
<item name="android:editTextPreferenceStyle">@style/CustomDialogPreference.CustomEditTextPreference
</item>
</style>
<style name="CustomCheckBoxPreference">
<item name="android:widgetLayout">@layout/preference_widget_checkbox</item>
</style>
<style name="CustomDialogPreference.CustomEditTextPreference">
<item name="android:dialogLayout">@layout/preference_dialog_edittext</item>
</style>
<style name="CustomDialogPreference">
<item name="android:positiveButtonText">@android:string/ok</item>
<item name="android:negativeButtonText">@android:string/cancel</item>
<item name="android:widgetLayout">@layout/preference_dialog</item>
</style>
<style name="CustomDialogPreference.YesNoPreference">
<item name="android:positiveButtonText">@android:string/yes</item>
<item name="android:negativeButtonText">@android:string/no</item>
</style>
</resources>
res/layout/preference_widget_checkbox.xml
<?xml version="1.0" encoding="utf-8"?>
<CheckBox xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+android:id/checkbox"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginRight="4dip"
android:layout_gravity="center_vertical"
android:button="@drawable/btn_check"
android:focusable="false"
android:clickable="false" />
res/layoutpreference_dialog.xml
<?xml version="1.0" encoding="utf-8"?>
<ImageView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginRight="6dip"
android:layout_marginTop="@dimen/margin_check"
android:layout_marginLeft="@dimen/margin_check"
android:layout_marginBottom="@dimen/margin_check"
android:layout_gravity="center_vertical"
android:background="@drawable/btn_circle"
android:src="@drawable/ic_btn_round_more"
android:scaleType="center"
/>
res/layoutpreference_dialog_edittext.xml
<?xml version="1.0" encoding="utf-8"?>
<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent">
<LinearLayout
android:id="@*android:id/edittext_container"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:padding="5dip"
android:orientation="vertical">
<TextView
android:id="@android:id/message"
style="?android:attr/textAppearanceMedium"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:textColor="@color/color2" />
</LinearLayout>
</ScrollView>
res/values/dimens.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<dimen name="size_check">32dip</dimen>
<dimen name="size_more">32dip</dimen>
<dimen name="size_radio">32dip</dimen>
<dimen name="margin_check">3dip</dimen>
<dimen name="size_circle">14dip</dimen>
</resources>
res/values/colors.xml
<?xml version="1.0" encoding="utf-8"?>
<resources>
<color name="color1">#FDF3DE</color>
<color name="color2">#9C0C0A</color>
<color name="color3">#E88833</color>
<color name="color4">#8F6031</color>
<color name="color5">#3B3013</color>
<color name="color6">#690806</color>
<color name="color7">#dfd3d0</color>
<color name="window_bg">@color/color1</color>
<color name="component_frame_normal">@color/color3</color>
<color name="component_frame_pressed">@color/color2</color>
<color name="component_frame_pressed_top">@color/color2</color>
<color name="component_frame_pressed_bottom">@color/color6</color>
<color name="component_frame_disabled">@color/color7</color>
<color name="component_text_normal">@color/color6</color>
<color name="component_text_pressed">@color/color1</color>
<color name="component_button_top">#fff</color>
<color name="component_button_bottom">@color/color7</color>
</resources>
res/drawable/btn_check_bg.xml
<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android">
<padding android:left="38dip" android:right="0dip" />
<solid android:color="#0000" />
</shape>
res/drawable/btn_bg.xml
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_checked="true" android:state_pressed="true"
android:state_enabled="true">
<layer-list>
<item android:top="@dimen/margin_check" android:bottom="@dimen/margin_check"
android:left="@dimen/margin_check" android:right="@dimen/margin_check">
<shape android:shape="rectangle">
<corners android:radius="5dip" />
<gradient android:angle="270"
android:startColor="@color/component_frame_pressed_top"
android:endColor="@color/component_frame_pressed_bottom" />
<size android:width="@dimen/size_check"
android:height="@dimen/size_check" />
<stroke android:width="2dip"
android:color="@color/component_frame_pressed" />
</shape>
</item>
<item android:top="10dip" android:bottom="10dip"
android:left="8dip" android:right="8dip"
android:drawable="@drawable/check_on" />
</layer-list>
</item>
<item android:state_checked="false" android:state_pressed="true"
android:state_enabled="true">
<layer-list>
<item android:top="@dimen/margin_check" android:bottom="@dimen/margin_check"
android:left="@dimen/margin_check" android:right="@dimen/margin_check">
<shape android:shape="rectangle">
<corners android:radius="5dip" />
<gradient android:angle="270"
android:startColor="@color/component_frame_pressed_top"
android:endColor="@color/component_frame_pressed_bottom" />
<size android:width="@dimen/size_check"
android:height="@dimen/size_check" />
<stroke android:width="2dip"
android:color="@color/component_frame_pressed" />
</shape>
</item>
<item android:top="10dip" android:bottom="10dip"
android:left="8dip" android:right="8dip"
android:drawable="@drawable/check_off" />
</layer-list>
</item>
<item android:state_checked="true" android:state_focused="true"
android:state_enabled="true">
<layer-list>
<item android:top="@dimen/margin_check" android:bottom="@dimen/margin_check"
android:left="@dimen/margin_check" android:right="@dimen/margin_check">
<shape android:shape="rectangle">
<corners android:radius="5dip" />
<gradient android:angle="90"
android:startColor="#ffffff" android:endColor="#fefefe" />
<size android:width="@dimen/size_check"
android:height="@dimen/size_check" />
<stroke android:width="2dip"
android:color="@color/component_frame_pressed" />
</shape>
</item>
<item android:top="10dip" android:bottom="10dip"
android:left="8dip" android:right="8dip"
android:drawable="@drawable/check_on" />
</layer-list>
</item>
<item android:state_checked="false" android:state_focused="true"
android:state_enabled="true">
<layer-list>
<item android:top="@dimen/margin_check" android:bottom="@dimen/margin_check"
android:left="@dimen/margin_check" android:right="@dimen/margin_check">
<shape android:shape="rectangle">
<corners android:radius="5dip" />
<gradient android:angle="90"
android:startColor="#ffffff" android:endColor="#fefefe" />
<size android:width="@dimen/size_check"
android:height="@dimen/size_check" />
<stroke android:width="2dip"
android:color="@color/component_frame_pressed" />
</shape>
</item>
<item android:top="10dip" android:bottom="10dip"
android:left="8dip" android:right="8dip"
android:drawable="@drawable/check_off" />
</layer-list>
</item>
<item android:state_checked="false" android:state_enabled="true">
<layer-list>
<item android:top="@dimen/margin_check" android:bottom="@dimen/margin_check"
android:left="@dimen/margin_check" android:right="@dimen/margin_check">
<shape android:shape="rectangle">
<corners android:radius="5dip" />
<gradient android:angle="90"
android:startColor="#ffffff" android:endColor="#fefefe" />
<size android:width="@dimen/size_check"
android:height="@dimen/size_check" />
<stroke android:width="2dip"
android:color="@color/component_frame_normal" />
</shape>
</item>
<item android:top="10dip" android:bottom="10dip"
android:left="8dip" android:right="8dip"
android:drawable="@drawable/check_off" />
</layer-list>
</item>
<item android:state_checked="true" android:state_enabled="true">
<layer-list>
<item android:top="@dimen/margin_check" android:bottom="@dimen/margin_check"
android:left="@dimen/margin_check" android:right="@dimen/margin_check">
<shape android:shape="rectangle">
<corners android:radius="5dip" />
<gradient android:angle="90"
android:startColor="#ffffff" android:endColor="#fefefe" />
<size android:width="@dimen/size_check"
android:height="@dimen/size_check" />
<stroke android:width="2dip"
android:color="@color/component_frame_normal" />
</shape>
</item>
<item android:top="10dip" android:bottom="10dip"
android:left="8dip" android:right="8dip"
android:drawable="@drawable/check_on" />
</layer-list>
</item>
<!-- Disabled states -->
<item>
<layer-list>
<item android:top="@dimen/margin_check" android:bottom="@dimen/margin_check"
android:left="@dimen/margin_check" android:right="@dimen/margin_check">
<shape android:shape="rectangle">
<corners android:radius="5dip" />
<gradient android:angle="90"
android:startColor="#ffffff" android:endColor="#fefefe" />
<size android:width="@dimen/size_check"
android:height="@dimen/size_check" />
<stroke android:width="2dip"
android:color="@color/component_frame_disabled" />
</shape>
</item>
<item android:top="10dip" android:bottom="10dip"
android:left="8dip" android:right="8dip"
android:drawable="@drawable/check_off" />
</layer-list>
</item>
</selector>
res/drawable/btn_circle.xml
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_enabled="true">
<shape android:shape="ring" android:useLevel="false"
android:innerRadius="0dip" android:thickness="@dimen/size_circle">
<size android:width="@dimen/size_check" android:height="@dimen/size_check" />
<stroke android:width="2dip"
android:color="@color/component_frame_normal" />
<solid android:color="#fff" />
</shape>
</item>
<item>
<shape android:shape="ring" android:useLevel="false"
android:innerRadius="0dip" android:thickness="@dimen/size_circle">
<size android:width="@dimen/size_check" android:height="@dimen/size_check" />
<stroke android:width="2dip"
android:color="@color/component_frame_disabled" />
<solid android:color="#fff" />
</shape>
</item>
</selector>
ic_btn_round_more.xml は SDK プラットフォームのリソースのものを利用。
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