<Button
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="@drawable/selector_new"
android:text="点击" />
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android" android:enterFadeDuration="1000" android:exitFadeDuration="500">
<item android:drawable="@color/color_new" android:state_pressed="true">
<color android:color="@color/color_new"></color>
</item>
<item android:drawable="@color/color_new1">
<color android:color="@color/color_new1"></color>
</item>
</selector>
<RadioGroup
android:layout_width="match_parent"
android:layout_height="50dp"
android:orientation="horizontal">
<RadioButton
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:background="@drawable/layer_list"
android:button="@null"
android:gravity="center"
android:text="1" />
<RadioButton
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:background="@drawable/layer_list"
android:button="@null"
android:gravity="center"
android:text="2" />
<RadioButton
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"
android:background="@drawable/layer_list"
android:button="@null"
android:gravity="center"
android:text="3" />
</RadioGroup>
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_checked="true">
<layer-list>
<item>
<color android:color="@color/color_new1" />
</item>
<item android:bottom="4dp" android:drawable="@android:color/white"></item>
</layer-list>
</item>
<item android:state_checked="false">
<layer-list>
<item>
<color android:color="@color/color_new1" />
</item>
<item android:bottom="1dp" android:drawable="@android:color/white"></item>
</layer-list>
</item>
</selector>
有阴影的效果
<Button
android:id="@+id/btn"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:layout_marginTop="5dp"
android:background="@drawable/selector_btn"
android:text="对对对" />
<?xml version="1.0" encoding="utf-8"?>
<layer-list xmlns:android="http://schemas.android.com/apk/res/android">
<!-- 灰色阴影 -->
<item
android:left="2dp"
android:top="4dp">
<shape>
<solid android:color="@android:color/darker_gray" />
<corners android:radius="10dp" />
</shape>
</item>
<!-- 白色前景 -->
<item
android:bottom="4dp"
android:right="2dp">
<shape>
<solid android:color="#FFFFFF" />
<corners android:radius="10dp" />
</shape>
</item>
</layer-list>
<drawable name="screen_background_light_transparent">#80ffffff</drawable>
<color name="safe_mode_text">#80ffffff</color>
<color name="white">#ffffffff</color>
<color name="black">#ff000000</color>
<color name="transparent">#00000000</color>
<color name="background_dark">#ff000000</color>
<color name="background_light">#ffffffff</color>
<color name="bright_foreground_dark">@android:color/background_light</color>
<color name="bright_foreground_light">@android:color/background_dark</color>
<color name="bright_foreground_dark_disabled">#80ffffff</color>
<color name="bright_foreground_light_disabled">#80000000</color>
<color name="bright_foreground_dark_inverse">@android:color/bright_foreground_light</color>
<color name="bright_foreground_light_inverse">@android:color/bright_foreground_dark</color>
<color name="dim_foreground_dark">#bebebe</color>
<color name="dim_foreground_dark_disabled">#80bebebe</color>
<color name="dim_foreground_dark_inverse">#323232</color>
<color name="dim_foreground_dark_inverse_disabled">#80323232</color>
<color name="hint_foreground_dark">#808080</color>
<color name="dim_foreground_light">#323232</color>
<color name="dim_foreground_light_disabled">#80323232</color>
<color name="dim_foreground_light_inverse">#bebebe</color>
<color name="dim_foreground_light_inverse_disabled">#80bebebe</color>
<color name="hint_foreground_light">#808080</color>
<color name="highlighted_text_dark">#9983CC39</color>
<color name="highlighted_text_light">#9983CC39</color>
<color name="link_text_dark">#5c5cff</color>
<color name="link_text_light">#0000ee</color>
<color name="suggestion_highlight_text">#177bbd</color>
<drawable name="stat_notify_sync_noanim">@drawable/stat_notify_sync_anim0</drawable>
<drawable name="stat_sys_download_done">@drawable/stat_sys_download_done_static</drawable>
<drawable name="stat_sys_upload_done">@drawable/stat_sys_upload_anim0</drawable>
<drawable name="dialog_frame">@drawable/panel_background</drawable>
<drawable name="alert_dark_frame">@drawable/popup_full_dark</drawable>
<drawable name="alert_light_frame">@drawable/popup_full_bright</drawable>
<drawable name="menu_frame">@drawable/menu_background</drawable>
<drawable name="menu_full_frame">@drawable/menu_background_fill_parent_width</drawable>
<drawable name="editbox_dropdown_dark_frame">@drawable/editbox_dropdown_background_dark</drawable>
<drawable name="editbox_dropdown_light_frame">@drawable/editbox_dropdown_background</drawable>
<drawable name="input_method_fullscreen_background">#fff9f9f9</drawable>
<color name="input_method_navigation_guard">#ff000000</color>
<!-- For date picker widget -->
<drawable name="selected_day_background">#ff0092f4</drawable>
<!-- For settings framework -->
<color name="lighter_gray">#ddd</color>
<color name="darker_gray">#aaa</color>
<!-- For security permissions -->
<color name="perms_dangerous_grp_color">#33b5e5</color>
<color name="perms_dangerous_perm_color">#33b5e5</color>
<color name="shadow">#cc222222</color>
<color name="perms_costs_money">#fff4511e</color>
<!-- For search-related UIs -->
<color name="search_url_text_normal">#7fa87f</color>
<color name="search_url_text_selected">@android:color/black</color>
<color name="search_url_text_pressed">@android:color/black</color>
<color name="search_widget_corpus_item_background">@android:color/lighter_gray</color>
<!-- SlidingTab -->
<color name="sliding_tab_text_color_active">@android:color/black</color>
<color name="sliding_tab_text_color_shadow">@android:color/black</color>
<!-- keyguard tab -->
<color name="keyguard_text_color_normal">#ffffff</color>
<color name="keyguard_text_color_unlock">#a7d84c</color>
<color name="keyguard_text_color_soundoff">#ffffff</color>
<color name="keyguard_text_color_soundon">#e69310</color>
<color name="keyguard_text_color_decline">#fe0a5a</color>
<!-- keyguard clock -->
<color name="lockscreen_clock_background">#ffffffff</color>
<color name="lockscreen_clock_foreground">#ffffffff</color>
<color name="lockscreen_clock_am_pm">#ffffffff</color>
<color name="lockscreen_owner_info">#ff9a9a9a</color>
<!-- keyguard overscroll widget pager -->
<color name="kg_multi_user_text_active">#ffffffff</color>
<color name="kg_multi_user_text_inactive">#ff808080</color>
<color name="kg_widget_pager_gradient">#ffffffff</color>
<!-- LockPatternView -->
<color name="lock_pattern_view_regular_color">#ffffffff</color>
<color name="lock_pattern_view_success_color">#ffffffff</color>
<color name="lock_pattern_view_error_color">#fff4511e</color>
<!-- FaceLock -->
<color name="facelock_spotlight_mask">#CC000000</color>
<color name="micro_text_light">#434343</color>
<drawable name="notification_template_icon_bg">#3333B5E5</drawable>
<drawable name="notification_template_icon_low_bg">#0cffffff</drawable>
<drawable name="notification_template_divider">#29000000</drawable>
<drawable name="notification_template_divider_media">#29ffffff</drawable>
<color name="notification_icon_bg_color">#ff9e9e9e</color>
<color name="notification_action_color_filter">@color/secondary_text_material_light</color>
<color name="notification_media_primary_color">@color/primary_text_material_dark</color>
<color name="notification_media_secondary_color">@color/secondary_text_material_dark</color>
<color name="notification_progress_background_color">@color/secondary_text_material_light</color>
<!-- Keyguard colors -->
<color name="keyguard_avatar_frame_color">#ffffffff</color>
<color name="keyguard_avatar_frame_shadow_color">#80000000</color>
<color name="keyguard_avatar_nick_color">#ffffffff</color>
<color name="keyguard_avatar_frame_pressed_color">#ff35b5e5</color>
<color name="accessibility_focus_highlight">#bf39b500</color>
<color name="system_notification_accent_color">#ff607D8B</color>
<color name="battery_saver_mode_color">#fff4511e</color><!-- deep orange 600 -->
<!-- Default user icon colors -->
<color name="user_icon_1">#ff00bcd4</color><!-- teal 500 -->
<color name="user_icon_2">#ff3f51b5</color><!-- indigo 500 -->
<color name="user_icon_3">#ff4285f4</color><!-- blue 500 -->
<color name="user_icon_4">#ffe91e63</color><!-- pink 500 -->
<color name="user_icon_5">#ff0f9d58</color><!-- green 500 -->
<color name="user_icon_6">#ff8bc34a</color><!-- light green 500 -->
<color name="user_icon_7">#ffff9800</color><!-- orange 500 -->
<color name="user_icon_8">#ffff5722</color><!-- deep orange 500 -->
<color name="user_icon_default_gray">#ff9e9e9e</color><!-- gray 500 -->
<color name="user_icon_default_white">#ffffffff</color><!-- white -->
<!-- Multi-sim sim colors -->
<color name="Teal_700">#ff00796b</color>
<color name="Teal_800">#ff00695c</color>
<color name="Blue_700">#ff3367d6</color>
<color name="Blue_800">#ff2a56c6</color>
<color name="Indigo_700">#ff303f9f</color>
<color name="Indigo_800">#ff283593</color>
<color name="Purple_700">#ff7b1fa2</color>
<color name="Purple_800">#ff6a1b9a</color>
<color name="Pink_700">#ffc2185b</color>
<color name="Pink_800">#ffad1457</color>
<color name="Red_700">#ffc53929</color>
<color name="Red_800">#ffb93221</color>
<color name="chooser_service_row_background_color">#fff5f5f5</color>
</resources>