今天看啥 热点：
【基于最新的Android4.4的源码分析】
每家公司或者每个移动团队无不想开发出一套自己的UI框架，融入自己的设计和特性，这必然会去修改android的ui。所以，学习和理解android的UI设计是最基础和非常有必要的。android ui设计最重要的就是主题和样式。
1、位置在Android的frameworks/base/core/res/res/values目录下有一下几个文件：
themes.xml
themes_device_defaults.xml
styles.xml
styles_device_defaults.xml
分别定义了各种系统Theme，Style。
2、主题Theme主要关注themes.xml,themes_device_defaults.xml两个文件。themes.xml定义了android低版本的theme和Holo theme，themes_device_defaults.xml定义了DeviceDefault主题（继承自Holo主题），实际上就是在Holo主题上定制主题（For厂商）。系统如何去选择默认的主题呢？
/**frameworks/base/core/java/android/content/res/Resources.java*/
/** @hide */
public static int selectDefaultTheme(int curTheme, int targetSdkVersion) {
return selectSystemTheme(curTheme, targetSdkVersion,
com.android.internal.R.style.Theme,
com.android.internal.R.style.Theme_Holo,
com.android.internal.R.style.Theme_DeviceDefault);
/** @hide */
public static int selectSystemTheme(int curTheme, int targetSdkVersion,
int orig, int holo, int deviceDefault) {
if (curTheme != 0) {
return curT
if (targetSdkVersion & Build.VERSION_CODES.HONEYCOMB) {
if (targetSdkVersion & Build.VERSION_CODES.ICE_CREAM_SANDWICH) {
return deviceD
当&11时，使用以前低版本主题;当&=11&&&14，使用Holo主题;&14的时候，使用DeviceDefault主题。方便理解，下面把目前所有的版本号列出来，也顺便温习一下android的历史：
public static class VERSION_CODES {
* Magic version number for a current development build, which has
* not yet turned into an official release.
public static final int CUR_DEVELOPMENT = 10000;
* October 2008: The original, first, version of Android.
public static final int BASE = 1;
* February 2009: First Android update, officially called 1.1.
public static final int BASE_1_1 = 2;
* May 2009: Android 1.5.
public static final int CUPCAKE = 3;
* September 2009: Android 1.6.
public static final int DONUT = 4;
* November 2009: Android 2.0
public static final int ECLAIR = 5;
* December 2009: Android 2.0.1
public static final int ECLAIR_0_1 = 6;
* January 2010: Android 2.1
public static final int ECLAIR_MR1 = 7;
* June 2010: Android 2.2
public static final int FROYO = 8;
* November 2010: Android 2.3
public static final int GINGERBREAD = 9;
* February 2011: Android 2.3.3.
public static final int GINGERBREAD_MR1 = 10;
* February 2011: Android 3.0.
public static final int HONEYCOMB = 11;
* May 2011: Android 3.1.
public static final int HONEYCOMB_MR1 = 12;
* June 2011: Android 3.2.
public static final int HONEYCOMB_MR2 = 13;
* October 2011: Android 4.0.
public static final int ICE_CREAM_SANDWICH = 14;
* December 2011: Android 4.0.3.
public static final int ICE_CREAM_SANDWICH_MR1 = 15;
* June 2012: Android 4.1.
public static final int JELLY_BEAN = 16;
* Android 4.2: Moar jelly beans!
public static final int JELLY_BEAN_MR1 = 17;
* Android 4.3: Jelly Bean MR2, the revenge of the beans.
public static final int JELLY_BEAN_MR2 = 18;
* Android 4.4: KitKat, another tasty treat.
public static final int KITKAT = 19;
3、系统主题Theme列表系统默认大的主题是三种：Theme,Theme.Holo,Theme.DeviceDefault, 但是实际上在此基础系统还定义了大量的派生主题，最典型的是对应的Light主题。除此之外，还有很多，在此一一列出，打字太痛苦了，我贴出截图：了解android系统定义的主题之后，我们就可以根据实际情况在自己的应用中使用这些主题，但是如果想修改主题的某些内容，需要进一步深入。
4、详解每个主题中定义item分类一个完整的主题应该定义哪些内容呢，以Theme为例，如下：1）颜色
&item name="colorForeground"&@android:color/bright_foreground_dark&/item&
&item name="colorForegroundInverse"&@android:color/bright_foreground_dark_inverse&/item&
&item name="colorBackground"&@android:color/background_dark&/item&
&item name="colorBackgroundCacheHint"&?android:attr/colorBackground&/item&
&item name="colorPressedHighlight"&@color/legacy_pressed_highlight&/item&
&item name="colorLongPressedHighlight"&@color/legacy_long_pressed_highlight&/item&
&item name="colorFocusedHighlight"&@color/legacy_selected_highlight&/item&
&item name="colorMultiSelectHighlight"&@color/legacy_selected_highlight&/item&
&item name="colorActivatedHighlight"&@color/legacy_selected_highlight&/item&
&!-- Text styles --&
&item name="textAppearance"&@android:style/TextAppearance&/item&
&item name="textAppearanceInverse"&@android:style/TextAppearance.Inverse&/item&
&item name="textColorPrimary"&@android:color/primary_text_dark&/item&
&item name="textColorSecondary"&@android:color/secondary_text_dark&/item&
&item name="textColorTertiary"&@android:color/tertiary_text_dark&/item&
&item name="textColorPrimaryInverse"&@android:color/primary_text_light&/item&
&item name="textColorSecondaryInverse"&@android:color/secondary_text_light&/item&
&item name="textColorTertiaryInverse"&@android:color/tertiary_text_light&/item&
&item name="textColorPrimaryDisableOnly"&@android:color/primary_text_dark_disable_only&/item&
&item name="textColorPrimaryInverseDisableOnly"&@android:color/primary_text_light_disable_only&/item&
&item name="textColorPrimaryNoDisable"&@android:color/primary_text_dark_nodisable&/item&
&item name="textColorSecondaryNoDisable"&@android:color/secondary_text_dark_nodisable&/item&
&item name="textColorPrimaryInverseNoDisable"&@android:color/primary_text_light_nodisable&/item&
&item name="textColorSecondaryInverseNoDisable"&@android:color/secondary_text_light_nodisable&/item&
&item name="textColorHint"&@android:color/hint_foreground_dark&/item&
&item name="textColorHintInverse"&@android:color/hint_foreground_light&/item&
&item name="textColorSearchUrl"&@android:color/search_url_text&/item&
&item name="textColorHighlight"&@android:color/highlighted_text_dark&/item&
&item name="textColorHighlightInverse"&@android:color/highlighted_text_light&/item&
&item name="textColorLink"&@android:color/link_text_dark&/item&
&item name="textColorLinkInverse"&@android:color/link_text_light&/item&
&item name="textColorAlertDialogListItem"&@android:color/primary_text_light_disable_only&/item&
&item name="textAppearanceLarge"&@android:style/TextAppearance.Large&/item&
&item name="textAppearanceMedium"&@android:style/TextAppearance.Medium&/item&
&item name="textAppearanceSmall"&@android:style/TextAppearance.Small&/item&
&item name="textAppearanceLargeInverse"&@android:style/TextAppearance.Large.Inverse&/item&
&item name="textAppearanceMediumInverse"&@android:style/TextAppearance.Medium.Inverse&/item&
&item name="textAppearanceSmallInverse"&@android:style/TextAppearance.Small.Inverse&/item&
&item name="textAppearanceSearchResultTitle"&@android:style/TextAppearance.SearchResult.Title&/item&
&item name="textAppearanceSearchResultSubtitle"&@android:style/TextAppearance.SearchResult.Subtitle&/item&
&item name="textAppearanceEasyCorrectSuggestion"&@android:style/TextAppearance.EasyCorrectSuggestion&/item&
&item name="textAppearanceMisspelledSuggestion"&@android:style/TextAppearance.MisspelledSuggestion&/item&
&item name="textAppearanceAutoCorrectionSuggestion"&@android:style/TextAppearance.AutoCorrectionSuggestion&/item&
&item name="textAppearanceButton"&@android:style/TextAppearance.Widget.Button&/item&
&item name="editTextColor"&@android:color/primary_text_light&/item&
&item name="editTextBackground"&@android:drawable/edit_text&/item&
&item name="candidatesTextStyleSpans"&@android:string/candidates_style&/item&
&item name="textCheckMark"&@android:drawable/indicator_check_mark_dark&/item&
&item name="textCheckMarkInverse"&@android:drawable/indicator_check_mark_light&/item&
&item name="textAppearanceLargePopupMenu"&@android:style/TextAppearance.Widget.PopupMenu.Large&/item&
&item name="textAppearanceSmallPopupMenu"&@android:style/TextAppearance.Widget.PopupMenu.Small&/item&
&!-- Button styles --&
&item name="buttonStyle"&@android:style/Widget.Button&/item&
&item name="buttonStyleSmall"&@android:style/Widget.Button.Small&/item&
&item name="buttonStyleInset"&@android:style/Widget.Button.Inset&/item&
&item name="buttonStyleToggle"&@android:style/Widget.Button.Toggle&/item&
&item name="selectableItemBackground"&@android:drawable/item_background&/item&
&item name="borderlessButtonStyle"&?android:attr/buttonStyle&/item&
&item name="homeAsUpIndicator"&@android:drawable/ic_ab_back_holo_dark&/item&
&!-- List attributes --&
&item name="listPreferredItemHeight"&64dip&/item&
&item name="listPreferredItemHeightSmall"&?android:attr/listPreferredItemHeight&/item&
&item name="listPreferredItemHeightLarge"&?android:attr/listPreferredItemHeight&/item&
&item name="dropdownListPreferredItemHeight"&?android:attr/listPreferredItemHeight&/item&
&item name="textAppearanceListItem"&?android:attr/textAppearanceLarge&/item&
&item name="textAppearanceListItemSmall"&?android:attr/textAppearanceLarge&/item&
&item name="listPreferredItemPaddingLeft"&6dip&/item&
&item name="listPreferredItemPaddingRight"&6dip&/item&
&item name="listPreferredItemPaddingStart"&6dip&/item&
&item name="listPreferredItemPaddingEnd"&6dip&/item&
&!-- Window attributes --&
&item name="windowBackground"&@android:drawable/screen_background_selector_dark&/item&
&item name="windowFrame"&@null&/item&
&item name="windowNoTitle"&false&/item&
&item name="windowFullscreen"&false&/item&
&item name="windowOverscan"&false&/item&
&item name="windowIsFloating"&false&/item&
&item name="windowContentOverlay"&@null&/item&
&item name="windowShowWallpaper"&false&/item&
&item name="windowTitleStyle"&@android:style/WindowTitle&/item&
&item name="windowTitleSize"&25dip&/item&
&item name="windowTitleBackgroundStyle"&@android:style/WindowTitleBackground&/item&
&item name="android:windowAnimationStyle"&@android:style/Animation.Activity&/item&
&item name="android:windowSoftInputMode"&stateUnspecified|adjustUnspecified&/item&
&item name="windowActionBar"&false&/item&
&item name="windowActionModeOverlay"&false&/item&
&item name="windowCloseOnTouchOutside"&false&/item&
&item name="windowTranslucentStatus"&false&/item&
&item name="windowTranslucentNavigation"&false&/item&
&!-- Dialog attributes --&
&item name="dialogTheme"&@android:style/Theme.Dialog&/item&
&item name="dialogTitleIconsDecorLayout"&@layout/dialog_title_icons&/item&
&item name="dialogCustomTitleDecorLayout"&@layout/dialog_custom_title&/item&
&item name="dialogTitleDecorLayout"&@layout/dialog_title&/item&
7）AlertDialog
&!-- AlertDialog attributes --&
&item name="alertDialogTheme"&@android:style/Theme.Dialog.Alert&/item&
&item name="alertDialogStyle"&@android:style/AlertDialog&/item&
&item name="alertDialogCenterButtons"&true&/item&
&item name="alertDialogIcon"&@android:drawable/ic_dialog_alert&/item&
&!-- Panel attributes --&
&item name="panelBackground"&@android:drawable/menu_background&/item&
&item name="panelFullBackground"&@android:drawable/menu_background_fill_parent_width&/item&
&!-- These three attributes do not seems to be used by the framework. Declared public though --&
&item name="panelColorBackground"�&/item&
&item name="panelColorForeground"&?android:attr/textColorPrimary&/item&
&item name="panelTextAppearance"&?android:attr/textAppearance&/item&
&item name="panelMenuIsCompact"&false&/item&
&item name="panelMenuListWidth"&296dip&/item&
9）滚动条（Scrollbar）
&!-- Scrollbar attributes --&
&item name="scrollbarFadeDuration"&250&/item&
&item name="scrollbarDefaultDelayBeforeFade"&300&/item&
&item name="scrollbarSize"&10dip&/item&
&item name="scrollbarThumbHorizontal"&@android:drawable/scrollbar_handle_horizontal&/item&
&item name="scrollbarThumbVertical"&@android:drawable/scrollbar_handle_vertical&/item&
&item name="scrollbarTrackHorizontal"&@null&/item&
&item name="scrollbarTrackVertical"&@null&/item&
10）文字选中（Text selection）
&!-- Text selection handle attributes --&
&item name="textSelectHandleLeft"&@android:drawable/text_select_handle_left&/item&
&item name="textSelectHandleRight"&@android:drawable/text_select_handle_right&/item&
&item name="textSelectHandle"&@android:drawable/text_select_handle_middle&/item&
&item name="textSelectHandleWindowStyle"&@android:style/Widget.TextSelectHandle&/item&
&item name="textEditPasteWindowLayout"&@android:layout/text_edit_paste_window&/item&
&item name="textEditNoPasteWindowLayout"&@android:layout/text_edit_no_paste_window&/item&
&item name="textEditSidePasteWindowLayout"&@android:layout/text_edit_side_paste_window&/item&
&item name="textEditSideNoPasteWindowLayout"&@android:layout/text_edit_side_no_paste_window&/item&
&item name="textSuggestionsWindowStyle"&@android:style/Widget.TextSuggestionsPopupWindow&/item&
&item name="textEditSuggestionItemLayout"&@android:layout/text_edit_suggestion_item&/item&
&item name="textCursorDrawable"&@null&/item&
有点长，下篇继续列举，并深入分析具体style.
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Android教程最近更新虽然大名鼎鼎的Bootstrap前端框架可以在手机浏览器上运行，但是它毕竟是针对通用网站设计的。Android-Bootstrap 是针对Android系统设计的前端框架，同时它采用了Bootstrap的配色和样式。
它具有许多独有的特性：
使用Android2.1的min SDK7
和Bootstrap V3一样的按钮样式
圆角矩形按钮
各种大小的按钮
只有文字的按钮
向左、向右、左右按钮
整合Font Awesome V4
兼容Font Awesome动画
EditText背景
下载整个库，并将它导入到你的Android工作环境。在每一个模板文件里只要加上下面几行：
xmlns:android=”/apk/res/android”
xmlns:androidbootstrap=”/apk/res-auto”
xmlns:fontawesometext=”/apk/res-auto”
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移动端select菜单无法修改默认样式，select样式
&option value =&volvo&&Volvo&/option&
&option value =&saab&&Saab&/option&
&option value=&opel&&Opel&/option&
&option value=&audi&&Audi&/option&
但是在移动端，设置的样式会不起作用，如下图：
因为ios和安卓系统有默认的菜单样式，要想设置自定义的样式，需要添加一个样式
-webkit-appearance:
之后再设置自定义的样式。
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Android教程最近更新