Android布局——小米便签编辑界面xml

最近在学习小米便签的开源项目，现在对note编辑界面对应的note_edit.xml做一些注释笔记。项目地址：https://github.com/MiCode/Notes

界面效果如图：

<?xml version="1.0" encoding="utf-8"?><!-- Copyright (c) 2010-2011, The MiCode Open Source Community (www.micode.net)     Licensed under the Apache License, Version 2.0 (the "License");     you may not use this file except in compliance with the License.     You may obtain a copy of the License at          http://www.apache.org/licenses/LICENSE-2.0     Unless required by applicable law or agreed to in writing, software     distributed under the License is distributed on an "AS IS" BASIS,     WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.     See the License for the specific language governing permissions and     limitations under the License.--><FrameLayout    android:layout_width="fill_parent"    android:layout_height="fill_parent"    android:background="@drawable/list_background"    xmlns:android="http://schemas.android.com/apk/res/android">    <LinearLayout        android:layout_width="fill_parent"        android:layout_height="fill_parent"        android:orientation="vertical"><!--顶栏代码：当前时间（TextView），闹钟icon（ImageView）,提醒时间（TextView），颜色选择按钮(ImageButton)-->        <LinearLayout            android:id="@+id/note_title"            android:layout_width="fill_parent"            android:layout_height="wrap_content">            <TextView                android:id="@+id/tv_modified_date"                android:layout_width="0dip"                android:layout_height="wrap_content"                android:layout_weight="1"                android:layout_gravity="left|center_vertical"                android:layout_marginRight="8dip"                android:textAppearance="@style/TextAppearanceSecondaryItem" />            <ImageView                android:id="@+id/iv_alert_icon"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_gravity="center_vertical"                android:background="@drawable/title_alert" />            <TextView                android:id="@+id/tv_alert_date"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_gravity="center_vertical"                android:layout_marginLeft="2dip"                android:layout_marginRight="8dip"                android:textAppearance="@style/TextAppearanceSecondaryItem" />            <ImageButton                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_gravity="center"                android:background="@drawable/bg_btn_set_color" />        </LinearLayout><!--正文部分：背景颜色选择（ImageView），垂直滚动条（ScrollView），字体大小设置（FrameLayout）-->        <LinearLayout            android:id="@+id/sv_note_edit"            android:layout_width="fill_parent"            android:layout_height="fill_parent"            android:orientation="vertical">            <ImageView                android:layout_width="fill_parent"                android:layout_height="7dip"                android:background="@drawable/bg_color_btn_mask" />            <ScrollView                android:layout_width="fill_parent"                android:layout_height="0dip"                android:layout_weight="1"                android:scrollbars="none"                android:overScrollMode="never"                android:layout_gravity="left|top"                android:fadingEdgeLength="0dip">                <LinearLayout                    android:layout_width="fill_parent"                    android:layout_height="fill_parent">                    <net.micode.notes.ui.NoteEditText                        android:id="@+id/note_edit_view"                        android:layout_width="fill_parent"                        android:layout_height="wrap_content"                        android:gravity="left|top"                        android:background="@null"                        android:autoLink="all"                        android:linksClickable="false"                        android:minLines="12"                        android:textAppearance="@style/TextAppearancePrimaryItem"                        android:lineSpacingMultiplier="1.2" />                    <LinearLayout                        android:id="@+id/note_edit_list"                        android:layout_width="fill_parent"                        android:layout_height="wrap_content"                        android:orientation="vertical"                        android:layout_marginLeft="-10dip"                        android:visibility="gone" />                </LinearLayout>            </ScrollView>            <ImageView                android:layout_width="fill_parent"                android:layout_height="7dip"                android:background="@drawable/bg_color_btn_mask" />        </LinearLayout>    </LinearLayout>    <ImageView        android:id="@+id/btn_set_bg_color"        android:layout_height="43dip"        android:layout_width="wrap_content"        android:background="@drawable/bg_color_btn_mask"        android:layout_gravity="top|right" />    <LinearLayout        android:id="@+id/note_bg_color_selector"        android:layout_width="wrap_content"        android:layout_height="wrap_content"        android:background="@drawable/note_edit_color_selector_panel"        android:layout_marginTop="30dip"        android:layout_marginRight="8dip"        android:layout_gravity="top|right"<!--选择背景色为黄色-->        <FrameLayout            android:layout_width="0dip"            android:layout_height="match_parent"            android:layout_weight="1">            <ImageView                android:id="@+id/iv_bg_yellow"                android:layout_width="match_parent"                android:layout_height="match_parent" />            <ImageView                android:id="@+id/iv_bg_yellow_select"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_gravity="bottom|right"                android:layout_marginRight="5dip"                android:focusable="false"                android:visibility="gone"                android:src="@drawable/selected" />        </FrameLayout><!--选择背景色为蓝色-->        <FrameLayout            android:layout_width="0dip"            android:layout_height="match_parent"            android:layout_weight="1">            <ImageView                android:id="@+id/iv_bg_blue"                android:layout_width="match_parent"                android:layout_height="match_parent" />            <ImageView                android:id="@+id/iv_bg_blue_select"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_gravity="bottom|right"                android:focusable="false"                android:visibility="gone"                android:layout_marginRight="3dip"                android:src="@drawable/selected" /><!--选择背景色为白色-->        <FrameLayout            android:layout_width="0dip"            android:layout_height="match_parent"            android:layout_weight="1">            <ImageView                android:id="@+id/iv_bg_white"                android:layout_width="match_parent"                android:layout_height="match_parent" />            <ImageView                android:id="@+id/iv_bg_white_select"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_gravity="bottom|right"                android:focusable="false"                android:visibility="gone"                android:layout_marginRight="2dip"                android:src="@drawable/selected" />        </FrameLayout><!--选择背景色为绿色-->        <FrameLayout            android:layout_width="0dip"            android:layout_height="match_parent"            android:layout_weight="1">            <ImageView                android:id="@+id/iv_bg_green"                android:layout_width="match_parent"                android:layout_height="match_parent" />            <ImageView                android:id="@+id/iv_bg_green_select"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_gravity="bottom|right"                android:focusable="false"                android:visibility="gone"                android:src="@drawable/selected" /><!--选择背景色为红色-->        <FrameLayout            android:layout_width="0dip"            android:layout_height="match_parent"            android:layout_weight="1">            <ImageView                android:id="@+id/iv_bg_red"                android:layout_width="match_parent"                android:layout_height="match_parent" />            <ImageView                android:id="@+id/iv_bg_red_select"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_gravity="bottom|right"                android:focusable="false"                android:visibility="gone"                android:src="@drawable/selected" />        </FrameLayout>    </LinearLayout><!--字体大小设置-->    <LinearLayout        android:id="@+id/font_size_selector"        android:layout_width="fill_parent"        android:layout_height="wrap_content"        android:background="@drawable/font_size_selector_bg"        android:layout_gravity="bottom"<!--选择小字号-->        <FrameLayout            android:id="@+id/ll_font_small"            android:layout_width="0dip"            android:layout_height="wrap_content"            android:layout_weight="1">            <LinearLayout                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:orientation="vertical"                android:layout_gravity="center"                android:gravity="center">                <ImageView                    android:layout_width="wrap_content"                    android:layout_height="wrap_content"                    android:src="@drawable/font_small"                    android:layout_marginBottom="5dip" />                <TextView                    android:layout_width="wrap_content"                    android:layout_height="wrap_content"                    android:text="@string/menu_font_small"                    android:textAppearance="@style/TextAppearanceUnderMenuIcon" />            </LinearLayout>            <ImageView                android:id="@+id/iv_small_select"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_gravity="bottom|right"                android:layout_marginRight="6dip"                android:layout_marginBottom="-7dip"                android:focusable="false"                android:visibility="gone"                android:src="@drawable/selected" />        </FrameLayout><!--选择正常字号-->        <FrameLayout            android:id="@+id/ll_font_normal"            android:layout_width="0dip"            android:layout_height="wrap_content"            android:layout_weight="1">            <LinearLayout                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:orientation="vertical"                android:layout_gravity="center"                android:gravity="center">                <ImageView                    android:layout_width="wrap_content"                    android:layout_height="wrap_content"                    android:src="@drawable/font_normal"                    android:layout_marginBottom="5dip" />                <TextView                    android:layout_width="wrap_content"                    android:layout_height="wrap_content"                    android:text="@string/menu_font_normal"                    android:textAppearance="@style/TextAppearanceUnderMenuIcon" />            </LinearLayout>            <ImageView                android:id="@+id/iv_medium_select"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_gravity="bottom|right"                android:focusable="false"                android:visibility="gone"                android:layout_marginRight="6dip"                android:layout_marginBottom="-7dip"                android:src="@drawable/selected" /><!--选择大字号-->        <FrameLayout            android:id="@+id/ll_font_large"            android:layout_width="0dip"            android:layout_height="wrap_content"            android:layout_weight="1">            <LinearLayout                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:orientation="vertical"                android:layout_gravity="center"                android:gravity="center">                <ImageView                    android:layout_width="wrap_content"                    android:layout_height="wrap_content"                    android:src="@drawable/font_large"                    android:layout_marginBottom="5dip" />                <TextView                    android:layout_width="wrap_content"                    android:layout_height="wrap_content"                    android:text="@string/menu_font_large"                    android:textAppearance="@style/TextAppearanceUnderMenuIcon" />            </LinearLayout>            <ImageView                android:id="@+id/iv_large_select"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_gravity="bottom|right"                android:focusable="false"                android:visibility="gone"                android:layout_marginRight="6dip"                android:layout_marginBottom="-7dip"                android:src="@drawable/selected" />        </FrameLayout><!--选择超大字号-->        <FrameLayout            android:id="@+id/ll_font_super"            android:layout_width="0dip"            android:layout_height="wrap_content"            android:layout_weight="1">            <LinearLayout                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:orientation="vertical"                android:layout_gravity="center"                android:gravity="center">                <ImageView                    android:layout_width="wrap_content"                    android:layout_height="wrap_content"                    android:src="@drawable/font_super"                    android:layout_marginBottom="5dip" />                <TextView                    android:layout_width="wrap_content"                    android:layout_height="wrap_content"                    android:text="@string/menu_font_super"                    android:textAppearance="@style/TextAppearanceUnderMenuIcon" />            </LinearLayout>            <ImageView                android:id="@+id/iv_super_select"                android:layout_width="wrap_content"                android:layout_height="wrap_content"                android:layout_gravity="bottom|right"                android:focusable="false"                android:visibility="gone"                android:layout_marginRight="6dip"                android:layout_marginBottom="-7dip"                android:src="@drawable/selected" />        </FrameLayout>    </LinearLayout></FrameLayout>

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