android自定义窗口标题示例分享

<?xml version="1.0" encoding="utf-8"?>
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="horizontal" >
    <textview
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:text="@string/hello_world"
        android:textcolor="#ff00ff"
         />
    <button
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:onclick="add"
        android:text="添加" />
</linearlayout>

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android"
    android:shape="rectangle" >
   <!--  填充色为渐变色,不需要中间颜色startcolor开始和结束的颜色.-->
    <gradient
        android:angle="270"     
        android:endcolor="#1dc9cd"
        android:startcolor="#a2e0fb"/>
    <!-- 定义内间距 -->
    <padding
        android:left="2dp"
        android:top="2dp"
        android:right="2dp"
        android:bottom="2dp" />
</shape>

<relativelayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingbottom="@dimen/activity_vertical_margin"
    android:paddingleft="@dimen/activity_horizontal_margin"
    android:paddingright="@dimen/activity_horizontal_margin"
    android:paddingtop="@dimen/activity_vertical_margin"
    tools:context=".mainactivity" >
    <button
        android:id="@+id/button1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignparentleft="true"
        android:layout_alignparenttop="true"
        android:text="button" />
</relativelayout>

package com.example.customertitle;

import android.app.activity;
import android.os.bundle;
import android.view.menu;
import android.view.view;
import android.view.window;
import android.widget.toast;

//自定义标题
public class mainactivity extends activity {

    @override
    protected void oncreate(bundle savedinstancestate) {
        super.oncreate(savedinstancestate);
        // 1.设置使用自定义窗口
        requestwindowfeature(window.feature_custom_title);
        setcontentview(r.layout.activity_main);
        // 2.给窗口引入自定义标题的xml界面文件
        getwindow().setfeatureint(window.feature_custom_title, r.layout.title);
    }

    public void add(view v) {
        toast.maketext(this, "按钮被点击", toast.length_long).show();
    }

    @override
    public boolean oncreateoptionsmenu(menu menu) {
        getmenuinflater().inflate(r.menu.main, menu);
        return true;
    }
}

<!--2. 注意: 系统窗口的界面文件在android系统源代码android-sdk-windows\platforms\android-8\data\res\layout下的screen_custom_title.xml，内容如下：
           1.一个线性布局-->
 <linearlayoutxmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:fitssystemwindows="true">
    <framelayout android:id="@android:id/title_container"
        android:layout_width="match_parent"
        android:layout_height="?android:attr/windowtitlesize"
        style="?android:attr/windowtitlebackgroundstyle">
    </framelayout>
    <framelayout android:id="@android:id/content"
        android:layout_width="match_parent"
        android:layout_height="0dip"
         android:layout_weight="1"
        android:foregroundgravity="fill_horizontal|top"
        android:foreground="?android:attr/windowcontentoverlay" />
 </linearlayout>

   <style name="theme">
       <itemname="windowcontentoverlay">@android:drawable/title_bar_shadow</item>
        <itemname="windowtitlesize">25dip</item>
       <itemname="windowtitlebackgroundstyle">@android:style/windowtitlebackground</item>
   </style>
@android:style/windowtitlebackground样式在android-sdk-windows\platforms\android-8\data\res\values下的styles.xml文件中定义：
   <style name="windowtitlebackground">
        <itemname="android:background">@android:drawable/title_bar</item>
   </style>

<resources xmlns:android="http://schemas.android.com/apk/res/android">
    <!-- 定义一个样式，覆盖原有主题样式  -->
    <style name="mytheme" parent="android:theme">
        <item name="android:windowcontentoverlay">@drawable/color</item>
        <item name="android:windowtitlesize">50dp</item>
        <item name="android:windowtitlebackgroundstyle">@style/textviewbg</item>
    </style>

    <style name="textviewbg">
        <item name="android:background">@drawable/rectangle</item>
    </style>
</resources>

<?xml version="1.0" encoding="utf-8"?>
<resources>

    <string name="app_name">customertitle</string>
    <string name="action_settings">settings</string>
    <string name="hello_world">自定义标题</string>
    <drawable name="color">#00000000</drawable>
</resources>