花样android Progressbar http://www.eoeandroid.com/thread-1081-1-1.html
http://www.cnblogs.com/xirihanlin/archive/2010/06/14/1758145.html
xml布局文件需加入如下的进度条构件:
<ProgressBar android:id="@+id/loadProgressBar" android:layout_width="wrap_content" android:layout_height="wrap_content" android:indeterminateDrawable="@drawable/progressbar" />
其中的indeterminteDrawable属性就是用来设置进度条颜色等属性的,其内容如下:
<?xml version="1.0" encoding="utf-8"?> <rotate xmlns:android="http://schemas.android.com/apk/res/android" android:fromDegrees="0" android:pivotX="50%" android:pivotY="50%" android:toDegrees="360" > <shape android:innerRadiusRatio="3" android:shape="ring" android:thicknessRatio="8" android:useLevel="false" > <gradient android:centerColor="#FFFFFF" android:centerY="0.50" android:endColor="#FFFF00" android:startColor="#000000" android:type="sweep" android:useLevel="false" /> </shape> </rotate>
参考:http://dev.10086.cn/cmdn/bbs/viewthread.php?tid=18469
http://tienfook.blog.163.com/blog/static/1666620112010528637217/
http://www.ihoton.com/androidandroid-progressbar-color.html
三种方式实现自定义圆形页面加载中效果的进度条:
来自:http://407827531.iteye.com/blog/1067025
默认情况下Indeterminate Progressbar是白色的,如果容器的背景也是白色的,这样就根本看不到Progressbar了。
幸好Android自带了一些反转样式,你可以采用其中一个合适的:
<ProgressBar style="@android:style/Widget.ProgressBar.Inverse"/> <ProgressBar style="@android:style/Widget.ProgressBar.Large.Inverse"/> <ProgressBar style="@android:style/Widget.ProgressBar.Small.Inverse"/>
进度条:
<ProgressBar style="?android:attr/progressBarStyleHorizontal" android:layout_width="fill_parent" android:layout_height="wrap_content" /> <ProgressBar android:id="@+id/circleProgressBar" style="?android:attr/progressBarStyleLarge" android:layout_width="wrap_content" android:layout_height="wrap_content" mce_style="?android:attr/progressBarStyleLarge" />
一、通过动画实现
定义res/anim/loading.xml如下:
<?xml version="1.0" encoding="UTF-8"?> <animation-list xmlns:android="http://schemas.android.com/apk/res/android" android:oneshot="false" > <item android:drawable="@drawable/loading_01" android:duration="150"/> <item android:drawable="@drawable/loading_02" android:duration="150"/> <item android:drawable="@drawable/loading_03" android:duration="150"/> <item android:drawable="@drawable/loading_04" android:duration="150"/> <item android:drawable="@drawable/loading_05" android:duration="150"/> <item android:drawable="@drawable/loading_06" android:duration="150"/> <item android:drawable="@drawable/loading_07" android:duration="150"/> </animation-list>
在layout文件中引用如下:
<ProgressBar android:id="@+id/loading_process_dialog_progressBar" android:layout_width="wrap_content" android:layout_height="wrap_content" android:indeterminate="false" android:indeterminateDrawable="@anim/loading" />
二、通过自定义颜色实现
定义res/drawable/dialog_style_xml_color.xml如下:
<?xml version="1.0" encoding="utf-8"?> <rotate xmlns:android="http://schemas.android.com/apk/res/android" android:fromDegrees="0" android:pivotX="50%" android:pivotY="50%" android:toDegrees="360" > <shape android:innerRadiusRatio="3" android:shape="ring" android:thicknessRatio="8" android:useLevel="false" > <gradient android:centerColor="#FFDC35" android:centerY="0.50" android:endColor="#CE0000" android:startColor="#FFFFFF" android:type="sweep" android:useLevel="false" /> </shape> </rotate>
在layout文件中引用如下:
<ProgressBar android:id="@+id/loading_process_dialog_progressBar" android:layout_width="wrap_content" android:layout_height="wrap_content" android:indeterminate="false" android:indeterminateDrawable="@drawable/dialog_style_xml_color" />
三、使用一张图片进行自定义
定义res/drawable/dialog_style_xml_icon.xml如下:
<?xml version="1.0" encoding="utf-8"?> <layer-list xmlns:android="http://schemas.android.com/apk/res/android" > <item> <rotate android:drawable="@drawable/dialog_progress_round" android:fromDegrees="0.0" android:pivotX="50.0%" android:pivotY="50.0%" android:toDegrees="360.0" /> </item> </layer-list>
在layout文件中引用如下:
<ProgressBar android:id="@+id/loading_process_dialog_progressBar" android:layout_width="wrap_content" android:layout_height="wrap_content" android:indeterminate="false" android:indeterminateDrawable="@drawable/dialog_style_xml_icon" />
或者
<layer-list xmlns:android="http://schemas.android.com/apk/res/android"> <item android:id="@android:id/background"> <shape> <corners android:radius="5dip" /> <gradient android:startColor="#ff9d9e9d" android:centerColor="#ff5a5d5a" android:centerY="0.75" android:endColor="#ff747674" android:angle="270" /> </shape> </item> <item android:id="@android:id/secondaryProgress"> <clip> <shape> <corners android:radius="5dip" /> <gradient android:startColor="#80ffd300" android:centerColor="#80ffb600" android:centerY="0.75" android:endColor="#a0ffcb00" android:angle="270" /> </shape> </clip> </item> <item android:id="@android:id/progress"> <clip> <shape> <corners android:radius="5dip" /> <gradient android:startColor="@color/progress_start" android:endColor="@color/progress_end" android:angle="270" /> </shape> </clip> </item> </layer-list>
代码中设置:
mProgress = (ProgressBar) findViewById(R.id.progress_bar); Drawable d = this.getResources().getDrawable(R.drawable.my_progress); mProgress.setProgressDrawable(d);