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HoloColorPicker实现圆环形颜色选择器，可以改变颜色饱和度来选择颜色。选择颜色时，可以用手指沿着圆环滑动一个滑块，从而选择颜色。
添加以下XML至你的布局中：
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<com.larswerkman.holocolorpicker.ColorPicker android:id="@+id/picker" android:layout_width="wrap_content" android:layout_height="wrap_content"/> |
To add a Saturation/Value bar to your layout add this to your xml
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<com.larswerkman.holocolorpicker.SVBar android:id="@+id/svbar" android:layout_width="wrap_content" android:layout_height="wrap_content"/> |
The same goes for the Opacity bar
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<com.larswerkman.holocolorpicker.OpacityBar android:id="@+id/opacitybar" android:layout_width="wrap_content" android:layout_height="wrap_content"/> |
Saturation bar
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<com.larswerkman.holocolorpicker.SaturationBar android:id="@+id/saturationbar" android:layout_width="wrap_content" android:layout_height="wrap_content"/> |
and a Value bar
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<com.larswerkman.holocolorpicker.ValueBar android:id="@+id/valuebar" android:layout_width="wrap_content" android:layout_height="wrap_content"/> |
To connect the bars with the colorpicker and to get the selected color.
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ColorPicker picker = (ColorPicker) findViewById(R.id.picker);SVBar svBar = (SVBar) findViewById(R.id.svbar);OpacityBar opacityBar = (OpacityBar) findViewById(R.id.opacitybar);SaturationBar saturationBar = (SaturationBar) findViewById(R.id.saturationbar);ValueBar valueBar = (ValueBar) findViewById(R.id.valuebar);picker.addSVBar(svBar);picker.addOpacityBar(opacityBar);picker.addSaturationBar(saturationBar);picker.addValueBar(valueBar);//To get the colorpicker.getColor();//To set the old selected color u can do it like thispicker.setOldCenterColor(picker.getColor());// adds listener to the colorpicker which is implemented//in the activitypicker.setOnColorChangedListener(this); |
项目主页：http://www.open-open.com/lib/view/home/1389353422164
Android圆环形颜色选择器：HoloColorPicker
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原文地址：http://www.cnblogs.com/Free-Thinker/p/4581581.html
