Android圆环形颜色选择器：HoloColorPicker

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：

<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

<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

<com.larswerkman.holocolorpicker.OpacityBar

android:id="@+id/opacitybar"

android:layout_width="wrap_content"

android:layout_height="wrap_content"/>

Saturation bar

<com.larswerkman.holocolorpicker.SaturationBar

android:id="@+id/saturationbar"

android:layout_width="wrap_content"

android:layout_height="wrap_content"/>

and a Value bar

<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.

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 color

picker.getColor();

//To set the old selected color u can do it like this

picker.setOldCenterColor(picker.getColor());

// adds listener to the colorpicker which is implemented

//in the activity

picker.setOnColorChangedListener(this);

巴特西