Android dynamic set color for solid color icons

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Used to do a flow of suspended windows, suspended windows with the current network status of the icon and speed of the text, want to change the text color and change the color of the status icon

After the realization of sharing to let everyone refer to the next

First

Here are the key codes

< ImageView   Android:id = "@+id/iv_icon"   android:layout_width= "150DP"  android:layout_height= "150DP"   android:src = "@drawable/icon" />

//set the color of the icon  

 private  void  seticoncolor (ImageView icon, int  R, int  G, int  B, int   a { float  [] ColorMatrix = new  float  []{ 0, 0, 0, 0 0, 0, 0, 0, G,  0, 0, 0, 0, B,  0, 0, 0, (float ) a/255, 0    }; Icon.setcolorfilter ( new   Colormatrixcolorfilter (ColorMatrix));}  

• Want to know the specific principle can look at this article

Android Learning Note 22: Image Color Processing (ColorMatrix)

If the icon is opaque and does not require a change in transparency, there is a simpler way to implement it.

Icon.setcolorfilter (Color.argb (255, R, G, b));

Android dynamic set color for solid color icons