2012-11-12 18 views
6

Ho una lista di coloriAndroid ottenere un elenco di colori da risorsa

<?xml version="1.0" encoding="utf-8"?> 
<resources> 
<color name="white">#FFFFFF</color> 
<color name="yellow">#FFFF00</color> 
<color name="fuchsia">#FF00FF</color> 
<color name="red">#FF0000</color> 
<color name="silver">#C0C0C0</color> 
<color name="gray">#808080</color> 
<color name="olive">#808000</color> 
<color name="purple">#800080</color> 
<color name="maroon">#800000</color> 
<color name="aqua">#00FFFF</color> 
<color name="lime">#00FF00</color> 
<color name="teal">#008080</color> 
<color name="green">#008000</color> 
<color name="blue">#0000FF</color> 
<color name="navy">#000080</color> 
<color name="black">#000000</color> 
</resources> 

(ho preso questa lista da un'altra domanda qualcuno ha chiesto)

Quello che voglio fare è ottenere tutti i nomi dei colori . Voglio la lista in modo da poter poi popolare il lotto in uno spinner. Lo pseudo codice sarebbe così.

List ofColours = getListOfColors(R.color); 
for(int i = 0 ; i < ofColours.size() ; i ++) 
{ 
    String colour = getResources().getColor(ofColours.get(i)); 
    addColourToSpinner(colour); 
} 

Quello che voglio è la lista dei colori. Spero che questo spieghi Cheers per tutto l'aiuto

+2

[Ti sembro un Guru?] (Http://programmer.97things.oreilly.com/wiki/index.php/The_Guru_Myth) –

+1

Quindi .. qual è esattamente la domanda qui? – Arcshade

+0

Come ottengo un elenco dei colori! – bubblebath

risposta

8

È possibile accedere alla lista dei colori utilizzando la riflessione:

Field[] fields = Class.forName(getPackageName()+".R$color").getDeclaredFields(); 
for(Field field : fields) { 
    String colorName = field.getName(); 
    int colorId = field.getInt(null); 
    int color = getResources().getColor(colorId); 
    Log.i("test", colorName + " => " + colorId + " => " + color); 
} 
+0

Funziona effettivamente sui tipi R.xxx? –

+0

Non vedo perché non funzionerebbe – fiddler

+0

funziona benissimo .. – auselen

1

Perché non creare semplicemente due array nel tuo strings.xml o arrays.xml. Qualcosa di simile a questo:

<?xml version="1.0" encoding="utf-8"?> 
<resources> 
    <string-array name="items"> 
     <item>white</item> 
     <item>yellow</item> 
     <item>fuchsia</item> 
     <item>red</item> 
    </string-array> 
    <string-array name="values"> 
     <item>#FFFFFF</item> 
     <item>#FFFF00</item> 
     <item>#FF00FF</item> 
     <item>#FF0000</item> 
    </string-array> 
</resources> 

È possibile seguire un semplice esempio su developer.android.com qui: http://developer.android.com/guide/topics/ui/controls/spinner.html.

Questo è un altro tutorial: http://www.dcpagesapps.com/developer-resources/android/21-android-tutorial-spinners?start=1

che dovrebbe iniziare.

5

sono rimasto bloccato a fare questo per il mio progetto. Ci è voluto molto tempo per fare questo e spero che aiuti alcune persone. Ho finito combinando un esempio da qui

http://www.ipcas.com/blog/2011/12/android-color-picker/

e una lista di colore fornito da qui

Web colors in an Android color xml resource file

Basta eliminare i colori non avete bisogno e fare quello che vuoi. (molto più velocemente che fare il proprio)

Questo è il mio strings.xml

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

<string name="app_name">AppName</string> 
<string name="action_settings">Settings</string> 
<string name="hello_world">Hello world!</string> 
<string name="title_activity_visitor">Visitor</string> 
<!-- Translation: Hint: White, Blue, Red...--> 
<string name="accolor">Hint: White, Blue, Red&#8230;</string> 


<integer name="colorGridColumnWidth">65</integer> 




<color name="AliceBlue">#F0F8FF</color> 
<color name="AntiqueWhite">#FAEBD7</color> 
<color name="aqua">#00FFFF</color> 
<color name="Aqua">#00FFFF</color> 
<color name="Aquamarine">#7FFFD4</color> 
<color name="Azure">#F0FFFF</color> 
<color name="Beige">#F5F5DC</color> 
<color name="Bisque">#FFE4C4</color> 
<color name="black">#000000</color> 
<color name="Black">#000000</color> 
<color name="BlanchedAlmond">#FFEBCD</color> 
<color name="Blue">#0000FF</color> 
<color name="BlueViolet">#8A2BE2</color> 
<color name="Brown">#A52A2A</color> 
<color name="BurlyWood">#DEB887</color> 
<color name="CadetBlue">#5F9EA0</color> 
<color name="Chartreuse">#7FFF00</color> 
<color name="Chocolate">#D2691E</color> 
<color name="Coral">#FF7F50</color> 
<color name="CornflowerBlue">#6495ED</color> 
<color name="Cornsilk">#FFF8DC</color> 
<color name="Crimson">#DC143C</color> 
<color name="Cyan">#00FFFF</color> 
<color name="DarkBlue">#00008B</color> 
<color name="DarkCyan">#008B8B</color> 
<color name="DarkGoldenrod">#B8860B</color> 
<color name="DarkGray">#A9A9A9</color> 
<color name="DarkGreen">#006400</color> 
<color name="DarkKhaki">#BDB76B</color> 
<color name="DarkMagenta">#8B008B</color> 
<color name="DarkOliveGreen">#556B2F</color> 
<color name="DarkOrange">#FF8C00</color> 
<color name="DarkOrchid">#9932CC</color> 
<color name="DarkRed">#8B0000</color> 
<color name="DarkSalmon">#E9967A</color> 
<color name="DarkSeaGreen">#8FBC8F</color> 
<color name="DarkSlateBlue">#483D8B</color> 
<color name="DarkSlateGray">#2F4F4F</color> 
<color name="DarkTurquoise">#00CED1</color> 
<color name="DarkViolet">#9400D3</color> 
<color name="DeepPink">#FF1493</color> 
<color name="DeepSkyBlue">#00BFFF</color> 
<color name="DimGray">#696969</color> 
<color name="DodgerBlue">#1E90FF</color> 
<color name="dullwhite">#FFDDDDDD</color> 
<color name="FireBrick">#B22222</color> 
<color name="FloralWhite">#FFFAF0</color> 
<color name="ForestGreen">#228B22</color> 
<color name="fuchsia">#FF00FF</color> 
<color name="Fuchsia">#FF00FF</color> 
<color name="Gainsboro">#DCDCDC</color> 
<color name="GhostWhite">#F8F8FF</color> 
<color name="Gold">#FFD700</color> 
<color name="Goldenrod">#DAA520</color> 
<color name="gray">#808080</color> 
<color name="Gray">#808080</color> 
<color name="green">#008000</color> 
<color name="Green">#008000</color> 
<color name="GreenYellow">#ADFF2F</color> 
<color name="Honeydew">#F0FFF0</color> 
<color name="HotPink">#FF69B4</color> 
<color name="IndianRed">#CD5C5C</color> 
<color name="Indigo">#4B0082</color> 
<color name="Ivory">#FFFFF0</color> 
<color name="Khaki">#F0E68C</color> 
<color name="Lavender">#E6E6FA</color> 
<color name="LavenderBlush">#FFF0F5</color> 
<color name="LawnGreen">#7CFC00</color> 
<color name="LemonChiffon">#FFFACD</color> 
<color name="LightBlue">#ADD8E6</color> 
<color name="LightCoral">#F08080</color> 
<color name="LightCyan">#E0FFFF</color> 
<color name="LightGoldenrodYellow">#FAFAD2</color> 
<color name="LightGreen">#90EE90</color> 
<color name="LightGrey">#D3D3D3</color> 
<color name="LightPink">#FFB6C1</color> 
<color name="LightSalmon">#FFA07A</color> 
<color name="LightSeaGreen">#20B2AA</color> 
<color name="LightSkyBlue">#87CEFA</color> 
<color name="LightSlateGray">#778899</color> 
<color name="LightSteelBlue">#B0C4DE</color> 
<color name="LightYellow">#FFFFE0</color> 
<color name="lime">#00FF00</color> 
<color name="Lime">#00FF00</color> 
<color name="LimeGreen">#32CD32</color> 
<color name="Linen">#FAF0E6</color> 
<color name="Magenta">#FF00FF</color> 
<color name="maroon">#800000</color> 
<color name="Maroon">#800000</color> 
<color name="MediumAquamarine">#66CDAA</color> 
<color name="MediumBlue">#0000CD</color> 
<color name="MediumOrchid">#BA55D3</color> 
<color name="MediumPurple">#9370DB</color> 
<color name="MediumSeaGreen">#3CB371</color> 
<color name="MediumSlateBlue">#7B68EE</color> 
<color name="MediumSpringGreen">#00FA9A</color> 
<color name="MediumTurquoise">#48D1CC</color> 
<color name="MediumVioletRed">#C71585</color> 
<color name="MidnightBlue">#191970</color> 
<color name="MintCream">#F5FFFA</color> 
<color name="MistyRose">#FFE4E1</color> 
<color name="Moccasin">#FFE4B5</color> 
<color name="NavajoWhite">#FFDEAD</color> 
<color name="navy">#000080</color> 
<color name="Navy">#000080</color> 
<color name="OldGold">#CFB53B</color> 
<color name="OldLace">#FDF5E6</color> 
<color name="olive">#808000</color> 
<color name="Olive">#808000</color> 
<color name="OliveDrab">#6B8E23</color> 
<color name="Orange">#FFA500</color> 
<color name="OrangeRed">#FF4500</color> 
<color name="Orchid">#DA70D6</color> 
<color name="PaleGoldenrod">#EEE8AA</color> 
<color name="PaleGreen">#98FB98</color> 
<color name="PaleTurquoise">#AFEEEE</color> 
<color name="PaleVioletRed">#DB7093</color> 
<color name="PapayaWhip">#FFEFD5</color> 
<color name="PeachPuff">#FFDAB9</color> 
<color name="Peru">#CD853F</color> 
<color name="Pink">#FFC0CB</color> 
<color name="Plum">#DDA0DD</color> 
<color name="PowderBlue">#B0E0E6</color> 
<color name="purple">#800080</color> 
<color name="Purple">#800080</color> 
<color name="red">#FF0000</color> 
<color name="Red">#FF0000</color> 
<color name="RosyBrown">#BC8F8F</color> 
<color name="RoyalBlue">#4169E1</color> 
<color name="SaddleBrown">#8B4513</color> 
<color name="Salmon">#FA8072</color> 
<color name="SandyBrown">#F4A460</color> 
<color name="SeaGreen">#2E8B57</color> 
<color name="Seashell">#FFF5EE</color> 
<color name="Sienna">#A0522D</color> 
<color name="silver">#C0C0C0</color> 
<color name="Silver">#C0C0C0</color> 
<color name="SkyBlue">#87CEEB</color> 
<color name="SlateBlue">#6A5ACD</color> 
<color name="SlateGray">#708090</color> 
<color name="Snow">#FFFAFA</color> 
<color name="SpringGreen">#00FF7F</color> 
<color name="SteelBlue">#4682B4</color> 
<color name="Tan">#D2B48C</color> 
<color name="teal">#008080</color> 
<color name="Teal">#008080</color> 
<color name="Thistle">#D8BFD8</color> 
<color name="Tomato">#FF6347</color> 
<color name="Turquoise">#40E0D0</color> 
<color name="Violet">#EE82EE</color> 
<color name="Wheat">#F5DEB3</color> 
<color name="white">#FFFFFFFF</color> 
<color name="White">#FFFFFF</color> 
<color name="WhiteSmoke">#F5F5F5</color> 
<color name="yellow">#FFFF00</color> 
<color name="Yellow">#FFFF00</color> 
<color name="YellowGreen">#9ACD32</color> 


<array name="colorNameList"> 
    <item>AliceBlue</item> 
    <item>AntiqueWhite</item> 
    <item>Aqua</item> 
    <item>Aquamarine</item> 
    <item>Azure</item> 
    <item>Beige</item> 
    <item>Bisque</item> 
    <item>Black</item> 
    <item>BlanchedAlmond</item> 
    <item>Blue</item> 
    <item>BlueViolet</item> 
    <item>Brown</item> 
    <item>BurlyWood</item> 
    <item>CadetBlue</item> 
    <item>Chartreuse</item> 
    <item>Chocolate</item> 
    <item>Coral</item> 
    <item>CornflowerBlue</item> 
    <item>Cornsilk</item> 
    <item>Crimson</item> 
    <item>Cyan</item> 
    <item>DarkBlue</item> 
    <item>DarkCyan</item> 
    <item>DarkGoldenrod</item> 
    <item>DarkGray</item> 
    <item>DarkGreen</item> 
    <item>DarkKhaki</item> 
    <item>DarkMagenta</item> 
    <item>DarkOliveGreen</item> 
    <item>DarkOrange</item> 
    <item>DarkOrchid</item> 
    <item>DarkRed</item> 
    <item>DarkSalmon</item> 
    <item>DarkSeaGreen</item> 
    <item>DarkSlateBlue</item> 
    <item>DarkSlateGray</item> 
    <item>DarkTurquoise</item> 
    <item>DarkViolet</item> 
    <item>DeepPink</item> 
    <item>DeepSkyBlue</item> 
    <item>DimGray</item> 
    <item>DodgerBlue</item> 
    <item>FireBrick</item> 
    <item>FloralWhite</item> 
    <item>ForestGreen</item> 
    <item>Fuchsia</item> 
    <item>Gainsboro</item> 
    <item>GhostWhite</item> 
    <item>Gold</item> 
    <item>Goldenrod</item> 
    <item>Gray</item> 
    <item>Green</item> 
    <item>GreenYellow</item> 
    <item>Honeydew</item> 
    <item>HotPink</item> 
    <item>IndianRed</item> 
    <item>Indigo</item> 
    <item>Ivory</item> 
    <item>Khaki</item> 
    <item>Lavender</item> 
    <item>LavenderBlush</item> 
    <item>LawnGreen</item> 
    <item>LemonChiffon</item> 
    <item>LightBlue</item> 
    <item>LightCoral</item> 
    <item>LightCyan</item> 
    <item>LightGoldenrodYellow</item> 
    <item>LightGreen</item> 
    <item>LightGrey</item> 
    <item>LightPink</item> 
    <item>LightSalmon</item> 
    <item>LightSeaGreen</item> 
    <item>LightSkyBlue</item> 
    <item>LightSlateGray</item> 
    <item>LightSteelBlue</item> 
    <item>LightYellow</item> 
    <item>Lime</item> 
    <item>LimeGreen</item> 
    <item>Linen</item> 
    <item>Magenta</item> 
    <item>Maroon</item> 
    <item>MediumAquamarine</item> 
    <item>MediumBlue</item> 
    <item>MediumOrchid</item> 
    <item>MediumPurple</item> 
    <item>MediumSeaGreen</item> 
    <item>MediumSlateBlue</item> 
    <item>MediumSpringGreen</item> 
    <item>MediumTurquoise</item> 
    <item>MediumVioletRed</item> 
    <item>MidnightBlue</item> 
    <item>MintCream</item> 
    <item>MistyRose</item> 
    <item>Moccasin</item> 
    <item>NavajoWhite</item> 
    <item>Navy</item> 
    <item>OldGold</item> 
    <item>OldLace</item> 
    <item>Olive</item> 
    <item>OliveDrab</item> 
    <item>Orange</item> 
    <item>OrangeRed</item> 
    <item>Orchid</item> 
    <item>PaleGoldenrod</item> 
    <item>PaleGreen</item> 
    <item>PaleTurquoise</item> 
    <item>PaleVioletRed</item> 
    <item>PapayaWhip</item> 
    <item>PeachPuff</item> 
    <item>Peru</item> 
    <item>Pink</item> 
    <item>Plum</item> 
    <item>PowderBlue</item> 
    <item>Purple</item> 
    <item>Red</item> 
    <item>RosyBrown</item> 
    <item>RoyalBlue</item> 
    <item>SaddleBrown</item> 
    <item>Salmon</item> 
    <item>SandyBrown</item> 
    <item>SeaGreen</item> 
    <item>Seashell</item> 
    <item>Sienna</item> 
    <item>Silver</item> 
    <item>SkyBlue</item> 
    <item>SlateBlue</item> 
    <item>SlateGray</item> 
    <item>Snow</item> 
    <item>SpringGreen</item> 
    <item>SteelBlue</item> 
    <item>Tan</item> 
    <item>Teal</item> 
    <item>Thistle</item> 
    <item>Tomato</item> 
    <item>Turquoise</item> 
    <item>Violet</item> 
    <item>Wheat</item> 
    <item>WhiteSmoke</item> 
    <item>Yellow</item> 
    <item>YellowGreen</item> 
</array> 








<array name="colorNumberList"> 
    <item>@color/AliceBlue</item> 
    <item>@color/AntiqueWhite</item> 
    <item>@color/Aqua</item> 
    <item>@color/Aquamarine</item> 
    <item>@color/Azure</item> 
    <item>@color/Beige</item> 
    <item>@color/Bisque</item> 
    <item>@color/Black</item> 
    <item>@color/BlanchedAlmond</item> 
    <item>@color/Blue</item> 
    <item>@color/BlueViolet</item> 
    <item>@color/Brown</item> 
    <item>@color/BurlyWood</item> 
    <item>@color/CadetBlue</item> 
    <item>@color/Chartreuse</item> 
    <item>@color/Chocolate</item> 
    <item>@color/Coral</item> 
    <item>@color/CornflowerBlue</item> 
    <item>@color/Cornsilk</item> 
    <item>@color/Crimson</item> 
    <item>@color/Cyan</item> 
    <item>@color/DarkBlue</item> 
    <item>@color/DarkCyan</item> 
    <item>@color/DarkGoldenrod</item> 
    <item>@color/DarkGray</item> 
    <item>@color/DarkGreen</item> 
    <item>@color/DarkKhaki</item> 
    <item>@color/DarkMagenta</item> 
    <item>@color/DarkOliveGreen</item> 
    <item>@color/DarkOrange</item> 
    <item>@color/DarkOrchid</item> 
    <item>@color/DarkRed</item> 
    <item>@color/DarkSalmon</item> 
    <item>@color/DarkSeaGreen</item> 
    <item>@color/DarkSlateBlue</item> 
    <item>@color/DarkSlateGray</item> 
    <item>@color/DarkTurquoise</item> 
    <item>@color/DarkViolet</item> 
    <item>@color/DeepPink</item> 
    <item>@color/DeepSkyBlue</item> 
    <item>@color/DimGray</item> 
    <item>@color/DodgerBlue</item> 
    <item>@color/FireBrick</item> 
    <item>@color/FloralWhite</item> 
    <item>@color/ForestGreen</item> 
    <item>@color/Fuchsia</item> 
    <item>@color/Gainsboro</item> 
    <item>@color/GhostWhite</item> 
    <item>@color/Gold</item> 
    <item>@color/Goldenrod</item> 
    <item>@color/Gray</item> 
    <item>@color/Green</item> 
    <item>@color/GreenYellow</item> 
    <item>@color/Honeydew</item> 
    <item>@color/HotPink</item> 
    <item>@color/IndianRed</item> 
    <item>@color/Indigo</item> 
    <item>@color/Ivory</item> 
    <item>@color/Khaki</item> 
    <item>@color/Lavender</item> 
    <item>@color/LavenderBlush</item> 
    <item>@color/LawnGreen</item> 
    <item>@color/LemonChiffon</item> 
    <item>@color/LightBlue</item> 
    <item>@color/LightCoral</item> 
    <item>@color/LightCyan</item> 
    <item>@color/LightGoldenrodYellow</item> 
    <item>@color/LightGreen</item> 
    <item>@color/LightGrey</item> 
    <item>@color/LightPink</item> 
    <item>@color/LightSalmon</item> 
    <item>@color/LightSeaGreen</item> 
    <item>@color/LightSkyBlue</item> 
    <item>@color/LightSlateGray</item> 
    <item>@color/LightSteelBlue</item> 
    <item>@color/LightYellow</item> 
    <item>@color/Lime</item> 
    <item>@color/LimeGreen</item> 
    <item>@color/Linen</item> 
    <item>@color/Magenta</item> 
    <item>@color/Maroon</item> 
    <item>@color/MediumAquamarine</item> 
    <item>@color/MediumBlue</item> 
    <item>@color/MediumOrchid</item> 
    <item>@color/MediumPurple</item> 
    <item>@color/MediumSeaGreen</item> 
    <item>@color/MediumSlateBlue</item> 
    <item>@color/MediumSpringGreen</item> 
    <item>@color/MediumTurquoise</item> 
    <item>@color/MediumVioletRed</item> 
    <item>@color/MidnightBlue</item> 
    <item>@color/MintCream</item> 
    <item>@color/MistyRose</item> 
    <item>@color/Moccasin</item> 
    <item>@color/NavajoWhite</item> 
    <item>@color/Navy</item> 
    <item>@color/OldGold</item> 
    <item>@color/OldLace</item> 
    <item>@color/Olive</item> 
    <item>@color/OliveDrab</item> 
    <item>@color/Orange</item> 
    <item>@color/OrangeRed</item> 
    <item>@color/Orchid</item> 
    <item>@color/PaleGoldenrod</item> 
    <item>@color/PaleGreen</item> 
    <item>@color/PaleTurquoise</item> 
    <item>@color/PaleVioletRed</item> 
    <item>@color/PapayaWhip</item> 
    <item>@color/PeachPuff</item> 
    <item>@color/Peru</item> 
    <item>@color/Pink</item> 
    <item>@color/Plum</item> 
    <item>@color/PowderBlue</item> 
    <item>@color/Purple</item> 
    <item>@color/Red</item> 
    <item>@color/RosyBrown</item> 
    <item>@color/RoyalBlue</item> 
    <item>@color/SaddleBrown</item> 
    <item>@color/Salmon</item> 
    <item>@color/SandyBrown</item> 
    <item>@color/SeaGreen</item> 
    <item>@color/Seashell</item> 
    <item>@color/Sienna</item> 
    <item>@color/Silver</item> 
    <item>@color/SkyBlue</item> 
    <item>@color/SlateBlue</item> 
    <item>@color/SlateGray</item> 
    <item>@color/Snow</item> 
    <item>@color/SpringGreen</item> 
    <item>@color/SteelBlue</item> 
    <item>@color/Tan</item> 
    <item>@color/Teal</item> 
    <item>@color/Thistle</item> 
    <item>@color/Tomato</item> 
    <item>@color/Turquoise</item> 
    <item>@color/Violet</item> 
    <item>@color/Wheat</item> 
    <item>@color/WhiteSmoke</item> 
    <item>@color/Yellow</item> 
    <item>@color/YellowGreen</item> 


</array> 
</resources> 

successivo ho usato il ColorPickerDialog fornito da

http://www.ipcas.com/blog/2011/12/android-color-picker/

public class ColorPickerDialog extends Dialog { 

    public ColorPickerDialog(Context context) { 
     super(context); 
     this.setTitle("ColorPickerDialog"); 
    } 

    @Override 
    protected void onCreate(Bundle savedInstanceState) { 
     super.onCreate(savedInstanceState); 
     setContentView(R.layout.color_picker); 

     GridView gridViewColors = (GridView) findViewById(R.id.gridViewColors); 
     gridViewColors.setAdapter(new ColorPickerAdapter(getContext())); 

     // close the dialog on item click 
     gridViewColors.setOnItemClickListener(new OnItemClickListener() { 
      @Override 
      public void onItemClick(AdapterView<?> parent, View view, int position, long id) { 
       ColorPickerDialog.this.dismiss(); 
      } 
     }); 
    } 
} 

con questo pure.

public class ColorPickerAdapter extends BaseAdapter { 

    private Context context; 
    // width of grid column 
    int colorGridColumnWidth; 
    //array of color values 
    int[] colorNumberarray; 
    // array of color names 
    String[] colorNameArray; 

    public ColorPickerAdapter(Context context) { 
     this.context = context; 

     // defines the width of each color square 
     colorGridColumnWidth = context.getResources().getInteger(R.integer.colorGridColumnWidth); 


     //fill colorNumberarray with values from the colorNumberList Array in strings.xml 
     colorNumberarray = context.getResources().getIntArray(R.array.colorNumberList); 
     //fill colorNameArray with values from the colorNameArray Array in strings.xml 
     colorNameArray = context.getResources().getStringArray(R.array.colorNameList); 

     //Show results in verbose Log 
     for (int i = 0; i < colorNumberarray.length; i++) { 
      Log.v("Test", colorNumberarray[i] + ""); 
      Log.v("Test", colorNameArray[i] + ""); 


     } 



    } 


    public View getView(int position, View convertView, ViewGroup parent) { 
     ImageView imageView; 

     // can we reuse a view? 
     if (convertView == null) { 
      imageView = new ImageView(context); 
      // set the width of each color square 
      imageView.setLayoutParams(new GridView.LayoutParams(colorGridColumnWidth, colorGridColumnWidth)); 

     } else { 
      imageView = (ImageView) convertView; 
     } 

     imageView.setBackgroundColor(colorNumberarray[position]); 
     imageView.setId(position); 

     return imageView; 
    } 

    public int getCount() { 
     return colorNumberarray.length; 
    } 

    public Object getItem(int position) { 
     return null; 
    } 

    public long getItemId(int position) { 
     return 0; 
    } 
} 

Speriamo che questo salvi le persone un po 'di tempo.

Poi si avvia la finestra di dialogo,

IBcolorpicker.setOnClickListener(new View.OnClickListener() { 
     Dialog dialog; 
     @Override 
     public void onClick(View v) { 
      // Clicked! 
      // Make a new dialog. 
      dialog = new ColorPickerDialog(Visitor.this); 
      dialog.show(); 
     } 
    }); 
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