Will not make a mistake, only two color, white is the color of the other-CodePudding

 & lt; LinearLayout XMLNS: android="http://schemas.android.com/apk/res/android" 
XMLNS: tools="http://schemas.android.com/tools" 
Android: layout_width="match_parent" 
Android: layout_height="match_parent" 
Tools: context="com. Example. Colore. MainActivity" 
Android: orientation="vertical" & gt; 
The android: id="@ + id/TV" 
Android: layout_width="wrap_content" 
Android: layout_height="wrap_content"/& gt; 
Android: layout_width="wrap_content" 
Android: layout_height="wrap_content" 
Android: text="(0 x0012faff 0 x00ff0000) & gt;> 16==0 x12 "/& gt; 

Android: layout_width="wrap_content" 
Android: layout_height="wrap_content" 
Android: columnCount="3" 
The android: orientation="horizontal" 
Android: rowCount="3" & gt; 


Android: layout_width="80 dp" 
Android: layout_height="80 dp" 
Android: background="# 00 ff0000" 
Android: text="0 x00ff0000"/& gt; 
Android: layout_width="80 dp" 
Android: layout_height="80 dp" 
Android: background="# 00000012" 
Android: text="0 x12"/& gt; 
Android: layout_width="80 dp" 
Android: layout_height="80 dp" 
Android: background="# 0012 faff" 
Android: text="0 x0012faff"/& gt; 
Android: layout_width="80 dp" 
Android: layout_height="80 dp" 
Android: background=# 0000 ff00 "" 
Android: text="0 x0000ff00"/& gt; 
Android: layout_width="80 dp" 
Android: layout_height="80 dp" 
Android: background="# 000000 fa" 
Android: text="0 xfa/& gt;" 
Android: layout_width="80 dp" 
Android: layout_height="80 dp" 
Android: background="# 000000 ff" 
Android: text="0 x000000ff"/& gt; 
Android: layout_width="80 dp" 
Android: layout_height="80 dp" 
Android: background="# 000000 ff" 
Android: text="0 XFF"/& gt; 
Android: layout_width="80 dp" 
Android: layout_height="80 dp" 
Android: background="# 66 CCCC 
"Android: text="0 x66cccc"/& gt; 
Android: layout_width="80 dp" 
Android: layout_height="80 dp" 
Android: background="# 339933" 
Android: text="0 x339933"/& gt;

 public class MainActivity extends the Activity {

@ Override 
Protected void onCreate (Bundle savedInstanceState) {
Super. OnCreate (savedInstanceState); 
setContentView(R.layout.activity_main); 
TextView TextView=(TextView) the findViewById (R.i which v); 
//use the color of the actual value is set the font color 
TextView. SetTextColor (android. Graphics. Color argb (127, 255, 0, 255)); 
} 



}

CodePudding user response:

In RGB color, use # + 2 transparency value (omitted) + 6 RBG value indicates a full color, transparency can be omitted, omit said auto-complete opaque, you value transparency a 00 said fully transparent, so what color is transparent, should use the FF,

CodePudding user response:

,,,,,,,,,,,,,, there is something wrong with the color value