Android _ set the color and font of the control (001)

Set the color and font of the control.

Code:

Package com. oyzz. a7_6;

Import Android. App. activity;
/* The graphics. Color must be referenced to use the color. * object */
Import Android. Graphics. color;
Import Android. Graphics. typeface;

Import Android. OS. Bundle;
Import Android. View. view;

/* Widget. Button must be referenced to declare the use of the button object */
Import Android. widget. Button;

/* You must reference widget. textview to declare the use of the testview object */
Import Android. widget. textview;
Public class a7_6 extends Activity
{
Private button mbutton;
Private textview mtext;
Private int [] mcolors;
Private int colornum;
Private button fontbutton;

/** Called when the activity is first created .*/
@ Override

Public void oncreate (bundle savedinstancestate)
{
Super. oncreate (savedinstancestate );
Setcontentview (R. layout. Main );

/* Use the findviewbyid constructor to use main. xml and string. xml
Parameters of Button and textview */
Mbutton = (button) findviewbyid (R. Id. mybutton );
Mtext = (textview) findviewbyid (R. Id. mytext );
Fontbutton = (button) findviewbyid (R. Id. mybutton1 );

/* Declare and construct an integer array to store the color of the text to be used */
Mcolors = new int []
{
Color. Black, color. Red, color. Blue,
Color. Green, color. Magenta, color. Yellow
};
Colornum = 0;
// Obtain the color in the color. xml file.
Int B = getresources (). getcolor (R. drawable. Blue); // obtain the color in the configuration file.
Mbutton. settextcolor (B );
/* Use setonclicklistener to let the button listen to the event */
Mbutton. setonclicklistener (New View. onclicklistener ()
{
/* Use onclick to allow the user to click a button to change the text color */
Public void onclick (view V)
{
If (colornum <mcolors. length)
{
Mtext. settextcolor (mcolors [colornum]);
Colornum ++;
}
Else
Colornum = 0;
}
});

Fontbutton. setonclicklistener (New button. onclicklistener (){
Public void onclick (view v ){
Mtext. settypeface (typeface. createfromasset (getassets (), "fonts/handmadetypewriter. TTF"); // set the font
Fontbutton. settypeface (typeface. defaultfromstyle (typeface. italic); // you can set this parameter internally.
}
});
}
}

Main. xml:

<? XML version = "1.0" encoding = "UTF-8"?>

<! -- Layout uses a white background -->
<Linearlayout
Android: Id = "@ + ID/widget27"
Android: layout_width = "fill_parent"
Android: layout_height = "fill_parent"
Android: Background = "@ drawable/White"
Xmlns: Android = "http://schemas.android.com/apk/res/android"
Android: Orientation = "vertical"
>
<! --
Use mytext as the ID and use string. xml
Textview_str numeric to set the text color to gray
-->
<Textview
Android: Id = "@ + ID/mytext"
Android: layout_width = "wrap_content"
Android: layout_height = "wrap_content"
Android: text = "@ string/textview_str"
Android: textcolor = "@ drawable/darkgray"
>
</Textview>
<! -- Use mybutton as ID in string. xml
Button_str numeric
-->
<Button
Android: Id = "@ + ID/mybutton"
Android: layout_width = "wrap_content"
Android: layout_height = "wrap_content"
Android: text = "@ string/button_str"
>
</Button>
<Button
Android: Id = "@ + ID/mybutton1"
Android: layout_width = "wrap_content"
Android: layout_height = "wrap_content"
Android: text = "font"
>
</Button>
</Linearlayout>

Color. xml:

<? XML version = "1.0" encoding = "UTF-8"?>
<Resources>
<Drawable name = "darkgray"> # 404040ff </drawable>
<Drawable name = "black"> #000 </drawable>
<Drawable name = "red"> # ff00ff </drawable>
<Drawable name = "green"> # 0ff0ff </drawable>
<Drawable name = "lightgray"> # c0c0c0ff </drawable>
<Drawable name = "white"> # ffffffff </drawable>
<Drawable name = "yellow"> # ffff33ff </drawable>
<Drawable name = "blue"> #00 FFFF </drawable>
<Drawable name = "gray"> # 808080ff </drawable>
<Drawable name = "Magenta"> # ff6699ff </drawable>
<Drawable name = "cyan"> #66 ffffff </drawable>
</Resources>

Strings. xml:

<? XML version = "1.0" encoding = "UTF-8"?>
<Resources>
<String name = "hello"> Hello world, ex03_13 </string>
<String name = "app_name"> ex03_13 </string>
<String name = "textview_str"> turn to colorful neon lights </string>
<String name = "button_str"> press me </string>
</Resources>

Experience:

1. Use the code to set the color of the control:
Int B = getresources (). getcolor (R. drawable. Blue); // obtain the color in the configuration file.
Mbutton. settextcolor (B );

2. Set the font of the space:
Method 1: mtext. settypeface (typeface. createfromasset (getassets (), "fonts/handmadetypewriter. TTF"); // set the font
Note: 1. Ensure that the file must be in TTF format; 2. Put it in the assets/fonts directory; 3. If the corresponding font cannot be found, no error is reported, but it cannot be displayed during running.
Method 2: fontbutton. settypeface (typeface. defaultfromstyle (typeface. italic); // set it in the internal supported Mode

 

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