How to use Color Resources in android Development

This article mainly explains "how to use color resources in android development", the content of the article is simple and clear, easy to learn and understand, the following please follow the editor's ideas slowly in depth, together to study and learn "how to use color resources in android development" bar!

Define an Android project named "Chapter03_Resource". In the project's resvalues directory, define a colors.xml color resource file, as shown below.

# f00

# 0000ff

Define a layout resource file under the reslayout directory of the project, add a TextView view component to the file, reference the color resource, and set the text color of the view component TextView to blue.

Define a TestColorActivity class, reference the color resource file, and set the background color to red.

Package com.amaker.ch03.color

Import android.app.Activity

Import android.os.Bundle

Import com.amaker.test.R

Public class TestColorActivity extends Activity {

@ Override

Public void onCreate (Bundle savedInstanceState) {

Super.onCreate (savedInstanceState)

SetContentView (R.layout.test_color)

/ / reference the color resource and set the background color to red

GetWindow () setBackgroundDrawableResource (R.color.red_bg)

}

}

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