android.widget.RelativeLayout.setBackgroundColor is a method used in Android development to set the background color of a RelativeLayout widget programmatically. This method takes a single parameter which is the color value in the form of an integer.
Examples: 1. Setting the background color of a RelativeLayout to red: RelativeLayout relativeLayout = findViewById(R.id.relativeLayout); relativeLayout.setBackgroundColor(Color.RED);
2. Setting the background color of a RelativeLayout to a custom color defined in colors.xml: RelativeLayout relativeLayout = findViewById(R.id.relativeLayout); relativeLayout.setBackgroundColor(ContextCompat.getColor(this, R.color.my_color));
Package library: android.widget
Note: Before using setBackgroundColor method, make sure to import the necessary libraries at the top of the Java file, such as the Color class and ContextCompat if you are using custom colors from colors.xml.
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