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Android Build a Simple Android App (2014) Improving Our Code Dynamically Changing the Background Color

Posted by MUZ141035 Mabasa Tsuro
MUZ141035 Mabasa Tsuro
811 Points

how do you change the background color to constant Color.GREEN

how do you set the background color to constant Color.GREEN

MealActivity.java 
import android.os.Bundle;
import android.widget.TextView;

public class MealActivity extends Activity {

    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_meal);

        TextView foodLabel = (TextView) findViewById(R.id.foodTextView);
        TextView drinkLabel = (TextView) findViewById(R.id.drinkTextView);
        RelativeLayout mealLayout = (RelativeLayout) findViewById(R.id.mealLayout);
      mealLayout.setBackgroundColor (colour.GREEN);
    }
}
MUZ141138 Budwell Masaiti
MUZ141138 Budwell Masaiti
2,413 Points

mealLayout.setBackgroundColor (colour.GREEN); your spelling for colour is wrong. USe american spelling color.GREEN

1 Answer

Angelos Hadjiphilippou
Angelos Hadjiphilippou
1,600 Points
Angelos Hadjiphilippou
Angelos Hadjiphilippou
1,600 Points

Several ways to do this.

Have a quick read at this: http://solvedstack.com/questions/how-to-set-background-color-of-a-view

I would go for simply adding mealLayout.invalidate() at the end of your code ;)

hope this helps