package com.example.test01;
import android.app.Activity;
import android.os.Bundle;
import android.view.View;
import android.graphics.Color;
public class MainActivity extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
View view1 = new View(this);
view1.setBackgroundColor(Color.argb(128, 255, 0, 0));
setContentView(view1);
}
}
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