[SOLVED] 代写 android graph

package com.example.xiong;

import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends Activity {
/** Called when the activity is first created. */
private TextView txt;
private Button btn;
@Override
public void onCreate(Bundle savedInstanceState)
{
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btn=(Button)findViewById(R.id.button1);
txt=(TextView)findViewById(R.id.textView1);
btn.setOnClickListener(new click() );
}
class click implements View.OnClickListener
{
public void onClick(View v)
{
int Black = 0xffcccccc;
txt.setText(“难搞哦”);
txt.setTextColor(Color.YELLOW);
txt.setBackgroundColor(Black);
}
}
}