Android 随机数组

package Zhiyeceshi.co.cc;

import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.Window;
import android.view.WindowManager;
import android.widget.Button;
import android.widget.TextView;

public class Result extends Activity {
TextView tvTitle;
int[] result = { R.string.result_ISTJ, R.string.result_ISFJ,
R.string.result_ENFJ, R.string.result_ENFP, R.string.result_ENTJ,
R.string.result_INFJ, R.string.result_INFP, R.string.result_ISTP,

};

@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
setContentView(R.layout.testresults);
Button helpback = (Button) findViewById(R.id.helpback);
helpback.setOnClickListener(new OnClickListener() {

@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Intent intent6 = new Intent(Result.this, StartActivity.class);
startActivity(intent6);
finish();

}
});

tvTitle = (TextView) findViewById(R.id.tvTitle);
Random1();
}

private void Random1() {
// TODO Auto-generated method stub
int i = (int) (Math.random() * 7);
if (i > 0 || i < result.length) {
tvTitle.setText(result[i]);
}
}

}