android獲取手機型號和系統版本號

public void onCreate(Bundle savedInstanceState) { 
        super.onCreate(savedInstanceState); 
        setContentView(R.layout.main); 
       TextView textView = (TextView) findViewById(R.id.text); 
        textView.setText("手機型號: " + android.os.Build.MODEL + ",\nSDK版本:" 
                + android.os.Build.VERSION.SDK + ",\n系統版本:" 
                + android.os.Build.VERSION.RELEASE);  
    }