下面代码运行结果是()
public classMainActivity extends Activity implements OnClickListener { private Button mBtnLogin = (Button) findViewById(R.id.btn_login); private TextView mTextViewUser; @Override protected void onCreate(BundlesavedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); mTextViewUser = (TextView) findViewById(R.id.textview_user); mBtnLogin.setOnClickListener(this); new Thread() { @Override public void run() { mTextViewUser.setText(10); } }.start(); } @Override public void onClick(View v) { mTextViewUser.setText(20); } }