我们在下载了Android应用启动时候经常会出现一个引导页面,这个页面只会在程序第一次运行显示,下面贴出代码片段:
public class LoginActivity extends Activity { private SharedPreferences preferences; private Editor editor; private OutputStream os; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.login); preferences = getSharedPreferences("phone", Context.MODE_PRIVATE); //判断是不是首次登录, if (preferences.getBoolean("firststart", true)) { editor = preferences.edit(); //将登录标志位设置为false,下次登录时不在显示首次登录界面 editor.putBoolean("firststart", false); editor.commit(); Intent intent = new Intent("com.yutao.business.GUIDE"); startActivity(intent); finish(); } login(); }