Android Activity返回键监听的两种方式 1.覆写Activity的OnBackPressed方法 官方解释: Called when the activity has detected the user's press of the back key. The default implementation simply finishes the current activity, but you can override this to do whatever you want.
AndroidBar返回为NULL.是因为values-v11和values-v14下面的style的主题的设置的原因. 在SDK 11的设备上,会使用第二处,SDK 14会使用第三处. 只需要将三个地方的主题分别设置就可以,结构如下: values-------- <resources> <!-- Base application theme, dependent on API level. This theme is replaced by AppBaseTheme from res
android在发展中,监视键返回到后事件经常被用来,在下面的例子来说明什么android返回键事件监听器. public class BackKeyTest extends Activity { /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setCo