如何在自己的程序中跳转到系统的界面

 在android SDK文档中有这样一个类，android.provider.Settings类提供android系统各个页面的跳转常量：

Constants
		Activity Action: Show settings for accessibility modules.
		Activity Action: Show add account screen for creating a new account.
		Activity Action: Show settings to allow entering/exiting airplane mode.
		Activity Action: Show settings to allow configuration of APNs.
		Activity Action: Show screen of details about a particular application.
		Activity Action: Show settings to allow configuration of application development-related settings.
		Activity Action: Show settings to allow configuration of application-related settings.
		Activity Action: Show settings to allow configuration of Bluetooth.
		Activity Action: Show settings for selection of 2G/3G.
		Activity Action: Show settings to allow configuration of date and time.
		Activity Action: Show general device information settings (serial number, software version, phone number, etc.).
		Activity Action: Show settings to allow configuration of display.
		Activity Action: Show settings to configure input methods, in particular allowing the user to enable input methods.
		Activity Action: Show settings to enable/disable input method subtypes.
		Activity Action: Show settings for internal storage.
		Activity Action: Show settings to allow configuration of locale.
		Activity Action: Show settings to allow configuration of current location sources.
		Activity Action: Show settings to manage all applications.
		Activity Action: Show settings to manage installed applications.
		Activity Action: Show settings for memory card storage.
		Activity Action: Show settings for selecting the network operator.
		Activity Action: Show settings to allow configuration of privacy options.
		Activity Action: Show settings to allow configuration of quick launch shortcuts.
		Activity Action: Show settings for global search.
		Activity Action: Show settings to allow configuration of security and location privacy.
		Activity Action: Show system settings.
		Activity Action: Show settings to allow configuration of sound and volume.
		Activity Action: Show settings to allow configuration of sync settings.
		Activity Action: Show settings to manage the user input dictionary.
		Activity Action: Show settings to allow configuration of a static IP address for Wi-Fi.
		Activity Action: Show settings to allow configuration of Wi-Fi.
		Activity Action: Show settings to allow configuration of wireless controls such as Wi-Fi, Bluetooth and Mobile networks.
		Activity Extra: Limit available options in launched activity based on the given authority.

 

跳转到系统设置网络的界面（这个可能是使用的最多的）

startActivity(new Intent(Settings.ACTION_WIRELESS_SETTINGS));

在这个界面里用户就可以设置wifi和2g/3g网络了

如果要launch Mobile Networks Setting页面按如下方法：

  Intent intent=new Intent(Settings.ACTION_DATA_ROAMING_SETTINGS);
  ComponentName cName = new ComponentName("com.android.phone","com.android.phone.Settings");
  intent.setComponent(cName);
  startActivity(intent);

 

  如果要进入Networks Operators页面按如下方法：

  Intent intent = new Intent(Intent.ACTION_MAIN);
  intent.setClassName("com.android.phone", "com.android.phone.NetworkSetting");
  startActivity(intent);

如果想跳转到系统管理应用程序界面

  Intent intent =  new Intent();  

  intent.setAction("android.intent.action.MAIN");  

  intent.setClassName("com.android.settings", "com.android.settings.ManageApplications");  

  startActivity(intent);