Android 2.2 compatibility porting

1.
Most users may find that the path of/sdcard/has changed to/mnt/sdcard /.
Android. OS. environment. getexternalstoragedirectory (). getabsolutepath ()
To obtain the sdcard path.

 

2.
App2sd, which can be enabled by the switch in settings. The packagemanager class has some new labels. For compatibility, we use reflection to dynamically call and compare
Reliable. The method for determining the API level is build. version. SDK. Note that this is string type and the return value is a number directly. For example, the return value of 8 is Android.
2.2.

 

3. GPS switch. We need to switch GPS for many lbs applications.
1.5 start with the GPS switch method has a new way, and considering the Android. provider. settings. Secure package introduced by the security system
You can use setlocationproviderenabled (contentresolver Cr, string provider,
Boolean enabled), android123 prompts that this method is not public until the API level is 8, by compiling android
Framework or reflection requires an OEM signature for some machine calls to work properly.

 

4. The name of fill_parent is changed to match_parent. However, this does not seem to have a past image. We hope you will pay attention to the porting section of the android Development Network.

 

Http://tonyyu.iteye.com/blog/753466