|  |  | 
 |  |  | import android.content.Context; | 
 |  |  | import android.content.DialogInterface; | 
 |  |  | import android.content.Intent; | 
 |  |  | import android.content.pm.ApplicationInfo; | 
 |  |  | import android.content.pm.PackageInfo; | 
 |  |  | import android.content.pm.PackageManager; | 
 |  |  | import android.content.pm.PermissionInfo; | 
 |  |  | 
 |  |  |  | 
 |  |  |         return true; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     public static String getMetaString(Activity activity, String key) | 
 |  |  |     { | 
 |  |  |         PackageManager _pkgMgr = activity.getPackageManager(); | 
 |  |  |         ApplicationInfo _appInfo; | 
 |  |  |         try | 
 |  |  |         { | 
 |  |  |             _appInfo = _pkgMgr.getApplicationInfo(activity.getPackageName(), | 
 |  |  |                                                   PackageManager.GET_META_DATA); | 
 |  |  |             return _appInfo.metaData.getString(key); | 
 |  |  |         } catch (PackageManager.NameNotFoundException e) | 
 |  |  |         { | 
 |  |  |             e.printStackTrace(); | 
 |  |  |         } | 
 |  |  |         return null; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     public static int getMetaInt(Activity activity, String key) | 
 |  |  |     { | 
 |  |  |         LogUtil.i(TAG, "将要获取的MetaKey: " + key); | 
 |  |  |         PackageManager _pkgMgr = activity.getPackageManager(); | 
 |  |  |         ApplicationInfo _appInfo; | 
 |  |  |         try | 
 |  |  |         { | 
 |  |  |             _appInfo = _pkgMgr.getApplicationInfo(activity.getPackageName(), | 
 |  |  |                                                   PackageManager.GET_META_DATA); | 
 |  |  |             return _appInfo.metaData.getInt(key); | 
 |  |  |         } catch (PackageManager.NameNotFoundException e) | 
 |  |  |         { | 
 |  |  |             e.printStackTrace(); | 
 |  |  |         } | 
 |  |  |         return -1; | 
 |  |  |     } | 
 |  |  |  | 
 |  |  |     public static boolean isEmpty(String s) { | 
 |  |  |         if (null == s) | 
 |  |  |             return true; | 
 |  |  |         if (s.length() == 0) | 
 |  |  |             return true; | 
 |  |  |         if (s.trim().length() == 0) | 
 |  |  |             return true; | 
 |  |  |         return false; | 
 |  |  |     } | 
 |  |  | } |