android网络访问兼容

	public static void version4Adapter() {
		String strVer = android.os.Build.VERSION.RELEASE;
		strVer = strVer.substring(0, 3).trim();
		float fv = Float.valueOf(strVer);
		if (fv > 2.3) {
			StrictMode.setThreadPolicy(new StrictMode.ThreadPolicy.Builder()
					.detectDiskReads().detectDiskWrites().detectNetwork()
					.penaltyLog().build());
			StrictMode.setVmPolicy(new StrictMode.VmPolicy.Builder()
					.detectLeakedSqlLiteObjects().detectLeakedClosableObjects()
					.penaltyLog().penaltyDeath().build());

		}

	}

 public void onCreate(Bundle savedInstanceState) {
       super.onCreate(savedInstanceState);
       OSInfoUtil.version4Adapter();
//TODO:
}