fix bug

src/com/netease/qa/emmagee/utils/CpuInfo.java

@@ -27,6 +27,7 @@ import java.util.Calendar;
 import com.netease.qa.emmagee.service.EmmageeService;
 
 import android.content.Context;
+import android.os.Build;
 import android.util.Log;
 
 /**
@@ -148,9 +149,14 @@ public class CpuInfo {
 		cpuUsedRatio.clear();
 
 		try {
+			String mDateTime2;
 			Calendar cal = Calendar.getInstance();
-			String mDateTime2 = formatterFile.format(cal.getTime().getTime()
-					+ 8 * 60 * 60 * 1000);
+//			if ((Build.MODEL.equals("sdk"))
+//					|| (Build.MODEL.equals("google_sdk"))) {
+//				mDateTime2 = formatterFile.format(cal.getTime().getTime() + 8
+//						* 60 * 60 * 1000);
+//			} else
+				mDateTime2 = formatterFile.format(cal.getTime().getTime());
 
 			if (isInitialStatics) {
 				initialTraffic = trafficInfo.getTrafficInfo();
@@ -164,8 +170,8 @@ public class CpuInfo {
 				processCpuRatio = fomart
 						.format(100 * ((double) (processCpu - processCpu2) / (double) (totalCpu - totalCpu2)));
 				totalCpuRatio = fomart
-						.format(100 * ((double) ((totalCpu - idleCpu) - (totalCpu2 - idleCpu2)) 
-								/ (double) (totalCpu - totalCpu2)));
+						.format(100 * ((double) ((totalCpu - idleCpu) - 
+								(totalCpu2 - idleCpu2)) / (double) (totalCpu - totalCpu2)));
 				long pidMemory = mi.getPidMemorySize(pid, context);
 				String pMemory = fomart.format((double) pidMemory / 1024);
 				long freeMemory = mi.getFreeMemorySize(context);

src/com/netease/qa/emmagee/utils/TrafficInfo.java

@@ -24,7 +24,7 @@ import android.util.Log;
 
 /**
  * information of network traffic
- *
+ * 
  */
 public class TrafficInfo {
 
@@ -40,7 +40,7 @@ public class TrafficInfo {
 	/**
 	 * get total network traffic, which is the sum of upload and download
 	 * traffic.
-	 *
+	 * 
 	 * @return total traffic include received and send traffic
 	 */
 	public long getTrafficInfo() {
@@ -66,8 +66,11 @@ public class TrafficInfo {
 			e.printStackTrace();
 		} finally {
 			try {
-				rafRcv.close();
-				rafSnd.close();
+				if (rafRcv != null) {
+					rafRcv.close();
+				}
+				if (rafSnd != null)
+					rafSnd.close();
 			} catch (IOException e) {
 				Log.i(LOG_TAG,
 						"close randomAccessFile exception: " + e.getMessage());