打印时间（MS级别）

--- a/android-lte/packages/apps/Camera/src/com/android/camera/Camera.java+++ b/android-lte/packages/apps/Camera/src/com/android/camera/Camera.java@@ -64,6 +64,9 @@ import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.TextView; import android.widget.Toast;+import java.text.SimpleDateFormat;//owen.wei modify+import java.util.Date;//owen.wei modify+import android.text.format.DateFormat;//owen.wei modify import com.android.camera.ui.CameraPicker; import com.android.camera.ui.FaceView;@@ -397,7 +400,13 @@ public class Camera extends ActivityBase implements FocusManager.Listener,                 // We need to check whether the activity is paused before long                 // operations to ensure that onPause() can be done ASAP.                 if (mCancelled) return;+                //owen.wei modify add start+                                                               SimpleDateFormat df = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");+                                                               Date   curDate   =   new   Date(System.currentTimeMillis());+                 mCameraDevice = Util.openCamera(Camera.this, mCameraId);++                 mParameters = mCameraDevice.getParameters();                 // Wait until all the initialization needed by startPreview are                 // done.@@ -410,6 +419,10 @@ public class Camera extends ActivityBase implements FocusManager.Listener,                 mHandler.sendEmptyMessage(CAMERA_OPEN_DONE);                 if (mCancelled) return;                 startPreview();+                Date   endDate   =   new   Date(System.currentTimeMillis());+                                                               long diff = endDate.getTime() - curDate.getTime();+                                                               Log.e(TAG, "curDate:"+String.valueOf(curDate)+"\nendDate:"+String.valueOf(endDate)+"\ndiff+                //owen.wei modify add end                 mHandler.sendEmptyMessage(START_PREVIEW_DONE);                 mOnResumeTime = SystemClock.uptimeMillis();                 mHandler.sendEmptyMessage(CHECK_DISPLAY_ROTATION);
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