优化代码（删除多余引用）

app/src/main/AndroidManifest.xml

@@ -47,14 +47,15 @@
 
         <activity
             android:name=".MainActivity"
-            android:screenOrientation="landscape"></activity>
+            android:screenOrientation="landscape"/>
         <activity
             android:name=".OrderScanActivity"
             android:screenOrientation="landscape"
-            android:theme="@style/ScanTheme"></activity>
-        <activity android:name=".FaceActivity"
+            android:theme="@style/ScanTheme"/>
+        <activity
+            android:name=".FaceActivity"
             android:screenOrientation="landscape"
-            android:theme="@style/ScanTheme"></activity>
+            android:theme="@style/ScanTheme"/>
     </application>
 
 </manifest>
\ No newline at end of file

app/src/main/java/peanut/keenon/com/action/ImageServiceAction.java

@@ -3,10 +3,6 @@ package peanut.keenon.com.action;
 /**
  * Created by BillGe on 2017/4/7.
  */
-import android.util.Log;
-
-import com.android.volley.RequestQueue;
-import com.google.gson.Gson;
 
 import org.json.JSONException;
 
@@ -15,7 +11,6 @@ import java.util.HashMap;
 import java.util.Map;
 
 import peanut.keenon.com.mode.ImageResponse;
-import peanut.keenon.com.mode.WebResponse;
 import peanut.keenon.com.network.BaseAction;
 import peanut.keenon.com.network.FileUploadRequest;
 import peanut.keenon.com.network.MultipartRequest;

app/src/main/java/peanut/keenon/com/peanutsample/DinnerActivity.java

@@ -3,13 +3,10 @@ package peanut.keenon.com.peanutsample;
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
-import android.content.res.AssetFileDescriptor;
-import android.graphics.Bitmap;
-import android.graphics.BitmapFactory;
 import android.media.MediaPlayer;
+import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
-import android.os.Bundle;
 import android.view.View;
 import android.view.animation.Animation;
 import android.view.animation.AnimationUtils;
@@ -22,7 +19,6 @@ import android.widget.RadioButton;
 import android.widget.RadioGroup;
 import android.widget.TextView;
 
-import com.google.zxing.common.StringUtils;
 import com.iflytek.cloud.ErrorCode;
 import com.iflytek.cloud.InitListener;
 import com.iflytek.cloud.SpeechConstant;
@@ -42,7 +38,6 @@ import com.keenon.peanut.opensdk.api.core.workmode.WorkModeManager;
 
 import org.json.JSONException;
 
-import java.io.IOException;
 import java.util.ArrayList;
 import java.util.List;
 

app/src/main/java/peanut/keenon/com/peanutsample/FaceCameraView.java

@@ -12,10 +12,7 @@ import android.util.AttributeSet;
 
 import org.opencv.android.JavaCameraView;
 
-import java.io.BufferedOutputStream;
 import java.io.ByteArrayOutputStream;
-import java.io.FileOutputStream;
-import java.io.IOException;
 
 /**
  * Created by ping.ge on 2018/5/24.