1

app/src/main/java/com/example/ninefourone/nutritionmaster/adapter/ResultListAdapter.java

@@ -6,8 +6,11 @@ import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
 
+import com.example.ninefourone.nutritionmaster.NutritionMaster;
 import com.example.ninefourone.nutritionmaster.R;
 import com.example.ninefourone.nutritionmaster.bean.ClassifyResult;
+import com.example.ninefourone.nutritionmaster.modules.classifyresult.DishResultActivity;
+import com.example.ninefourone.nutritionmaster.utils.CalculateUtils;
 
 import java.util.ArrayList;
 
@@ -26,6 +29,7 @@ public class ResultListAdapter extends RecyclerView.Adapter<ResultListHolder> {
         super();
         mList = list;
         this.context = context;
+        mList = CalculateUtils.getDishQuantity(mList, NutritionMaster.user);
     }
 
     @Override
@@ -37,7 +41,7 @@ public class ResultListAdapter extends RecyclerView.Adapter<ResultListHolder> {
 
     @Override
     public void onBindViewHolder(ResultListHolder holder, int position) {
-        holder.bindView(mList.get(position), pickerLayoutManager);
+        holder.bindView(mList.get(position), pickerLayoutManager, (DishResultActivity) context, position);
     }
 
     @Override

app/src/main/java/com/example/ninefourone/nutritionmaster/adapter/ResultListHolder.java

@@ -1,7 +1,9 @@
 package com.example.ninefourone.nutritionmaster.adapter;
 
 import android.content.Context;
+import android.support.v7.widget.LinearSnapHelper;
 import android.support.v7.widget.RecyclerView;
+import android.support.v7.widget.SnapHelper;
 import android.view.View;
 import android.widget.ImageView;
 import android.widget.TextView;
@@ -9,6 +11,9 @@ import android.widget.TextView;
 import com.bumptech.glide.Glide;
 import com.example.ninefourone.nutritionmaster.R;
 import com.example.ninefourone.nutritionmaster.bean.ClassifyResult;
+import com.example.ninefourone.nutritionmaster.modules.classifyresult.DishResultActivity;
+import com.example.ninefourone.nutritionmaster.utils.ConstantUtils;
+import com.example.ninefourone.nutritionmaster.utils.MessageUtils;
 import com.github.siyamed.shapeimageview.CircularImageView;
 
 import butterknife.BindView;
@@ -27,6 +32,7 @@ public class ResultListHolder extends RecyclerView.ViewHolder {
     @BindView(R.id.picker)
     RecyclerView picker;
 
+    private PickerAdapter pickerAdapter;
     private Context context;
 
     public ResultListHolder(View itemView) {
@@ -35,11 +41,30 @@ public class ResultListHolder extends RecyclerView.ViewHolder {
         context = itemView.getContext();
     }
 
-    public void bindView(ClassifyResult classifyResult, PickerLayoutManager pickerLayoutManager) {
+    public void bindView(ClassifyResult classifyResult, PickerLayoutManager pickerLayoutManager,
+                         final DishResultActivity dishResultActivity,final int position) {
         pickerLayoutManager.setChangeAlpha(true);
         pickerLayoutManager.setScaleDownBy(0.99f);
         pickerLayoutManager.setScaleDownDistance(0.8f);
         picker.setLayoutManager(pickerLayoutManager);
+        SnapHelper snapHelper = new LinearSnapHelper();
+        snapHelper.attachToRecyclerView(picker);
+        pickerAdapter = new PickerAdapter(ConstantUtils.dishPicerData, context);
+        picker.setAdapter(pickerAdapter);
+        picker.setNestedScrollingEnabled(false);
+        picker.scrollToPosition(48);
+        picker.smoothScrollBy(10, 0);
+
+        pickerLayoutManager.setOnScrollStopListener(new PickerLayoutManager.onScrollStopListener() {
+            @Override
+            public void selectedView(View view) {
+                String text = ((TextView) view).getText().toString();
+//                MessageUtils.MakeToast(text);
+                dishResultActivity.refreshData(Integer.valueOf(text),position);
+            }
+        });
+
+
         name.setText(classifyResult.getName());
         Glide.with(context).load("http://s2.boohee.cn/house/food_big/big_photo20155149534910631.jpg").into(image);
     }

app/src/main/java/com/example/ninefourone/nutritionmaster/modules/classifyresult/DishResultActivity.java

@@ -15,6 +15,7 @@ import com.example.ninefourone.nutritionmaster.utils.ConstantUtils;
 import com.orhanobut.logger.Logger;
 
 import java.util.ArrayList;
+import java.util.Arrays;
 
 import butterknife.BindView;
 
@@ -32,7 +33,8 @@ public class DishResultActivity extends BaseActivity {
     TextView protein;
     @BindView(R.id.ok_button)
     Button okButton;
-    //    private ResultList results;
+
+
     private ArrayList<ClassifyResult> results;
     private ResultListAdapter resultListAdapter;
 
@@ -54,7 +56,8 @@ public class DishResultActivity extends BaseActivity {
 //        for (int i = 0; i < results.size(); i++) {
 //            Logger.d(results.get(i));
 //        }
-        resultListAdapter = new ResultListAdapter(ConstantUtils.testData, this);
+        results = ConstantUtils.testData;
+        resultListAdapter = new ResultListAdapter(results, this);
         recyclerView.setAdapter(resultListAdapter);
         recyclerView.setLayoutManager(new LinearLayoutManager(this));
     }
@@ -68,4 +71,30 @@ public class DishResultActivity extends BaseActivity {
     public void onPointerCaptureChanged(boolean hasCapture) {
 
     }
+
+    /**
+     * 能量根据选择的来变
+     *
+     * @param quantity
+     */
+    public void refreshData(int quantity, int positon) {
+        float calorieSum = 0;
+        float fatSum = 0;
+        float sugarSum = 0;
+        float proteinSum = 0;
+        ClassifyResult temp = results.get(positon);
+        temp.setQuantity(quantity);
+        results.set(positon, temp);
+        for (int i = 0; i < results.size(); i++) {
+            calorieSum += results.get(i).getCalorie() * results.get(i).getQuantity() / 100;
+            fatSum += results.get(i).getCalorie() * results.get(i).getQuantity() / 100;
+            calorieSum += results.get(i).getCalorie() * results.get(i).getQuantity() / 100;
+            calorieSum += results.get(i).getCalorie() * results.get(i).getQuantity() / 100;
+        }
+        calorie.setText((int)calorieSum + "");
+        protein.setText((int)proteinSum + "");
+        fat.setText((int)fatSum + "");
+        suger.setText((int)sugarSum + "");
+    }
+
 }

app/src/main/java/com/example/ninefourone/nutritionmaster/utils/ConstantUtils.java

@@ -288,4 +288,14 @@ public class ConstantUtils {
             testData.add(classifyResult);
         }
     }
+
+    public static ArrayList<String> dishPicerData = new ArrayList<>();
+
+    static {
+        for (int i = 0; i <= 700; i++) {
+            if (i % 2 == 0) {
+                dishPicerData.add(i + "");
+            }
+        }
+    }
 }

app/src/main/res/layout/picker_item.xml

@@ -2,6 +2,7 @@
 <TextView xmlns:android="http://schemas.android.com/apk/res/android"
     android:id="@+id/picker_item"
     android:layout_width="wrap_content"
-    android:layout_height="wrap_content"
+    android:layout_height="match_parent"
     android:layout_margin="13dp"
+    android:gravity="center"
     android:textSize="15sp" />