package com.ftn.timkodzo.niktest;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;

import butterknife.internal.Utils;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Utils.replaceFragment(this, new WorkoutDetailsFragment(), "workout_details");
    }}


////////////////////

package com.ftn.timkodzo.niktest;

import android.support.v7.widget.RecyclerView;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.TextView;

import java.util.List;

import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;

public class WorkoutDetailsAdapter extends RecyclerView.Adapter<RecyclerView.ViewHolder> {

                public static final int VIEW_TYPE_TITLE = 0;
        public static final int VIEW_TYPE_EXERCISE = 1;

                private WorkoutDetailsDataModel dataModel;

                public WorkoutDetailsAdapter(WorkoutDetailsDataModel dataModel){
                this.dataModel = dataModel;
            }

                @Override
        public RecyclerView.ViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
                View view;
                LayoutInflater layoutInflater = LayoutInflater.from(parent.getContext());
               switch (viewType){
                        case VIEW_TYPE_TITLE:
                               view = layoutInflater.inflate(R.layout.row_workout_details_title, parent, false);
                                return new TitleViewHolder(view);
                        case VIEW_TYPE_EXERCISE:
                                view = layoutInflater.inflate(R.layout.row_workout_details, parent, false);
                                return new ExerciseViewHolder(view);
                       default:
                                Log.wtf("recyclerview", "Enter default in onCreateViewHolder");
                                return null;
                    }
           }


                public static class TitleViewHolder extends RecyclerView.ViewHolder{
                @BindView(R.id.time)
                TextView time;
               @BindView(R.id.cal) TextView cal;
                @BindView(R.id.title) TextView title;
                @BindView(R.id.description) TextView description;

                        public TitleViewHolder(View itemView){
                       super(itemView);
                        ButterKnife.bind(this, itemView);
                    }

                       @OnClick(R.id.btn_download)
                protected void onDownloadClicked(){

                           }

                        @OnClick(R.id.see_details)
                protected void onSeeDetailsClicked(){

                            }

                        public void render(WorkoutDetailsDataModel dataModel){
                        time.setText(dataModel.getTime());
                        cal.setText(dataModel.getCal());
                        title.setText(dataModel.getTitle());
                       description.setText(dataModel.getDescription());
                   }

                    }

                public static class ExerciseViewHolder extends RecyclerView.ViewHolder{
                @BindView(R.id.image)
                ImageView image;
                @BindView(R.id.exercise_name) TextView exerciseName;
                @BindView(R.id.duration) TextView duration;


                        public ExerciseViewHolder(View itemView){
                        super(itemView);
                        ButterKnife.bind(this, itemView);
                   }

                        @OnClick(R.id.exercise)
                public void exerciseClicked(){

                          }

                        public void render(WorkoutDetailsDataModel.ExerciseItemDataModel datamodel){
                        image.setImageResource(R.drawable.avatar_icon);
                        exerciseName.setText(datamodel.getExerciseName());
                        duration.setText(datamodel.getDuration()+" ");
                    }
           }

                @Override
       public void onBindViewHolder(RecyclerView.ViewHolder holder, int position, List<Object> payloads) {
               switch (getItemViewType(position)){
                        case VIEW_TYPE_TITLE:
                                ((TitleViewHolder) holder).render(dataModel);
                               return;
                        case VIEW_TYPE_EXERCISE:
                                ((ExerciseViewHolder) holder).render(dataModel.getExercise(position));
                               return;
                        default:
                                return;
                    }
           }

                @Override
        public int getItemViewType(int position) {
                if (dataModel.isItemAtPositionExercise(position))
                        return VIEW_TYPE_EXERCISE;
                return VIEW_TYPE_TITLE;
           }

                @Override
        public void onBindViewHolder(RecyclerView.ViewHolder holder, int position) {

                    }

                @Override
        public int getItemCount() {
                return dataModel == null ? 0 : dataModel.getNumberOfElementsToShow();
            }
    }

///////////////////////////////


package com.ftn.timkodzo.niktest;

import java.util.ArrayList;
import java.util.List;

public class WorkoutDetailsDataModel {

                String time;
        String cal;
        String title;
       String description;
        List<ExerciseItemDataModel> exerciseItems;

                public static WorkoutDetailsDataModel newInstance(){
                WorkoutDetailsDataModel dataModel = new WorkoutDetailsDataModel();
                /*dataModel.setTime("36");
                dataModel.setCal("265-290 cal");
                dataModel.setTitle("Body Conditioning \nStrenght + Cardio");
                dataModel.setDescription("Who doesn't like a combo? With eseential mix of cardio plus a bit more, strenght  work, this program is designed to give you a wholesome, well rounded workus any day of the week");
                List<ExerciseItemDataModel> exerciseItems = new ArrayList<>(3);
                exerciseItems.add(ExerciseItemDataModel.newInstance("https://media.creativemornings.com/uploads/user/avatar/120448/profile-circle.png", "Run in place", 45));
                exerciseItems.add(ExerciseItemDataModel.newInstance("https://media.creativemornings.com/uploads/user/avatar/120448/profile-circle.png", "One lef floore bridges - left", 15));
                exerciseItems.add(ExerciseItemDataModel.newInstance("https://media.creativemornings.com/uploads/user/avatar/120448/profile-circle.png", "Run in place", 45));
                exerciseItems.add(ExerciseItemDataModel.newInstance("https://media.creativemornings.com/uploads/user/avatar/120448/profile-circle.png", "One lef floore bridges - left", 15));
                exerciseItems.add(ExerciseItemDataModel.newInstance("https://media.creativemornings.com/uploads/user/avatar/120448/profile-circle.png", "Run in place", 45));
                exerciseItems.add(ExerciseItemDataModel.newInstance("https://media.creativemornings.com/uploads/user/avatar/120448/profile-circle.png", "One lef floore bridges - left", 15));
                exerciseItems.add(ExerciseItemDataModel.newInstance("https://media.creativemornings.com/uploads/user/avatar/120448/profile-circle.png", "Run in place", 45));
                exerciseItems.add(ExerciseItemDataModel.newInstance("https://media.creativemornings.com/uploads/user/avatar/120448/profile-circle.png", "One lef floore bridges - left", 15));
                exerciseItems.add(ExerciseItemDataModel.newInstance("https://media.creativemornings.com/uploads/user/avatar/120448/profile-circle.png", "Run in place", 45));
                exerciseItems.add(ExerciseItemDataModel.newInstance("https://media.creativemornings.com/uploads/user/avatar/120448/profile-circle.png", "One lef floore bridges - left", 15));
                dataModel.setExerciseItems(exerciseItems);*/
                return dataModel;
            }

                private WorkoutDetailsDataModel() { }

                public int getNumberOfElementsToShow(){
                return exerciseItems == null ? 1 : exerciseItems.size() + 1;
            }

                public boolean isItemAtPositionExercise(int position) {
                return exerciseItems != null && position>0; //TODO: ako krece od 0, tj. ako je title na poziciji 0
            }

                public ExerciseItemDataModel getExercise(int position){
                return exerciseItems.get(position-1);//TODO: Proveriti da li je to ta pozicija
            }

                public List<ExerciseItemDataModel> getExerciseItems() {
                return exerciseItems;
            }

                public void setExerciseItems(List<ExerciseItemDataModel> exerciseItems) {
                this.exerciseItems = exerciseItems;
            }

                public String getDescription() {
                return description;
            }

                public void setDescription(String description) {
                this.description = description;
            }

                public String getTitle() {
                return title;
            }

                public void setTitle(String title) {
                this.title = title;
            }

                public String getCal() {
                return cal;
            }

                public void setCal(String cal) {
                this.cal = cal;
            }
                public String getTime() {
                return time;
            }

                public void setTime(String time) {
                this.time = time;
            }

                public static class ExerciseItemDataModel{
                String imageUrl;
                String exerciseName;
                int duration;

                        public static ExerciseItemDataModel newInstance(String imageUrl, String exerciseName, int duration){
                        ExerciseItemDataModel dataModel = new ExerciseItemDataModel();
                        dataModel.setImageUrl(imageUrl);
                        dataModel.setExerciseName(exerciseName);
                        dataModel.setDuration(duration);
                        return dataModel;
                    }

                        private ExerciseItemDataModel(){ }

                        public String getImageUrl() {
                        return imageUrl;
                    }

                        public void setImageUrl(String imageUrl) {
                        this.imageUrl = imageUrl;
                    }

                        public String getExerciseName() {
                        return exerciseName;
                    }

                        public void setExerciseName(String exerciseName) {
                        this.exerciseName = exerciseName;
                    }

                        public int getDuration() {
                        return duration;
                    }

                        public void setDuration(int duration) {
                        this.duration = duration;
                    }
            }
    }

//////////////////////////

package com.ftn.timkodzo.niktest;

import android.app.Fragment;
import android.os.Bundle;
import android.support.v7.widget.GridLayoutManager;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;

import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.Unbinder;

public class WorkoutDetailsFragment extends Fragment {

                Unbinder unbinder;

                @BindView(R.id.recyclerView)
                RecyclerView workoutDetailsList;

                @Override
        public View onCreateView(LayoutInflater inflater, ViewGroup container,
                                                               Bundle savedInstanceState) {
                View view = inflater.inflate(R.layout.fragment_workout_details, container, false);
                unbinder = ButterKnife.bind(this, view);
                initRecyclerView();
                renderRecyclerView();
                return view;
            }

                private void initRecyclerView(){
                GridLayoutManager manager = new GridLayoutManager(getActivity(), 2);
                manager.setOrientation(LinearLayoutManager.VERTICAL);
                manager.setSpanSizeLookup(new GridLayoutManager.SpanSizeLookup() {
                        @Override
                        public int getSpanSize(int position) {
                                WorkoutDetailsAdapter adapter = (WorkoutDetailsAdapter) workoutDetailsList.getAdapter();
                                if (adapter == null) return 2;

                                        return 2;
                            }
                    });

                        workoutDetailsList.setLayoutManager(manager);
            }
        private void renderRecyclerView() {
                WorkoutDetailsDataModel dataModel = WorkoutDetailsDataModel.newInstance();
                WorkoutDetailsAdapter adapter = new WorkoutDetailsAdapter(dataModel);
                workoutDetailsList.setAdapter(adapter);
            }
        @Override
        public void onDetach() {
                super.onDetach();
                unbinder.unbind();
            }
    }

///////////////////////////////////


<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:tools="http://schemas.android.com/tools"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingBottom="@dimen/activity_vertical_margin"
    android:paddingLeft="@dimen/activity_horizontal_margin"
    android:paddingRight="@dimen/activity_horizontal_margin"
    android:paddingTop="@dimen/activity_vertical_margin"
    tools:context="com.ftn.timkodzo.niktest.MainActivity">

    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Hello World!" />
</RelativeLayout>


///////////////////

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent">
        <FrameLayout
            android:id="@+id/fragment_container"
            android:layout_width="match_parent"
            android:layout_height="match_parent">
        </FrameLayout>
    </RelativeLayout>

/////////////////////////

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
        xmlns:android="http://schemas.android.com/apk/res/android"
        android:layout_width="match_parent"
        android:layout_height="match_parent">

        <android.support.v7.widget.RecyclerView
            android:id="@+id/recyclerView"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:scrollbars="vertical"/>
    </LinearLayout>

//////////////////////////////

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
        android:orientation="horizontal"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_centerVertical="true"
        android:background="@drawable/input_data"
        android:paddingTop="@dimen/row_padding"
        android:paddingBottom="@dimen/row_padding"
        android:id="@+id/exercise">

        <ImageView
            android:id="@+id/image"
            android:layout_width="@dimen/image_row_dim"
            android:layout_height="@dimen/image_row_dim"
            android:layout_marginStart="@dimen/image_left_margin"/>

        <TextView
            android:id="@+id/exercise_name"
            style="@style/Text.Heading3.MediumGrey.Settings"
            android:layout_width="wrap_content"
            android:maxLines="1"
            android:ellipsize="end"
            android:layout_marginStart="@dimen/name_left_margin"
            android:layout_centerVertical="true"
            android:layout_toEndOf="@+id/image"
            android:layout_toStartOf="@+id/duration"/>
        <TextView
            android:id="@+id/duration"
            style="@style/Text.Heading1"
            android:textColor="@color/blue"
            android:layout_toStartOf="@+id/unit"
            android:layout_centerVertical="true"/>

        <TextView
            android:id="@+id/unit"
            style="@style/Text.Heading3"
            android:text="@string/sec"
            android:textColor="@color/lightGrey"
            android:layout_marginEnd="@dimen/sec_margin_right"
            android:layout_centerVertical="true"
            android:layout_alignParentEnd="true"
            android:layout_marginStart="@dimen/sec_margin_left"/>
    </RelativeLayout>

/////////////////////////////////

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

    <ImageView
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:scaleType="centerCrop"
        android:src="@drawable/background_girl"/>

        <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
            android:orientation="vertical" android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:layout_marginLeft="@dimen/activity_vertical_margin"
            android:layout_marginRight="@dimen/activity_vertical_margin"
            android:layout_alignParentBottom="true">

            <LinearLayout
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:orientation="horizontal">

                <ImageView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:src="@drawable/stopwatch_small_icon"/>

                <TextView
                    android:id="@+id/time"
                    style="@style/Text"
                    android:textSize="12dp"
                    android:layout_marginLeft="4dp"/>

                <ImageView
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:src="@drawable/cal_icon"
                    android:layout_marginLeft="15dp"/>

                <TextView
                    android:id="@+id/cal"
                    style="@style/Text"
                    android:textSize="12dp"
                    android:layout_marginLeft="4dp"/>
            </LinearLayout>
            <TextView
                android:id="@+id/title"
               style="@style/Text.Heading1.Black"
                android:layout_marginTop="10dp"/>

            <TextView
                android:id="@+id/description"
                style="@style/Text.Heading2"
                android:layout_marginTop="@dimen/title_top"/>

            <Button
                android:id="@+id/btn_download"
                android:layout_width="match_parent"
                style="@style/Text.Button.Blue"
                android:text="Download"
                android:layout_marginTop="@dimen/button_top" />

            <TextView
                android:id="@+id/see_details"
                android:text="See details"
                style="@style/Text"
                android:textSize="12dp"
                android:layout_gravity="center"
                android:layout_marginTop="@dimen/see_details_margin_top"
                android:paddingBottom="7dp"/>

            <ImageView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:src="@drawable/down_icon"
                android:layout_marginBottom="10dp"
                android:layout_gravity="center"/>
        </LinearLayout>
    </RelativeLayout>

compile 'com.android.support:recyclerview-v7:+'
    compile 'com.jakewharton:butterknife:8.4.0'