Several fixes/improvements

- Add Watchlist charts
- Add Detail Activity for Watchlist coins
- Add padding for Watchlist
- Remove superfluous 0s when displaying balance/price
- Fix Summary Detail Button not changing form
- Fix app crash when Marketcap fragment is not fully loaded
- Fix separate Fragment update obligations
- Fix 0 coin in Detail activity when coming from Watchlist

app/src/main/java/com/nauk/coinfolio/Activities/CurrencyDetailsActivity.java

@@ -202,8 +202,6 @@ public class CurrencyDetailsActivity extends AppCompatActivity {
 
         TradeUpdater updater = new TradeUpdater();
         updater.execute();
-
-        Log.d("coinfolio", "Details loaded for " + currency.getId());
     }
 
     private void updateInfoTab()
@@ -212,8 +210,15 @@ public class CurrencyDetailsActivity extends AppCompatActivity {
     }
 
     private void setupActionBar()
+    {
+        if(currency.getBalance() == 0)
+        {
+            setTitle(" " + currency.getName());
+        }
+        else
         {
             setTitle(" " + currency.getName() + " | " + currency.getBalance());
+        }
 
         getSupportActionBar().setDisplayOptions(ActionBar.DISPLAY_SHOW_HOME |
                 ActionBar.DISPLAY_SHOW_TITLE | ActionBar.DISPLAY_HOME_AS_UP | ActionBar.DISPLAY_USE_LOGO);
@@ -584,7 +589,6 @@ public class CurrencyDetailsActivity extends AppCompatActivity {
     private String getDate(long timeStamp){
 
         try{
-            //SimpleDateFormat sdf = new SimpleDateFormat(" HH:mm dd/MM/yyyy");
             SimpleDateFormat sdf = new SimpleDateFormat(" HH:mm dd/MM/yyyy", Locale.getDefault());
             Date netDate = (new Date(timeStamp));
             return sdf.format(netDate);
@@ -833,7 +837,7 @@ public class CurrencyDetailsActivity extends AppCompatActivity {
             deleteLayout.setOnClickListener(new View.OnClickListener() {
                 @Override
                 public void onClick(View view) {
-                    preferencesManager.setMustUpdate(true);
+                    preferencesManager.setMustUpdateSummary(true);
                     databaseManager.deleteTransactionFromId(Integer.parseInt(view.getTag().toString()));
                     drawTransactionList();
                     hasBeenModified = true;

app/src/main/java/com/nauk/coinfolio/Activities/CurrencySelectionActivity.java

@@ -7,8 +7,6 @@ import android.os.Looper;
 import android.support.v7.app.AppCompatActivity;
 import android.support.v7.widget.CardView;
 import android.text.TextUtils;
-import android.util.Log;
-import android.view.Menu;
 import android.view.View;
 import android.view.Window;
 import android.view.WindowManager;
@@ -100,7 +98,7 @@ public class CurrencySelectionActivity extends AppCompatActivity implements Sear
                     DatabaseManager databaseManager = new DatabaseManager(getApplicationContext());
 
                     databaseManager.addCurrencyToWatchlist(selectedCurrency);
-                    preferencesManager.setMustUpdate(true);
+                    preferencesManager.setMustUpdateWatchlist(true);
                 }
                 else
                 {

app/src/main/java/com/nauk/coinfolio/Activities/HomeActivity.java

@@ -93,12 +93,14 @@ public class HomeActivity extends AppCompatActivity {
             switch (item.getItemId())
             {
                 case R.id.navigation_watchlist:
+                    ((AppBarLayout) findViewById(R.id.app_bar)).setExpanded(false, true);
                     viewPager.setCurrentItem(0);
                     break;
                 case R.id.navigation_currencies_list:
                     viewPager.setCurrentItem(1);
                     break;
                 case R.id.navigation_market_cap:
+                    ((AppBarLayout) findViewById(R.id.app_bar)).setExpanded(false, true);
                     viewPager.setCurrentItem(2);
                     break;
             }
@@ -125,10 +127,16 @@ public class HomeActivity extends AppCompatActivity {
         final PagerAdapter adapter = new PagerAdapter(getSupportFragmentManager(), 3);
 
         viewPager.setAdapter(adapter);
+        viewPager.setOffscreenPageLimit(2);
         viewPager.addOnPageChangeListener(new ViewPager.OnPageChangeListener() {
             @Override
             public void onPageScrolled(int position, float positionOffset, int positionOffsetPixels) {
                 bottomNavigationView.getMenu().getItem(position).setChecked(true);
+
+                if(position % 2 == 0)
+                {
+                    ((AppBarLayout) findViewById(R.id.app_bar)).setExpanded(false, true);
+                }
             }
 
             @Override
@@ -165,11 +173,8 @@ public class HomeActivity extends AppCompatActivity {
                 //overridePendingTransition(R.anim.activity_enter, R.anim.activity_exit);
             }
         });
-
     }
 
-
-
     private void switchMainView()
     {
         Log.d("coinfolio", "Should");

app/src/main/java/com/nauk/coinfolio/Activities/HomeActivityFragments/MarketCapitalization.java

@@ -2,8 +2,10 @@ package com.nauk.coinfolio.Activities.HomeActivityFragments;
 
 import android.annotation.SuppressLint;
 import android.graphics.Color;
+import android.support.design.widget.AppBarLayout;
 import android.support.v4.app.Fragment;
 import android.os.Bundle;
+import android.support.v4.view.ViewPager;
 import android.support.v4.widget.SwipeRefreshLayout;
 import android.text.SpannableString;
 import android.util.Log;
@@ -11,6 +13,7 @@ import android.view.LayoutInflater;
 import android.view.MotionEvent;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.ViewParent;
 import android.widget.TextView;
 
 import com.github.mikephil.charting.charts.PieChart;
@@ -53,7 +56,7 @@ public class MarketCapitalization extends Fragment {
         setupDominantCurrenciesColors();
 
         marketCapManager = new MarketCapManager(getContext());
-        refreshLayout = view.findViewById(R.id.swiperefresh);
+        refreshLayout = view.findViewById(R.id.swiperefreshmarketcap);
 
         refreshLayout.setOnRefreshListener(
                 new SwipeRefreshLayout.OnRefreshListener() {
@@ -72,6 +75,12 @@ public class MarketCapitalization extends Fragment {
         return view;
     }
 
+    @Override
+    public void onResume()
+    {
+        super.onResume();
+    }
+
     private void setupDominantCurrenciesColors()
     {
         dominantCurrenciesColors = new HashMap<>();
@@ -196,11 +205,13 @@ public class MarketCapitalization extends Fragment {
                 {
                     case MotionEvent.ACTION_DOWN:
                         refreshLayout.setEnabled(false);
+                        getActivity().findViewById(R.id.viewPager).setEnabled(false);
                         break;
                     case MotionEvent.ACTION_MOVE:
                         break;
                     default:
                         refreshLayout.setEnabled(true);
+                        getActivity().findViewById(R.id.viewPager).setEnabled(true);
                         break;
                 }
                 return false;
@@ -210,8 +221,7 @@ public class MarketCapitalization extends Fragment {
         pieChart.getDescription().setEnabled(false);
         pieChart.getLegend().setEnabled(false);
         pieChart.setCenterText(generateCenterSpannableText());
-        pieChart.invalidate(); // refresh
+        pieChart.invalidate();
-
     }
 
     private SpannableString generateCenterSpannableText() {
@@ -228,8 +238,8 @@ public class MarketCapitalization extends Fragment {
         symbols.setGroupingSeparator(' ');
         formatter.setDecimalFormatSymbols(symbols);
 
-        ((TextView) view.findViewById(R.id.marketCapTextView)).setText(getResources().getString(R.string.market_cap_textview, formatter.format(marketCapManager.getMarketCap())));
+        ((TextView) view.findViewById(R.id.marketCapTextView)).setText(getActivity().getResources().getString(R.string.market_cap_textview, formatter.format(marketCapManager.getMarketCap())));
 
-        ((TextView) view.findViewById(R.id.dayVolumeTotalMarketCap)).setText(getResources().getString(R.string.volume_market_cap_textview, formatter.format(marketCapManager.getDayVolume())));
+        ((TextView) view.findViewById(R.id.dayVolumeTotalMarketCap)).setText(getActivity().getResources().getString(R.string.volume_market_cap_textview, formatter.format(marketCapManager.getDayVolume())));
     }
 }

app/src/main/java/com/nauk/coinfolio/Activities/HomeActivityFragments/Summary.java

@@ -9,7 +9,6 @@ import android.os.AsyncTask;
 import android.os.Handler;
 import android.os.Looper;
 import android.support.design.widget.CollapsingToolbarLayout;
-import android.support.design.widget.Snackbar;
 import android.support.v4.app.Fragment;
 import android.os.Bundle;
 import android.support.v4.widget.SwipeRefreshLayout;
@@ -19,6 +18,7 @@ import android.view.Gravity;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.Window;
 import android.widget.Button;
 import android.widget.ImageButton;
 import android.widget.LinearLayout;
@@ -27,7 +27,6 @@ import android.widget.TextView;
 
 import com.nauk.coinfolio.Activities.CurrencySelectionActivity;
 import com.nauk.coinfolio.Activities.HomeActivity;
-import com.nauk.coinfolio.Activities.SettingsActivity;
 import com.nauk.coinfolio.DataManagers.BalanceManager;
 import com.nauk.coinfolio.DataManagers.CurrencyData.Currency;
 import com.nauk.coinfolio.DataManagers.PreferencesManager;
@@ -45,7 +44,6 @@ import java.util.List;
 
 public class Summary extends Fragment {
 
-    private boolean isDetailed;
     private LinearLayout currencyLayout;
     private PreferencesManager preferencesManager;
     private BalanceManager balanceManager;
@@ -76,12 +74,10 @@ public class Summary extends Fragment {
         preferencesManager = new PreferencesManager(getActivity());
         balanceManager = new BalanceManager(getActivity());
         layoutGenerator = new HomeLayoutGenerator(getActivity());
-        refreshLayout = view.findViewById(R.id.swiperefresh);
+        refreshLayout = view.findViewById(R.id.swiperefreshsummary);
         toolbarSubtitle = getActivity().findViewById(R.id.toolbarSubtitle);
         toolbarLayout = getActivity().findViewById(R.id.toolbar_layout);
 
-        isDetailed = preferencesManager.getDetailOption();
-
         totalValue = 0;
         totalFluctuation = 0;
         lastTimestamp = 0;
@@ -133,6 +129,7 @@ public class Summary extends Fragment {
         detailsButton.setOnClickListener(new View.OnClickListener() {
             @Override
             public void onClick(View view) {
+                preferencesManager.setDetailOption(!preferencesManager.getDetailOption());
                 updateViewButtonIcon();
                 switchView();
             }
@@ -140,18 +137,45 @@ public class Summary extends Fragment {
 
         updateTitle();
 
-        generateSplashScreen();
-
         updateAll(true);
 
+        generateSplashScreen();
+
         return view;
     }
 
+    private void generateSplashScreen()
+    {
+        LinearLayout loadingLayout = new LinearLayout(getActivity());
+
+        loadingLayout.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
+        loadingLayout.setGravity(Gravity.CENTER);
+        loadingLayout.setOrientation(LinearLayout.VERTICAL);
+
+        loadingDialog = new Dialog(getActivity(), android.R.style.Theme_Black_NoTitleBar_Fullscreen);
+
+        TextView txtView = new TextView(getActivity());
+        txtView.setText("Loading data...");
+        txtView.setTextSize(20);
+        txtView.setGravity(Gravity.CENTER);
+        txtView.setTextColor(this.getResources().getColor(R.color.cardview_light_background));
+
+        ProgressBar progressBar = new ProgressBar(getActivity());
+        progressBar.setIndeterminate(true);
+
+        loadingLayout.setBackgroundColor(getActivity().getResources().getColor(R.color.colorPrimaryDark));
+        loadingLayout.addView(txtView);
+        loadingLayout.addView(progressBar);
+
+        loadingDialog.setContentView(loadingLayout);
+        loadingDialog.show();
+    }
+
     @Override
     public void onResume() {
         super.onResume();
 
-        updateAll(preferencesManager.mustUpdate());
+        updateAll(preferencesManager.mustUpdateSummary());
 
         updateViewButtonIcon();
 
@@ -207,45 +231,14 @@ public class Summary extends Fragment {
         totalFluctuation = 0;
     }
 
-    private void generateSplashScreen()
-    {
-        LinearLayout loadingLayout = new LinearLayout(getActivity());
-
-        loadingLayout.setLayoutParams(new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT));
-        loadingLayout.setGravity(Gravity.CENTER);
-        loadingLayout.setOrientation(LinearLayout.VERTICAL);
-
-        loadingDialog = new Dialog(getActivity(), android.R.style.Theme_Black_NoTitleBar_Fullscreen);
-
-        TextView txtView = new TextView(getActivity());
-        txtView.setText("Loading data...");
-        txtView.setTextSize(20);
-        txtView.setGravity(Gravity.CENTER);
-        txtView.setTextColor(this.getResources().getColor(R.color.cardview_light_background));
-
-        ProgressBar progressBar = new ProgressBar(getActivity());
-        progressBar.setIndeterminate(true);
-
-        loadingLayout.setBackgroundColor(this.getResources().getColor(R.color.colorPrimaryDark));
-        loadingLayout.addView(txtView);
-        loadingLayout.addView(progressBar);
-
-        loadingDialog.setContentView(loadingLayout);
-        loadingDialog.show();
-    }
-
     private void switchView()
     {
-        if(isDetailed)
+        if(preferencesManager.getDetailOption())
         {
-            isDetailed = false;
-
             adaptView();
         }
         else
         {
-            isDetailed = true;
-
             adaptView();
         }
     }
@@ -260,7 +253,7 @@ public class Summary extends Fragment {
 
             if(!currency.getSymbol().equals("USD") && ((currency.getBalance() * currency.getValue()) > 0.001 || currency.getHistoryMinutes() == null))
             {
-                currencyLayout.addView(layoutGenerator.getInfoLayout(currency, isDetailed, totalValue, preferencesManager.isBalanceHidden()));
+                currencyLayout.addView(layoutGenerator.getInfoLayout(currency, preferencesManager.getDetailOption(), totalValue, preferencesManager.isBalanceHidden()));
             }
         }
     }
@@ -453,9 +446,11 @@ public class Summary extends Fragment {
                         Currency currency = balanceManager.getTotalBalance().get(i);
 
                         if(!currency.getSymbol().equals("USD") && (currency.getBalance() * currency.getValue()) > 0.001) {
-                            currencyLayout.addView(layoutGenerator.getInfoLayout(currency, isDetailed, totalValue, preferencesManager.isBalanceHidden()));
+                            currencyLayout.addView(layoutGenerator.getInfoLayout(currency, preferencesManager.getDetailOption(), totalValue, preferencesManager.isBalanceHidden()));
                         }
                     }
+
+                    adaptView();
                 }
             });
         }
@@ -502,7 +497,6 @@ public class Summary extends Fragment {
             refreshLayout.setRefreshing(false);
             refreshCurrencyList();
             handler.removeCallbacks(updateRunnable);
-            adaptView();
         }
     }
 
@@ -536,12 +530,10 @@ public class Summary extends Fragment {
         if(preferencesManager.getDetailOption())
         {
             imgButton.setBackground(this.getResources().getDrawable(R.drawable.ic_unfold_less_black_24dp));
-            preferencesManager.setDetailOption(false);
         }
         else
         {
             imgButton.setBackground(this.getResources().getDrawable(R.drawable.ic_details_black_24dp));
-            preferencesManager.setDetailOption(true);
         }
     }
 

app/src/main/java/com/nauk/coinfolio/Activities/HomeActivityFragments/Watchlist.java

@@ -3,24 +3,40 @@ package com.nauk.coinfolio.Activities.HomeActivityFragments;
 import android.content.Intent;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
+import android.graphics.Color;
+import android.graphics.PorterDuff;
+import android.graphics.PorterDuffColorFilter;
+import android.graphics.drawable.Drawable;
 import android.os.AsyncTask;
+import android.support.design.widget.AppBarLayout;
 import android.support.v4.app.Fragment;
 import android.os.Bundle;
+import android.support.v4.view.ViewPager;
 import android.support.v4.widget.SwipeRefreshLayout;
+import android.support.v7.graphics.Palette;
+import android.support.v7.widget.CardView;
 import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
+import android.view.ViewParent;
+import android.view.animation.Animation;
+import android.view.animation.Transformation;
 import android.widget.Button;
 import android.widget.ImageView;
 import android.widget.LinearLayout;
-import android.widget.ScrollView;
 import android.widget.TextView;
 
+import com.github.mikephil.charting.charts.LineChart;
+import com.github.mikephil.charting.data.Entry;
+import com.github.mikephil.charting.data.LineData;
+import com.github.mikephil.charting.data.LineDataSet;
+import com.nauk.coinfolio.Activities.CurrencyDetailsActivity;
 import com.nauk.coinfolio.Activities.CurrencySelectionActivity;
 import com.nauk.coinfolio.Activities.HomeActivity;
 import com.nauk.coinfolio.DataManagers.BalanceManager;
 import com.nauk.coinfolio.DataManagers.CurrencyData.Currency;
+import com.nauk.coinfolio.DataManagers.CurrencyData.CurrencyDataChart;
 import com.nauk.coinfolio.DataManagers.CurrencyData.CurrencyDetailsList;
 import com.nauk.coinfolio.DataManagers.PreferencesManager;
 import com.nauk.coinfolio.DataManagers.WatchlistManager;
@@ -32,6 +48,8 @@ import org.json.JSONObject;
 import java.io.IOException;
 import java.io.InputStream;
 import java.net.HttpURLConnection;
+import java.util.ArrayList;
+import java.util.List;
 import java.util.Locale;
 
 import static java.lang.Math.abs;
@@ -55,7 +73,7 @@ public class Watchlist extends Fragment {
     {
         view = inflater.inflate(R.layout.fragment_watchlist_homeactivity, container, false);
 
-        refreshLayout = view.findViewById(R.id.swiperefresh);
+        refreshLayout = view.findViewById(R.id.swiperefreshwatchlist);
         currencyDetailsList = new CurrencyDetailsList(getContext());
         preferencesManager = new PreferencesManager(getContext());
 
@@ -85,12 +103,78 @@ public class Watchlist extends Fragment {
         return view;
     }
 
+    private void collapseView(View view)
+    {
+        collapse(view.findViewById(R.id.collapsableLayout));
+    }
+
+    private void extendView(View view)
+    {
+        expand(view.findViewById(R.id.collapsableLayout));
+        view.findViewById(R.id.LineChartView).invalidate();
+    }
+
+    private static void expand(final View v) {
+        v.measure(CardView.LayoutParams.MATCH_PARENT, CardView.LayoutParams.WRAP_CONTENT);
+        final int targetHeight = v.getMeasuredHeight();
+
+        // Older versions of android (pre API 21) cancel animations for views with a height of 0.
+        v.getLayoutParams().height = 1;
+        v.setVisibility(View.VISIBLE);
+        Animation a = new Animation()
+        {
+            @Override
+            protected void applyTransformation(float interpolatedTime, Transformation t) {
+                v.getLayoutParams().height = interpolatedTime == 1
+                        ? CardView.LayoutParams.WRAP_CONTENT
+                        : (int)(targetHeight * interpolatedTime);
+                v.requestLayout();
+            }
+
+            @Override
+            public boolean willChangeBounds() {
+                return true;
+            }
+        };
+
+        // 1dp/ms
+        a.setDuration((int)(targetHeight / v.getContext().getResources().getDisplayMetrics().density));
+        v.startAnimation(a);
+    }
+
+    private static void collapse(final View v) {
+        final int initialHeight = v.getMeasuredHeight();
+
+        Animation a = new Animation()
+        {
+            @Override
+            protected void applyTransformation(float interpolatedTime, Transformation t) {
+                if(interpolatedTime == 1){
+                    v.setVisibility(View.GONE);
+                }else{
+                    v.getLayoutParams().height = initialHeight - (int)(initialHeight * interpolatedTime);
+                    v.requestLayout();
+                }
+            }
+
+            @Override
+            public boolean willChangeBounds() {
+                return true;
+            }
+        };
+
+        // 1dp/ms
+        a.setDuration((int)(initialHeight / v.getContext().getResources().getDisplayMetrics().density));
+        v.startAnimation(a);
+    }
+
+
     @Override
     public void onResume()
     {
         super.onResume();
 
-        updateWatchlist(preferencesManager.mustUpdate());
+        updateWatchlist(preferencesManager.mustUpdateWatchlist());
     }
 
     private void updateWatchlist(boolean mustUpdate)
@@ -131,7 +215,7 @@ public class Watchlist extends Fragment {
         {
             ((LinearLayout) view.findViewById(R.id.linearLayoutWatchlist)).removeAllViews();
 
-            for(Currency currency : watchlistManager.getWatchlist())
+            for(final Currency currency : watchlistManager.getWatchlist())
             {
                 View card = LayoutInflater.from(getContext()).inflate(R.layout.cardview_watchlist, null);
 
@@ -142,16 +226,42 @@ public class Watchlist extends Fragment {
                 ((ImageView) card.findViewById(R.id.currencyIcon)).setImageBitmap(currency.getIcon());
                 ((TextView) card.findViewById(R.id.currencyValueTextView)).setText(getResources().getString(R.string.currencyDollarPlaceholder, numberConformer(currency.getValue())));
 
+                Drawable arrowDrawable = ((ImageView) card.findViewById(R.id.detailsArrow)).getDrawable();
+                arrowDrawable.mutate();
+                arrowDrawable.setColorFilter(new PorterDuffColorFilter(currency.getChartColor(), PorterDuff.Mode.SRC_IN));
+                arrowDrawable.invalidateSelf();
+
                 updateColor(card, currency);
 
                 card.setLayoutParams(new LinearLayout.LayoutParams(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));
                 card.setOnClickListener(new View.OnClickListener() {
                     @Override
                     public void onClick(View view) {
-                        Log.d("coinfolio", "Clicked !");
+                        if(view.findViewById(R.id.collapsableLayout).getVisibility() == View.VISIBLE)
+                        {
+                            collapseView(view);
+                        }
+                        else
+                        {
+                            extendView(view);
+                        }
                     }
                 });
 
+                card.findViewById(R.id.LineChartView).setOnClickListener(new View.OnClickListener() {
+                    @Override
+                    public void onClick(View view) {
+                        Intent intent = new Intent(getActivity(), CurrencyDetailsActivity.class);
+                        intent.putExtra("currency", currency);
+                        getActivity().getApplicationContext().startActivity(intent);
+                    }
+                });
+
+                if(currency.getHistoryMinutes() != null)
+                {
+                    setupLineChart(card, currency);
+                }
+
                 ((LinearLayout) view.findViewById(R.id.linearLayoutWatchlist)).addView(card, 0);
             }
 
@@ -161,6 +271,65 @@ public class Watchlist extends Fragment {
             }
         }
     }
+    private LineData generateData(Currency currency)
+    {
+        LineDataSet dataSet;
+        List<CurrencyDataChart> dataChartList = currency.getHistoryMinutes();
+        ArrayList<Entry> values = new ArrayList<>();
+
+        Log.d("coinfolio", "Generating data for " + currency.getSymbol());
+        for(int i = 0; i < dataChartList.size(); i+=10)
+        {
+            values.add(new Entry(i, (float) dataChartList.get(i).getOpen()));
+        }
+
+        dataSet = new LineDataSet(values, "History");
+        dataSet.setDrawIcons(false);
+        dataSet.setColor(currency.getChartColor());
+        dataSet.setLineWidth(1);
+        dataSet.setDrawFilled(true);
+        dataSet.setFillColor(getColorWithAplha(currency.getChartColor(), 0.5f));
+        dataSet.setFormLineWidth(1);
+        dataSet.setFormSize(15);
+        dataSet.setDrawCircles(false);
+        dataSet.setDrawValues(false);
+        dataSet.setHighlightEnabled(false);
+
+        return new LineData(dataSet);
+    }
+
+    private int getColorWithAplha(int color, float ratio)
+    {
+        int transColor;
+        int alpha = Math.round(Color.alpha(color) * ratio);
+        int r = Color.red(color);
+        int g = Color.green(color);
+        int b = Color.blue(color);
+
+        transColor = Color.argb(alpha, r, g, b);
+
+        return transColor ;
+    }
+
+    private void setupLineChart(View view, final Currency currency)
+    {
+        LineChart lineChart = view.findViewById(R.id.LineChartView);
+
+        lineChart.setDrawGridBackground(false);
+        lineChart.setDrawBorders(false);
+        lineChart.setDrawMarkers(false);
+        lineChart.setDoubleTapToZoomEnabled(false);
+        lineChart.setPinchZoom(false);
+        lineChart.setScaleEnabled(false);
+        lineChart.setDragEnabled(false);
+        lineChart.getDescription().setEnabled(false);
+        lineChart.getAxisLeft().setEnabled(false);
+        lineChart.getAxisRight().setEnabled(false);
+        lineChart.getLegend().setEnabled(false);
+        lineChart.getXAxis().setEnabled(false);
+        lineChart.setViewPortOffsets(0, 0, 0, 0);
+        lineChart.setData(generateData(currency));
+    }
 
     private void updateColor(View card, Currency currency)
     {
@@ -215,6 +384,20 @@ public class Watchlist extends Fragment {
         callBack.onSuccess(result);
     }
 
+    private void updateChartColor(Currency currency)
+    {
+        if(currency.getIcon() != null)
+        {
+            Palette.Builder builder = Palette.from(currency.getIcon());
+
+            currency.setChartColor(builder.generate().getDominantColor(0));
+        }
+        else
+        {
+            currency.setChartColor(12369084);
+        }
+    }
+
     private class WatchlistUpdater extends AsyncTask<Void, Integer, Void>
     {
         @Override
@@ -225,7 +408,7 @@ public class Watchlist extends Fragment {
 
         @Override
         protected Void doInBackground(Void... voids) {
-            for(Currency currency : watchlistManager.getWatchlist())
+            for(final Currency currency : watchlistManager.getWatchlist())
             {
                 currency.updateHistoryMinutes(getActivity(), new Currency.CurrencyCallBack() {
                     @Override
@@ -236,6 +419,7 @@ public class Watchlist extends Fragment {
                                 @Override
                                 public void onSuccess(Bitmap bitmapIcon) {
                                     sucessCurrency.setIcon(bitmapIcon);
+                                    updateChartColor(currency);
                                     countWatchlist();
                                 }
                             });

app/src/main/java/com/nauk/coinfolio/Activities/RecordTransactionActivity.java

@@ -1,10 +1,7 @@
 package com.nauk.coinfolio.Activities;
 
-import android.app.DatePickerDialog;
 import android.content.Intent;
 import android.os.Bundle;
-import android.preference.PreferenceManager;
-import android.support.v4.widget.SwipeRefreshLayout;
 import android.support.v7.app.AppCompatActivity;
 import android.util.Log;
 import android.view.View;
@@ -21,7 +18,6 @@ import com.nauk.coinfolio.R;
 
 import java.text.SimpleDateFormat;
 import java.util.Calendar;
-import java.util.Date;
 
 public class RecordTransactionActivity extends AppCompatActivity {
 
@@ -76,7 +72,7 @@ public class RecordTransactionActivity extends AppCompatActivity {
             @Override
             public void onClick(View view) {
                 databaseManager.addCurrencyToManualCurrency(symbol, Double.parseDouble(amountTxtView.getText().toString()), calendar.getTime(), purchasedPrice.getText().toString());
-                preferenceManager.setMustUpdate(true);
+                preferenceManager.setMustUpdateSummary(true);
                 Intent intent = new Intent(RecordTransactionActivity.this, HomeActivity.class);
                 intent.setFlags(Intent.FLAG_ACTIVITY_REORDER_TO_FRONT);
                 startActivity(intent);

app/src/main/java/com/nauk/coinfolio/Activities/SettingsActivity.java

@@ -276,7 +276,7 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
 
                     SharedPreferences.Editor editor = preferences.edit();
 
-                    editor.putBoolean("mustUpdate", true);
+                    editor.putBoolean("mustUpdateSummary", true);
                     editor.apply();
 
                     return isChecked;
@@ -292,7 +292,7 @@ public class SettingsActivity extends AppCompatPreferenceActivity {
 
                     SharedPreferences.Editor editor = preferences.edit();
 
-                    editor.putBoolean("mustUpdate", true);
+                    editor.putBoolean("mustUpdateSummary", true);
                     editor.apply();
 
                     return isChecked;

app/src/main/java/com/nauk/coinfolio/DataManagers/PreferencesManager.java

@@ -83,20 +83,39 @@ public class PreferencesManager {
         editor.apply();
     }
 
-    public void setMustUpdate(boolean mustUpdate)
+    public void setMustUpdateWatchlist(boolean mustUpdate)
     {
         SharedPreferences.Editor editor = settingPreferences.edit();
-        editor.putBoolean("mustUpdate", mustUpdate);
+        editor.putBoolean("mustUpdateWatchlist", mustUpdate);
         editor.apply();
     }
 
-    public boolean mustUpdate()
+    public boolean mustUpdateWatchlist()
     {
-        boolean mustUpdate = settingPreferences.getBoolean("mustUpdate", false);
+        boolean mustUpdate = settingPreferences.getBoolean("mustUpdateWatchlist", false);
 
         if(mustUpdate)
         {
-            setMustUpdate(false);
+            setMustUpdateWatchlist(false);
+        }
+
+        return mustUpdate;
+    }
+
+    public void setMustUpdateSummary(boolean mustUpdate)
+    {
+        SharedPreferences.Editor editor = settingPreferences.edit();
+        editor.putBoolean("mustUpdateSummary", mustUpdate);
+        editor.apply();
+    }
+
+    public boolean mustUpdateSummary()
+    {
+        boolean mustUpdate = settingPreferences.getBoolean("mustUpdateSummary", false);
+
+        if(mustUpdate)
+        {
+            setMustUpdateSummary(false);
         }
 
         return mustUpdate;

app/src/main/java/com/nauk/coinfolio/LayoutManagers/HomeLayoutGenerator.java

@@ -7,6 +7,7 @@ import android.graphics.PorterDuff;
 import android.graphics.PorterDuffColorFilter;
 import android.graphics.drawable.Drawable;
 import android.support.v7.widget.CardView;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.animation.Animation;
@@ -64,7 +65,19 @@ public class HomeLayoutGenerator {
 
         updateCardViewInfos(view, currency, totalValue, isBalanceHidden);
 
+        view.findViewById(R.id.LineChartView).setOnClickListener(new View.OnClickListener() {
+            @Override
+            public void onClick(View view) {
+                Intent intent = new Intent(context.getApplicationContext(), CurrencyDetailsActivity.class);
+                intent.putExtra("currency", currency);
+                context.getApplicationContext().startActivity(intent);
+            }
+        });
+
+        if(currency.getHistoryMinutes() != null)
+        {
             setupLineChart(view, currency);
+        }
 
         if(isExtended)
         {
@@ -152,15 +165,6 @@ public class HomeLayoutGenerator {
         lineChart.getXAxis().setEnabled(false);
         lineChart.setViewPortOffsets(0, 0, 0, 0);
         lineChart.setData(generateData(currency));
-
-        lineChart.setOnClickListener(new View.OnClickListener() {
-            @Override
-            public void onClick(View view) {
-                Intent intent = new Intent(context.getApplicationContext(), CurrencyDetailsActivity.class);
-                intent.putExtra("currency", currency);
-                context.getApplicationContext().startActivity(intent);
-            }
-        });
     }
 
     private void updateCardViewInfos(View view, Currency currency, float totalValue, boolean isBalanceHidden)
@@ -249,6 +253,7 @@ public class HomeLayoutGenerator {
         List<CurrencyDataChart> dataChartList = currency.getHistoryMinutes();
         ArrayList<Entry> values = new ArrayList<>();
 
+        Log.d("coinfolio", "Generating data for " + currency.getSymbol());
         for(int i = 0; i < dataChartList.size(); i+=10)
         {
             values.add(new Entry(i, (float) dataChartList.get(i).getOpen()));
@@ -288,11 +293,11 @@ public class HomeLayoutGenerator {
 
         if(abs(number) > 1)
         {
-            str = String.format( Locale.UK, "%.2f", number);
+            str = String.format( Locale.UK, "%.2f", number).replaceAll("\\.?0*$", "");
         }
         else
         {
-            str = String.format( Locale.UK, "%.4f", number);
+            str = String.format( Locale.UK, "%.4f", number).replaceAll("\\.?0*$", "");
         }
 
         return str;

app/src/main/java/com/nauk/coinfolio/PagerAdapter.java

@@ -1,5 +1,7 @@
 package com.nauk.coinfolio;
 
+import android.app.Dialog;
+import android.os.Bundle;
 import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentManager;
 import android.support.v4.app.FragmentStatePagerAdapter;

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

@@ -105,12 +105,18 @@
 
             </LinearLayout>
 
+            <LinearLayout
+                android:id="@+id/collapsableLayout"
+                android:layout_width="match_parent"
+                android:layout_height="wrap_content"
+                android:visibility="gone"
+                android:orientation="vertical">
+
                 <LinearLayout
                     android:id="@+id/separationLayout"
                     android:layout_width="match_parent"
                     android:layout_height="wrap_content"
-                android:layout_margin="5dp"
+                    android:layout_margin="5dp">
-                android:visibility="gone">
 
                     <TextView
                         android:layout_width="wrap_content"
@@ -120,7 +126,7 @@
 
                     <View
                         android:layout_width="match_parent"
-                    android:layout_height="1dp"
+                        android:layout_height="@dimen/separationLineSize"
                         android:layout_gravity="center_vertical"
                         android:layout_marginLeft="10dp"
                         android:layout_marginRight="10dp"
@@ -133,41 +139,26 @@
                     android:layout_width="match_parent"
                     android:layout_height="@dimen/cardViewChartSize"
                     android:clickable="true"
-                android:focusable="true"
+                    android:focusable="true">
-                android:visibility="gone">
-
-                <!--<com.db.chart.view.LineChartView
-                    android:id="@+id/LineChartView"
-                    android:layout_width="match_parent"
-                    android:layout_height="@dimen/cardViewChartSize"
-                    android:visibility="gone" />-->
 
                     <com.github.mikephil.charting.charts.LineChart
                         android:id="@+id/LineChartView"
                         android:layout_width="match_parent"
-                    android:layout_height="150dp"
+                        android:layout_height="150dp"/>
-                    android:visibility="gone"/>
-
-                <TextView
-                    android:id="@+id/errorTextView"
-                    android:layout_width="match_parent"
-                    android:layout_height="@dimen/cardViewChartSize"
-                    android:gravity="center"
-                    android:text="Error"
-                    android:visibility="gone" />
 
                     <ImageView
                         android:id="@+id/detailsArrow"
                         android:layout_width="wrap_content"
                         android:layout_height="wrap_content"
                         android:src="@drawable/ic_keyboard_arrow_right_grey_48dp"
-                    android:visibility="gone"
                         android:layout_gravity="center_vertical|end"/>
 
                 </FrameLayout>
 
             </LinearLayout>
 
+        </LinearLayout>
+
     </android.support.v7.widget.CardView>
 
 </android.support.constraint.ConstraintLayout>

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

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <android.support.v4.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/swiperefresh"
+    android:id="@+id/swiperefreshmarketcap"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     app:layout_behavior="@string/appbar_scrolling_view_behavior"

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

@@ -2,7 +2,7 @@
 <android.support.v4.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:tools="http://schemas.android.com/tools"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/swiperefresh"
+    android:id="@+id/swiperefreshsummary"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     app:layout_behavior="@string/appbar_scrolling_view_behavior"

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

@@ -1,7 +1,7 @@
 <?xml version="1.0" encoding="utf-8"?>
 <android.support.v4.widget.SwipeRefreshLayout xmlns:android="http://schemas.android.com/apk/res/android"
     xmlns:app="http://schemas.android.com/apk/res-auto"
-    android:id="@+id/swiperefresh"
+    android:id="@+id/swiperefreshwatchlist"
     android:layout_width="match_parent"
     android:layout_height="match_parent"
     app:layout_behavior="@string/appbar_scrolling_view_behavior"
@@ -11,7 +11,8 @@
     <LinearLayout
         android:layout_width="match_parent"
         android:layout_height="match_parent"
-        android:orientation="vertical">
+        android:orientation="vertical"
+        android:paddingTop="10dp">
 
         <ScrollView
             android:layout_width="match_parent"