Show campaigns (#2113)

* Show campaigns
* Added a ui util class SwipableCardView which passes the onSwipe event to its children
* NearbyCardView & CampaignView extend SwipableCardView
* Fetch campaigns in ContributionsFragment
* Added an option to enable disable campaign in Settings/Preferences

* synced strings with master

* removed duplicate initialsation of CampaignPresenter

app/src/main/java/fr/free/nrw/commons/BasePresenter.java

@@ -0,0 +1,16 @@
+package fr.free.nrw.commons;
+
+/**
+ * Base presenter, enforcing contracts to atach and detach view
+ */
+public interface BasePresenter {
+    /**
+     * Until a view is attached, it is open to listen events from the presenter
+     */
+    void onAttachView(MvpView view);
+
+    /**
+     * Detaching a view makes sure that the view no more receives events from the presenter
+     */
+    void onDetachView();
+}

app/src/main/java/fr/free/nrw/commons/MvpView.java

@@ -0,0 +1,8 @@
+package fr.free.nrw.commons;
+
+/**
+ * Base interface for all the views
+ */
+public interface MvpView {
+    void showMessage(String message);
+}

app/src/main/java/fr/free/nrw/commons/campaigns/Campaign.java

@@ -0,0 +1,55 @@
+package fr.free.nrw.commons.campaigns;
+
+import com.google.gson.annotations.SerializedName;
+
+/**
+ * A data class to hold a campaign
+ */
+public class Campaign {
+
+    @SerializedName("title") private String title;
+    @SerializedName("description") private String description;
+    @SerializedName("startDate") private String startDate;
+    @SerializedName("endDate") private String endDate;
+    @SerializedName("link") private String link;
+
+    public String getTitle() {
+        return title;
+    }
+
+    public void setTitle(String title) {
+        this.title = title;
+    }
+
+    public String getDescription() {
+        return description;
+    }
+
+    public void setDescription(String description) {
+        this.description = description;
+    }
+
+    public String getStartDate() {
+        return startDate;
+    }
+
+    public void setStartDate(String startDate) {
+        this.startDate = startDate;
+    }
+
+    public String getEndDate() {
+        return endDate;
+    }
+
+    public void setEndDate(String endDate) {
+        this.endDate = endDate;
+    }
+
+    public String getLink() {
+        return link;
+    }
+
+    public void setLink(String link) {
+        this.link = link;
+    }
+}

app/src/main/java/fr/free/nrw/commons/campaigns/CampaignConfig.java

@@ -0,0 +1,12 @@
+package fr.free.nrw.commons.campaigns;
+
+import com.google.gson.annotations.SerializedName;
+
+/**
+ * A data class to hold the campaign configs
+ */
+class CampaignConfig {
+
+    @SerializedName("showOnlyLiveCampaigns") private boolean showOnlyLiveCampaigns;
+    @SerializedName("sortBy") private String sortBy;
+}

app/src/main/java/fr/free/nrw/commons/campaigns/CampaignResponseDTO.java

@@ -0,0 +1,24 @@
+package fr.free.nrw.commons.campaigns;
+
+import com.google.gson.annotations.SerializedName;
+import java.util.List;
+
+/**
+ * Data class to hold the response from the campaigns api
+ */
+public class CampaignResponseDTO {
+
+    @SerializedName("config")
+    private CampaignConfig campaignConfig;
+
+    @SerializedName("campaigns")
+    private List<Campaign> campaigns;
+
+    public CampaignConfig getCampaignConfig() {
+        return campaignConfig;
+    }
+
+    public List<Campaign> getCampaigns() {
+        return campaigns;
+    }
+}

app/src/main/java/fr/free/nrw/commons/campaigns/CampaignView.java

@@ -0,0 +1,110 @@
+package fr.free.nrw.commons.campaigns;
+
+import android.content.Context;
+import android.content.Intent;
+import android.net.Uri;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.util.AttributeSet;
+import android.view.View;
+import android.widget.TextView;
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import fr.free.nrw.commons.R;
+import fr.free.nrw.commons.contributions.MainActivity;
+import fr.free.nrw.commons.utils.SwipableCardView;
+import fr.free.nrw.commons.utils.ViewUtil;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Date;
+
+/**
+ * A view which represents a single campaign
+ */
+public class CampaignView extends SwipableCardView {
+    Campaign campaign = null;
+    private ViewHolder viewHolder;
+
+    public CampaignView(@NonNull Context context) {
+        super(context);
+        init();
+    }
+
+    public CampaignView(@NonNull Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs);
+        init();
+    }
+
+    public CampaignView(@NonNull Context context, @Nullable AttributeSet attrs, int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        init();
+    }
+
+    public void setCampaign(Campaign campaign) {
+        this.campaign = campaign;
+        if (campaign != null) {
+            this.setVisibility(View.VISIBLE);
+            viewHolder.init();
+        } else {
+            this.setVisibility(View.GONE);
+        }
+    }
+
+    @Override public boolean onSwipe(View view) {
+        view.setVisibility(View.GONE);
+        ((MainActivity) getContext()).prefs.edit()
+            .putBoolean("displayCampaignsCardView", false)
+            .apply();
+        ViewUtil.showLongToast(getContext(),
+            getResources().getString(R.string.nearby_campaign_dismiss_message));
+        return true;
+    }
+
+    private void init() {
+        View rootView = inflate(getContext(), R.layout.layout_campagin, this);
+        viewHolder = new ViewHolder(rootView);
+        setOnClickListener(view -> {
+            if (campaign != null) {
+                showCampaignInBrowser(campaign.getLink());
+            }
+        });
+    }
+
+    /**
+     * open the url associated with the campaign in the system's default browser
+     */
+    private void showCampaignInBrowser(String link) {
+        Intent view = new Intent();
+        view.setAction(Intent.ACTION_VIEW);
+        view.setData(Uri.parse(link));
+        getContext().startActivity(view);
+    }
+
+    public class ViewHolder {
+
+        @BindView(R.id.tv_title) TextView tvTitle;
+        @BindView(R.id.tv_description) TextView tvDescription;
+        @BindView(R.id.tv_dates) TextView tvDates;
+
+        public ViewHolder(View itemView) {
+            ButterKnife.bind(this, itemView);
+        }
+
+        public void init() {
+            if (campaign != null) {
+                tvTitle.setText(campaign.getTitle());
+                tvDescription.setText(campaign.getDescription());
+                SimpleDateFormat inputDateFormat = new SimpleDateFormat("yyyy-MM-dd");
+                SimpleDateFormat outputDateFormat = new SimpleDateFormat("dd MMM");
+                try {
+                    Date startDate = inputDateFormat.parse(campaign.getStartDate());
+                    Date endDate = inputDateFormat.parse(campaign.getEndDate());
+                    tvDates.setText(String.format("%1s - %2s", outputDateFormat.format(startDate),
+                        outputDateFormat.format(endDate)));
+                } catch (ParseException e) {
+                    e.printStackTrace();
+                }
+            }
+        }
+    }
+}

app/src/main/java/fr/free/nrw/commons/campaigns/CampaignsPresenter.java

@@ -0,0 +1,99 @@
+package fr.free.nrw.commons.campaigns;
+
+import android.util.Log;
+import fr.free.nrw.commons.BasePresenter;
+import fr.free.nrw.commons.MvpView;
+import fr.free.nrw.commons.mwapi.MediaWikiApi;
+import io.reactivex.Single;
+import io.reactivex.SingleObserver;
+import io.reactivex.android.schedulers.AndroidSchedulers;
+import io.reactivex.disposables.Disposable;
+import io.reactivex.schedulers.Schedulers;
+import java.text.ParseException;
+import java.text.SimpleDateFormat;
+import java.util.Collections;
+import java.util.Date;
+import java.util.List;
+
+/**
+ * The presenter for the campaigns view, fetches the campaigns from the api and informs the view on
+ * success and error
+ */
+public class CampaignsPresenter implements BasePresenter {
+    private final String TAG = "#CampaignsPresenter#";
+    private ICampaignsView view;
+    private MediaWikiApi mediaWikiApi;
+    private Disposable disposable;
+    private Campaign campaign;
+
+    @Override public void onAttachView(MvpView view) {
+        this.view = (ICampaignsView) view;
+        this.mediaWikiApi = ((ICampaignsView) view).getMediaWikiApi();
+    }
+
+    @Override public void onDetachView() {
+        this.view = null;
+        disposable.dispose();
+    }
+
+    /**
+     * make the api call to fetch the campaigns
+     */
+    public void getCampaigns() {
+        if (view != null && mediaWikiApi != null) {
+            //If we already have a campaign, lets not make another call
+            if (this.campaign != null) {
+                view.showCampaigns(campaign);
+                return;
+            }
+            Single<CampaignResponseDTO> campaigns = mediaWikiApi.getCampaigns();
+            campaigns.observeOn(AndroidSchedulers.mainThread())
+                .subscribeOn(Schedulers.io())
+                .subscribeWith(new SingleObserver<CampaignResponseDTO>() {
+
+                    @Override public void onSubscribe(Disposable d) {
+                        disposable = d;
+                    }
+
+                    @Override public void onSuccess(CampaignResponseDTO campaignResponseDTO) {
+                        List<Campaign> campaigns = campaignResponseDTO.getCampaigns();
+                        SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd");
+                        if (campaigns == null || campaigns.isEmpty()) {
+                            Log.e(TAG, "The campaigns list is empty");
+                            view.showCampaigns(null);
+                        }
+                        Collections.sort(campaigns, (campaign, t1) -> {
+                            Date date1, date2;
+                            try {
+                                date1 = dateFormat.parse(campaign.getStartDate());
+                                date2 = dateFormat.parse(t1.getStartDate());
+                            } catch (ParseException e) {
+                                e.printStackTrace();
+                                return -1;
+                            }
+                            return date1.compareTo(date2);
+                        });
+                        Date campaignEndDate = null;
+                        try {
+                            campaignEndDate = dateFormat.parse(campaigns.get(0).getEndDate());
+                        } catch (ParseException e) {
+                            e.printStackTrace();
+                        }
+                        if (campaignEndDate == null) {
+                            view.showCampaigns(null);
+                        } else if (campaignEndDate.compareTo(new Date()) > 0) {
+                            campaign = campaigns.get(0);
+                            view.showCampaigns(campaign);
+                        } else {
+                            Log.e(TAG, "The campaigns has already finished");
+                            view.showCampaigns(null);
+                        }
+                    }
+
+                    @Override public void onError(Throwable e) {
+                        Log.e(TAG, "could not fetch campaigns: " + e.getMessage());
+                    }
+                });
+        }
+    }
+}

app/src/main/java/fr/free/nrw/commons/campaigns/ICampaignsView.java

@@ -0,0 +1,13 @@
+package fr.free.nrw.commons.campaigns;
+
+import fr.free.nrw.commons.MvpView;
+import fr.free.nrw.commons.mwapi.MediaWikiApi;
+
+/**
+ * Interface which defines the view contracts of the campaign view
+ */
+public interface ICampaignsView extends MvpView {
+    MediaWikiApi getMediaWikiApi();
+
+    void showCampaigns(Campaign campaign);
+}

app/src/main/java/fr/free/nrw/commons/contributions/ContributionsFragment.java

@@ -14,6 +14,7 @@ import android.os.Bundle;
 import android.os.IBinder;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
+import android.support.v4.app.Fragment;
 import android.support.v4.app.FragmentManager;
 import android.support.v4.app.FragmentTransaction;
 
@@ -22,6 +23,8 @@ import android.support.v4.content.Loader;
 import android.support.v4.app.LoaderManager;
 import android.support.v4.widget.CursorAdapter;
 import android.support.v7.app.AlertDialog;
+import android.support.v7.widget.RecyclerView;
+import android.util.Log;
 import android.view.LayoutInflater;
 import android.view.View;
 import android.view.ViewGroup;
@@ -30,6 +33,14 @@ import android.widget.AdapterView;
 import android.widget.CheckBox;
 import android.widget.CompoundButton;
 
+import android.widget.Toast;
+import butterknife.BindView;
+import butterknife.ButterKnife;
+import fr.free.nrw.commons.campaigns.Campaign;
+import fr.free.nrw.commons.campaigns.CampaignResponseDTO;
+import fr.free.nrw.commons.campaigns.CampaignView;
+import fr.free.nrw.commons.campaigns.CampaignsPresenter;
+import fr.free.nrw.commons.campaigns.ICampaignsView;
 import java.util.ArrayList;
 import java.util.concurrent.CountDownLatch;
 
@@ -60,6 +71,7 @@ import io.reactivex.android.schedulers.AndroidSchedulers;
 import io.reactivex.disposables.CompositeDisposable;
 import io.reactivex.disposables.Disposable;
 import io.reactivex.schedulers.Schedulers;
+import org.acra.util.ToastSender;
 import timber.log.Timber;
 
 import static fr.free.nrw.commons.contributions.Contribution.STATE_FAILED;
@@ -76,7 +88,7 @@ public class ContributionsFragment
                     MediaDetailPagerFragment.MediaDetailProvider,
                     FragmentManager.OnBackStackChangedListener,
                     ContributionsListFragment.SourceRefresher,
-                    LocationUpdateListener
+                    LocationUpdateListener,ICampaignsView
                     {
     @Inject
     @Named("default_preferences")
@@ -112,6 +124,10 @@ public class ContributionsFragment
     private boolean isFragmentAttachedBefore = false;
     private View checkBoxView;
     private CheckBox checkBox;
+    private CampaignsPresenter presenter;
+
+
+    @BindView(R.id.campaigns_view) CampaignView campaignView;
 
                         /**
      * Since we will need to use parent activity on onAuthCookieAcquired, we have to wait
@@ -142,6 +158,10 @@ public class ContributionsFragment
     @Override
     public View onCreateView(LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
         View view = inflater.inflate(R.layout.fragment_contributions, container, false);
+        ButterKnife.bind(this, view);
+        presenter = new CampaignsPresenter();
+        presenter.onAttachView(this);
+        campaignView.setVisibility(View.GONE);
         nearbyNoificationCardView = view.findViewById(R.id.card_view_nearby);
         checkBoxView = View.inflate(getActivity(), R.layout.nearby_permission_dialog, null);
         checkBox = (CheckBox) checkBoxView.findViewById(R.id.never_ask_again);
@@ -173,6 +193,27 @@ public class ContributionsFragment
             setUploadCount();
         }
 
+        getChildFragmentManager().registerFragmentLifecycleCallbacks(
+            new FragmentManager.FragmentLifecycleCallbacks() {
+                @Override public void onFragmentResumed(FragmentManager fm, Fragment f) {
+                    super.onFragmentResumed(fm, f);
+                    //If media detail pager fragment is visible, hide the campaigns view [might not be the best way to do, this but yeah, this proves to work for now]
+                    Log.e("#CF#", "onFragmentResumed" + f.getClass().getName());
+                    if (f instanceof MediaDetailPagerFragment) {
+                        campaignView.setVisibility(View.GONE);
+                    }
+                }
+
+                @Override public void onFragmentDetached(FragmentManager fm, Fragment f) {
+                    super.onFragmentDetached(fm, f);
+                    Log.e("#CF#", "onFragmentDetached" + f.getClass().getName());
+                    //If media detail pager fragment is detached, ContributionsList fragment is gonna be visible, [becomes tightly coupled though]
+                    if (f instanceof MediaDetailPagerFragment) {
+                        fetchCampaigns();
+                    }
+                }
+            }, true);
+
         return view;
     }
 
@@ -537,7 +578,7 @@ public class ContributionsFragment
             nearbyNoificationCardView.setVisibility(View.GONE);
         }
 
-
+        fetchCampaigns();
     }
 
     /**
@@ -694,5 +735,38 @@ public class ContributionsFragment
         // Update closest nearby card view if location changed more than 500 meters
         updateClosestNearbyCardViewInfo();
     }
+
+    @Override public void onViewCreated(@NonNull View view,
+        @Nullable Bundle savedInstanceState) {
+        super.onViewCreated(view, savedInstanceState);
+    }
+
+    /**
+     * ask the presenter to fetch the campaigns only if user has not manually disabled it
+     */
+    private void fetchCampaigns() {
+        if (prefs.getBoolean("displayCampaignsCardView", true)) {
+            presenter.getCampaigns();
+        }
+    }
+
+    @Override public void showMessage(String message) {
+        Toast.makeText(getContext(), message, Toast.LENGTH_SHORT).show();
+    }
+
+    @Override public MediaWikiApi getMediaWikiApi() {
+        return mediaWikiApi;
+    }
+
+    @Override public void showCampaigns(Campaign campaign) {
+        if (campaign != null) {
+            campaignView.setCampaign(campaign);
+        }
+    }
+
+    @Override public void onDestroyView() {
+        super.onDestroyView();
+        presenter.onDetachView();
+    }
 }
 

app/src/main/java/fr/free/nrw/commons/mwapi/ApacheHttpClientMediaWikiApi.java

@@ -11,6 +11,7 @@ import android.text.TextUtils;
 
 import com.google.gson.Gson;
 
+import fr.free.nrw.commons.campaigns.CampaignResponseDTO;
 import org.apache.http.HttpResponse;
 import org.apache.http.conn.ClientConnectionManager;
 import org.apache.http.conn.scheme.PlainSocketFactory;
@@ -77,6 +78,8 @@ public class ApacheHttpClientMediaWikiApi implements MediaWikiApi {
     private SharedPreferences categoryPreferences;
     private Gson gson;
     private final OkHttpClient okHttpClient;
+    private final String WIKIMEDIA_CAMPAIGNS_BASE_URL =
+        "https://raw.githubusercontent.com/commons-app/campaigns/master/campaigns.json";
 
     public ApacheHttpClientMediaWikiApi(Context context,
                                         String apiURL,
@@ -1054,4 +1057,18 @@ public class ApacheHttpClientMediaWikiApi implements MediaWikiApi {
         }
     }
 
+    @Override public Single<CampaignResponseDTO> getCampaigns() {
+        return Single.fromCallable(() -> {
+            Request request = new Request.Builder().url(WIKIMEDIA_CAMPAIGNS_BASE_URL).build();
+            Response response = okHttpClient.newCall(request).execute();
+            if (response != null && response.body() != null && response.isSuccessful()) {
+                String json = response.body().string();
+                if (json == null) {
+                    return null;
+                }
+                return gson.fromJson(json, CampaignResponseDTO.class);
+            }
+            return null;
+        });
+    }
 }

app/src/main/java/fr/free/nrw/commons/mwapi/MediaWikiApi.java

@@ -4,6 +4,7 @@ import android.net.Uri;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
 
+import fr.free.nrw.commons.campaigns.CampaignResponseDTO;
 import java.io.IOException;
 import java.io.InputStream;
 import java.util.List;
@@ -105,6 +106,8 @@ public interface MediaWikiApi {
 
     void logout();
 
+    Single<CampaignResponseDTO> getCampaigns();
+
     interface ProgressListener {
         void onProgress(long transferred, long total);
     }

app/src/main/java/fr/free/nrw/commons/nearby/NearbyNoificationCardView.java

@@ -6,12 +6,8 @@ import android.content.res.Resources;
 import android.os.Handler;
 import android.support.annotation.NonNull;
 import android.support.annotation.Nullable;
-import android.support.design.widget.CoordinatorLayout;
-import android.support.design.widget.SwipeDismissBehavior;
 import android.support.v7.app.AlertDialog;
-import android.support.v7.widget.CardView;
 import android.util.AttributeSet;
-import android.util.Log;
 import android.view.MotionEvent;
 import android.view.View;
 import android.widget.Button;
@@ -20,19 +16,17 @@ import android.widget.ProgressBar;
 import android.widget.RelativeLayout;
 import android.widget.TextView;
 
-import android.widget.Toast;
-
 import fr.free.nrw.commons.R;
 import fr.free.nrw.commons.contributions.MainActivity;
+import fr.free.nrw.commons.utils.SwipableCardView;
 import fr.free.nrw.commons.utils.ViewUtil;
 import timber.log.Timber;
 
 /**
  * Custom card view for nearby notification card view on main screen, above contributions list
  */
-public class NearbyNoificationCardView  extends CardView{
+public class NearbyNoificationCardView  extends SwipableCardView {
 
-    private static final float MINIMUM_THRESHOLD_FOR_SWIPE = 100;
     private Context context;
 
     private Button permissionRequestButton;
@@ -99,42 +93,16 @@ public class NearbyNoificationCardView  extends CardView{
 
     private void setActionListeners() {
         this.setOnClickListener(view -> ((MainActivity)context).viewPager.setCurrentItem(1));
+    }
 
-        this.setOnTouchListener(
-                (v, event) -> {
-                    boolean isSwipe = false;
-                    float deltaX=0.0f;
-                    switch (event.getAction()) {
-                        case MotionEvent.ACTION_DOWN:
-                            x1 = event.getX();
-                            break;
-                        case MotionEvent.ACTION_UP:
-                            x2 = event.getX();
-                            deltaX = x2 - x1;
-                            if (deltaX < 0) {
-                                //Right to left swipe
-                                isSwipe = true;
-                            } else if (deltaX > 0) {
-                                //Left to right swipe
-                                isSwipe = true;
-                            }
-                            break;
-                    }
-                    if (isSwipe && (pixelToDp(Math.abs(deltaX)) > MINIMUM_THRESHOLD_FOR_SWIPE)) {
-                        v.setVisibility(GONE);
+    @Override public boolean onSwipe(View view) {
+        view.setVisibility(GONE);
         // Save shared preference for nearby card view accordingly
-                        ((MainActivity) context).prefs.edit()
-                                .putBoolean("displayNearbyCardView", false).apply();
-                        ViewUtil.showLongToast(context, getResources().getString(R.string.nearby_notification_dismiss_message));
+        ((MainActivity) context).prefs.edit().putBoolean("displayNearbyCardView", false).apply();
+        ViewUtil.showLongToast(context,
+            getResources().getString(R.string.nearby_notification_dismiss_message));
         return true;
     }
-                    return false;
-                });
-    }
-
-    private float pixelToDp(float pixels) {
-        return (pixels / Resources.getSystem().getDisplayMetrics().density);
-    }
 
     /**
      * Sets permission request button visible and content layout invisible, then adds correct

app/src/main/java/fr/free/nrw/commons/utils/SwipableCardView.java

@@ -0,0 +1,72 @@
+package fr.free.nrw.commons.utils;
+
+import android.content.Context;
+import android.content.res.Resources;
+import android.support.annotation.NonNull;
+import android.support.annotation.Nullable;
+import android.support.v7.widget.CardView;
+import android.util.AttributeSet;
+import android.util.Log;
+import android.view.MotionEvent;
+import android.view.View;
+
+/**
+ * A card view which informs onSwipe events to its child
+ */
+public abstract class SwipableCardView extends CardView {
+    float x1, x2;
+    private static final float MINIMUM_THRESHOLD_FOR_SWIPE = 100;
+
+    public SwipableCardView(@NonNull Context context) {
+        super(context);
+        interceptOnTouchListener();
+    }
+
+    public SwipableCardView(@NonNull Context context, @Nullable AttributeSet attrs) {
+        super(context, attrs);
+        interceptOnTouchListener();
+    }
+
+    public SwipableCardView(@NonNull Context context, @Nullable AttributeSet attrs,
+        int defStyleAttr) {
+        super(context, attrs, defStyleAttr);
+        interceptOnTouchListener();
+    }
+
+    private void interceptOnTouchListener() {
+        this.setOnTouchListener((v, event) -> {
+            boolean isSwipe = false;
+            float deltaX = 0.0f;
+            Log.e("#SwipableCardView#", event.getAction() + "");
+            switch (event.getAction()) {
+                case MotionEvent.ACTION_DOWN:
+                    x1 = event.getX();
+                    break;
+                case MotionEvent.ACTION_UP:
+                    x2 = event.getX();
+                    deltaX = x2 - x1;
+                    if (deltaX < 0) {
+                        //Right to left swipe
+                        isSwipe = true;
+                    } else if (deltaX > 0) {
+                        //Left to right swipe
+                        isSwipe = true;
+                    }
+                    break;
+            }
+            if (isSwipe && (pixelToDp(Math.abs(deltaX)) > MINIMUM_THRESHOLD_FOR_SWIPE)) {
+                return onSwipe(v);
+            }
+            return false;
+        });
+    }
+
+    /**
+     * abstract function which informs swipe events to those who have inherited from it
+     */
+    public abstract boolean onSwipe(View view);
+
+    private float pixelToDp(float pixels) {
+        return (pixels / Resources.getSystem().getDisplayMetrics().density);
+    }
+}

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

@@ -12,11 +12,21 @@
     app:cardBackgroundColor="?attr/mainCardBackground"
     />
 
+  <fr.free.nrw.commons.campaigns.CampaignView
+      android:id="@+id/campaigns_view"
+      android:layout_width="match_parent"
+      android:layout_height="wrap_content"
+      android:layout_marginTop="2dp"
+      app:cardBackgroundColor="?attr/mainCardBackground"
+      ></fr.free.nrw.commons.campaigns.CampaignView>
+
   <FrameLayout
       android:id="@+id/root_frame"
       android:layout_width="match_parent"
       android:layout_height="match_parent"
-    android:background="#000">
+      android:layout_marginTop="2dp"
+      android:background="#000"
+      >
   </FrameLayout>
 
 </LinearLayout>

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

@@ -0,0 +1,71 @@
+<?xml version="1.0" encoding="utf-8"?>
+<android.support.constraint.ConstraintLayout
+    xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    android:layout_width="match_parent"
+    android:layout_height="wrap_content"
+    android:paddingBottom="16dp"
+    android:paddingEnd="10dp"
+    android:paddingRight="10dp"
+    android:paddingTop="16dp"
+    >
+
+  <ImageView
+      android:id="@+id/iv_campaign"
+      android:layout_width="40dp"
+      android:layout_height="40dp"
+      android:layout_marginLeft="16dp"
+      android:scaleType="centerCrop"
+      app:layout_constraintBottom_toBottomOf="parent"
+      app:layout_constraintLeft_toLeftOf="parent"
+      app:layout_constraintTop_toTopOf="parent"
+      app:srcCompat="@drawable/ic_campaign"
+      />
+
+  <android.support.constraint.ConstraintLayout
+      android:layout_width="wrap_content"
+      android:layout_height="wrap_content"
+      android:layout_marginLeft="16dp"
+      android:layout_marginRight="4dp"
+      app:layout_constraintBottom_toBottomOf="parent"
+      app:layout_constraintLeft_toRightOf="@id/iv_campaign"
+      app:layout_constraintTop_toTopOf="parent"
+      >
+    <TextView
+        android:id="@+id/tv_title"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="16dp"
+        android:textColor="@android:color/white"
+        android:textStyle="bold"
+        tools:text="Campaign Title"
+        />
+
+    <TextView
+        android:id="@+id/tv_description"
+        android:layout_width="wrap_content"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="16dp"
+        android:gravity="start"
+        android:paddingTop="2dp"
+        android:textAlignment="textStart"
+        android:textColor="@android:color/white"
+        android:visibility="gone"
+        app:layout_constraintTop_toBottomOf="@id/tv_title"
+        tools:text="Campaign Description"
+        />
+
+    <TextView
+        android:id="@+id/tv_dates"
+        android:layout_width="0dp"
+        android:layout_height="wrap_content"
+        android:layout_marginLeft="16dp"
+        android:layout_weight="1"
+        android:paddingTop="2dp"
+        android:text="@string/ends_on"
+        android:textColor="@android:color/white"
+        app:layout_constraintTop_toBottomOf="@id/tv_description"
+        />
+  </android.support.constraint.ConstraintLayout>
+</android.support.constraint.ConstraintLayout>

app/src/main/res/values/strings.xml

@@ -433,5 +433,9 @@ Upload your first media by touching the camera or gallery icon above.</string>
   <string name="never_ask_again">Never ask this again</string>
   <string name="display_location_permission_title">Display location permission</string>
   <string name="display_location_permission_explanation">Ask for location permission when needed for nearby notification card view feature.</string>
+  <string name="ends_on">Ends on:</string>
+  <string name="display_campaigns">Display campaigns</string>
+  <string name="display_campaigns_explanation">Tap here to see the ongoing campaigns</string>
+  <string name="nearby_campaign_dismiss_message">You won\'t see the campaigns anymore. However, you can re-enable this notification in Settings if you wish.</string>
 
 </resources>

app/src/main/res/xml/preferences.xml

@@ -47,6 +47,11 @@
             android:title="@string/display_location_permission_title"
             android:defaultValue="true"
             android:summary="@string/display_location_permission_explanation" />
+        <fr.free.nrw.commons.ui.LongTitlePreferences.LongTitleSwitchPreference
+            android:key="displayCampaignsCardView"
+            android:title="@string/display_campaigns"
+            android:defaultValue="true"
+            android:summary="@string/display_campaigns_explanation" />
 
     </fr.free.nrw.commons.ui.LongTitlePreferences.LongTitlePreferenceCategory>