InMobi Native ads integration sample

NewsHeadlinesFragment.java

package com.inmobi.samples.nativeads;

import android.annotation.TargetApi;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.support.v4.app.ListFragment;
import android.support.v4.app.LoaderManager;
import android.support.v4.content.Loader;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ListView;
import android.widget.TextView;

import com.facebook.drawee.view.SimpleDraweeView;
import com.inmobi.ads.InMobiAdRequestStatus;
import com.inmobi.ads.InMobiNative;
import com.inmobi.samples.R;
import com.inmobi.samples.utils.AdBuilder;
import com.inmobi.samples.utils.ContentBuilder;
import com.inmobi.samples.utils.ContentItem;
import com.inmobi.samples.utils.ContentLoader;

import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;

import java.lang.ref.WeakReference;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

public class NewsHeadlinesFragment extends ListFragment implements LoaderManager.LoaderCallbacks<List<ContentItem>> {

    private static final String TAG = NewsHeadlinesFragment.class.getSimpleName();
    private static final int MAX_ADS = 50;

    private FeedAdapter mAdapter;
    private ProgressDialog mProgressDialog;

    private Map<ContentItem, WeakReference<InMobiNative>> mNativeAdMap = new HashMap<>();
    private InMobiNative[] mNativeAds = new InMobiNative[MAX_ADS];

    private static final String FEED_URL = "https://ajax.googleapis.com/ajax/services/feed/load?v=1.0&num=30&q=http://rss.nytimes.com/services/xml/rss/nyt/World.xml";
    private static final String FALLBACK_IMAGE_URL = "http://www.darrickbynum.com/wp-content/uploads/2014/07/News729x6581.jpg";
    private static final int[] AD_PLACEMENT_POSITIONS = new int[]{2, 4, 8, 13, 21};
    private static final long YOUR_PLACEMENT_ID = /*123456789L*/;

    private OnHeadlineSelectedListener mCallback;

    private final AdBuilder mAdBuilder = new AdBuilder();
    private final ContentBuilder mNewsHeadlinesBuilder = new NewsHeadlinesBuilder();

    public interface OnHeadlineSelectedListener {
        void onArticleSelected(int position);
    }

    @Override
    public Loader<List<ContentItem>> onCreateLoader(int id, Bundle args) {
        mProgressDialog = ProgressDialog.show(getActivity(),
                "Loading", "Getting news headlines");
        return new ContentLoader(getActivity(), FEED_URL, mNewsHeadlinesBuilder);
    }

    @Override
    public void onLoadFinished(Loader<List<ContentItem>> loader, List<ContentItem> data) {
        if (mProgressDialog != null) {
            mProgressDialog.dismiss();
        }

        mAdapter.setData(data);
        placeNativeAds();
    }

    @Override
    public void onLoaderReset(Loader<List<ContentItem>> loader) {
        mAdapter.setData(null);
    }

    private void placeNativeAds() {
        Log.d(TAG, "Requesting ads ...");
        for (int i = 0; i < AD_PLACEMENT_POSITIONS.length; i++) {
            final int position = AD_PLACEMENT_POSITIONS[i];
            InMobiNative nativeAd = new InMobiNative(YOUR_PLACEMENT_ID, new InMobiNative.NativeAdListener() {
                @Override
                public void onAdLoadSucceeded(final InMobiNative inMobiNative) {
                    ContentItem item = mAdapter.getItem(position);
                    WeakReference<InMobiNative> nativeAdRef = mNativeAdMap.get(item);
                    if (null == nativeAdRef) {
                        try {
                            ContentItem ad = mAdBuilder.build(new JSONObject((String) inMobiNative.getAdContent()));
                            mAdapter.insert(ad, position);
                            mNativeAdMap.put(ad, new WeakReference<>(inMobiNative));
                            mAdapter.notifyDataSetChanged();
                            Log.d(TAG, "Placed ad unit (" + inMobiNative.hashCode() +
                                    ") at position " + position);
                        } catch (JSONException e) {
                            Log.e(TAG, e.toString());
                        }
                    }
                }

                @Override
                public void onAdLoadFailed(InMobiNative inMobiNative, InMobiAdRequestStatus inMobiAdRequestStatus) {
                    Log.e(TAG, "Failed to load ad. " + inMobiAdRequestStatus.getMessage());
                }

                @Override
                public void onAdDismissed(InMobiNative inMobiNative) {

                }

                @Override
                public void onAdDisplayed(InMobiNative inMobiNative) {

                }

                @Override
                public void onUserLeftApplication(InMobiNative inMobiNative) {

                }
            });
            nativeAd.load();
            mNativeAds[i] = nativeAd;
        }
    }

    @Override
    public void onAttach(Activity activity) {
        super.onAttach(activity);
        try {
            mCallback = (OnHeadlineSelectedListener) activity;
        } catch (ClassCastException e) {
            throw new ClassCastException(activity.toString()
                    + " must implement OnSettingsSavedListener");
        }
    }

    @Override
    public void onResume() {
        super.onResume();
        for (InMobiNative nativeAd : mNativeAds) {
            if (nativeAd != null) {
                nativeAd.resume();
            }
        }
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        mAdapter = new FeedAdapter(getActivity());
        setListAdapter(mAdapter);
        return super.onCreateView(inflater, container, savedInstanceState);
    }

    @Override
    public void onActivityCreated(Bundle savedInstanceState) {
        super.onActivityCreated(savedInstanceState);
        getLoaderManager().initLoader(0, null, this);
        getListView().setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
            @Override
            public boolean onItemLongClick(final AdapterView<?> adapterView, final View view, final int position, final long id) {
                AlertDialog.Builder confirmationDialog = new AlertDialog.Builder(getActivity());
                confirmationDialog.setTitle("Delete Item?");

                confirmationDialog.setPositiveButton("Yes", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        FeedAdapter adapter = (FeedAdapter) adapterView.getAdapter();
                        adapter.remove(adapter.getItem(position));
                        adapter.notifyDataSetChanged();
                    }
                });
                confirmationDialog.setNegativeButton("No", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        dialog.cancel();
                    }
                });

                confirmationDialog.show();

                return true;
            }
        });
    }

    @Override
    public void onPause() {
        for (InMobiNative nativeAd: mNativeAds) {
            if (nativeAd != null) {
                nativeAd.pause();
            }
        }
        super.onPause();
    }

    @Override
    public void onDetach() {
        mCallback = null;
        mNativeAdMap.clear();
        super.onDetach();
    }

    @Override
    public void onListItemClick(ListView l, View v, int position, long id) {
        mCallback.onArticleSelected(position);
        ContentItem contentItem = ((FeedAdapter) l.getAdapter()).getItem(position);
        final WeakReference<InMobiNative> nativeAdRef = mNativeAdMap.get(contentItem);
        if (nativeAdRef != null && nativeAdRef.get() != null) {
            nativeAdRef.get().reportAdClickAndOpenLandingPage(null);
        }
        getListView().setItemChecked(position, true);
    }

    class ViewHolder {
        TextView headline;
        TextView content;
        TextView tag;
        SimpleDraweeView icon;
    }

    public class FeedAdapter extends ArrayAdapter<ContentItem> {
        private LayoutInflater mInflater;

        public FeedAdapter(Context context) {
            super(context, R.layout.news_headline_view);
            mInflater = LayoutInflater.from(context);
        }

        @TargetApi(Build.VERSION_CODES.HONEYCOMB)
        public void setData(List<ContentItem> items) {
            clear();
            if (items != null) {
                if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.HONEYCOMB) {
                    addAll(items);
                }
            }
        }

        @Override
        public View getView(int position, View convertView, ViewGroup parent) {
            View rowView = convertView;
            if (null == rowView) {
                rowView = mInflater.inflate(R.layout.news_headline_view, parent, false);
                ViewHolder viewHolder = new ViewHolder();
                viewHolder.headline = (TextView) rowView.findViewById(R.id.caption);
                viewHolder.content = (TextView) rowView.findViewById(R.id.content);
                viewHolder.icon = (SimpleDraweeView) rowView.findViewById(R.id.photo);
                viewHolder.tag = (TextView) rowView.findViewById(R.id.sponsored);
                rowView.setTag(viewHolder);
            }

            final ContentItem contentItem = getItem(position);
            ViewHolder holder = (ViewHolder) rowView.getTag();
            holder.headline.setText(contentItem.getTitle());
            holder.content.setText(contentItem.getContent());
            holder.icon.setImageURI(Uri.parse(contentItem.getImageUrl()));

            WeakReference<InMobiNative> nativeAdRef = mNativeAdMap.get(contentItem);
            if (null == nativeAdRef) {
                holder.tag.setVisibility(View.GONE);
                InMobiNative.unbind(rowView);
            } else {
                // we have an ad at this position
                InMobiNative nativeAd = nativeAdRef.get();
                if (nativeAd != null) {
                    holder.tag.setVisibility(View.VISIBLE);
                    holder.tag.setText(R.string.default_sponsored_text);
                    InMobiNative.bind(rowView, nativeAd);
                }
            }

            return rowView;
        }
    }

    static final class NewsHeadlinesBuilder extends ContentBuilder {

        @Override
        public List<ContentItem> toContentItems(JSONObject jsonObject) {
            List<ContentItem> contentItems = new ArrayList<>();
            try {
                JSONArray feed = jsonObject.
                        getJSONObject("responseData").
                        getJSONObject("feed").
                        getJSONArray("entries");
                for (int i = 0; i < feed.length(); i++) {
                    contentItems.add(build(feed.getJSONObject(i)));
                }
            } catch (JSONException e) {
                e.printStackTrace();
                return contentItems;
            }

            return contentItems;
        }

        @Override
        public String getTitle(JSONObject item) {
            try {
                return item.getString("title");
            } catch (JSONException e) {
                e.printStackTrace();
                return "";
            }
        }

        @Override
        public String getImageUrl(JSONObject item) {
            try {
                if (item.isNull("mediaGroups")) {
                    return FALLBACK_IMAGE_URL;
                } else {
                    return item.getJSONArray("mediaGroups")
                            .getJSONObject(0)
                            .getJSONArray("contents")
                            .getJSONObject(0)
                            .getString("url");
                }
            } catch (JSONException e) {
                e.printStackTrace();
                return "";
            }
        }

        @Override
        public String getContentBody(JSONObject item) {
            try {
                return item.getString("contentSnippet");
            } catch (JSONException e) {
                e.printStackTrace();
                return "";
            }
        }

        @Override
        public String getLandingPageUrl(JSONObject item) {
            try {
                return item.getString("link");
            } catch (JSONException e) {
                e.printStackTrace();
                return "";
            }
        }
    }

}