Added statistics function

Fixes #1743

3 files changed, 212 insertions, 0 deletions

diff --git a/app/src/main/java/de/danoeh/antennapod/activity/StatisticsActivity.java b/app/src/main/java/de/danoeh/antennapod/activity/StatisticsActivity.java
new file mode 100644
index 000000000..0254617e4
--- /dev/null
+++ b/app/src/main/java/de/danoeh/antennapod/activity/StatisticsActivity.java
@@ -0,0 +1,107 @@
+package de.danoeh.antennapod.activity;
+
+import android.os.Bundle;
+import android.support.v7.app.AlertDialog;
+import android.support.v7.app.AppCompatActivity;
+import android.util.Log;
+import android.view.MenuItem;
+import android.view.View;
+import android.widget.AdapterView;
+import android.widget.ListView;
+import android.widget.ProgressBar;
+import android.widget.TextView;
+
+import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.adapter.StatisticsListAdapter;
+import de.danoeh.antennapod.core.preferences.UserPreferences;
+import de.danoeh.antennapod.core.storage.DBReader;
+import de.danoeh.antennapod.core.util.Converter;
+import rx.Observable;
+import rx.Subscription;
+import rx.android.schedulers.AndroidSchedulers;
+import rx.schedulers.Schedulers;
+
+/**
+ * Displays the 'statistics' screen
+ */
+public class StatisticsActivity extends AppCompatActivity
+        implements AdapterView.OnItemClickListener {
+
+    private static final String TAG = StatisticsActivity.class.getSimpleName();
+
+    private Subscription subscription;
+    private TextView totalTimeTextView;
+    private ListView feedStatisticsList;
+    private ProgressBar progressBar;
+    private StatisticsListAdapter listAdapter;
+
+    @Override
+    protected void onCreate(Bundle savedInstanceState) {
+        setTheme(UserPreferences.getTheme());
+        super.onCreate(savedInstanceState);
+        getSupportActionBar().setDisplayShowHomeEnabled(true);
+        setContentView(R.layout.statistics_activity);
+
+        totalTimeTextView = (TextView) findViewById(R.id.total_time);
+        feedStatisticsList = (ListView) findViewById(R.id.statistics_list);
+        progressBar = (ProgressBar) findViewById(R.id.progressBar);
+        listAdapter = new StatisticsListAdapter(this);
+        feedStatisticsList.setAdapter(listAdapter);
+        feedStatisticsList.setOnItemClickListener(this);
+    }
+
+    @Override
+    public void onResume() {
+        super.onResume();
+        progressBar.setVisibility(View.VISIBLE);
+        totalTimeTextView.setVisibility(View.GONE);
+        feedStatisticsList.setVisibility(View.GONE);
+        loadStats();
+    }
+
+    @Override
+    public boolean onOptionsItemSelected(MenuItem item) {
+        if (item.getItemId() == android.R.id.home) {
+            finish();
+            return true;
+        } else {
+            return super.onOptionsItemSelected(item);
+        }
+    }
+
+    private void loadStats() {
+        if(subscription != null) {
+            subscription.unsubscribe();
+        }
+        subscription = Observable.fromCallable(() -> DBReader.getStatistics())
+                .subscribeOn(Schedulers.newThread())
+                .observeOn(AndroidSchedulers.mainThread())
+                .subscribe(result -> {
+                    if (result != null) {
+                        totalTimeTextView.setText(Converter
+                                .shortLocalizedDuration(this, result.totalTime));
+                        listAdapter.update(result.feedTime);
+                        progressBar.setVisibility(View.GONE);
+                        totalTimeTextView.setVisibility(View.VISIBLE);
+                        feedStatisticsList.setVisibility(View.VISIBLE);
+                    }
+                }, error -> {
+                    Log.e(TAG, Log.getStackTraceString(error));
+                });
+    }
+
+    @Override
+    public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
+        DBReader.StatisticsItem stats = listAdapter.getItem(position);
+
+        AlertDialog.Builder dialog = new AlertDialog.Builder(this);
+        dialog.setTitle(stats.feed.getTitle());
+        dialog.setMessage(getString(R.string.statistics_details_dialog,
+                stats.episodesStarted,
+                stats.episodes,
+                Converter.shortLocalizedDuration(this, stats.timePlayed),
+                Converter.shortLocalizedDuration(this, stats.time)));
+        dialog.setPositiveButton(android.R.string.ok, null);
+        dialog.show();
+    }
+}
diff --git a/app/src/main/java/de/danoeh/antennapod/adapter/StatisticsListAdapter.java b/app/src/main/java/de/danoeh/antennapod/adapter/StatisticsListAdapter.java
new file mode 100644
index 000000000..7fb1472ad
--- /dev/null
+++ b/app/src/main/java/de/danoeh/antennapod/adapter/StatisticsListAdapter.java
@@ -0,0 +1,97 @@
+package de.danoeh.antennapod.adapter;
+
+import android.content.Context;
+import android.view.LayoutInflater;
+import android.view.View;
+import android.view.ViewGroup;
+import android.widget.BaseAdapter;
+import android.widget.ImageView;
+import android.widget.TextView;
+
+import com.bumptech.glide.Glide;
+import com.joanzapata.iconify.widget.IconTextView;
+
+import java.util.ArrayList;
+import java.util.List;
+import java.util.Locale;
+
+import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.core.feed.Feed;
+import de.danoeh.antennapod.core.glide.ApGlideSettings;
+import de.danoeh.antennapod.core.storage.DBReader;
+import de.danoeh.antennapod.core.util.Converter;
+
+/**
+ * Adapter for the statistics list
+ */
+public class StatisticsListAdapter extends BaseAdapter {
+    private Context context;
+    List<DBReader.StatisticsItem> feedTime = new ArrayList<>();
+
+    public StatisticsListAdapter(Context context) {
+        this.context = context;
+    }
+
+
+    @Override
+    public int getCount() {
+        return feedTime.size();
+    }
+
+    @Override
+    public DBReader.StatisticsItem getItem(int position) {
+        return feedTime.get(position);
+    }
+
+    @Override
+    public long getItemId(int position) {
+        return feedTime.get(position).feed.getId();
+    }
+
+    @Override
+    public View getView(int position, View convertView, ViewGroup parent) {
+        StatisticsHolder holder;
+        Feed feed = feedTime.get(position).feed;
+
+        if (convertView == null) {
+            holder = new StatisticsHolder();
+            LayoutInflater inflater = (LayoutInflater) context
+                    .getSystemService(Context.LAYOUT_INFLATER_SERVICE);
+
+            convertView = inflater.inflate(R.layout.statistics_listitem, parent, false);
+
+            holder.image = (ImageView) convertView.findViewById(R.id.imgvCover);
+            holder.title = (TextView) convertView.findViewById(R.id.txtvTitle);
+            holder.time = (TextView) convertView.findViewById(R.id.txtvTime);
+            convertView.setTag(holder);
+        } else {
+            holder = (StatisticsHolder) convertView.getTag();
+        }
+
+        Glide.with(context)
+                .load(feed.getImageUri())
+                .placeholder(R.color.light_gray)
+                .error(R.color.light_gray)
+                .diskCacheStrategy(ApGlideSettings.AP_DISK_CACHE_STRATEGY)
+                .fitCenter()
+                .dontAnimate()
+                .into(holder.image);
+
+        holder.title.setText(feed.getTitle());
+        holder.time.setText(Converter.shortLocalizedDuration(context,
+                feedTime.get(position).timePlayed));
+        return convertView;
+    }
+
+    public void update(List<DBReader.StatisticsItem> feedTime) {
+        this.feedTime = feedTime;
+        notifyDataSetChanged();
+    }
+
+    static class StatisticsHolder {
+        ImageView image;
+        TextView title;
+        TextView time;
+    }
+
+}
diff --git a/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceController.java b/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceController.java
index 152412089..5ad1b624a 100644
--- a/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceController.java
+++ b/app/src/main/java/de/danoeh/antennapod/preferences/PreferenceController.java
@@ -49,6 +49,7 @@ import de.danoeh.antennapod.activity.DirectoryChooserActivity;
 import de.danoeh.antennapod.activity.MainActivity;
 import de.danoeh.antennapod.activity.PreferenceActivity;
 import de.danoeh.antennapod.activity.PreferenceActivityGingerbread;
+import de.danoeh.antennapod.activity.StatisticsActivity;
 import de.danoeh.antennapod.asynctask.OpmlExportWorker;
 import de.danoeh.antennapod.core.preferences.GpodnetPreferences;
 import de.danoeh.antennapod.core.preferences.UserPreferences;
@@ -75,6 +76,7 @@ public class PreferenceController implements SharedPreferences.OnSharedPreferenc
     public static final String PREF_FLATTR_REVOKE = "prefRevokeAccess";
     public static final String PREF_AUTO_FLATTR_PREFS = "prefAutoFlattrPrefs";
     public static final String PREF_OPML_EXPORT = "prefOpmlExport";
+    public static final String STATISTICS = "statistics";
     public static final String PREF_ABOUT = "prefAbout";
     public static final String PREF_CHOOSE_DATA_DIR = "prefChooseDataDir";
     public static final String AUTO_DL_PREF_SCREEN = "prefAutoDownloadSettings";
@@ -153,6 +155,12 @@ public class PreferenceController implements SharedPreferences.OnSharedPreferenc
                     return true;
                 }
         );
+        ui.findPreference(PreferenceController.STATISTICS).setOnPreferenceClickListener(
+                preference -> {
+                    activity.startActivity(new Intent(activity, StatisticsActivity.class));
+                    return true;
+                }
+        );
         ui.findPreference(PreferenceController.PREF_OPML_EXPORT).setOnPreferenceClickListener(
                 preference -> {
                     new OpmlExportWorker(activity).executeAsync();