Added statistics function

Fixes #1743

1 files changed, 107 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();
+    }
+}