Added in-app review (#4489)

1 files changed, 113 insertions, 0 deletions

diff --git a/app/src/free/java/de/danoeh/antennapod/dialog/RatingDialog.java b/app/src/free/java/de/danoeh/antennapod/dialog/RatingDialog.java
new file mode 100644
index 000000000..255da6eaf
--- /dev/null
+++ b/app/src/free/java/de/danoeh/antennapod/dialog/RatingDialog.java
@@ -0,0 +1,113 @@
+package de.danoeh.antennapod.dialog;
+
+import android.app.Dialog;
+import android.content.Context;
+import android.content.SharedPreferences;
+import androidx.annotation.Nullable;
+import androidx.annotation.VisibleForTesting;
+import android.util.Log;
+
+import java.lang.ref.WeakReference;
+import java.util.concurrent.TimeUnit;
+
+import androidx.appcompat.app.AlertDialog;
+import de.danoeh.antennapod.R;
+import de.danoeh.antennapod.core.util.IntentUtils;
+
+public class RatingDialog {
+
+    private RatingDialog(){}
+
+    private static final String TAG = RatingDialog.class.getSimpleName();
+    private static final int AFTER_DAYS = 7;
+
+    private static WeakReference<Context> mContext;
+    private static SharedPreferences mPreferences;
+    private static Dialog mDialog;
+
+    private static final String PREFS_NAME = "RatingPrefs";
+    private static final String KEY_RATED = "KEY_WAS_RATED";
+    private static final String KEY_FIRST_START_DATE = "KEY_FIRST_HIT_DATE";
+
+    public static void init(Context context) {
+        mContext = new WeakReference<>(context);
+        mPreferences = context.getSharedPreferences(PREFS_NAME, Context.MODE_PRIVATE);
+
+        long firstDate = mPreferences.getLong(KEY_FIRST_START_DATE, 0);
+        if (firstDate == 0) {
+            resetStartDate();
+        }
+    }
+
+    public static void check() {
+        if (mDialog != null && mDialog.isShowing()) {
+            return;
+        }
+        if (shouldShow()) {
+            try {
+                mDialog = createDialog();
+                if (mDialog != null) {
+                    mDialog.show();
+                }
+            } catch (Exception e) {
+                Log.e(TAG, Log.getStackTraceString(e));
+            }
+        }
+    }
+
+    private static void rateNow() {
+        Context context = mContext.get();
+        if (context == null) {
+            return;
+        }
+        IntentUtils.openInBrowser(context, "https://play.google.com/store/apps/details?id=de.danoeh.antennapod");
+        saveRated();
+    }
+
+    private static boolean rated() {
+        return mPreferences.getBoolean(KEY_RATED, false);
+    }
+
+    @VisibleForTesting
+    public static void saveRated() {
+        mPreferences
+                .edit()
+                .putBoolean(KEY_RATED, true)
+                .apply();
+    }
+
+    private static void resetStartDate() {
+        mPreferences
+                .edit()
+                .putLong(KEY_FIRST_START_DATE, System.currentTimeMillis())
+                .apply();
+    }
+
+    private static boolean shouldShow() {
+        if (rated()) {
+            return false;
+        }
+
+        long now = System.currentTimeMillis();
+        long firstDate = mPreferences.getLong(KEY_FIRST_START_DATE, now);
+        long diff = now - firstDate;
+        long diffDays = TimeUnit.DAYS.convert(diff, TimeUnit.MILLISECONDS);
+        return diffDays >= AFTER_DAYS;
+    }
+
+    @Nullable
+    private static AlertDialog createDialog() {
+        Context context = mContext.get();
+        if (context == null) {
+            return null;
+        }
+        return new AlertDialog.Builder(context)
+                .setTitle(R.string.rating_title)
+                .setMessage(R.string.rating_message)
+                .setPositiveButton(R.string.rating_now_label, (dialog, which) -> rateNow())
+                .setNegativeButton(R.string.rating_never_label, (dialog, which) -> saveRated())
+                .setNeutralButton(R.string.rating_later_label, (dialog, which) -> resetStartDate())
+                .setOnCancelListener(dialog1 -> resetStartDate())
+                .create();
+    }
+}
\ No newline at end of file