Show privacy policy dialog on first start

CHANGELOG.md

@@ -1,5 +1,11 @@
 # Changelog
 
+## Unreleased
+
+Changes:
+
+- Add privacy policy dialog on first start (required by Huawei)
+
 ## v1.10 (2021-03-07)
 
 Changes:

app/src/main/java/protect/card_locker/MainActivity.java

@@ -1,13 +1,16 @@
 package protect.card_locker;
 
+import android.app.AlertDialog;
 import android.app.SearchManager;
 import android.content.ClipData;
 import android.content.ClipboardManager;
 import android.content.Context;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.SharedPreferences;
 import android.content.res.Configuration;
 import android.database.Cursor;
+import android.net.Uri;
 import android.os.Bundle;
 import androidx.appcompat.app.AppCompatActivity;
 import androidx.appcompat.widget.SearchView;
@@ -92,6 +95,29 @@ public class MainActivity extends AppCompatActivity implements GestureDetector.O
         helpText.setOnTouchListener(gestureTouchListener);
         noMatchingCardsText.setOnTouchListener(gestureTouchListener);
         list.setOnTouchListener(gestureTouchListener);
+
+        // Show privacy policy on first run
+        SharedPreferences privacyPolicyShownPref = getApplicationContext().getSharedPreferences(
+                getString(R.string.sharedpreference_privacy_policy_shown),
+                Context.MODE_PRIVATE);
+
+        if (privacyPolicyShownPref.getInt(getString(R.string.sharedpreference_privacy_policy_shown), 0) == 0) {
+            SharedPreferences.Editor privacyPolicyShownPrefEditor = privacyPolicyShownPref.edit();
+            privacyPolicyShownPrefEditor.putInt(getString(R.string.sharedpreference_privacy_policy_shown), 1);
+            privacyPolicyShownPrefEditor.apply();
+
+            new AlertDialog.Builder(this)
+                    .setTitle(R.string.privacy_policy)
+                    .setMessage(R.string.privacy_policy_popup_text)
+                    .setPositiveButton(R.string.thank_you, null)
+                    .setNegativeButton(R.string.privacy_policy, new DialogInterface.OnClickListener() {
+                        public void onClick(DialogInterface dialog, int whichButton) {
+                            openPrivacyPolicy();
+                        }
+                    })
+                    .setIcon(android.R.drawable.ic_dialog_info)
+                    .show();
+        };
     }
 
     @Override
@@ -290,6 +316,14 @@ public class MainActivity extends AppCompatActivity implements GestureDetector.O
         groupsTabLayout.setVisibility(View.VISIBLE);
     }
 
+    private void openPrivacyPolicy() {
+        Intent browserIntent = new Intent(
+                Intent.ACTION_VIEW,
+                Uri.parse("https://thelastproject.github.io/Catima/privacy-policy")
+        );
+        startActivity(browserIntent);
+    }
+
     @Override
     public void onCreateContextMenu(ContextMenu menu, View v, ContextMenu.ContextMenuInfo menuInfo)
     {
@@ -402,6 +436,12 @@ public class MainActivity extends AppCompatActivity implements GestureDetector.O
             return true;
         }
 
+        if(id == R.id.action_privacy_policy)
+        {
+            openPrivacyPolicy();
+            return true;
+        }
+
         if(id == R.id.action_about)
         {
             Intent i = new Intent(getApplicationContext(), AboutActivity.class);

app/src/main/res/menu/main_menu.xml

@@ -22,6 +22,10 @@
         android:id="@+id/action_settings"
         android:title="@string/settings"
         app:showAsAction="never"/>
+    <item
+        android:id="@+id/action_privacy_policy"
+        android:title="@string/privacy_policy"
+        app:showAsAction="never"/>
     <item
         android:id="@+id/action_about"
         android:title="@string/about"

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

@@ -110,6 +110,7 @@
     <string name="settings_key_disable_lockscreen_while_viewing_card" translatable="false">pref_disable_lockscreen_while_viewing_card</string>
 
     <string name="sharedpreference_active_tab" translatable="false">sharedpreference_active_tab</string>
+    <string name="sharedpreference_privacy_policy_shown" translatable="false">sharedpreference_privacy_policy_shown</string>
 
     <string name="intent_import_card_from_url_share_text">I want to share a card with you</string>
     <string name="intent_import_card_from_url_host" translatable="false">thelastproject.github.io</string>
@@ -157,4 +158,8 @@
     <string name="parsingBalanceFailed"><xliff:g>%s</xliff:g> does not seem to be a valid balance.</string>
     <string name="chooseImportType">Import data from which app?</string>
     <string name="app_loyalty_card_keychain">Loyalty Card Keychain</string>
+
+    <string name="privacy_policy">Privacy Policy</string>
+    <string name="thank_you">Thank you</string>
+    <string name="privacy_policy_popup_text">Many app stores require apps to show their privacy policy on first start. Here is ours:\n\nWe collect NO DATA AT ALL and our app is Open Source so anyone can confirm this to be true.</string>
 </resources>

docs/privacy-policy.md

@@ -1,4 +1,4 @@
-# PRIVACY POLICY FOR LOYALTY CARD KEYCHAIN
+# PRIVACY POLICY FOR CATIMA
 
 This privacy policy governs your use of the software application Catima (“Application”) for mobile devices
 that was created by Sylvia van Os. The Application is designed to store and display barcodes.