fix #3468: ask for installation of qr code reader

2 files changed, 6 insertions, 3 deletions

diff --git a/main/res/values/strings.xml b/main/res/values/strings.xml
index 4f16860..d05e52e 100644
--- a/main/res/values/strings.xml
+++ b/main/res/values/strings.xml
@@ -255,6 +255,7 @@
     <string name="menu_filter">Filter</string>
     <string name="menu_scan_geo">Scan geocode</string>
     <string name="menu_pocket_queries">Pocket queries</string>
+    <string name="menu_scan_description">c:geo can scan geocodes which are printed as QR code. The necessary app is not installed. Do you want to open Google Play to install it?</string>
     
     <!-- main screen -->
     <string name="live_map_button">Live map</string>
diff --git a/main/src/cgeo/geocaching/MainActivity.java b/main/src/cgeo/geocaching/MainActivity.java
index 4010888..af62430 100644
--- a/main/src/cgeo/geocaching/MainActivity.java
+++ b/main/src/cgeo/geocaching/MainActivity.java
@@ -19,7 +19,6 @@ import cgeo.geocaching.ui.dialog.Dialogs;
 import cgeo.geocaching.utils.DatabaseBackupUtils;
 import cgeo.geocaching.utils.GeoDirHandler;
 import cgeo.geocaching.utils.Log;
-import cgeo.geocaching.utils.ProcessUtils;
 import cgeo.geocaching.utils.RunnableWithArgument;
 import cgeo.geocaching.utils.Version;
 
@@ -72,7 +71,6 @@ public class MainActivity extends AbstractActivity {
     @InjectView(R.id.offline_count) protected TextView countBubble;
     @InjectView(R.id.info_area) protected LinearLayout infoArea;
 
-    private static final String SCAN_INTENT = "com.google.zxing.client.android.SCAN";
     public static final int SEARCH_REQUEST_CODE = 2;
 
     private int version = 0;
@@ -268,7 +266,6 @@ public class MainActivity extends AbstractActivity {
     @Override
     public boolean onPrepareOptionsMenu(final Menu menu) {
         super.onPrepareOptionsMenu(menu);
-        menu.findItem(R.id.menu_scan).setEnabled(ProcessUtils.isIntentAvailable(SCAN_INTENT));
         menu.findItem(R.id.menu_pocket_queries).setVisible(Settings.isPremiumMember());
         return true;
     }
@@ -312,6 +309,11 @@ public class MainActivity extends AbstractActivity {
 
     private void startScannerApplication() {
         IntentIntegrator integrator = new IntentIntegrator(this);
+        // integrator dialog is English only, therefore localize it
+        integrator.setButtonYesByID(android.R.string.yes);
+        integrator.setButtonNoByID(android.R.string.no);
+        integrator.setTitleByID(R.string.menu_scan_geo);
+        integrator.setMessageByID(R.string.menu_scan_description);
         integrator.initiateScan(IntentIntegrator.QR_CODE_TYPES);
     }