I2PTunnel: Ask to install app for tunnel, if none are installed when opening

CHANGELOG

 0.9.17.1
  * Fixed crashes in addressbook and netDb status page
+ * Fixed crash when opening an IRC client tunnel
  * Updated translations
 
 0.9.17 / 2014-12-01 / bcf947f433876f643e0f6dff81aac88848b797d3

app/src/main/java/net/i2p/android/i2ptunnel/TunnelEntry.java

@@ -4,6 +4,7 @@ import java.util.List;
 
 import android.content.Context;
 import android.graphics.drawable.Drawable;
+import android.net.Uri;
 import android.widget.Toast;
 import net.i2p.android.i2ptunnel.util.TunnelConfig;
 import net.i2p.android.i2ptunnel.util.TunnelUtil;
@@ -233,6 +234,17 @@ public class TunnelEntry {
         else return getServerLink(linkify);
     }
 
+    public Uri getRecommendedAppForTunnel() {
+        int resId = 0;
+        if ("ircclient".equals(mController.getType()))
+            resId = R.string.market_irc;
+
+        if (resId > 0)
+            return Uri.parse(mContext.getString(resId));
+        else
+            return null;
+    }
+
     public String getDetails() {
         String details;
         if (isClient())

app/src/main/java/net/i2p/android/i2ptunnel/TunnelEntryAdapter.java

 package net.i2p.android.i2ptunnel;
 
+import android.app.AlertDialog;
+import android.content.ActivityNotFoundException;
 import android.content.Context;
+import android.content.DialogInterface;
 import android.content.Intent;
 import android.net.Uri;
 import android.os.Build;
@@ -61,7 +64,27 @@ public class TunnelEntryAdapter extends ArrayAdapter<TunnelEntry> {
                 public void onClick(View view) {
                     Intent i = new Intent(Intent.ACTION_VIEW);
                     i.setData(Uri.parse(tunnel.getTunnelLink(true)));
-                    getContext().startActivity(i);
+                    try {
+                        getContext().startActivity(i);
+                    } catch (ActivityNotFoundException e) {
+                        AlertDialog.Builder builder = new AlertDialog.Builder(getContext());
+                        builder.setTitle(R.string.install_recommended_app)
+                                .setMessage(R.string.app_needed_for_this_tunnel_type)
+                                .setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() {
+                                    public void onClick(DialogInterface dialogInterface, int i) {
+                                        Uri uri = tunnel.getRecommendedAppForTunnel();
+                                        if (uri != null) {
+                                            Intent intent = new Intent(Intent.ACTION_VIEW, uri);
+                                            getContext().startActivity(intent);
+                                        }
+                                    }
+                                })
+                                .setNegativeButton(net.i2p.android.lib.client.R.string.no, new DialogInterface.OnClickListener() {
+                                    public void onClick(DialogInterface dialogInterface, int i) {
+                                    }
+                                });
+                        builder.show();
+                    }
                 }
             });
         }

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

@@ -167,6 +167,10 @@
     <string name="i2ptunnel_type_streamrserver">Streamr server</string>
     <string name="i2ptunnel_type_httpbidirserver">HTTP bidir</string>
 
+    <string name="market_irc" translatable="false">market://search?q=pname:com.androirc</string>
+    <string name="install_recommended_app">Install recommended app?</string>
+    <string name="app_needed_for_this_tunnel_type">You need to install an app to use this tunnel. Would you like to install the recommended app?</string>
+
     <string name="i2ptunnel_not_initialized">Tunnels are not initialized yet, please reload in two minutes.</string>
     <string name="i2ptunnel_new_tunnel">New Tunnel</string>
     <string name="i2ptunnel_msg_config_saved">Configuration changes saved</string>