Basic Android UI for host-offline-reason.

remoting/android/java/src/org/chromium/chromoting/HostListAdapter.java

Index: remoting/android/java/src/org/chromium/chromoting/HostListAdapter.java
diff --git a/remoting/android/java/src/org/chromium/chromoting/HostListAdapter.java b/remoting/android/java/src/org/chromium/chromoting/HostListAdapter.java
index c7d826e3d2aadd705a910a00a29391f1b5d1da22..437d2e00ec5f4a88c7dd6d762d7da3750ae7a1bb 100644
--- a/remoting/android/java/src/org/chromium/chromoting/HostListAdapter.java
+++ b/remoting/android/java/src/org/chromium/chromoting/HostListAdapter.java
@@ -4,12 +4,16 @@
 
 package org.chromium.chromoting;
 
+import android.content.res.Resources;
+import android.text.TextUtils;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.ArrayAdapter;
 import android.widget.TextView;
 import android.widget.Toast;
 
+import java.util.Locale;
+
 /** Describes the appearance and behavior of each host list entry. */
 class HostListAdapter extends ArrayAdapter<HostInfo> {
     private Chromoting mChromoting;
@@ -20,6 +24,20 @@ class HostListAdapter extends ArrayAdapter<HostInfo> {
         mChromoting = chromoting;
     }
 
+    private String getHostOfflineTooltip(String hostOfflineReason) {
+        if (TextUtils.isEmpty(hostOfflineReason)) {
+            return mChromoting.getString(R.string.host_offline_tooltip);
+        }
+        try {
+            String resourceName = "offline_reason_" + hostOfflineReason.toLowerCase(Locale.ENGLISH);
+            int resourceId = mChromoting.getResources().getIdentifier(
+                    resourceName, "string", mChromoting.getPackageName());
+            return mChromoting.getString(resourceId);
+        } catch (Resources.NotFoundException ignored) {
+            return mChromoting.getString(R.string.offline_reason_unknown, hostOfflineReason);
+        }
+    }
+
     /** Generates a View corresponding to this particular host. */
     @Override
     public View getView(int position, View convertView, ViewGroup parent) {
@@ -41,12 +59,12 @@ class HostListAdapter extends ArrayAdapter<HostInfo> {
         } else {
             target.setTextColor(mChromoting.getResources().getColor(R.color.host_offline_text));
             target.setBackgroundResource(R.drawable.list_item_disabled_selector);
+
+            final String tooltip = getHostOfflineTooltip(host.hostOfflineReason);
             target.setOnClickListener(new View.OnClickListener() {
                     @Override
                     public void onClick(View v) {
-                        Toast.makeText(mChromoting,
-                                mChromoting.getString(R.string.host_offline_tooltip),
-                                Toast.LENGTH_SHORT).show();
+                        Toast.makeText(mChromoting, tooltip, Toast.LENGTH_SHORT).show();
                     }
             });
         }