Setup compose intent.

Change-Id: I2eb09bee0d56efa91c31d809013edab6b30468bc
diff --git a/AndroidManifest.xml b/AndroidManifest.xml
index ece7aeb..86115a1 100644
--- a/AndroidManifest.xml
+++ b/AndroidManifest.xml
@@ -41,7 +41,34 @@
                 <category android:name="android.intent.category.LAUNCHER" />
             </intent-filter>
         </activity>
-        <activity android:name=".compose.ComposeActivity" />
+        <activity android:name=".compose.ComposeActivity">
+            <intent-filter>
+                <action android:name="android.intent.action.VIEW" />
+                <action android:name="android.intent.action.SENDTO" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <category android:name="android.intent.category.BROWSABLE" />
+                <data android:scheme="mailto" />
+            </intent-filter>
+
+            <intent-filter>
+                <action android:name="android.nfc.action.NDEF_DISCOVERED" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:scheme="mailto" />
+           </intent-filter>
+
+            <intent-filter android:label="@string/compose">
+                <action android:name="android.intent.action.SEND" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="*/*" />
+            </intent-filter>
+
+            <intent-filter android:label="@string/compose">
+                <action android:name="android.intent.action.SEND_MULTIPLE" />
+                <category android:name="android.intent.category.DEFAULT" />
+                <data android:mimeType="*/*" />
+            </intent-filter>
+        </activity>
+        <!-- TODO: add a permission on this -->
         <activity
            android:name=".ui.MailActivity"
            android:uiOptions="splitActionBarWhenNarrow">