Manage exceptions for when activities don't exist to handle intents

Fixes #181

android/android-base/src/main/java/org/isoron/androidbase/activities/BaseActivity.kt

@@ -93,4 +93,12 @@ abstract class BaseActivity : AppCompatActivity() {
         super.onResume()
         screen?.reattachDialogs()
     }
+
+    override fun startActivity(intent: Intent?) {
+        try {
+            super.startActivity(intent)
+        } catch(e: ActivityNotFoundException) {
+            this.screen?.showMessage(R.string.activity_not_found)
+        }
+    }
 }

android/android-base/src/main/res/values/strings.xml

@@ -0,0 +1,23 @@
+<?xml version="1.0" encoding="utf-8"?>
+<!--
+  ~ Copyright (C) 2016-2020 Álinson Santos Xavier <isoron@gmail.com>
+  ~
+  ~ This file is part of Loop Habit Tracker.
+  ~
+  ~ Loop Habit Tracker is free software: you can redistribute it and/or modify
+  ~ it under the terms of the GNU General Public License as published by the
+  ~ Free Software Foundation, either version 3 of the License, or (at your
+  ~ option) any later version.
+  ~
+  ~ Loop Habit Tracker is distributed in the hope that it will be useful, but
+  ~ WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY
+  ~ or FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
+  ~ more details.
+  ~
+  ~ You should have received a copy of the GNU General Public License along
+  ~ with this program. If not, see <http://www.gnu.org/licenses/>.
+  -->
+
+<resources>
+    <string name="activity_not_found">No app was found to support this action</string>
+</resources>