Add ExceptionHandler and ShowErrorActivity

src/main/res/drawable/ic_bug_report_24dp.xml

@@ -0,0 +1,6 @@
+<vector android:height="24dp"
+    android:tint="?attr/colorControlNormal"
+    android:viewportHeight="48" android:viewportWidth="48"
+    android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
+    <path android:fillColor="#FF000000" android:pathData="M24,42C19.871,42.036 15.525,39.899 13.8,36L8,36v-3h4.6c-0.498,-1.726 -0.314,-3.53 -0.35,-5.3h-4.3v-3h4.3c-0.169,-1.827 0.064,-4.169 0.293,-5.667L8,19v-3h6c0.913,-1.868 2.567,-3.276 4.4,-4.2L14.55,8l2,-2 4.7,4.7c2.672,-0.682 3.902,-0.511 5.855,-0.205L31.6,6l2,2 -3.8,3.8c1.847,0.901 3.312,2.447 4.35,4.2h5.9v3L35.3,19c0.482,0.673 0.569,4.047 0.689,5.7L40.05,24.7v3L35.7,27.7c0.127,2.006 -0.004,4.014 -0.242,5.3h4.592v3h-5.8c-1.661,4.014 -6.109,6.018 -10.25,6zM24,39c4.625,0.162 8.864,-4.009 8.7,-8.65 -0.034,-3.149 0.073,-6.304 -0.062,-9.449 -0.439,-4.459 -4.853,-8.007 -9.304,-7.529 -4.488,0.196 -8.327,4.419 -8.034,8.917 0.034,3.053 -0.072,6.111 0.062,9.159C15.79,35.668 19.764,39.128 24,39ZM20,32h8v-3h-8zM20,23.35h8v-3h-8zM24,26.2c0.015,0 0.026,0 0,0z"/>
+</vector>

src/main/res/layout/activity_show_error.xml

@@ -0,0 +1,26 @@
+<androidx.coordinatorlayout.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    android:layout_width="match_parent"
+    android:layout_height="match_parent">
+
+    <ScrollView
+        android:id="@+id/error_page_container"
+        android:layout_width="match_parent"
+        android:layout_height="match_parent"
+        app:layout_behavior="@string/appbar_scrolling_view_behavior">
+
+        <TextView
+            android:id="@+id/text_view_error"
+            android:layout_width="match_parent"
+            android:layout_height="wrap_content"
+            android:paddingLeft="16dp"
+            android:paddingRight="16dp"
+            android:paddingTop="16dp"
+            android:paddingBottom="72dp"
+            android:textIsSelectable="true" />
+
+    </ScrollView>
+
+    <include android:id="@+id/bottom_app_bar_layout" layout="@layout/bottomappbar" />
+
+</androidx.coordinatorlayout.widget.CoordinatorLayout>

src/main/res/menu/show_error.xml

@@ -0,0 +1,21 @@
+<?xml version="1.0" encoding="utf-8"?>
+<menu xmlns:android="http://schemas.android.com/apk/res/android"
+    xmlns:app="http://schemas.android.com/apk/res-auto"
+    xmlns:tools="http://schemas.android.com/tools"
+    tools:ignore="AppCompatResource">
+
+    <item
+        android:id="@+id/error_share"
+        android:icon="@drawable/ic_share_24dp"
+        android:showAsAction="ifRoom"
+        android:title="@string/share_crash_report"
+        app:showAsAction="ifRoom" />
+
+    <item
+        android:id="@+id/error_report"
+        android:icon="@drawable/ic_bug_report_24dp"
+        android:showAsAction="ifRoom"
+        android:title="@string/report_bug"
+        app:showAsAction="ifRoom" />
+
+</menu>

src/main/res/values/do_not_translate.xml

@@ -44,6 +44,7 @@ limitations under the License.
     <string name="sensor_unit_power" translatable="false">w</string>
 
     <string name="value_unknown" translatable="false">-</string>
+    <string name="report_issue_link" translatable="false">https://github.com/OpenTracksApp/OpenTracks/issues/new?labels=bug&amp;body=%1$s</string>
 
     <string-array name="marker_types">
         <item>@string/waypoint_type_atm</item>

src/main/res/values/strings.xml

@@ -666,4 +666,7 @@ limitations under the License.
     <string name="field_set_secondary">Secondary</string>
     <string name="field_remove_from_layout">Remove</string>
     <string name="no_compatible_file_manager_installed">No compatible file manager installed</string>
+    <string name="error_crash_title">%1$s crashed</string>
+    <string name="share_crash_report">Share crash report</string>
+    <string name="report_bug">Report bug</string>
 </resources>