Android API level 31

[dbrgn]

commit e19d47f490d3eeac6d6dfa0d069b764818ba2792
Author: Danilo Bargen <mail@dbrgn.ch>
Date:   Sat Oct 16 21:24:56 2021 +0200

    Change target SDK to 31

diff --git a/.circleci/config.yml b/.circleci/config.yml
index 002a1ca..120e8ef 100644
--- a/.circleci/config.yml
+++ b/.circleci/config.yml
@@ -3,7 +3,7 @@ jobs:
   build:
     working_directory: ~/code
     docker:
-      - image: circleci/android:api-29
+      - image: circleci/android:api-31
     environment:
       JVM_OPTS: -Xmx3200m
     steps:
diff --git a/app/build.gradle b/app/build.gradle
index 000a0b4..69d3108 100644
--- a/app/build.gradle
+++ b/app/build.gradle
@@ -14,14 +14,13 @@ def getLocalProperties() {
 final Properties properties = getLocalProperties()

 android {
-    compileSdkVersion 29
-    buildToolsVersion '29.0.3'
+    compileSdkVersion 31

     defaultConfig {
         applicationId "ch.coredump.watertemp"
         applicationIdSuffix ".zh"
         minSdkVersion 21
-        targetSdkVersion 29
+        targetSdkVersion 31
         versionCode 10
         versionName "0.6.0"

diff --git a/app/src/main/AndroidManifest.xml b/app/src/main/AndroidManifest.xml
index 9f3bd08..ad19fc6 100644
--- a/app/src/main/AndroidManifest.xml
+++ b/app/src/main/AndroidManifest.xml
@@ -21,7 +21,8 @@
             android:name=".activities.MapActivity"
             android:label="@string/app_name"
             android:icon="@mipmap/app_icon"
-            android:configChanges="orientation|screenSize">
+            android:configChanges="orientation|screenSize"
+            android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />

Blocked by #38.