Update AndroidManifest.xml

Author: Zenlua

app/src/main/AndroidManifest.xml

@@ -17,7 +17,7 @@
                 android:name="android.support.FILE_PROVIDER_PATHS"
                 android:resource="@xml/file_paths"/>
         </provider>
-        <activity android:name=".MainActivity">
+        <activity android:name=".MainActivity" android:exported="true">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
                 <category android:name="android.intent.category.LAUNCHER" />