adb shell
run-as com.example.flutter_test1
cd shared_prefs
ls
MeizuVenus:/data/user/0/com.example.flutter_test1/shared_prefs $ cat FlutterSharedPreferences.xml
<?xml version='1.0' encoding='utf-8' standalone='yes' ?>
<map>
<string name="flutter.input_mode_v1">text</string>
<boolean name="flutter.auto_play_v1" value="true" />
</map>