adb shell;
1|shell@m2c:/data $ run-as com.example.zhanglongxiang.sharedpreferencestest
shell@m2c:/data/data/com.example.zhanglongxiang.sharedpreferencestest $ ls
cache
lib
shared_prefs
shell@m2c:/data/data/com.example.zhanglongxiang.sharedpreferencestest $
ls
cache
lib
shared_prefs
shell@m2c:/data/data/com.example.zhanglongxiang.sharedpreferencestest $
cd shared_prefs
shell@m2c:/data/data/com.example.zhanglongxiang.sharedpreferencestest/shared_prefs $ ls
data.xml
shell@m2c:/data/data/com.example.zhanglongxiang.sharedpreferencestest/shared_prefs $ vi data.xml
sh: vi: not found
127|shell@m2c:/data/data/com.example.zhanglongxiang.sharedpreferencestest/shared_prefs $ vim data.xml
sh: vim: not found
127|shell@m2c:/data/data/com.example.zhanglongxiang.sharedpreferencestest/shared_prefs $ touch data.xml
shell@m2c:/data/data/com.example.zhanglongxiang.sharedpreferencestest/shared_prefs $ ls
data.xml
shell@m2c:/data/data/com.example.zhanglongxiang.sharedpreferencestest/shared_prefs $ cat data.xml
<?xml version='1.0' encoding='utf-8' standalone='yes' ?>
<map>
<string name="name">Tom</string>
<boolean name="married" value="false" />
<int name="age" value="28" />
</map>
shell@m2c:/data/data/com.example.zhanglongxiang.sharedpreferencestest/shared_prefs $