Android hint feeatures that no all developeres know, and probably they should.

2. Android developer
● Wordline
● Catmóbil SCP
● Catdroid
@lepetitbernat
http://es.linkedin.com/in/bernatp

3. Restricted profiles
-> JellyBean+
Crash reports
-> ApplicationErrorReport
-> Send Feedback (2 ways)
Hide intents
-> Data usage

4. Added in JellyBean
• Android 4.3
• API 18+
• Tablets

5. TYPE_BOOLEAN
TYPE_CHOICE
TYPE_MULTI_SELECT
BroadcastReceiver
IntentFilter
android.intent.action.
GET_RESTRICTION_ENTRIES

6. extends BroadCastReceiver {
onReceive(...)
PendingResult result = goAsync();
new Thread()
run()
// ADD
RESTRICTIONS
Create broadcast

7. new ArrayList<RestrictionEntry>();
new RestrictionEntry(KEY_BOOLEAN, true);
entry.setTitle("Dangerous enabled");
entry.setType(RestrictionEntry.TYPE_BOOLEAN);
add(entry);
Create restrictions

8. Bundle extras = new Bundle();
extras.putParcelableArrayList(
Intent.EXTRA_RESTRICTIONS_LIST, restrictions);
result.setResult(Activity.RESULT_OK, null, extras);
result.finish();
Final steps!

9. UserManager usrManager = (UserManager)
getSystemService(Context.USER_SERVICE);
Bundle restrictions =
usrManager.getApplicationRestrictions(getPackageName());
restrictions != null
restrictions.get(...);
Using restrictions

11. Intent customIntent = new Intent();
customIntent.setClass(context, SettingsActivity.class);
extras.putParcelable(
Intent.EXTRA_RESTRICTIONS_INTENT, customIntent);
result.setResult(Activity.RESULT_OK, null, extras);
result.finish();
Custom
restrictions

12. • d.android.com
o http://goo.gl/I0D3PU
• DevBytes
o https://www.youtube.com/watch?v=pdUcANNm72o

13. Added in
IceCream
• Android 4.0
• API 14+
• Leave user write messages

15. ApplicationErrorRepor
t
• TYPE_NONE
• TYPE_CRASH
• TYPE_ANR
• TYPE_BATTERY
• TYPE_RUNNING_SERVICE

16. Exception e;
...
report = new ApplicationErrorReport();
report.type = ApplicationErrorReport.TYPE_CRASH;
...
crash= new ApplicationErrorReport.CrashInfo();
report.crashInfo = crash;
...
arn = new ApplicationErrorReport.AnrInfo();
report.arnInfo = arn;
…
ApplicationErrorReport

17. Intent intent = new Intent(Intent.ACTION_VIEW);
intent.setClassName("com.google.android.feedback",
"com.google.android.feedback.FeedbackActivity");
intent.putExtra(Intent.EXTRA_BUG_REPORT, report)
startActivity(intent);
Intent

18. Intent.EXTRA_BUG_REPOR
T
Intent.ACTION_APP_ERRO
R

19. Trick
FeedbackException
● Custom message
● Custom class name
● Custom stacktrace
● User messages

20. • d.android.com
o http://goo.gl/QZnjZW
• Black feedback
o http://stackoverflow.com/a/20848542
• Google feedback
o http://stackoverflow.com/a/22156938

22. IntentFilter
android.intent.action.
MANAGE_NETWORK_USAGE
ApplicationErrorReport

23. ?

24. !https://github.com/alorma/Baug_Android_hide