With a custom code trace, you can measure how long it takes your app to complete a specific task or set of tasks, such as loading a set of images or querying your database. The default metric for a custom code trace is its duration, but you can also add custom metrics, such as cache hits and memory warnings. In your code, you define the beginning and the end of a custom code trace and add any desired custom metrics using the API provided by the Performance Monitoring SDK.
For Android apps, you can also monitor the duration of specific methods using AddTrace annotation. Visit Add monitoring for specific code to learn more about these features and how to add them to your app. After you've validated Performance Monitoring using one or more test devices, you can deploy the updated version of your app to your users.
You can monitor performance data in the Performance dashboard of the Firebase console.
Android features
The Performance Monitoring Gradle plugin v1. Replace the Performance Monitoring plugin dependency line in your root-level project-level Gradle file build. This value might not always be accurate.
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View, track, and filter your performance data in the Firebase console. Add monitoring for specific tasks or workflows in your app by instrumenting custom code traces. Use attributes to filter performance data. Except as otherwise noted, the content of this page is licensed under the Creative Commons Attribution 4. For details, see the Google Developers Site Policies. Products Build. Emulator Suite. Track GPS.
Time Limits Easily set daily time limits for your children to avoid excessive usage.
Schedules Set blocked periods such as sleep time and homework time to avoid distractions when your children need to focus on something important. Set blocked periods each dayt.
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Instant Pause Parents love this one! Pause device on-demand. Free Play We recognise that sometimes you need your children to be distracted, Free Play lets you override settings temporarily.
Override settings temporarily. Approve Apps Keeping up with the latest apps is a challenge for any parent. Approve or reject any app. App Usage See which apps your child uses most. Track daily app activity.
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Keep an eye on web surfing. Android Only Block inappropriate sites. Location Tracking See where your child is at the push of a button. Geo-Trips Make sure you know the route your child takes to get to school … or anywhere else.
Programming Mobile Applications for Android Handheld Systems: Part 1
Geo-Fencing Get an alert when your child arrives or leaves a specific location. Get alerts for location changes. Schmo at And finally, if your phone is running Android 9 or higher, an option called lockdown mode is well worth your while to activate. Once enabled, it gives you a fast way to lock your phone down from all biometric and Smart Lock security options — meaning only a pattern, PIN, or password could get a person past your lock screen and into your device. The idea is that if you were ever in a situation where you thought you might be forced to unlock your phone with your fingerprint or face — be it by some sort of law enforcement agent or just by a regular ol' hooligan — you could activate the lockdown mode and know your data couldn't be accessed without your explicit permission.
Even notifications won't show up on your lock screen when the mode is activated, and that heightened level of protection will remain in place until you manually unlock your phone even if the device is restarted. There's just one catch: On some devices, it's up to you to enable the option ahead of time in order for it to be available. But doing so takes only a couple of seconds: In that same "Lock screen display" section of your system settings, simply activate the toggle next to "Show lockdown option" — and that's it. If the need ever arises, just remember this: While on your lock screen, press and hold your phone's power button for a second or two.
There, along with the regular options for restarting and shutting down your device, you'll see the newly present "Lockdown" option. Hopefully, you'll never need it — but now you're ready in case you do. And with that, guess what? You're more than halfway done with this annual checkup. Not too painful so far, right? Only six more steps to go Here are the latest Insider stories. More Insider Sign Out. Sign In Register. Sign Out Sign In Register. Latest Insider. Check out the latest Insider stories here. More from the IDG Network.
Part I: App intelligence Step 1: Look over all the apps and services connected to your account You've probably granted countless apps access to parts of your Google account over time — which is no big deal in general, but with any apps you're no longer using, it's a smart idea to close the connections.
JR Step 2: Revisit your Android app permissions It's all too easy to grant an app access to some sort of information without giving it much thought during that initial setup process hi, Facebook! Android Security. Currently reading. Android security checkup: 16 steps to a safer phone.
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