The following snippet removes geofences by PendingIntent , stopping all further notification when the device enters or exits previously added geofences:. You can combine geofencing with other location-aware features, such as periodic location updates. For more information, see the other lessons in this class. You can use the following techniques to optimize power consumption in your apps that use geofencing:.
Set the notification responsiveness to a higher value. Doing so improves power consumption by increasing the latency of geofence alerts. For example, if you set a responsiveness value of five minutes your app only checks for an entrance or exit alert once every five minutes. Setting lower values doesn't necessarily mean that users are notified within that time period for example, if you set a value of 5 seconds it may take a bit longer than that to receive the alert.
Use a larger geofence radius for locations where a user spends a significant amount of time, such as home or work. While a larger radius doesn't directly reduce power consumption, it reduces the frequency at which the app checks for entrance or exit, effectively lowering overall power consumption. For best results, the minimum radius of the geofence should be set between - meters. When Wi-Fi is available location accuracy is usually between 20 - 50 meters. When indoor location is available, the accuracy range can be as small as 5 meters.
Unless you know indoor location is available inside the geofence, assume that Wi-Fi location accuracy is about 50 meters. When Wi-Fi location isn't available for example, when you are driving in rural areas the location accuracy degrades. The accuracy range can be as large as several hundred meters to several kilometers. In cases like this, you should create geofences using a larger radius.
Because your app accesses location in the background when you use geofencing, consider how your app delivers benefits to users. Explain to them clearly why your app needs this access to increase user understanding and transparency. For more information about best practices related to location access, including geofencing, see the privacy best practices page.
How to detect GPS tracking on your cell phone
This way, the dwelling alert is sent only when the user stops inside a geofence for a given period of time. You can choose the duration by setting a loitering delay. Registered geofences are kept in the com. The app must re-register geofences if they're still needed after the following events, since the system cannot recover the geofences in the following cases:. Wi-Fi is turned off on the device. Having Wi-Fi on can significantly improve the location accuracy, so if Wi-Fi is turned off, your application might never get geofence alerts depending on several settings including the radius of the geofence, the device model, or the Android version.
Starting from Android 4. Use SettingsClient to ensure that the device's system settings are properly configured for optimal location detection. Instead, use a settings panel. Content and code samples on this page are subject to the licenses described in the Content License. App Basics. Build your first app.
App resources. Resource types.
- 1. Tweak your phone’s location settings.
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App manifest file. Device compatibility.
Development resources
Multiple APK support. Tablets, Large screens, and Foldables. Adding wearable features to notifications. Creating wearable apps. Creating custom UIs. Sending and syncing data. Creating data providers. Creating watch faces. Android TV. Build TV Apps. Build TV playback apps. Help users find content on TV. Recommend TV content. Watch Next. Build TV input services. TV Accessibility. Android for Cars. Build media apps for cars. Android Things. Supported hardware.
How to detect GPS tracking on your cell phone | Certo
Advanced setup. Build apps. Create a Things app. Communicate with wireless devices.
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Configure devices. Interact with peripherals. Build user-space drivers. Manage devices.
PSA: Your Phone Logs Everywhere You Go. Here's How to Turn It Off
Create a build. Push an update. Chrome OS devices. Core topics. Handling app links. App shortcuts. App widgets. App compatibility. Architecture Components. View Binding. Tap or click here for more details on what Google knows about you. This fun fact is important. To prevent location markers from being saved, you have to pause your Web and App Activity toggle, too.
When this feature is paused, none of your activity from your Google services will be saved on your account.
Many of you are familiar with private web browsers.