WebDec 13, 2024 · 我使用 getLastKnownLocation (LocationManager.NETWORK_PROVIDER); 但始终返回null,我已在您的 AndroidManifest.xml 中设置了权限。. 并在设置->位置和安全性->通过网络定位中启用。. 我发现其他应用程序可以正确显示位置,因此我的代码可能有问题。. … WebJun 16, 2024 · getLastKnownLocation () will return null in general, if no app has requested a location fix from your desired provider recently. On the emulator, it seems to take it one step further: you do not get a location unless one has been delivered to the emulator since your app has called requestLocationUpdates ().
google maps - double android.location.Location.getLatitude()
WebAlso, getLastKnownLocation will return null if it doesn't have a location yet. Which it always will if nobody on the phone is using requestUpdates. Your code is taken from a class that was posted on a very old thread on here called GPSTracker. I've been trying to kill that code for months- it causes far more problems than it helps. WebAug 29, 2012 · getLastKnownLocation () return always null on device Ask Question Asked 10 years, 7 months ago Modified 10 years, 7 months ago Viewed 3k times 0 In the code below getLastKnownLocation () always returns null on a device, even when I am getting Provide = internet. It was working fine but know it's returning a null value. crystal impression trays
NullPointerException - Location & LocationManager - double
WebAug 2, 2024 · This code worked fine in Android API Level 29 (Android 9 / Pie) but when loaded into Android API Level 30 (Android 10) it no longer works. getLastKnownLocation() returns null every time for all providers. Even if I create a mock provider and set a location. http://duoduokou.com/android/36798140723725442908.html WebOct 22, 2009 · You can unregister the listener after first geofix. Note: It can take some time on device to get current location, and even on device this can return null. Yeah, doing a LocationListener then waiting till you have a fix you're happy with is pretty much your only option. As mentioned, you can immediately unregister it. dwi emas international school fee