启用/禁用gps编程android不工作

Question

我正在尝试启用/禁用GPS。我试过这个代码-:

 //Enable GPS
Intent intent = new Intent("android.location.GPS_ENABLED_CHANGE");
intent.putExtra("enabled", true);
context.sendBroadcast(intent);
//Disable GPS
Intent intent = new Intent("android.location.GPS_ENABLED_CHANGE");
intent.putExtra("enabled", false);
context.sendBroadcast(intent);

给出安全权限Error。我也试过打开settings-:

Intent in = new Intent(android.provider.Settings.ACTION_LOCATION_SOURCE_SETTINGS);   
startActivity(in);

它并不适用于所有设备。

Answer 1

这是deprecated。你不能以编程方式打开/关闭定位。我建议你最好使用最新版本的GooglePlayService。使用PlayService，您可以随时检查location是否启用。如果未启用，则AlertDialog启用它。甚至不用离开你的应用程序，你就可以启用GPS。如果未启用，则可以执行任何想要执行的操作。你可以从这篇文章中找到更多的细节

基本上你的Activity应该执行ResultCallback<LocationSettingsResult>

并像下面那样注册PendingIntent，

PendingResult<LocationSettingsResult> result =
            LocationServices.SettingsApi.checkLocationSettings(
                    mGoogleApiClient,
                    mLocationSettingsRequest
            );
    result.setResultCallback(this);

现在你有一个onResult回调，你可以执行你想做的事情

@Override
public void onResult(LocationSettingsResult locationSettingsResult) {
    final Status status = locationSettingsResult.getStatus();
    switch (status.getStatusCode()) {
        case LocationSettingsStatusCodes.SUCCESS:
            Log.i(TAG, "All location settings are satisfied.");
            startLocationUpdates();
            break;
        case LocationSettingsStatusCodes.RESOLUTION_REQUIRED:
            Log.i(TAG, "Location settings are not satisfied. Show the user a dialog to" +
                    "upgrade location settings ");
            try {
                // Show the dialog by calling startResolutionForResult(), and check the result
                // in onActivityResult().
                status.startResolutionForResult(MainActivity.this, REQUEST_CHECK_SETTINGS);
            } catch (IntentSender.SendIntentException e) {
                Log.i(TAG, "PendingIntent unable to execute request.");
            }
            break;
        case LocationSettingsStatusCodes.SETTINGS_CHANGE_UNAVAILABLE:
            Log.i(TAG, "Location settings are inadequate, and cannot be fixed here. Dialog " +
                    "not created.");
            break;
    }
}
// This code is from https://github.com/googlesamples/android-play-location/blob/master/LocationSettings/app/src/main/java/com/google/android/gms/location/sample/locationsettings/MainActivity.java

请在Github中找到示例google项目