在获取当前位置信息流时,我正在使用SettingsClient检查基于当前LocationRequest是否满足位置设置。 目前,我的优先级设置为HIGH_ACCURACY,这需要不惜一切代价启用GPS。
fusedLocationProviderClient = LocationServices.getFusedLocationProviderClient(this);
settingsClient = LocationServices.getSettingsClient(this);
locationRequest = LocationRequest.create()
.setPriority(LocationRequest.PRIORITY_HIGH_ACCURACY)
.setInterval(500)
.setFastestInterval(500);
LocationSettingsRequest.Builder builder = new LocationSettingsRequest.Builder();
builder.addLocationRequest(locationRequest);
locationSettingsRequest = builder.build();
现在,当我调用SettingsClient.checkLocationSettings()为其提供侦听器时,
settingsClient.checkLocationSettings(locationSettingsRequest)
.addOnCompleteListener(this)
.addOnFailureListener(this);
它属于onFailure(),在这种情况下,google official samples on github采用以下方法;
检查onFailure()中收到的异常的状态码(如果它是LocationSettingsStatusCodes.RESOLUTION_REQUIRED, 然后调用startResolutionForResult(),它使我们能够启用GPS,这会等待使用onActivityResult的结果。
@Override
public void onFailure(@NonNull Exception e) {
int statusCode = ((ApiException) e).getStatusCode();
switch (statusCode) {
case LocationSettingsStatusCodes.RESOLUTION_REQUIRED:
try {
// Show the dialog by calling startResolutionForResult(), and check the
// result in onActivityResult().
ResolvableApiException rae = (ResolvableApiException) e;
rae.startResolutionForResult(LocationActivity.this, REQUEST_CHECK_SETTINGS);
} catch (IntentSender.SendIntentException sie) {
showLocationError();
}
break;
case LocationSettingsStatusCodes.SETTINGS_CHANGE_UNAVAILABLE:
showError();
break;
}
}
问题是,每当调用设置客户端的onFailure并调用startResolution时,它始终属于Activity.RESULT_CANCELED情况。但这很奇怪,尽管这已取消,但GPS却在几秒钟内打开。
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
switch (requestCode) {
// Check for the integer request code originally supplied to startResolutionForResult().
case REQUEST_CHECK_SETTINGS:
switch (resultCode) {
case Activity.RESULT_OK:
// fetch location here
break;
case Activity.RESULT_CANCELED:
// this is called immediately first time
// and second time even when GPS is on
break;
}
break;
}
}
当我执行相同的操作(获取当前位置)时GPS开启后,SettingsClient仍会调用onFailure,尽管GPS开启,结果始终为Activity.RESULT_CANCELED。
问题正在Redmi 4X和Motorola Droid Turbo上再现
使用SettingsClient和这种方法并遇到任何类似问题的其他人吗?
答案 0 :(得分:1)
我发现,在将PRIORITY_HIGH_ACCURACY添加到请求中时,由于位置模式已设置为“省电”,因此发生了这种情况,因此即使肯定回答为打开位置服务(实际上已打开),该模式仍然省电模式无法处理PRIORITY_HIGH_ACCURACY请求,因此您将获得RESULT_CANCELED,表明您的请求未得到满足。我不知道要求同时打开两个定位服务并将模式更改为“高精度”的方法,所以我只是取消了优先级,因为它对我的用例而言并不那么重要。
答案 1 :(得分:-1)
添加此行 bulider.setAlwaysShow(true);