LocationAdapter.java 文件源码

@NonNull
private ResultCallback<Result> getLocationSettingsResultCallback() {
    return new ResultCallback<Result>() {
        @Override
        public void onResult(@NonNull Result result) {
            Status status = result.getStatus();
            if (status.getStatusCode() == CommonStatusCodes.SUCCESS) {
                Log.i(TAG, "All location settings are satisfied.");
                Runnable requestUpdatesTask = new OnPermissionsTask();
                if (isConnected()) requestUpdatesTask.run();
                else {
                    mOnConnectedUpdateCallback = requestUpdatesTask;
                    Log.d(TAG, "Google API is not connected. "
                            + "Updates delayed until Google API is connected again.");
                }
            } else if (status.getStatusCode() == CommonStatusCodes.RESOLUTION_REQUIRED) {
                Log.i(TAG, "Location settings are not satisfied. "
                        + "Showing the user a dialog to upgrade location settings.");
                try {
                    setRequestingPermissions(true);
                    // Show the dialog by calling startResolutionForResult(),
                    // and check the result in the onActivityResult() of mContext
                    status.startResolutionForResult(mContext, REQUEST_CHECK_SETTINGS);
                } catch (IntentSender.SendIntentException e) {
                    Log.wtf(TAG, "PendingIntent unable to execute request", e);
                }
            } else if (status.getStatusCode()
                    == LocationSettingsStatusCodes.SETTINGS_CHANGE_UNAVAILABLE) {
                if (checkNetwork()) {
                    Log.w(TAG, "Location settings can't be changed to meet the requirements");
                    setHasPermissions(false);
                    mOnPermissionsChangedListeners.run();
                    setRequestingPermissions(false);
                }
            }
        }
    };
}