89 lines
2.8 KiB
Objective-C
Executable File
89 lines
2.8 KiB
Objective-C
Executable File
/*
|
|
* Copyright 2016 Google Inc. All rights reserved.
|
|
*
|
|
*
|
|
* Licensed under the Apache License, Version 2.0 (the "License"); you may not use this
|
|
* file except in compliance with the License. You may obtain a copy of the License at
|
|
*
|
|
* http://www.apache.org/licenses/LICENSE-2.0
|
|
*
|
|
* Unless required by applicable law or agreed to in writing, software distributed under
|
|
* the License is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF
|
|
* ANY KIND, either express or implied. See the License for the specific language governing
|
|
* permissions and limitations under the License.
|
|
*/
|
|
|
|
#import "GoogleMapsDemos/Samples/FrameRateViewController.h"
|
|
|
|
#import <GoogleMaps/GoogleMaps.h>
|
|
|
|
@interface FrameRateViewController ()
|
|
|
|
@end
|
|
|
|
@implementation FrameRateViewController {
|
|
GMSMapView *_mapView;
|
|
UITextView *_statusTextView;
|
|
}
|
|
|
|
- (void)viewDidLoad {
|
|
[super viewDidLoad];
|
|
GMSCameraPosition *camera =
|
|
[GMSCameraPosition cameraWithLatitude:-33.868 longitude:151.2086 zoom:6];
|
|
_mapView = [GMSMapView mapWithFrame:CGRectZero camera:camera];
|
|
self.view = _mapView;
|
|
|
|
// Add a display for the current frame rate mode.
|
|
_statusTextView = [[UITextView alloc] init];
|
|
_statusTextView.frame = CGRectMake(0, 0, CGRectGetWidth(self.view.frame), 0);
|
|
_statusTextView.text = @"";
|
|
_statusTextView.textAlignment = NSTextAlignmentCenter;
|
|
_statusTextView.backgroundColor = [UIColor colorWithWhite:1.0 alpha:0.8f];
|
|
_statusTextView.autoresizingMask = UIViewAutoresizingFlexibleWidth;
|
|
_statusTextView.editable = NO;
|
|
[self.view addSubview:_statusTextView];
|
|
[_statusTextView sizeToFit];
|
|
|
|
// Add a button toggling through modes.
|
|
self.navigationItem.rightBarButtonItem =
|
|
[[UIBarButtonItem alloc] initWithBarButtonSystemItem:UIBarButtonSystemItemPlay
|
|
target:self
|
|
action:@selector(didTapNext)];
|
|
[self updateStatus];
|
|
}
|
|
|
|
- (void)didTapNext {
|
|
_mapView.preferredFrameRate = [self nextFrameRate];
|
|
[self updateStatus];
|
|
}
|
|
|
|
+ (NSString *)nameForFrameRate:(GMSFrameRate)frameRate {
|
|
switch (frameRate) {
|
|
case kGMSFrameRatePowerSave:
|
|
return @"PowerSave";
|
|
case kGMSFrameRateConservative:
|
|
return @"Conservative";
|
|
case kGMSFrameRateMaximum:
|
|
return @"Maximum";
|
|
}
|
|
}
|
|
|
|
- (GMSFrameRate)nextFrameRate {
|
|
switch (_mapView.preferredFrameRate) {
|
|
case kGMSFrameRatePowerSave:
|
|
return kGMSFrameRateConservative;
|
|
case kGMSFrameRateConservative:
|
|
return kGMSFrameRateMaximum;
|
|
case kGMSFrameRateMaximum:
|
|
return kGMSFrameRatePowerSave;
|
|
}
|
|
}
|
|
|
|
- (void)updateStatus {
|
|
_statusTextView.text =
|
|
[NSString stringWithFormat:@"Preferred frame rate: %@",
|
|
[self.class nameForFrameRate:_mapView.preferredFrameRate]];
|
|
}
|
|
|
|
@end
|