bind missing add icon in platform_view example #132028

TJRoger · 2023-08-07T07:20:38Z

In the examples/platform_view example, which demonstrates transitioning from a Flutter view to a general iOS UIView and back, as well as using channels to communicate between the two, the Flutter view renders correctly, but in the iOS UIView, the FAB equivalent button in the lower-right corner is rendered without the '+' icon. This is because no binding as declared for the add icon in the storyboard. This adds the missing binding.

Further, this eliminates the use of the deprecated UIButtonTypeRoundedRect, falling back to the default instead.

flutter-dashboard · 2023-08-07T07:20:40Z

It looks like this pull request may not have tests. Please make sure to add tests before merging. If you need an exemption to this rule, contact Hixie on the #hackers channel in Chat (don't just cc him here, he won't see it! He's on Discord!).

If you are not sure if you need tests, consider this rule of thumb: the purpose of a test is to make sure someone doesn't accidentally revert the fix. Ask yourself, is there anything in your PR that you feel it is important we not accidentally revert back to how it was before your fix?

Reviewers: Read the Tree Hygiene page and make sure this patch meets those guidelines before LGTMing.

cbracken · 2023-11-21T18:54:11Z

Thanks for the patch and apologies for the delays in getting to it. I've rebased to tip of tree and reduced the diffs to the minimum required to get the add button displaying correctly in the right colour.

I'd initially thought this might be a reasonable candidate for a test exemption on the basis that we don't have any tests for the native bits of the app and that the primary purpose of the app is really to demonstrate the interaction between Flutter and non-Flutter parts of the app, so adding a test for a cosmetic issue might reduce the signal-to-noise ratio of what we actually want to test... but thinking about it, we do have native XCTests for this, so I suspect it's possible to add one without too much difficulty.

The tests are here:
dev/integration_tests/ios_platform_view_tests/ios/PlatformViewUITests/PlatformViewUITests.m

Let me know if you run into difficulty adding the test code! Happy to answer any questions you may have.

cbracken

I've rebased and minimised the diff to just what's required. We'll want a test in order to ensure that no one re-breaks this without realising. Once that's landed, this looks good to me.

flutter-dashboard · 2023-11-21T19:49:35Z

It looks like this pull request may not have tests. Please make sure to add tests before merging. If you need an exemption to this rule, contact Hixie or stuartmorgan on the #hackers channel in Chat (don't just cc them here, they won't see it! Use Discord!).

If you are not sure if you need tests, consider this rule of thumb: the purpose of a test is to make sure someone doesn't accidentally revert the fix. Ask yourself, is there anything in your PR that you feel it is important we not accidentally revert back to how it was before your fix?

Reviewers: Read the Tree Hygiene page and make sure this patch meets those guidelines before LGTMing.

goderbauer · 2024-01-30T23:38:50Z

@TJRoger Do you still have plans to come back to this one and address the feedback given above about adding a test?

TJRoger · 2024-02-26T03:36:14Z

@TJRoger Do you still have plans to come back to this one and address the feedback given above about adding a test?

Sorry for late reply. I don't think it's necessary for adding test. I even don't know how to add such a test for icon binding.

cbracken · 2024-02-26T19:56:56Z

I even don't know how to add such a test for icon binding.

Bind the button to an outlet by adding something like this line in the storyboard:

--- i/examples/platform_view/ios/Runner/Base.lproj/Main.storyboard
+++ w/examples/platform_view/ios/Runner/Base.lproj/Main.storyboard
@@ -130,6 +130,7 @@
                     </view>
                     <connections>
                         <outlet property="incrementLabel" destination="qaB-rs-mWp" id="bFY-of-WoI"/>
+                        <outlet property="incrementButton" destination="6yL-sX-bUL" id="aQR-ap-BrT"/>
                     </connections>
                 </viewController>
                 <placeholder placeholderIdentifier="IBFirstResponder" id="7qW-nP-WZA" userLabel="First Responder" sceneMemberID="firstResponder"/>

and the outlet in the platformview header:

--- i/examples/platform_view/ios/Runner/PlatformViewController.h
+++ w/examples/platform_view/ios/Runner/PlatformViewController.h
@@ -9,6 +9,7 @@
 @end
 
 @interface PlatformViewController : UIViewController
+@property(weak, nonatomic) IBOutlet UIButton* incrementButton;
 @property(strong, nonatomic) id<PlatformViewControllerDelegate> delegate;
 @property int counter;
 @end

then in a test case check:

UIImage* image = [incrementButton imageForState:UIControlStateNormal];
XCTAssertNotNil(image);

I don't think it's necessary for adding test.

Without a test, there's no guarantee this won't regress back to how it was. Generally speaking, if it's worth fixing, it's worth having a test to ensure it stays fixed. We make occasional exceptions for this -- e.g. variable renames or minor refactoring that results in no change to the external behaviour of the code.

I've added a unit test to this patch that catches the issue; I'll send another patch that wires this into our CI.

cbracken

This reverts some changes that were unnecessary to fix the display of the "+" icon in the native iOS view.

Adds a test that verifies that an icon was loaded for the incrementButton.

auto-submit · 2024-02-27T19:16:05Z

auto label is removed for flutter/flutter/132028, due to This PR has not met approval requirements for merging. The PR author is not a member of flutter-hackers and needs 1 more review(s) in order to merge this PR.

Merge guidelines: A PR needs at least one approved review if the author is already part of flutter-hackers or two member reviews if the author is not a flutter-hacker before re-applying the autosubmit label. Reviewers: If you left a comment approving, please use the "approve" review action instead.

gspencergoog

examples/platform_view/ios/Runner/Base.lproj/Main.storyboard

This applies minor cosmetic cleanups noticed while landing fix/tests in another patch. Renames `incrementLabel` to `countLabel` and `setIncrementLabel` to `updateCountLabel`, since it's not setting it to a specific value but rather updating itself based on the current state of the `count` ivar. Related: flutter#132028

This applies minor cosmetic cleanups noticed while landing fix/tests in another patch. Renames `incrementLabel` to `countLabel` and `setIncrementLabel` to `updateCountLabel`, since it's not setting it to a specific value but rather updating itself based on the current state of the `count` ivar. No tests since this patch introduces no semantic changes. Related: #132028

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TJRoger and others added 4 commits February 26, 2024 14:33

bind missing add icon in platform_view example

002401f

Minimise the diff to essential changes

1d2bc9a

This reverts some changes that were unnecessary to fix the display of the "+" icon in the native iOS view.

A few more reverts

45875fb

Add XCTests

a8b044f

Adds a test that verifies that an icon was loaded for the incrementButton.

cbracken force-pushed the master branch from e483c06 to a8b044f Compare February 26, 2024 22:33

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[iOS] Fix naming in platform_view example #144247

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