InAppBrowser shouldPauseOnSuspend失效，YouTube后台播放致Google Play拒审求助

Hey there, let's tackle this frustrating issue that's getting your app rejected by Google Play—background YouTube playback when your app is suspended is a common gotcha with InAppBrowser, even when you think you've set up shouldPauseOnSuspend correctly. Let's break down actionable fixes:

1. Verify shouldPauseOnSuspend is Platform-Specific #

First, double-check where you've placed the preference in config.xml. The setting needs to be wrapped inside the Android platform block to take effect (global preferences might be ignored by the plugin):

<platform name="android">
    <preference name="shouldPauseOnSuspend" value="yes" />
    <!-- Add other Android-specific preferences here -->
</platform>

This ensures the plugin reads the setting specifically for Android builds.

2. Listen for Cordova's pause Event to Manually Stop Playback #

Sometimes the plugin's built-in preference doesn't play nice with YouTube's embedded player (especially if you're using iframe embeds). Take control by listening for Cordova's pause event and either closing the InAppBrowser or injecting JavaScript to pause the video directly:

Option A: Close the InAppBrowser (Most Reliable) #

If you don't need to preserve the user's position in the video, closing the browser entirely guarantees playback stops:

let inAppBrowserInstance;

// When opening your YouTube URL
inAppBrowserInstance = cordova.InAppBrowser.open(
    'https://your-youtube-url.com', 
    '_blank', 
    'location=yes'
);

// Listen for app suspension
document.addEventListener('pause', () => {
    if (inAppBrowserInstance) {
        inAppBrowserInstance.close();
    }
});

Option B: Inject JavaScript to Pause the Video #

If you want to keep the browser session alive but stop playback, inject code to target both native video elements and YouTube iframes:

let inAppBrowserInstance;

inAppBrowserInstance = cordova.InAppBrowser.open(
    'https://your-youtube-url.com', 
    '_blank', 
    'location=yes'
);

document.addEventListener('pause', () => {
    if (inAppBrowserInstance) {
        inAppBrowserInstance.executeScript({
            code: `
                // Pause native video elements
                const videos = document.querySelectorAll('video');
                videos.forEach(vid => vid.pause());
                
                // Pause YouTube iframe players (uses YouTube's postMessage API)
                const youtubeIframes = document.querySelectorAll('iframe[src*="youtube.com"]');
                youtubeIframes.forEach(iframe => {
                    iframe.contentWindow.postMessage(
                        '{"event":"command","func":"pauseVideo","args":""}', 
                        '*'
                    );
                });
            `
        });
    }
});

Note: For the iframe method to work reliably, ensure your YouTube embed includes the enablejsapi=1 parameter in the URL (e.g., https://www.youtube.com/embed/VIDEO_ID?enablejsapi=1).

3. Check InAppBrowser Open Parameters #

Make sure you haven't set mediaPlaybackRequiresUserAction=no in your open call. This parameter allows auto-playback, which can bypass suspension controls. Explicitly set it to yes to enforce user-initiated playback:

cordova.InAppBrowser.open(
    'https://your-youtube-url.com', 
    '_blank', 
    'location=yes,mediaPlaybackRequiresUserAction=yes'
);

4. Modify Native Android Code (Last Resort) #

If none of the above work, you can tweak the InAppBrowser's Android implementation to force media pause when the app suspends. Here's how:

1. Navigate to your project's platforms/android/app/src/main/java/org/apache/cordova/inappbrowser/InAppBrowser.java file.
2. Find the onPause() method and add these lines to pause the WebView's media:

@Override
public void onPause() {
    super.onPause();
    // Force WebView to pause media playback
    inAppWebView.onPause();
    inAppWebView.pauseTimers();
}

3. Rebuild your Android project. Keep in mind this change will be overwritten if you update or re-add the InAppBrowser plugin, so you might want to fork the plugin or use a hook to apply the change automatically.

Final Testing Tip #

Always test on a physical Android device—emulators sometimes don't accurately replicate background media behavior. After pressing the Home button, check your device's notification shade or volume panel to confirm no media is playing from your app.

内容的提问来源于stack exchange，提问作者user2472368