51 lines
1.7 KiB
Markdown
51 lines
1.7 KiB
Markdown
# React Native WebView Debugging Guide
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Here are some helpful React Native WebView debugging tips.
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## Debugging WebView Contents
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### iOS & Safari
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It's possible to debug WebView contents in the iOS simulator or on a device using Safari Developer Toolkit.
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#### Steps:
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1. Open Safari Preferences -> "Advanced" tab -> enable checkbox "Show Develop menu in menu bar"
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2. Start app with React Native WebView in iOS simulator or iOS device
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3. Safari -> Develop -> [device name] -> [app name] -> [url - title]
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4. You can now debug the WebView contents just as you would on the web
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##### Note:
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When debugging on device you must enable Web Inspector in your device settings:
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Settings -> Safari -> Advanced -> Web Inspector
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### Android & Chrome
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It's possible to debug WebView contents in the Android emulator or on a device using Chrome DevTools.
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1. You will need to make the following change to `MainApplication.java` to enabled web contents debugging:
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```java
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import android.webkit.WebView;
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@Override
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public void onCreate() {
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super.onCreate();
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...
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WebView.setWebContentsDebuggingEnabled(true);
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}
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```
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2. Start app with React Native WebView in Android emulator or Android device
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3. Chrome -> DevTools -> Menu (3 dots) -> More tools -> Remote devices
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4. Select your device on the left and select "Inspect" on the WebView contents you'd like to inspect
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5. You can now debug the WebView contents just as you would on the web
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![image](https://user-images.githubusercontent.com/1479215/47129785-9476e480-d24b-11e8-8cb1-fba77ee1c072.png)
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##### Note:
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When debugging on device you must enable USB debugging in your device settings:
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Settings -> System -> About Phone -> Developer options -> enable USB debugging
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