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We use a custom Android ROM which in-turn uses the default WebView with version 48. We want to replace that APK with the APK from the Play Store with version 74. Both have different package names.

I've read this replacing default WebView and done changing my frameworks/base/core/res/res/values/config.xml values to point to the new APK's package name.

Now, when I try to launch the Activity which hosts the WebView I get this stacktrace 

E/webviewchromiumloader: Failed to open relro file /data/misc/shared_relro/libwebviewchromium64.relro: No such file or directory
E/dex2oat: Failed to create oat file: /data/dalvik-cache/arm64/data@app@com.google.android.webview-1@base.apk@classes.dex: Permission denied
E/cr_LibraryLoader: Unable to load library: webviewchromium
E/WebViewFactory: error instantiating provider
Binary XML file line #7: Binary XML file line #7: Error inflating class android.webkit.WebView

What am I missing here? or any alternative library which has the latest WebView

Solved here - link

Veeresh Charantimath
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  • "We want to replace that APK with the APK from the Play Store with version 74" -- did you license this from Google? – CommonsWare May 10 '19 at 13:20
  • @CommonsWare ah, no! Should we? I have no idea on this front – Veeresh Charantimath May 10 '19 at 13:26
  • I'm not sure if it is what you want but [here is](https://www.chromium.org/developers/androidwebview/android-webview-beta) how to change the default webview. if you don't want the beta, you canjust use `chrome stable` – Kilarn123 May 10 '19 at 13:39
  • @Kilarn123 Yes, I have the APK with me, now I need my custom ROM Android to point to that APK for WebView – Veeresh Charantimath May 10 '19 at 13:56
  • "Should we?" -- what evidence do you have that you are authorized to copy it? When you discussed this with your attorney, what did the attorney suggest? – CommonsWare May 10 '19 at 14:00
  • yes but the part in developer options where you can choose it ? isn't it what you want ? – Kilarn123 May 10 '19 at 14:23
  • @CommonsWare we haven't discussed this with any attorney, we figured out that the WebView from the PlayStore with version 74 was supporting our use-case rather than the default one version 48 which we already have – Veeresh Charantimath May 10 '19 at 14:58
  • @Kilarn123 we run Android M, so selecting WebView implementations is not an option – Veeresh Charantimath May 10 '19 at 15:03
  • Try reading this https://developers.chrome.com/multidevice/webview/overview. It is only from Android Lollipop that webview has moved to separate APK. The WebView will auto-update for mobile devices with Android L and above. If you update webview from playstore you should see the effect on webview that you are creating, if anything is applicable – TheGraduateGuy May 11 '19 at 06:03

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