Android install error

[Craigstock]

I have an issue with the Android install. I have followed your example video to the letter, but I’m still getting an error. I have attached a screen shot to see if you have any ideas around this?

It is having issues with the cordovafragment.java – I’m not sure if this is due to a new Android API, or the newer cordova version?

Attempting this in Eclipse Mars 1, with Android 5.1.1 and the latest Cordova.

Herewith a screenshot:

Any help would be greatly appreciated!

[thomasforth]

We have worked hard to try and fix this problem but we're really struggling with Cordova 5.x. For the moment we would suggest using Cordova 4.x

[thomasuvyn]

I got this working for me with Cordova 5.4.1 and cordova android platform 4.1.1

root of the problem: CordovaWebView has become an interface instead of a class in cordova android 4+

My changes to CordovaFragment.java:
onCreateView() needs to be rewritten

    protected CordovaPreferences preferences;
    protected String launchUrl;
    protected ArrayList<PluginEntry> pluginEntries;
    protected CordovaInterfaceImpl cordovaInterface;

    protected void loadConfig() {
        ConfigXmlParser parser = new ConfigXmlParser();
        parser.parse(getActivity());
        preferences = parser.getPreferences();
        preferences.setPreferencesBundle(getActivity().getIntent().getExtras());
//        preferences.copyIntoIntentExtras(getActivity());
        launchUrl = parser.getLaunchUrl();
        pluginEntries = parser.getPluginEntries();
//         Config.parser = parser;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {

        LayoutInflater localInflater = inflater.cloneInContext(new CordovaContext(getActivity(), this));
        View rootView = localInflater.inflate(R.layout.fragment_cordova, container, false);

        cordovaInterface = new CordovaInterfaceImpl(getActivity());
        if(savedInstanceState != null) cordovaInterface.restoreInstanceState(savedInstanceState);

        loadConfig();

        myWebView = new CordovaWebViewImpl(CordovaWebViewImpl.createEngine(getActivity(), preferences));
        myWebView.getView().setId(100);
        RelativeLayout.LayoutParams wvlp = new RelativeLayout.LayoutParams(
                RelativeLayout.LayoutParams.MATCH_PARENT,
                RelativeLayout.LayoutParams.MATCH_PARENT);
        myWebView.getView().setLayoutParams(wvlp);

        myWebView.getView().setBackgroundColor(Color.argb(1, 0, 0, 0));

        // fixes a bug in android 3.0 - 4.0.3 that causes an issue with transparent webviews.
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.HONEYCOMB
                && android.os.Build.VERSION.SDK_INT <= android.os.Build.VERSION_CODES.ICE_CREAM_SANDWICH_MR1) {
            myWebView.getView().setLayerType(WebView.LAYER_TYPE_SOFTWARE, null);
        }

        if (! myWebView.isInitialized()) {
            myWebView.init(cordovaInterface, pluginEntries, preferences);
        }
        cordovaInterface.onCordovaInit(myWebView.getPluginManager());


        // Config.init(getActivity());
        ((RelativeLayout)rootView).addView(myWebView.getView());
        myWebView.loadUrl(launchUrl);

        return rootView;
    }

and overwrite the onDestroy() function as well.

public void onDestroy() {
        super.onDestroy();
        if (myWebView.getPluginManager() != null) {
            myWebView.getPluginManager().onDestroy();
        }
    }

And remove the CordovaWebView tag from fragment_cordova.xml.
frament_cordova.xml ends up looking like this:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:padding="0dp">

</RelativeLayout>

Disclaimer: This works in the app i'm currently working on. I haven't tested this with a clean cordova install and the Demo app yet. I'm also not a Java-developer.
I still need to do some further testing, but the basic operations seem to work. (open, sync, scan, dismiss)

I hope this works for other people as well :)

Courtesy to this stackoverflow post that got me started: http://stackoverflow.com/questions/30489176/cordova-webview-inside-android-fragment-on-cordova-4-0

[thomasforth]

Wow Thomas, this is amazing. Thank you so much for taking the time and sharing your fix.

We will be testing it, and seeing if there's a neat way to retain backwards compatibility. Expect an update to the main project in January.

[hmichelkernix]

Hello @thomasuvyn

Thank for have sharing your fix, it help me to fix a runtime error I got in this issue #8 (comment)

[Craigstock]

Hi All, is there an official fix to this problem yet? I have upgraded to Cordova ver 4.1.1 for Android Platform and added the changes above, all is fine except for "CordovaWebViewImpl cannot be resolved to a type."

As follows:

Any ideas?

[Craigstock]

In case this helps anyone else who has the same problem, I resolved the issue by adding in the import: “import org.apache.cordova.CordovaWebViewImpl;” to the CordovaFragment.java file. The app now runs as expected.