cordova-plugin-background-mode

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After installing the plugin build failed due to (use -source 8 or higher to enable lambda expressions) ../platforms/android/src/de/appplant/cordova/plugin/background/BackgroundModeExt.java:168: error: lambda expressions are not supported in -source 1.6

                getApp().runOnUiThread(() -> {
                                          ^

(use -source 8 or higher to enable lambda expressions)

../platforms/android/src/de/appplant/cordova/plugin/background/BackgroundModeExt.java:257: error: method references are not supported in -source 1.6

            activity.runOnUiThread(dialog::show);
                                           ^

(use -source 8 or higher to enable method references)

../platforms/android/src/de/appplant/cordova/plugin/background/BackgroundMode.java:295: error: lambda expressions are not supported in -source 1.6

    cordova.getActivity().runOnUiThread(() -> webView.loadUrl("javascript:" + js));
                                           ^

(use -source 8 or higher to enable lambda expressions) can you suggest me solution for resolveing this issue.

You have to build the app with Java 8 (1.8)

I face the same issue and I already have Java 1.8. Is there any way to force to compile this part with java 1.8??

@mbilbao I did that in Android Studio, setting 1.8 as both target and source compatibility.

Yes, I did the same, but somehow it managed to keep compiling that part in 1.7

Do a cordova clean and rebuild

Also, look at your grade files, maybe you have some reference to 1.7 still there

Any solution to this?

i am also having same error how to solve it any tips ?

We have thousand devices which target API 17, what release version that support API 17?