W System.err: java.lang.NoSuchMethodException: isKeyboardVisible []

W System.err: java.lang.NoSuchMethodException: isKeyboardVisible [] W System.err: at java.lang.Class.getMethod(Class.java:1981) W System.err: at java.lang.Class.getDeclaredMethod(Class.java:1960) W System.err: at org.qtproject.qt.android.bindings.QtApplication.setQtContextDelegate(QtApplication.java:88) W System.err: at org.qtproject.qt.android.bindings.QtLoader.loadApplication(QtLoader.java:270) W System.err: at org.qtproject.qt.android.bindings.QtLoader.startApp(QtLoader.java:512) W System.err: at org.qtproject.qt.android.bindings.QtActivityLoader.onCreate(QtActivityLoader.java:161) W System.err: at org.qtproject.qt.android.bindings.QtActivity.onCreateHook(QtActivity.java:262) W System.err: at org.qtproject.qt.android.bindings.QtActivity.onCreate(QtActivity.java:269) W System.err: at android.app.Activity.performCreate(Activity.java:6720) W System.err: at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1119) W System.err: at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2673) W System.err: at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2781) W System.err: at android.app.ActivityThread.-wrap12(ActivityThread.java) W System.err: at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1508) W System.err: at android.os.Handler.dispatchMessage(Handler.java:102) W System.err: at android.os.Looper.loop(Looper.java:241) W System.err: at android.app.ActivityThread.main(ActivityThread.java:6274) W System.err: at java.lang.reflect.Method.invoke(Native Method) W System.err: at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:886) W System.err: at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:776)