Overlay over navigation bar in Android 4 -


i struggling despite going through samples...

i want overlay on android navigation bar - have tried following code... 

s_translucentparams = new windowmanager.layoutparams(                 windowmanager.layoutparams.match_parent,                 windowmanager.layoutparams.match_parent,                 windowmanager.layoutparams.type_system_error,                 windowmanager.layoutparams.flag_layout_in_screen                         | windowmanager.layoutparams.flag_not_touchable                         | windowmanager.layoutparams.flag_not_focusable                         | windowmanager.layoutparams.flag_fullscreen                 ,                 pixelformat.translucent);

but of course, fills window not cover navigation bar... after doing reading, tried following (from draw bitmaps on top of navigation bar in android) ...

w = new android.view.windowmanager.layoutparams(-1, -1,0,-navigationbarheight(),    windowmanager.layoutparams.type_system_overlay, windowmanager.layoutparams.flag_fullscreen |windowmanager.layoutparams.flag_not_focusable |windowmanager.layoutparams.flag_not_touchable |windowmanager.layoutparams.flag_layout_inset_decor  |windowmanager.layoutparams.flag_layout_no_limits, pixel.translucent); f.addview(v, w);

but not overlay me despite me altering window size ... doesn't overlap navigation bar :(

i want make following...

https://play.google.com/store/apps/details?id=com.haxor&hl=en_gb

this not display above navigation bar, below (which fine needs)

can me? thanks.

what see on screenshots @ play market link android kitkat's (api 19) translucent decor.

you can make system bars partially translucent new themes, theme.holo.noactionbar.translucentdecor , theme.holo.light.noactionbar.translucentdecor. enabling translucent system bars, layout fill area behind system bars, must enable fitssystemwindows portion of layout should not covered system bars.

if you're creating custom theme, set 1 of these themes parent theme or include windowtranslucentnavigation , windowtranslucentstatus style properties in theme.

your translucent activity should declared in androidmanifest.xml like:

<activity android:name="com.example.app.translucentactivity"           android:theme="@android:style/theme.holo.noactionbar.translucentdecor" />

other way might want go hiding navigation bar api 14+:

view decorview = getwindow().getdecorview(); // hide both navigation bar , status bar. // system_ui_flag_fullscreen available on android 4.1 , higher, // general rule, should design app hide status bar whenever // hide navigation bar. int uioptions = view.system_ui_flag_hide_navigation               | view.system_ui_flag_fullscreen; decorview.setsystemuivisibility(uioptions);

or might want use immersive full-screen mode api 19:

@override public void onwindowfocuschanged(boolean hasfocus) {         super.onwindowfocuschanged(hasfocus);     if (hasfocus) {         decorview.setsystemuivisibility(                 view.system_ui_flag_layout_stable                 | view.system_ui_flag_layout_hide_navigation                 | view.system_ui_flag_layout_fullscreen                 | view.system_ui_flag_hide_navigation                 | view.system_ui_flag_fullscreen                 | view.system_ui_flag_immersive_sticky);} }

take @ using immersive full-screen mode , hiding navigation bar more detailed information.


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