create onwill pop bottom navigation bar in flutter - android

hey can somebody teach me the most simple way to create Bottom Navigation bar On will Pop ?for example we are in home tab and checking the post shop... with press back button we should not exit from the app . and we also can back to icon navigation bar Respectively like Instagram . for ex we are in search tab and when I want to press back , I should see home Tab Thanks

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Swipe to open expand a View, on an Activity containing a navigation menu

I've implemented a keyboard on an android app, and the app also has a navigation drawer.
The result im trying to achieve is something like what they have on a google calculator, where that green rectangle with an arrow on the right , can be open with a click, or a swipe
Can someone give me some pointers how to do this, considering that the navigation drawer already have swipe to open and close
Thank you

open Navigation Drawer by click on top left icon

I create a BaseActivity and extend other activities from it so the navigation appears on all activities well
now i want to show an icon on the top left like google play app when the user clicks on it it open the side menu
thanks in advance.

Android Edit Navigation Bar

i want to hide everything in Navigation bar except back button (rooted tablet) , i used to hide the Navigation bar completely (to restrict users access other applications and device settings) but the customers didn't like it because when users open PDF files or videos they forced to use physical back button to back to my application, so the only way is to customize the Navigation bar to show back button only , any suggestions?
EDIT : its possible to create my own Navigation bar like full!screen?
Sounds like you want to do a kiosk tablet. A lightly customized rom with a navigation bar having only the back button might be what you want to do..

How to make main page with tab bar and some menu items in it?

I'm trying to create an app, which consists of a login Screen and after the validation of credentials forwarding to Home Screen Activity.
In that Activity, I want to place a tab bar (e.g. Home, User etc) and on a selected item to show some menu items (e.g #Home, "What's New", "Products", "About Us").
I'm stuck at coding that main page with tab bar (which I can) but, I don't know what control/object should I add and code. Any kind of help could be an improvement for me.
For creating Attractive Tab / action menu items, you can try action bar sherlock library that nice to create Action bar and tab also.
Here is a Link for that, it comes with demo example

ActionbarSherlock On navigating to new activity home icon change

As in new action bars, when user clicks on any activity on dashboard, app will take user to new activity, at the same time along with home icon in action bar there would be an arrow showing this activity been started from other activity. How to get this feature with Sherlock android bar?
home icon in action bar there would be an arrow showing this activity been started from other activity
That is not what that arrow means. That arrow means that you are giving the user an option of moving "up" a navigation hierarchy, in addition to the BACK button offering navigation back to the preceding activity. This is described in greater detail in the Android Design documentation.
How to get this feature with Sherlock android bar?
The same way you do with the native action bar: call setDisplayHomeAsUpEnabled(true) on the ActionBar.

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