Keyboard scroll up and hide Toolbar and Status bar on Android - xamarin

Question

I want to keep status bar and toolbar still visible on top while displaying soft keyboard. I tried many ways but cannot done. Tried windowSoftInputMode and set/clear flag of windows, but all failed.
Could anyone help me, please ?
Please click here to see gif file!

Answer 1

This is a Xamarin bug. See here.
There are some workaronds. You have to do the following in your MainActivity:
protected override void OnCreate(Bundle bundle)
{
ToolbarResource = Resource.Layout.toolbar;
TabLayoutResource = Resource.Layout.tabs;
base.OnCreate(bundle);
//Remove the status bar underlay in API 21+
if (Build.VERSION.SdkInt >= BuildVersionCodes.Lollipop)
{
Window.DecorView.SystemUiVisibility = 0;
var statusBarHeightInfo = typeof(FormsAppCompatActivity).GetField("_statusBarHeight", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);
statusBarHeightInfo.SetValue(this, 0);
Window.SetStatusBarColor(new Android.Graphics.Color(18, 52, 86, 255));
}
global::Xamarin.Forms.Forms.Init(this, bundle);
LoadApplication(new App());
App.Current.On<Xamarin.Forms.PlatformConfiguration.Android>().UseWindowSoftInputModeAdjust(WindowSoftInputModeAdjust.Resize);
}
If you use FormsApplicationActivity instead of FormsAppCompatActivity, then you have to remove the following lines:
var statusBarHeightInfo = typeof(FormsAppCompatActivity).GetField("_statusBarHeight", System.Reflection.BindingFlags.Instance | System.Reflection.BindingFlags.NonPublic);
statusBarHeightInfo.SetValue(this, 0);
You can see more details with Jimmy Garrido here.
But to hide ActionBar, if you use the following code in your MainActivity, so only the above solution will not work:
Xamarin.Forms.Forms.SetTitleBarVisibility(Xamarin.Forms.AndroidTitleBarVisibility.Never);
To fix the problem, what worked for me was to delete this line above and create a specific theme to make the ActionBar disappear.
Under Resources / values / Styles.xml I created a new theme (you can change yours if you already have one):
<?xml version="1.0" encoding="utf-8" ?>
<resources>
<style name="MyTheme" parent="#android:style/Theme.Holo.Light">
<item name="android:actionBarSize">0dp</item>
</style>
</resources>
And don't forget to change your theme in MainActivity, like:
[Activity(WindowSoftInputMode = SoftInput.AdjustPan, Label = "Test", Icon = "#drawable/icon", Theme = "#style/MyTheme", MainLauncher = true, NoHistory = true, ConfigurationChanges = ConfigChanges.ScreenSize | ConfigChanges.Orientation)]
I hope this can help you.