grennis/SoftInputAssist.java

ikun03 · 2018-04-26T13:59:25Z

Worked excellently.

untungs · 2018-08-02T02:14:58Z

Anyone knows why it flickers when the keyboard is opened/closed? It's like the toolbar jumps down for a split second.
I'm using support library v28.0.0-alpha1.

jpvs0101 · 2018-09-10T14:18:59Z

How to use () -> possiblyResizeChildOfContent() without lambda, because lambda need Java 8, but I am using Java 7!

CoolMind · 2018-10-17T11:57:04Z

@jpvs0101, I think, it is:

private ViewTreeObserver.OnGlobalLayoutListener listener;

public SoftInputAssist(Activity activity) {
    ...
    listener = new ViewTreeObserver.OnGlobalLayoutListener() {
        @Override
        public void onGlobalLayout() {
            possiblyResizeChildOfContent();
        }
    };
}

Also in Activity you should use (sorry, in Kotlin):

    override fun onResume() {
        super.onResume()
        softInputAssist.onResume()
    }

    override fun onPause() {
        softInputAssist.onPause()
        super.onPause()
    }

    override fun onDestroy() {
        softInputAssist.onDestroy()
        super.onDestroy()
    }

where softInputAssist = new SoftInputAssist(this);.

CoolMind · 2018-10-17T12:35:33Z

In Kotlin (see also https://stackoverflow.com/a/42261118/2914140).

class SoftInputAssist(activity: Activity) {
    private var rootView: View? = null
    private var contentContainer: ViewGroup? = null
    private var viewTreeObserver: ViewTreeObserver? = null
    private val listener: () -> Unit
    private val contentAreaOfWindowBounds = Rect()
    private val rootViewLayout: FrameLayout.LayoutParams
    private var usableHeightPrevious = 0

    init {
        contentContainer = activity.findViewById(android.R.id.content) as ViewGroup
        rootView = contentContainer!!.getChildAt(0)
        rootViewLayout = rootView!!.layoutParams as FrameLayout.LayoutParams
        listener = { possiblyResizeChildOfContent() }
    }

    fun onResume() {
        if (viewTreeObserver == null || viewTreeObserver?.isAlive == false) {
            viewTreeObserver = rootView?.viewTreeObserver
        }

        viewTreeObserver?.addOnGlobalLayoutListener(listener)
    }

    fun onPause() {
        if (viewTreeObserver?.isAlive == true) {
            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.JELLY_BEAN) {
                viewTreeObserver?.removeOnGlobalLayoutListener(listener)
            } else {
                //noinspection deprecation
                viewTreeObserver?.removeGlobalOnLayoutListener(listener)
            }
        }
    }

    fun onDestroy() {
        rootView = null
        contentContainer = null
        viewTreeObserver = null
    }

    private fun possiblyResizeChildOfContent() {
        contentContainer?.getWindowVisibleDisplayFrame(contentAreaOfWindowBounds)
        val usableHeightNow = contentAreaOfWindowBounds.height()

        if (usableHeightNow != usableHeightPrevious) {
            rootViewLayout.height = usableHeightNow
            // Change the bounds of the root view to prevent gap between keyboard and content, and top of content positioned above top screen edge.
            rootView?.layout(contentAreaOfWindowBounds.left, contentAreaOfWindowBounds.top,
                contentAreaOfWindowBounds.right, contentAreaOfWindowBounds.bottom)
            rootView?.requestLayout()

            usableHeightPrevious = usableHeightNow
        }
    }
}

shobhitpuri · 2018-12-10T05:51:47Z

Anyone knows why it flickers when the keyboard is opened/closed? It's like the toolbar jumps down for a split second.
I'm using support library v28.0.0-alpha1.

Yaa, I see the flickering even with 27.1.1

andreynovikov · 2018-12-11T22:05:13Z

Worked for me after I have replaced

int usableHeightNow = contentAreaOfWindowBounds.height();

with

int usableHeightNow = contentAreaOfWindowBounds.bottom;

otherwise I had a large gap at the bottom of the screen.

BackPackerDz · 2020-05-05T21:22:09Z

Not working.

Fauzdar1 · 2020-05-15T17:24:27Z

Not working, I'm using ConstraintLayout and it's doing nothing, no change at all.

grennis · 2020-05-16T14:21:24Z

This gist is over 3 years old and hacking around limitations in the framework at the time. I am not surprised to hear it doesn’t work properly anymore. I believe similar functionality is now available in androidx libs. I should probably just delete this.

antonshkurenko · 2020-06-02T11:14:17Z

For those, who found it not working, use solution in this comment: https://gist.github.com/grennis/2e3cd5f7a9238c59861015ce0a7c5584#gistcomment-2783151

mahbub-java · 2020-06-19T21:53:13Z

fantastic. work still greatly in 2020. Two problem has remain. Flickering and bottom height. bottom height solve by int usableHeightNow = contentAreaOfWindowBounds.bottom; still has 10 dp gap in android pie but lower version it works.

bhardwaj49 · 2020-06-26T12:10:11Z

This gist is over 3 years old and hacking around limitations in the framework at the time. I am not surprised to hear it doesn’t work properly anymore. I believe similar functionality is now available in androidx libs. I should probably just delete this.

For me with this solution, i see flicker on the action bar as well as it some what works as adjustResize, where it's bringing other views with input field above keyboard.

My layout is like this ->
Custom tool bar
Webview (containing the input field at the bottom of view)
Bottom bar(having some tab views as options)

I don't want the bottom bar to come above the keyboard when i click on input field within the webview, but with this solution bottom bar also jumps up the keyboard.

Note: I have used adjustPan with the activity as softInputMode, also if i use only adjustResize it does work very similar to what i see with adjustPan & this solution.

@grennis Can you please guide with the solution which androidx libs provides as you have mentioned?

grennis · 2020-06-26T19:39:18Z

@bhardwaj49 I think they mentioned it on the android developer backstage podcast, they said it will be a new framework feature but would likely have jetpack backport support.

many-cat · 2020-07-17T08:25:02Z

The Activity can be set to adjustNothing in the AndroidManifest.xml. https://github.com/siebeprojects/samples-keyboardheight

tsutsuku · 2020-08-26T09:31:49Z

This gist is over 3 years old and hacking around limitations in the framework at the time. I am not surprised to hear it doesn’t work properly anymore. I believe similar functionality is now available in androidx libs. I should probably just delete this.

For me with this solution, i see flicker on the action bar as well as it some what works as adjustResize, where it's bringing other views with input field above keyboard.

My layout is like this ->
Custom tool bar
Webview (containing the input field at the bottom of view)
Bottom bar(having some tab views as options)

I don't want the bottom bar to come above the keyboard when i click on input field within the webview, but with this solution bottom bar also jumps up the keyboard.

Note: I have used adjustPan with the activity as softInputMode, also if i use only adjustResize it does work very similar to what i see with adjustPan & this solution.

@grennis Can you please guide with the solution which androidx libs provides as you have mentioned?

try replace
rootView.layout(contentAreaOfWindowBounds.left, contentAreaOfWindowBounds.top, contentAreaOfWindowBounds.right, contentAreaOfWindowBounds.bottom);
to
rootView.layout(contentAreaOfWindowBounds.left - (int)contentContainer.getX(), contentAreaOfWindowBounds.top - (int)contentContainer.getY(), contentAreaOfWindowBounds.right - (int)contentContainer.getX(), contentAreaOfWindowBounds.bottom - (int)contentContainer.getY());

pedromarta · 2020-10-21T15:24:23Z

@mahbub-java @bhardwaj49 Were you able to find a final solution for the status bar flicker? Still experiencing the same issue here.

CristianMG · 2020-11-10T07:45:12Z

It's very frustrating have to do tricks because of framework's limitations. Any other solution?

seanyc4 · 2020-12-29T12:41:42Z

How do we remove these window adjustments when moving to a new fragment? It works perfectly in the fragment where I have fullscreen mode but when I navigate back to the previous fragment which isnt full screen the bottom nav view is now hidden behind the device navigation. I guess whatever insets are being done in the full screen mode are carrying over to the prevouis fragment which doesnt require any window/inset modifications

khleong94 · 2021-03-16T10:38:10Z

I am able to implement this and the status bar is not flickering anymore, need to let it run in Handler when calling "possiblyResizeChildOfContent".
Not sure whether this works on anyone else, but give it a try.
The code below is in Kotlin.

class SoftInputAssist(activity: Activity) {
    private var contentContainer: ViewGroup?
    private var rootView: View?
    private val rootViewLayout: FrameLayout.LayoutParams?

    private val contentAreaOfWindowBounds: Rect = Rect()
    private var viewTreeObserver: ViewTreeObserver? = null
    private var usableHeightPrevious = 0

    private val listener = OnGlobalLayoutListener {
        possiblyResizeChildOfContent()
    }

    init {
        contentContainer = activity.contentRootView as? ViewGroup
        rootView = contentContainer?.getChildAt(0)
        rootViewLayout = rootView?.layoutParams as? FrameLayout.LayoutParams
    }

    fun onPause() {
        if (viewTreeObserver != null && viewTreeObserver!!.isAlive) {
            viewTreeObserver?.removeOnGlobalLayoutListener(listener)
        }
    }

    fun onResume() {
        viewTreeObserver = rootView?.viewTreeObserver

        if (viewTreeObserver != null) {
            viewTreeObserver?.addOnGlobalLayoutListener(listener)
        }
    }

    fun onDestroy() {
        contentContainer = null
        rootView = null
        viewTreeObserver = null
    }

    private fun possiblyResizeChildOfContent() {
        runOnMainThread {
            contentContainer?.getWindowVisibleDisplayFrame(contentAreaOfWindowBounds)
            val usableHeightNow: Int = contentAreaOfWindowBounds.bottom

            if (usableHeightNow != usableHeightPrevious) {
                rootViewLayout?.height = usableHeightNow

                rootView?.layout(
                    contentAreaOfWindowBounds.left - (contentContainer?.x?.toInt() ?: 0),
                    contentAreaOfWindowBounds.top - (contentContainer?.y?.toInt() ?: 0),
                    contentAreaOfWindowBounds.right - (contentContainer?.x?.toInt() ?: 0),
                    contentAreaOfWindowBounds.bottom - (contentContainer?.y?.toInt() ?: 0)
                )

                rootView?.requestLayout()
                usableHeightPrevious = usableHeightNow
            }
        }
    }
}

val Activity.contentRootView: View?
    get() = window?.decorView?.findViewById(android.R.id.content) ?: findViewById(android.R.id.content)

private object ContextHandler {
    val handler = Handler(Looper.getMainLooper())
}

fun runOnMainThread(action: () -> Unit) {
    ContextHandler.handler.post {
        action()
    }
}

phucnv-2558 · 2021-10-11T08:47:22Z

I have a view that is constanted to the container but when resizing the root view, that view disappears

sab60-bit · 2021-11-09T10:21:46Z

it does not work to me i has error at line : private ViewTreeObserver.OnGlobalLayoutListener listener = () -> possiblyResizeChildOfContent();
please how can i resolve it . thanks

hasanaga · 2021-11-19T22:38:00Z

Thanks. It works perfectly.

hasanaga · 2021-11-19T22:38:34Z

it does not work to me i has error at line : private ViewTreeObserver.OnGlobalLayoutListener listener = () -> possiblyResizeChildOfContent(); please how can i resolve it . thanks

Use like this

    private ViewTreeObserver.OnGlobalLayoutListener listener = new ViewTreeObserver.OnGlobalLayoutListener() {
        @Override
        public void onGlobalLayout() {
            possiblyResizeChildOfContent();
        }
    };

mirkamalg · 2022-04-24T08:33:12Z

This gist is over 3 years old and hacking around limitations in the framework at the time. I am not surprised to hear it doesn’t work properly anymore. I believe similar functionality is now available in androidx libs. I should probably just delete this.

Actually it works, it just flickers when keyboard size or visibility is changes.

PriyaSindkar · 2022-05-30T07:19:35Z

I am able to implement this and the status bar is not flickering anymore, need to let it run in Handler when calling "possiblyResizeChildOfContent". Not sure whether this works on anyone else, but give it a try. The code below is in Kotlin.

class SoftInputAssist(activity: Activity) {
    private var contentContainer: ViewGroup?
    private var rootView: View?
    private val rootViewLayout: FrameLayout.LayoutParams?

    private val contentAreaOfWindowBounds: Rect = Rect()
    private var viewTreeObserver: ViewTreeObserver? = null
    private var usableHeightPrevious = 0

    private val listener = OnGlobalLayoutListener {
        possiblyResizeChildOfContent()
    }

    init {
        contentContainer = activity.contentRootView as? ViewGroup
        rootView = contentContainer?.getChildAt(0)
        rootViewLayout = rootView?.layoutParams as? FrameLayout.LayoutParams
    }

    fun onPause() {
        if (viewTreeObserver != null && viewTreeObserver!!.isAlive) {
            viewTreeObserver?.removeOnGlobalLayoutListener(listener)
        }
    }

    fun onResume() {
        viewTreeObserver = rootView?.viewTreeObserver

        if (viewTreeObserver != null) {
            viewTreeObserver?.addOnGlobalLayoutListener(listener)
        }
    }

    fun onDestroy() {
        contentContainer = null
        rootView = null
        viewTreeObserver = null
    }

    private fun possiblyResizeChildOfContent() {
        runOnMainThread {
            contentContainer?.getWindowVisibleDisplayFrame(contentAreaOfWindowBounds)
            val usableHeightNow: Int = contentAreaOfWindowBounds.bottom

            if (usableHeightNow != usableHeightPrevious) {
                rootViewLayout?.height = usableHeightNow

                rootView?.layout(
                    contentAreaOfWindowBounds.left - (contentContainer?.x?.toInt() ?: 0),
                    contentAreaOfWindowBounds.top - (contentContainer?.y?.toInt() ?: 0),
                    contentAreaOfWindowBounds.right - (contentContainer?.x?.toInt() ?: 0),
                    contentAreaOfWindowBounds.bottom - (contentContainer?.y?.toInt() ?: 0)
                )

                rootView?.requestLayout()
                usableHeightPrevious = usableHeightNow
            }
        }
    }
}

val Activity.contentRootView: View?
    get() = window?.decorView?.findViewById(android.R.id.content) ?: findViewById(android.R.id.content)

private object ContextHandler {
    val handler = Handler(Looper.getMainLooper())
}

fun runOnMainThread(action: () -> Unit) {
    ContextHandler.handler.post {
        action()
    }
}

For me this solution worked perfectly with windowSoftInputMode= adjustPan and then adjusting my NestedScrollView's parent's top, start, end, and bottom constraints with the parent with 0dp height

SANDY-9 · 2023-04-01T13:35:35Z

thanks.

Twodies · 2023-05-03T11:41:59Z

Worked for me after I have replaced
int usableHeightNow = contentAreaOfWindowBounds.height();
with
int usableHeightNow = contentAreaOfWindowBounds.bottom;
otherwise I had a large gap at the bottom of the screen.

Thanks Bro it was a problem for me. But a little bit problem while launching the activity, splash like problem. If you found an answer please email me. [email protected]. I'll be waiting to your answer.

benardelia · 2024-04-15T11:53:09Z

Can this be used in fragment...

	public class SoftInputAssist {
	private View rootView;
	private ViewGroup contentContainer;
	private ViewTreeObserver viewTreeObserver;
	private ViewTreeObserver.OnGlobalLayoutListener listener = () -> possiblyResizeChildOfContent();
	private Rect contentAreaOfWindowBounds = new Rect();
	private FrameLayout.LayoutParams rootViewLayout;
	private int usableHeightPrevious = 0;

	public SoftInputAssist(Activity activity) {
	contentContainer = (ViewGroup) activity.findViewById(android.R.id.content);
	rootView = contentContainer.getChildAt(0);
	rootViewLayout = (FrameLayout.LayoutParams) rootView.getLayoutParams();
	}

	public void onPause() {
	if (viewTreeObserver.isAlive()) {
	viewTreeObserver.removeOnGlobalLayoutListener(listener);
	}
	}

	public void onResume() {
	if (viewTreeObserver == null \|\| !viewTreeObserver.isAlive()) {
	viewTreeObserver = rootView.getViewTreeObserver();
	}

	viewTreeObserver.addOnGlobalLayoutListener(listener);
	}

	public void onDestroy() {
	rootView = null;
	contentContainer = null;
	viewTreeObserver = null;
	}

	private void possiblyResizeChildOfContent() {
	contentContainer.getWindowVisibleDisplayFrame(contentAreaOfWindowBounds);
	int usableHeightNow = contentAreaOfWindowBounds.height();

	if (usableHeightNow != usableHeightPrevious) {
	rootViewLayout.height = usableHeightNow;
	rootView.layout(contentAreaOfWindowBounds.left, contentAreaOfWindowBounds.top, contentAreaOfWindowBounds.right, contentAreaOfWindowBounds.bottom);
	rootView.requestLayout();

	usableHeightPrevious = usableHeightNow;
	}
	}
	}

grennis/SoftInputAssist.java

ikun03 commented Apr 26, 2018

untungs commented Aug 2, 2018

jpvs0101 commented Sep 10, 2018

CoolMind commented Oct 17, 2018 •

edited

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CoolMind commented Oct 17, 2018 •

edited

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shobhitpuri commented Dec 10, 2018

andreynovikov commented Dec 11, 2018

BackPackerDz commented May 5, 2020

Fauzdar1 commented May 15, 2020

grennis commented May 16, 2020

antonshkurenko commented Jun 2, 2020

mahbub-java commented Jun 19, 2020 •

edited

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bhardwaj49 commented Jun 26, 2020

grennis commented Jun 26, 2020

many-cat commented Jul 17, 2020 •

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tsutsuku commented Aug 26, 2020

pedromarta commented Oct 21, 2020 •

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CristianMG commented Nov 10, 2020

seanyc4 commented Dec 29, 2020

khleong94 commented Mar 16, 2021 •

edited

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phucnv-2558 commented Oct 11, 2021

sab60-bit commented Nov 9, 2021

hasanaga commented Nov 19, 2021

hasanaga commented Nov 19, 2021 •

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mirkamalg commented Apr 24, 2022

PriyaSindkar commented May 30, 2022

SANDY-9 commented Apr 1, 2023

Twodies commented May 3, 2023

benardelia commented Apr 15, 2024

grennis/SoftInputAssist.java

ikun03 commented Apr 26, 2018

untungs commented Aug 2, 2018

jpvs0101 commented Sep 10, 2018

CoolMind commented Oct 17, 2018 • edited Loading

CoolMind commented Oct 17, 2018 • edited Loading

shobhitpuri commented Dec 10, 2018

andreynovikov commented Dec 11, 2018

BackPackerDz commented May 5, 2020

Fauzdar1 commented May 15, 2020

grennis commented May 16, 2020

antonshkurenko commented Jun 2, 2020

mahbub-java commented Jun 19, 2020 • edited Loading

bhardwaj49 commented Jun 26, 2020

grennis commented Jun 26, 2020

many-cat commented Jul 17, 2020 • edited Loading

tsutsuku commented Aug 26, 2020

pedromarta commented Oct 21, 2020 • edited Loading

CristianMG commented Nov 10, 2020

seanyc4 commented Dec 29, 2020

khleong94 commented Mar 16, 2021 • edited Loading

phucnv-2558 commented Oct 11, 2021

sab60-bit commented Nov 9, 2021

hasanaga commented Nov 19, 2021

hasanaga commented Nov 19, 2021 • edited Loading

mirkamalg commented Apr 24, 2022

PriyaSindkar commented May 30, 2022

SANDY-9 commented Apr 1, 2023

Twodies commented May 3, 2023

benardelia commented Apr 15, 2024

CoolMind commented Oct 17, 2018 •

edited

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CoolMind commented Oct 17, 2018 •

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mahbub-java commented Jun 19, 2020 •

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many-cat commented Jul 17, 2020 •

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pedromarta commented Oct 21, 2020 •

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khleong94 commented Mar 16, 2021 •

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hasanaga commented Nov 19, 2021 •

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