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Tooltips broken on Android #4924

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Dakror opened this issue Oct 12, 2017 · 7 comments
Open

Tooltips broken on Android #4924

Dakror opened this issue Oct 12, 2017 · 7 comments
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android good first issue help wanted scene2d

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@Dakror
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@Dakror Dakror commented Oct 12, 2017

Issue details

Tooltips broken on Android. They do not show but cause an exception instead.
Also referenced in #4921

Reproduction steps/code

Run the UITest on android (i used a Huawei P8, Android 5)

Version of LibGDX and/or relevant dependencies

1.9.6

Stacktrace

10-12 18:23:17.610 571-761/com.badlogic.gdx.tests.android W/System.err: java.lang.NullPointerException: Attempt to invoke virtual method 'com.badlogic.gdx.scenes.scene2d.Stage com.badlogic.gdx.scenes.scene2d.Actor.getStage()' on a null object reference
10-12 18:23:17.610 571-761/com.badlogic.gdx.tests.android W/System.err:     at com.badlogic.gdx.scenes.scene2d.ui.TooltipManager$2.run(TooltipManager.java:69)
10-12 18:23:17.610 571-761/com.badlogic.gdx.tests.android W/System.err:     at com.badlogic.gdx.backends.android.AndroidGraphics.onDrawFrame(AndroidGraphics.java:488)
10-12 18:23:17.610 571-761/com.badlogic.gdx.tests.android W/System.err:     at android.opengl.GLSurfaceView$GLThread.guardedRun(GLSurfaceView.java:1531)
10-12 18:23:17.610 571-761/com.badlogic.gdx.tests.android W/System.err:     at android.opengl.GLSurfaceView$GLThread.run(GLSurfaceView.java:1248)

Please select the affected platforms

  • Android
  • iOS (robovm)
  • iOS (MOE)
  • HTML/GWT
  • Windows
  • Linux
  • MacOS
@Dakror Dakror mentioned this issue Oct 12, 2017
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@Tom-Ski
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@Tom-Ski Tom-Ski commented Oct 25, 2017 •
edited

I can't reproduce this on my device. You are running the stock UITest, what are the exact steps to reproduce? What are you hovering over etc?
@Dakror
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@Dakror Dakror commented Oct 25, 2017 •
edited

I'm running the stock UITest and when tapping on the Button "Multi Line Toggle" there should be a tooltip popping up, but instead an exception gets thrown. As stated in the PR, using a real Android phone for this.
@Tom-Ski
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@Tom-Ski Tom-Ski commented Oct 26, 2017

Yeah, I can't reproduce this with your steps. I'll try find another device to test on to see if i can it there. Otherwise, hopefully someone else can reproduce and test.
@Zomby2D
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@Zomby2D Zomby2D commented Nov 23, 2017 •
edited

I tried various phones and tablets with Android versions ranging from 4.1.2 to 7.1, and I can't reproduce the issue either. The tooltip always pops up correctly for me. (I tried with both USB and Bluetooth mices)

Are there any other steps I might be missing here?
@Dakror
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@Dakror Dakror commented Nov 23, 2017 •
edited

No there are no other steps involved. I sadly do not have any other working phone around to pin point the issue to my device specifically. Huawei is involved in all kinds of weird Android bugs though.

Using the Huawei P8 for this.
@JasonMacKeigan
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@JasonMacKeigan JasonMacKeigan commented May 31, 2018 •
edited

This same issue is occurring for me as well. Unfortunately I haven't been able to pinpoint the issue either. Tooltips are just simply not showing on Android. I'm using an Android Pixel with API 26.
@mobiuscog
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@mobiuscog mobiuscog commented Jul 8, 2018

It's likely a race condition as TooltipManager isn't thread-safe - there are no synchronization / guard blocks.
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@mobiuscog @JasonMacKeigan @Dakror @Tom-Ski @Zomby2D @MrStahlfelge
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