# Android

**URL:** https://devforum.zoom.us/c/meeting-sdk/android/11.md?page=42

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**Page:** 43

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## [ActivityNotFoundException: Unable to find explicit activity class {com.example.prod/com.zipow.videobox.JoinByURLActivity};](https://devforum.zoom.us/t/activitynotfoundexception-unable-to-find-explicit-activity-class-com-example-prod-com-zipow-videobox-joinbyurlactivity/24170)

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**Author:** [@ehiddenbrain](https://devforum.zoom.us/u/ehiddenbrain)\
**Replies:** 1\
**Last updated:** [July 17, 2020, 11:54pm UTC](https://devforum.zoom.us/t/activitynotfoundexception-unable-to-find-explicit-activity-class-com-example-prod-com-zipow-videobox-joinbyurlactivity/24170 "2020-07-17T23:54:47Z")

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ActivityNotFoundException: Unable to find explicit activity class {com.example.prod/com.zipow.videobox.JoinByURLActivity}; getting this error while integrating android SDK in application. SDK initializes properly. Fou…

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## [Bug with PreMeetingService.ListAllMeeting() API call](https://devforum.zoom.us/t/bug-with-premeetingservice-listallmeeting-api-call/4392)

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**Author:** [@murali](https://devforum.zoom.us/u/murali)\
**Replies:** 5\
**Last updated:** [July 17, 2020, 11:36pm UTC](https://devforum.zoom.us/t/bug-with-premeetingservice-listallmeeting-api-call/4392 "2020-07-17T23:36:11Z")

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Description I tried using the PreMeetingService.ListAllMeeting() api call to obtain the list of all the meetings that the logged-in user currently has. However, the callback only lists the meeting-ids of the meetings th…

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## [Android TV support](https://devforum.zoom.us/t/android-tv-support/21585)

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**Author:** [@ttenushko](https://devforum.zoom.us/u/ttenushko)\
**Replies:** 3\
**Last updated:** [July 17, 2020, 11:34pm UTC](https://devforum.zoom.us/t/android-tv-support/21585 "2020-07-17T23:34:10Z")

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Description Hi, I manage to run Sample app on Android TV emulator and NVIDIA ShieldTV device. In fact sample is running and most functions working but there are some issues faced: External USB camera works for a some…

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## [PreferenceUtil.java line 2 com.zipow.videobox.util.PreferenceUtil.readBooleanValue](https://devforum.zoom.us/t/preferenceutil-java-line-2-com-zipow-videobox-util-preferenceutil-readbooleanvalue/23949)

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**Author:** [@sa159871](https://devforum.zoom.us/u/sa159871)\
**Replies:** 2\
**Last updated:** [July 17, 2020, 11:31pm UTC](https://devforum.zoom.us/t/preferenceutil-java-line-2-com-zipow-videobox-util-preferenceutil-readbooleanvalue/23949 "2020-07-17T23:31:39Z")

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Description Getting a crashlytics error on Firebase which says PreferenceUtil.java line 2 com.zipow.videobox.util.PreferenceUtil.readBooleanValue Which version? Latest Zoom SDK version v4.6.21666.0429 Smartphone (pl…

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## [Preview video render stops working after switchToNextCamera](https://devforum.zoom.us/t/preview-video-render-stops-working-after-switchtonextcamera/23994)

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**Author:** [@criva](https://devforum.zoom.us/u/criva)\
**Replies:** 1\
**Last updated:** [July 17, 2020, 11:30pm UTC](https://devforum.zoom.us/t/preview-video-render-stops-working-after-switchtonextcamera/23994 "2020-07-17T23:30:40Z")

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I am working on an app with full customized UI following the Android Sample app in SDK Everything is working fine except the preview video render. It stops working after calling switchToNextCamera. I does not happen in…

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## [Android app crashes on start meeting, after update Zoom SDK 4.6.21666.0427 to 5.0.24437.0708](https://devforum.zoom.us/t/android-app-crashes-on-start-meeting-after-update-zoom-sdk-4-6-21666-0427-to-5-0-24437-0708/24326)

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**Author:** [@nickbutcher1](https://devforum.zoom.us/u/nickbutcher1)\
**Replies:** 4\
**Last updated:** [July 17, 2020, 10:40am UTC](https://devforum.zoom.us/t/android-app-crashes-on-start-meeting-after-update-zoom-sdk-4-6-21666-0427-to-5-0-24437-0708/24326 "2020-07-17T10:40:51Z")

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Description My app worked fine with Zoom SDK 4.6.21666.0427. I updated to use 5.0.24437.0708. The app now crashes after calling MeetingService.joinMeetingWithParams like this: android.app.RemoteServiceException: Bad …

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## ["Connecting" overlay blocks entire screen](https://devforum.zoom.us/t/connecting-overlay-blocks-entire-screen/23608)

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**Author:** [@vuzix\_greg](https://devforum.zoom.us/u/vuzix_greg)\
**Replies:** 1\
**Last updated:** [July 16, 2020, 6:51am UTC](https://devforum.zoom.us/t/connecting-overlay-blocks-entire-screen/23608 "2020-07-16T06:51:11Z")

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After upgrading to SDK v5.0.24433.0616, I’m noticing a new blue “Connecting” overlay appearing right after you get admitted from the waiting room. This is happening when requesting a custom UI and blocks the entire scree…

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## [QA UI not available for webinar attendee on Android SDK](https://devforum.zoom.us/t/qa-ui-not-available-for-webinar-attendee-on-android-sdk/23533)

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**Author:** [@daniel3](https://devforum.zoom.us/u/daniel3)\
**Replies:** 1\
**Last updated:** [July 16, 2020, 6:43am UTC](https://devforum.zoom.us/t/qa-ui-not-available-for-webinar-attendee-on-android-sdk/23533 "2020-07-16T06:43:23Z")

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When trying to display the QA screen as an webinar attendee, method “mInMeetingService.getInMeetingQAController().isQAEnabled()” always returns false for an attendee role, even if the QA is enabled on that webinar. For a…

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## [What is error code 3070 means?](https://devforum.zoom.us/t/what-is-error-code-3070-means/3013)

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**Author:** [@water42](https://devforum.zoom.us/u/water42)\
**Replies:** 6\
**Last updated:** [July 11, 2020, 2:09am UTC](https://devforum.zoom.us/t/what-is-error-code-3070-means/3013 "2020-07-11T02:09:05Z")

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I got error code 3070 in callback of PreMeetingServic.scheduleMeeting, what does it mean ?

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## [I got error code 3070 in callback of PreMeetingServic.scheduleMeeting, when meeting time 2/3 hour greater than current time](https://devforum.zoom.us/t/i-got-error-code-3070-in-callback-of-premeetingservic-schedulemeeting-when-meeting-time-2-3-hour-greater-than-current-time/23125)

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**Author:** [@manjeetbrar91](https://devforum.zoom.us/u/manjeetbrar91)\
**Replies:** 3\
**Last updated:** [July 11, 2020, 2:08am UTC](https://devforum.zoom.us/t/i-got-error-code-3070-in-callback-of-premeetingservic-schedulemeeting-when-meeting-time-2-3-hour-greater-than-current-time/23125 "2020-07-11T02:08:35Z")

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if premeeting schedule time greater (5/10 min or time of next day) from current time then meeting schedule return meeting number, but if i try schedule meeting for 1 or 2 hour after current time then it gives error 3070

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## [Not able to find class APIUserConstants.java as mentioned in documentation](https://devforum.zoom.us/t/not-able-to-find-class-apiuserconstants-java-as-mentioned-in-documentation/23764)

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**Author:** [@pawan](https://devforum.zoom.us/u/pawan)\
**Replies:** 1\
**Last updated:** [July 11, 2020, 2:00am UTC](https://devforum.zoom.us/t/not-able-to-find-class-apiuserconstants-java-as-mentioned-in-documentation/23764 "2020-07-11T02:00:48Z")

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Hello Team, I’m working on Android SDK integration, but not able to find class APIUserConstants.java for adding api\_key, secret and user\_id. Also AuthConstants.java don’t have APP\_KEY, APP\_SECRET variables to add app\_k…

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## [Urgent - Unable to stop service](https://devforum.zoom.us/t/urgent-unable-to-stop-service/19751)

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**Author:** [@helloparent](https://devforum.zoom.us/u/helloparent)\
**Replies:** 6\
**Last updated:** [July 11, 2020, 1:45am UTC](https://devforum.zoom.us/t/urgent-unable-to-stop-service/19751 "2020-07-11T01:45:45Z")

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1- Caused by java.lang.NullPointerException Attempt to invoke virtual method ‘android.content.SharedPreferences android.content.Context.getSharedPreferences(java.lang.String, int)’ on a null object reference com.zipow.…

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## [Can't start custom UI activity](https://devforum.zoom.us/t/cant-start-custom-ui-activity/23510)

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**Author:** [@hoanghuynh296](https://devforum.zoom.us/u/hoanghuynh296)\
**Replies:** 3\
**Last updated:** [July 11, 2020, 1:16am UTC](https://devforum.zoom.us/t/cant-start-custom-ui-activity/23510 "2020-07-11T01:16:05Z")

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Description Hi, I’ve read document about customize meeting UI. Here’s what I’ve done: create VideoCall activity extends MeetingActivity Create config file with zm\_config\_conf\_activity: vn.semicolon.demozoom.VideoCall …

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## [Joining an existing meeting fails and results in a blank screen](https://devforum.zoom.us/t/joining-an-existing-meeting-fails-and-results-in-a-blank-screen/23593)

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**Author:** [@caleb.c](https://devforum.zoom.us/u/caleb.c)\
**Replies:** 2\
**Last updated:** [July 11, 2020, 12:44am UTC](https://devforum.zoom.us/t/joining-an-existing-meeting-fails-and-results-in-a-blank-screen/23593 "2020-07-11T00:44:44Z")

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Description Video: Imgur: The magic of the Internet When attempting to join an existing meeting via meetingService.joinMeetingWithParams(), a “Preparing meeting…” screen is shown, quickly followed by a blank screen. No…

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## [Trouble while starting the meeting in the latest version](https://devforum.zoom.us/t/trouble-while-starting-the-meeting-in-the-latest-version/23104)

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**Author:** [@abhishekt](https://devforum.zoom.us/u/abhishekt)\
**Replies:** 11\
**Last updated:** [July 11, 2020, 12:20am UTC](https://devforum.zoom.us/t/trouble-while-starting-the-meeting-in-the-latest-version/23104 "2020-07-11T00:20:34Z")

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Description Hi Team, I am finding trouble while starting the meeting from android SDK. It was working totally fine before until I upgraded to latest version which was released on July 1st 2020 (v5.0.24433.0616). As i c…

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## [Audio Noise when speaking](https://devforum.zoom.us/t/audio-noise-when-speaking/20845)

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**Author:** [@wpeng](https://devforum.zoom.us/u/wpeng)\
**Replies:** 8\
**Last updated:** [July 10, 2020, 8:01am UTC](https://devforum.zoom.us/t/audio-noise-when-speaking/20845 "2020-07-10T08:01:50Z")

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Description Use Android SDK to Start or Join Meeting , someone say some words, then there is a noise at the begining of the word. (like a Flapping microphone，just some millisecond) It can’t reproduce step by step. Su…

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## [How to validate a meetingId before joining?](https://devforum.zoom.us/t/how-to-validate-a-meetingid-before-joining/22979)

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**Author:** [@jasmineakkal0316](https://devforum.zoom.us/u/jasmineakkal0316)\
**Replies:** 4\
**Last updated:** [July 8, 2020, 7:36am UTC](https://devforum.zoom.us/t/how-to-validate-a-meetingid-before-joining/22979 "2020-07-08T07:36:11Z")

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Description I am using the latest zoom Android SDK. Do you know if there’s a way to check if the meetingId I am putting is valid or not before calling ZoomSDK.getInstance().getMeetingService().joinMeetingWithParams(this…

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## [I can't delete the topic!](https://devforum.zoom.us/t/i-cant-delete-the-topic/23400)

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**Author:** [@soja0524](https://devforum.zoom.us/u/soja0524)\
**Replies:** 1\
**Last updated:** [July 8, 2020, 7:16am UTC](https://devforum.zoom.us/t/i-cant-delete-the-topic/23400 "2020-07-08T07:16:43Z")

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I can’t delete the topic!I can’t delete the topic! I solved the problem :slight\_smile:

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## [\[ 3rd Party Camera\] Samsung Gear 360 + ZOOM Android SDK](https://devforum.zoom.us/t/3rd-party-camera-samsung-gear-360-zoom-android-sdk/2728)

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**Author:** [@timetravellers](https://devforum.zoom.us/u/timetravellers)\
**Replies:** 3\
**Last updated:** [July 8, 2020, 7:15am UTC](https://devforum.zoom.us/t/3rd-party-camera-samsung-gear-360-zoom-android-sdk/2728 "2020-07-08T07:15:10Z")

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We need to use Samsung Gear 360 with Zoom Android SDK. But, when we use switchToNextCamera method within your “sample” app it only switch between integrated cameras of the device (S8+). Is Samsung Gear 360 camera types…

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## [Android resource linking failed in jetified-mobilertc AndroidManifest.xml](https://devforum.zoom.us/t/android-resource-linking-failed-in-jetified-mobilertc-androidmanifest-xml/19359)

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**Author:** [@jaibhuvaneshwari.pet](https://devforum.zoom.us/u/jaibhuvaneshwari.pet)\
**Replies:** 7\
**Last updated:** [July 8, 2020, 6:43am UTC](https://devforum.zoom.us/t/android-resource-linking-failed-in-jetified-mobilertc-androidmanifest-xml/19359 "2020-07-08T06:43:23Z")

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Description Facing compiler error “Android resource linking failed” in jetified-mobilertc AndroidManifest.xml Android Compile SDK version 28 Minimum SDK version 21 Java 1.8 Migrated app to android X Zoom sdk versio…

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## [Initialize(android.content.Context, java.lang.String, us.zoom.sdk.ZoomSDKInitializeListener)' is deprecated](https://devforum.zoom.us/t/initialize-android-content-context-java-lang-string-us-zoom-sdk-zoomsdkinitializelistener-is-deprecated/22060)

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**Author:** [@Tobiak](https://devforum.zoom.us/u/Tobiak)\
**Replies:** 5\
**Last updated:** [July 8, 2020, 6:41am UTC](https://devforum.zoom.us/t/initialize-android-content-context-java-lang-string-us-zoom-sdk-zoomsdkinitializelistener-is-deprecated/22060 "2020-07-08T06:41:51Z")

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Description My app closes entirely each time I try to launch zoom. logcat refers me to this line in my code; zoomSDK.initialize(this, APP\_KEY, APP\_SECRET, WEB\_DOMAIN, this); Which version? v4.6.21666.0429 Screenshot…

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## [Zoom ask users to Upgrade their plan](https://devforum.zoom.us/t/zoom-ask-users-to-upgrade-their-plan/22877)

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**Author:** [@helloparent](https://devforum.zoom.us/u/helloparent)\
**Replies:** 1\
**Last updated:** [July 8, 2020, 5:51am UTC](https://devforum.zoom.us/t/zoom-ask-users-to-upgrade-their-plan/22877 "2020-07-08T05:51:39Z")

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Hi, Zoom has started asking our teachers to upgrade to the paid plan. How can we stop showing these popups? We have integrated Zoom Android SDK in our app. Regards

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## [Is there a way to de-init the zoom sdk?](https://devforum.zoom.us/t/is-there-a-way-to-de-init-the-zoom-sdk/22997)

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**Author:** [@sa159871](https://devforum.zoom.us/u/sa159871)\
**Replies:** 2\
**Last updated:** [July 8, 2020, 5:50am UTC](https://devforum.zoom.us/t/is-there-a-way-to-de-init-the-zoom-sdk/22997 "2020-07-08T05:50:33Z")

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Description Is there a way to deinit or remove or set the instance as null after leaving the meeting or at the end of the meeting?

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## [Calling .switchToNextCamera() freezes participants video preview window](https://devforum.zoom.us/t/calling-switchtonextcamera-freezes-participants-video-preview-window/14506)

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**Author:** [@moe.hamoud.cdx](https://devforum.zoom.us/u/moe.hamoud.cdx)\
**Replies:** 10\
**Last updated:** [July 7, 2020, 9:13am UTC](https://devforum.zoom.us/t/calling-switchtonextcamera-freezes-participants-video-preview-window/14506 "2020-07-07T09:13:56Z")

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Description Whenever I call .switchToNextCamera() in our custom UI code the participants video window freezes and no longer shows whats happening on the feed unless I tap on the video preview to expand it to full view, …

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## [No error service with wrong password](https://devforum.zoom.us/t/no-error-service-with-wrong-password/22793)

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**Author:** [@elias.ferreira](https://devforum.zoom.us/u/elias.ferreira)\
**Replies:** 7\
**Last updated:** [July 7, 2020, 6:16am UTC](https://devforum.zoom.us/t/no-error-service-with-wrong-password/22793 "2020-07-07T06:16:13Z")

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Description Trying to join into a meeting, if type a wrong room number, i got the service response as expected, but, if only the room password is wrong, i have no response, no log. Any help? Which version? v4.6.21666.…

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## [Getting the ARR files into my own project](https://devforum.zoom.us/t/getting-the-arr-files-into-my-own-project/14573)

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**Author:** [@shay3112](https://devforum.zoom.us/u/shay3112)\
**Replies:** 3\
**Last updated:** [July 3, 2020, 8:19am UTC](https://devforum.zoom.us/t/getting-the-arr-files-into-my-own-project/14573 "2020-07-03T08:19:47Z")

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Description I’m pretty sure this question has been asked here a few times, but i can’t seem to find it. I’m trying to implement zoom in my application and I’m following this guide \> https://marketplace.zoom.us/docs/sd…

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## [Youtube video is not audible while playing](https://devforum.zoom.us/t/youtube-video-is-not-audible-while-playing/20436)

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**Author:** [@helloparent](https://devforum.zoom.us/u/helloparent)\
**Replies:** 3\
**Last updated:** [July 3, 2020, 7:00am UTC](https://devforum.zoom.us/t/youtube-video-is-not-audible-while-playing/20436 "2020-07-03T07:00:26Z")

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Hi, We are trying to play a Youtube Video and a video on our mobile phone using Android SDK. While sharing the screen, the participants are not able to hear the audio of the video. We have tried the options: Share Scre…

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## [Opening Zoom app using meeting Id & Password](https://devforum.zoom.us/t/opening-zoom-app-using-meeting-id-password/22624)

<div class="topic-metadata">

**Author:** [@amar.gupta](https://devforum.zoom.us/u/amar.gupta)\
**Replies:** 1\
**Last updated:** [July 3, 2020, 6:42am UTC](https://devforum.zoom.us/t/opening-zoom-app-using-meeting-id-password/22624 "2020-07-03T06:42:33Z")

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Hi sir, For some corner cases I want to open zoom app from my mobile app using meeting id and password. private void launchZoomClient() { PackageManager pm = getPackageManager(); Intent intent = pm.getLaunchInt…

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## [SDK silently releases and and reconnects to the camera](https://devforum.zoom.us/t/sdk-silently-releases-and-and-reconnects-to-the-camera/21511)

<div class="topic-metadata">

**Author:** [@vuzix\_greg](https://devforum.zoom.us/u/vuzix_greg)\
**Replies:** 6\
**Last updated:** [July 3, 2020, 6:22am UTC](https://devforum.zoom.us/t/sdk-silently-releases-and-and-reconnects-to-the-camera/21511 "2020-07-03T06:22:52Z")

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Using SDK version v4.6.21666.0429. Before we start a meeting, we use ZoomSDK.getMeetingSettingsHelper().enable720p(true) to request 720p. Usually, this request is not honored and the outgoing video will be stuck at 360p…

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## [AppContext.java line 1 com.zipow.cmmlib.AppContext.\<clinit\>](https://devforum.zoom.us/t/appcontext-java-line-1-com-zipow-cmmlib-appcontext-clinit/22673)

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**Author:** [@sa159871](https://devforum.zoom.us/u/sa159871)\
**Replies:** 1\
**Last updated:** [July 3, 2020, 5:51am UTC](https://devforum.zoom.us/t/appcontext-java-line-1-com-zipow-cmmlib-appcontext-clinit/22673 "2020-07-03T05:51:28Z")

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Description Error throwing .so file not found. Which version? Latest Zoom SDK version v4.6.21666.0429 Fatal Exception: java.lang.UnsatisfiedLinkError: dalvik.system.PathClassLoader\[DexPathList\[\[zip file "/mnt/expand/…

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