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Last updated: 2024-08-15 14:42:54

The error message "The package you purchased does not support this ability"?
If you encounter the above error message, it is because the audio and video call capability package of your current application has expired or has not been activated. You can refer to the service activation guide to claim or activate the audio and video call capability, and then continue to use the TUICallKit component.
When the application is offline, Will it can pop up the call view?
During a one-to-one call, if you come online within the timeout period, an incoming call view will be triggered;  For group calls, if you come online within the timeout period, the last 20 unprocessed group messages will be pulled up, and if a call invitation exists, it will trigger an incoming call. The display strategy for incoming calls see: Incoming call display policy for the callee).
When the application is in the background, Will it can pop up the call view?
1. TUICallKit has two different display policy for the callee, see below: Incoming call display policy for the callee.
2. Before version 2.3 of TUICallKit, to automatically bring the application from the background to the foreground, it was necessary to check whether the app had enabled the "Background self-start" or "Floating window" permission.
Different manufacturers, or even the same manufacturer with different Android versions, offer varying permissions and permission names for applications. For instance, Xiaomi 6 requires only the "Background pop-ups" permissions , while Redmi needs both the "Background pop-ups"  and "Display over other applications" permissions. 
How to enable permissions, see below: Relevant permissions enabled.
3. If you encounter the following scenarios where the call interface cannot be pulled up, the reason is that changes in the application's launch stack caused the CallKitActivity interface to be obscured or removed.
Scenario One: After accept call, if app goes to the background and then click the desktop icon to enter foreground, the CallKitActivity disappears.
Scenario Two: If the app is in the background and when you receive a IncomingNotificationView then click the desktop icon to enter the app, the CallKitActivity didn't show and the IncomingNotificationView disappears.
Scenario Three: When the app is in the background and an offline push notification is received, not clicking the push notification but entering the app via the desktop icon will either fail to bring up the CallKitActivity or cause the CallKitActivityto flash momentarily.
In the above scenarios, you need to add the following code to the default Activity of your app. Each app's default Activity may differ. Refer to the AndroidManifest.xml configuration for more details. Taking the launch page SplashActivity for most applications as an example:
Code
Location
if (!isTaskRoot() && getIntent() != null && getIntent().hasCategory(Intent.CATEGORY_LAUNCHER) 
        && Intent.ACTION_MAIN.equals(getIntent().getAction())) {
    finish();
    return;
}
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Incoming call display policy for the callee
To make TUICallKit adaptable to different business needs, add product features, and improve user experience, TUICallKit version 2.3 and above (Release Log) optimized the call page display pop-up strategy after receiving a call, as detailed below:
Full screen display of incoming call
Banner display of incoming call
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1. If you want the callee to pull up the full-screen call view when receiving a call, you can integrate the tuicallkit-kt code. By default, the incoming call display strategy for the callee is as follows:
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2. If you prefer to show a banner when receiving a call and then pull up the full-screen  as needed, you can enable this feature by calling the following interface.
  TUICallKit.createInstance(context).enableIncomingBanner(true);
Once enabled, the callee's incoming call strategy is as shown below, as long as the floating window permission is enabled, the call banner will be displayed as much as possible.
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Note:
For information on how to enable related permissions, see below: Relevant permissions enabled.
If the incoming call interface doesn't display according to the above strategy, please filter the onCallReceived log to check if a call invitation was received.
Relevant permissions enabled
To ensure a good calling experience, it is recommended to enable "notification" permissions, "Display over other apps(Floating window)" and "Background pop-ups" permissions in your application. The specific methods are as follows:
Manually Enabled
Code guidance
After the application is installed, you can long-press the application Icon, select "Application Information", then enable "notification" permission, "Display over other applications" and "Background pop-ups" permissions. Alternatively, you can go to Mobile Phone > System Settings > Application Management > Application to manually enable these permissions.
Pixel 4a
VIVO
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Notification permissions: For showcasing push notifications: please refer to Notification runtime permissions and Request runtime permissions and implement according to business needs.
Floating window permission: Used for displaying custom incoming call notifications and call floating windows.
Background pop-ups: Used to pop up the interface when the application is in the background (for example: on a VIVO phone).
fun requestPermission(context: Context?) {
    //In TUICallKit,Please open both OverlayWindows and Background pop-ups permission.
    PermissionRequester.newInstance(
         PermissionRequester.FLOAT_PERMISSION, PermissionRequester.BG_START_PERMISSION)
        .request()
}