Common scenarios to check for in you app verification flow for existing Truecaller users
Truecaller app present and registration completed on Truecaller app
Ensure that the Truecaller app is present on your device and you have completed the profile creation step on Truecaller app. Open your app and initiate the Truecaller verification flow. The user should see the Truecaller profile dialog. Click on continue to complete the verification flow and ensure that the verification is completed.
Truecaller app present but registration not completed on Truecaller app
Ensure that the Truecaller app is present on your device but you have not completed the profile creation step on Truecaller app. Open your app and initiate the Truecaller verification flow. The user should not see the Truecaller profile dialog, and you would receive the control in onFailureProfileShared() with the specific error code.
Truecaller app not present on the device
Remove the Truecaller app from your device. Open your app and try to initiate the Truecaller verification flow. The user should not see the Truecaller profile dialog and should be taken to either your alternate verification flow or in case you are using Truecaller SDK's functionality of verifying non-Truecaller users, user should be redirected to that flow.
Network not available on device
Ensure that the Truecaller app is present on your device and you have completed the profile creation step on Truecaller app. Turn off the mobile data and WiFi on your device. Open your app and initiate the Truecaller verification flow. You would see the Truecaller profile dialog. Click on continue button on the dialog, you would receive control in onFailureProfileShared() method with a specific error code.
Client ID should be working fine ( onFailure() Error Type 12)
For complete details on this part, please refer here.
User wishes to proceed with another number OR does not want to share their Truecaller profile
Initiate the Truecaller verification flow in your app to invoke the Truecaller profile dialog. Click on system back or Use another mobile number button on the dialog to dismiss the dialog. In such a scenario, user should be taken to either your alternate verification flow or in case you are using Truecaller SDK's functionality of verifying non-Truecaller users, user should be redirected to that flow.
We also recommend that you go through the FAQ section to go through some of the commonly asked questions.