[Call Screening]Handling Package Uninstall

            </intent-filter>

        </receiver>

        <receiver android:name=".components.PhoneAccountBroadcastReceiver"

        <receiver android:name=".components.AppUninstallBroadcastReceiver"

                android:process="system">

            <intent-filter>

                <action android:name="android.intent.action.PACKAGE_FULLY_REMOVED" />

import com.android.server.telecom.PhoneAccountRegistrar;

import android.content.BroadcastReceiver;

import android.content.ComponentName;

import android.content.Context;

import android.content.Intent;

import android.net.Uri;

import android.os.UserHandle;

import android.provider.Settings;

import android.telecom.TelecomManager;

import java.lang.String;

 * Captures {@code android.intent.action.ACTION_PACKAGE_FULLY_REMOVED} intents and triggers the

 * removal of associated {@link android.telecom.PhoneAccount}s via the

 * {@link com.android.telecom.PhoneAccountRegistrar}.

 *

 * Note: This class listens for the {@code PACKAGE_FULLY_REMOVED} intent rather than

 * {@code PACKAGE_REMOVED} as {@code PACKAGE_REMOVED} is triggered on re-installation of the same

 * package, where {@code PACKAGE_FULLY_REMOVED} is triggered only when an application is completely

 * uninstalled.  This is desirable as we do not wish to un-register all

 * uninstalled.

 *

 * This is desirable as we do not wish to un-register all

 * {@link android.telecom.PhoneAccount}s associated with a package being re-installed to ensure

 * the enabled state of the accounts is retained.

 *

 * When default call screening application is removed, set

 * {@link Settings.Secure.CALL_SCREENING_DEFAULT_APPLICATION} as null into provider.

 */

public class PhoneAccountBroadcastReceiver extends BroadcastReceiver {

public class AppUninstallBroadcastReceiver extends BroadcastReceiver {

    /**

     * Receives the intents the class is configured to received.

     *

            String packageName = uri.getSchemeSpecificPart();

            handlePackageRemoved(context, packageName);

            handleUninstallOfCallScreeningService(context, packageName);

        }

    }

            telecomManager.clearAccountsForPackage(packageName);

        }

    }

    private void handleUninstallOfCallScreeningService(Context context, String packageName) {

        String defaultCallScreeningApp = Settings.Secure

            .getStringForUser(context.getContentResolver(),

                Settings.Secure.CALL_SCREENING_DEFAULT_COMPONENT, UserHandle.USER_CURRENT);

        ComponentName componentName = ComponentName.unflattenFromString(defaultCallScreeningApp);

        if (componentName != null && componentName.getPackageName().equals(packageName)) {

            Settings.Secure.putStringForUser(context.getContentResolver(),

                Settings.Secure.CALL_SCREENING_DEFAULT_COMPONENT, null, UserHandle.USER_CURRENT);

        }

    }

}