Merge "Add system default label for dialer app." into qt-dev

    <!-- Summary of a default app when there is no app set [CHAR LIMIT=60] -->

    <string name="default_app_none">None</string>

    <!-- Label for a system default app [CHAR LIMIT=60] -->

    <string name="default_app_system_default">(System default)</string>

    <!-- Label when there are no apps available for a default app [CHAR LIMIT=30] -->

    <string name="default_app_no_apps">No apps</string>

package com.android.packageinstaller.role.model;

import android.content.Context;

import android.content.pm.ApplicationInfo;

import android.os.UserHandle;

import android.telecom.TelecomManager;

import android.telephony.TelephonyManager;

import androidx.annotation.NonNull;

import androidx.annotation.Nullable;

import androidx.preference.Preference;

import com.android.permissioncontroller.R;

import java.util.Objects;

/**

 * Class for behavior of the dialer role.

        return telephonyManager.isVoiceCapable();

    }

    @Override

    public void prepareApplicationPreferenceAsUser(@NonNull Role role,

            @NonNull Preference preference, @NonNull ApplicationInfo applicationInfo,

            @NonNull UserHandle user, @NonNull Context context) {

        TelecomManager telecomManager = context.getSystemService(TelecomManager.class);

        String systemPackageName = telecomManager.getSystemDialerPackage();

        if (Objects.equals(applicationInfo.packageName, systemPackageName)) {

            preference.setSummary(R.string.default_app_system_default);

        } else {

            preference.setSummary(null);

        }

    }

    @Nullable

    @Override

    public CharSequence getConfirmationMessage(@NonNull Role role, @NonNull String packageName,