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‎src/main/java/com/afwsamples/testdpc/policy/EsimControlFragment.java

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/*
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* Copyright (C) 2024 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.afwsamples.testdpc.policy;
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import android.annotation.TargetApi;
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import android.app.Activity;
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import android.app.AlertDialog;
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import android.app.PendingIntent;
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import android.app.admin.DevicePolicyManager;
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import android.content.BroadcastReceiver;
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import android.content.Context;
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import android.content.Intent;
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import android.content.IntentFilter;
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import android.os.Build.VERSION_CODES;
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import android.os.Bundle;
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import android.telephony.euicc.DownloadableSubscription;
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import android.telephony.euicc.EuiccManager;
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import android.util.Log;
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import android.view.View;
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import android.widget.CheckBox;
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import android.widget.EditText;
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import android.widget.Toast;
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import androidx.core.content.ContextCompat;
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import androidx.preference.Preference;
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import com.afwsamples.testdpc.R;
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import com.afwsamples.testdpc.common.BaseSearchablePolicyPreferenceFragment;
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import com.afwsamples.testdpc.common.ReflectionUtil;
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import com.afwsamples.testdpc.common.ReflectionUtil.ReflectionIsTemporaryException;
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import com.afwsamples.testdpc.common.preference.DpcPreference;
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import java.util.Set;
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/** Fragment to control eSIMs. */
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@TargetApi(VERSION_CODES.VANILLA_ICE_CREAM)
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public class EsimControlFragment extends BaseSearchablePolicyPreferenceFragment
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implements Preference.OnPreferenceClickListener, Preference.OnPreferenceChangeListener {
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private static final String TAG = EsimControlFragment.class.getSimpleName();
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private static final String DOWNLOADE_ESIM = "download_esim";
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private static final String DELETE_ESIM = "delete_esim";
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private static final String GET_MANAGED_ESIM = "get_managed_esim";
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private static final String ACTION_DOWNLOAD_ESIM = "com.afwsamples.testdpc.esim_download";
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private static final String ACTION_DELETE_ESIM = "com.afwsamples.testdpc.esim_delete";
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private DpcPreference mDownloadEsimPreference;
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private DpcPreference mDeleteEsimPreference;
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private DpcPreference mGetManagedEsimPreference;
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private DevicePolicyManager mDevicePolicyManager;
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private EuiccManager mEuiccManager;
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private String getResultText(int resultCode) {
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if (resultCode == EuiccManager.EMBEDDED_SUBSCRIPTION_RESULT_OK) {
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return "EMBEDDED_SUBSCRIPTION_RESULT_OK";
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} else if (resultCode == EuiccManager.EMBEDDED_SUBSCRIPTION_RESULT_RESOLVABLE_ERROR) {
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return "EMBEDDED_SUBSCRIPTION_RESULT_RESOLVABLE_ERROR";
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} else if (resultCode == EuiccManager.EMBEDDED_SUBSCRIPTION_RESULT_ERROR) {
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return "EMBEDDED_SUBSCRIPTION_RESULT_ERROR";
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}
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return "Uknown: " + resultCode;
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}
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@Override
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public void onCreate(Bundle savedInstanceState) {
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mDevicePolicyManager = getActivity().getSystemService(DevicePolicyManager.class);
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mEuiccManager = getActivity().getSystemService(EuiccManager.class);
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getActivity().getActionBar().setTitle(R.string.manage_esim);
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super.onCreate(savedInstanceState);
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}
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private BroadcastReceiver mDownloadESIMReceiver =
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new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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if (!ACTION_DOWNLOAD_ESIM.equals(intent.getAction())) {
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return;
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}
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int detailedCode =
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intent.getIntExtra(EuiccManager.EXTRA_EMBEDDED_SUBSCRIPTION_DETAILED_CODE, -1);
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int errorCode =
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intent.getIntExtra(EuiccManager.EXTRA_EMBEDDED_SUBSCRIPTION_ERROR_CODE, -1);
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Log.v(
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TAG,
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"Download result: resultCode: "
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+ getResultText(getResultCode())
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+ " detailedCode: "
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+ getResultCode()
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+ " detailedCode: "
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+ detailedCode
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+ " errorCode: "
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+ errorCode);
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showToast("Download result: " + getResultText(getResultCode()), Toast.LENGTH_LONG);
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getActivity().unregisterReceiver(mDownloadESIMReceiver);
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}
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};
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private BroadcastReceiver mDeleteESIMReceiver =
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new BroadcastReceiver() {
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@Override
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public void onReceive(Context context, Intent intent) {
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if (!ACTION_DELETE_ESIM.equals(intent.getAction())) {
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return;
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}
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int detailedCode =
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intent.getIntExtra(EuiccManager.EXTRA_EMBEDDED_SUBSCRIPTION_DETAILED_CODE, -1);
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Log.v(
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TAG,
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"Delete result: resultCode: "
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+ getResultText(getResultCode())
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+ " detailedCode: "
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+ detailedCode);
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showToast("Delete result: " + getResultText(getResultCode()), Toast.LENGTH_LONG);
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getActivity().unregisterReceiver(mDeleteESIMReceiver);
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}
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};
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@Override
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public void onCreatePreferences(Bundle savedInstanceState, String rootKey) {
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addPreferencesFromResource(R.xml.esim_control_preferences);
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mDownloadEsimPreference = (DpcPreference) findPreference(DOWNLOADE_ESIM);
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mDownloadEsimPreference.setOnPreferenceClickListener(this);
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mDeleteEsimPreference = (DpcPreference) findPreference(DELETE_ESIM);
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mDeleteEsimPreference.setOnPreferenceClickListener(this);
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mGetManagedEsimPreference = (DpcPreference) findPreference(GET_MANAGED_ESIM);
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mGetManagedEsimPreference.setOnPreferenceClickListener(this);
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}
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@Override
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public boolean isAvailable(Context context) {
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return true;
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}
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@Override
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public boolean onPreferenceChange(Preference preference, Object newValue) {
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return false;
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}
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@Override
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public boolean onPreferenceClick(Preference preference) {
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String key = preference.getKey();
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switch (key) {
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case DOWNLOADE_ESIM:
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showDownloadEsimUi();
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return true;
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case DELETE_ESIM:
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showDeleteEsimUi();
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return true;
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case GET_MANAGED_ESIM:
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showManagedEsimUi();
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return true;
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}
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return false;
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}
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private void showManagedEsimUi() {
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Set<Integer> managedSubIds = getSubscriptionIds();
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new AlertDialog.Builder(getActivity())
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.setTitle(R.string.get_managed_esim_dialog_title)
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.setItems(managedSubIds.stream().map(String::valueOf).toArray(String[]::new), null)
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.show();
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}
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private Set<Integer> getSubscriptionIds() {
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try {
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// TODO: remove reflection code and call directly once V is released.
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return ReflectionUtil.invoke(mDevicePolicyManager, "getSubscriptionIds");
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} catch (ReflectionIsTemporaryException e) {
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Log.e(TAG, "Error invoking getSubscriptionIds", e);
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showToast("Error getting managed esim information.", Toast.LENGTH_LONG);
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}
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return null;
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}
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private void showToast(String msg, int duration) {
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Activity activity = getActivity();
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if (activity == null || activity.isFinishing()) {
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Log.w(TAG, "Not toasting '" + msg + "' as activity is finishing or finished");
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return;
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}
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Log.d(TAG, "Showing toast: " + msg);
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Toast.makeText(activity, msg, duration).show();
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}
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private void showDownloadEsimUi() {
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if (getActivity() == null || getActivity().isFinishing()) {
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return;
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}
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final View dialogView =
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getActivity().getLayoutInflater().inflate(R.layout.esim_dialog_layout, null);
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final EditText activationCodeEditText =
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(EditText) dialogView.findViewById(R.id.activation_code);
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final CheckBox activateAfterDownloadCheckBox =
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(CheckBox) dialogView.findViewById(R.id.activate_esim);
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new AlertDialog.Builder(getActivity())
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.setTitle(R.string.esim_activation_code)
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.setView(dialogView)
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.setPositiveButton(
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android.R.string.ok,
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(dialogInterface, i) -> {
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final String activationCodeString = activationCodeEditText.getText().toString();
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startEsimDownload(activationCodeString, activateAfterDownloadCheckBox.isChecked());
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})
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.setNegativeButton(android.R.string.cancel, null)
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.show();
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}
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private void showDeleteEsimUi() {
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if (getActivity() == null || getActivity().isFinishing()) {
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return;
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}
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final View dialogView =
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getActivity().getLayoutInflater().inflate(R.layout.simple_edittext, null);
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final EditText subIdEditText = dialogView.findViewById(R.id.input);
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new AlertDialog.Builder(getActivity())
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.setTitle(R.string.delete_esim_dialog_title)
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.setView(dialogView)
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.setPositiveButton(
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android.R.string.ok,
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(dialogInterface, i) -> {
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final String subId = subIdEditText.getText().toString();
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deleteEsim(Integer.parseInt(subId));
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})
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.setNegativeButton(android.R.string.cancel, null)
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.show();
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}
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private void startEsimDownload(String activationCode, boolean switchAfterDownload) {
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ContextCompat.registerReceiver(
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getActivity(),
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mDownloadESIMReceiver,
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new IntentFilter(ACTION_DOWNLOAD_ESIM),
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ContextCompat.RECEIVER_EXPORTED);
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DownloadableSubscription downloadableSubscription =
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DownloadableSubscription.forActivationCode(activationCode);
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PendingIntent pi =
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PendingIntent.getBroadcast(
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getActivity(),
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0,
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new Intent(ACTION_DOWNLOAD_ESIM),
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PendingIntent.FLAG_MUTABLE | PendingIntent.FLAG_ALLOW_UNSAFE_IMPLICIT_INTENT);
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mEuiccManager.downloadSubscription(downloadableSubscription, switchAfterDownload, pi);
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Log.v(
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TAG,
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"started downloading eSIM, "
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+ "activationCode : "
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+ activationCode
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+ ", switchAfterDownload : "
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+ switchAfterDownload);
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showToast("started downloading eSIM", Toast.LENGTH_LONG);
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}
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private void deleteEsim(int subId) {
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ContextCompat.registerReceiver(
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getActivity(),
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mDeleteESIMReceiver,
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new IntentFilter(ACTION_DELETE_ESIM),
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ContextCompat.RECEIVER_EXPORTED);
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PendingIntent pi =
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PendingIntent.getBroadcast(
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getActivity(),
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0,
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new Intent(),
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PendingIntent.FLAG_UPDATE_CURRENT | PendingIntent.FLAG_IMMUTABLE);
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mEuiccManager.deleteSubscription(subId, pi);
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showToast("started deleting eSIM", Toast.LENGTH_LONG);
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}
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}

‎src/main/java/com/afwsamples/testdpc/policy/PolicyManagementFragment.java

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"credential_manager_set_blocklist";
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private static final String CREDENTIAL_MANAGER_CLEAR_POLICY_KEY =
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"credential_manager_clear_policy";
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private static final String MANAGE_ESIM_KEY = "manage_esim";
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private static final String BATTERY_PLUGGED_ANY =
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Integer.toString(
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.setOnPreferenceClickListener(this);
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findPreference(CREDENTIAL_MANAGER_SET_BLOCKLIST_KEY).setOnPreferenceClickListener(this);
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findPreference(CREDENTIAL_MANAGER_CLEAR_POLICY_KEY).setOnPreferenceClickListener(this);
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findPreference(MANAGE_ESIM_KEY).setOnPreferenceClickListener(this);
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DpcPreference bindDeviceAdminPreference =
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(DpcPreference) findPreference(BIND_DEVICE_ADMIN_POLICIES);
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} else if (CREDENTIAL_MANAGER_CLEAR_POLICY_KEY.equals(key)) {
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resetCredentialManagerPolicy();
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return true;
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} else if (MANAGE_ESIM_KEY.equals(key)) {
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showFragment(new EsimControlFragment());
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return true;
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}
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return false;
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}

‎src/main/res/layout/esim_dialog_layout.xml

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<?xml version="1.0" encoding="utf-8"?>
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<!--
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Copyright (C) 2024 The Android Open Source Project
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Licensed under the Apache License, Version 2.0 (the "License");
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you may not use this file except in compliance with the License.
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You may obtain a copy of the License at
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http://www.apache.org/licenses/LICENSE-2.0
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Unless required by applicable law or agreed to in writing, software
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distributed under the License is distributed on an "AS IS" BASIS,
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WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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See the License for the specific language governing permissions and
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limitations under the License.
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-->
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<ScrollView xmlns:android="http://schemas.android.com/apk/res/android"
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xmlns:tools="http://schemas.android.com/tools"
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android:layout_width="match_parent"
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android:layout_height="wrap_content">
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<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
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android:id="@+id/progress_layout"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:orientation="vertical">
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<EditText
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android:id="@+id/activation_code"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:inputType="text"
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android:singleLine="true" />
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<CheckBox
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android:id="@+id/activate_esim"
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android:layout_width="match_parent"
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android:layout_height="wrap_content"
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android:text="Activate after download" />
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</LinearLayout>
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</ScrollView>

‎src/main/res/values/attrs.xml

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<enum name="S_V2" value="32" />
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<enum name="T" value="33" />
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<enum name="U" value="34" />
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<!-- Change to V API level once released. -->
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<enum name="V" value="10000" />
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</attr>
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<!-- Constrain a preference to DO or PO admins. -->

‎src/main/res/values/strings.xml

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<string name="disable_cross_profile_caller_id">Disable cross-profile caller ID</string>
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<string name="disable_cross_profile_contacts_search">Disable cross-profile contacts search</string>
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<!-- Strings for telephony -->
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<string name="telephony_title">Telephony</string>
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<!-- Strings for APN -->
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<string name="override_apn_title">Override APN management</string>
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<string name="manage_override_apn">Manage override APNs</string>
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<string name="apn_mvno_type">MVNO type</string>
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<string name="apn_numeric_hint">Numeric=MCC+MNC</string>
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<!-- Strings for eSIM controls-->
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<string name="esim_management">eSIM Management</string>
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<string name="manage_esim"> Manage eSIM</string>
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<string name="download_esim">Download eSIM</string>
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<string name="esim_activation_code">Enter activation code</string>
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<string name="delete_esim_dialog_title">Enter subId of the eSIM to delete</string>
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<string name="get_managed_esim_dialog_title">List of managed eSIMs subId</string>
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<string name="delete_esim">Delete eSIM</string>
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<string name="get_managed_esim">Get managed eSIM</string>
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<string name="apn_entry_name_cannot_be_empty">Entry name cannot be empty</string>
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<string name="apn_name_cannot_be_empty">APN name cannot be empty</string>
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<string name="apn_type_cannot_be_zero">Apn type bitmask cannot be empty or zero</string>

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