1 /* 2 * Copyright (C) 2017 The Android Open Source Project 3 * 4 * Licensed under the Apache License, Version 2.0 (the "License"); 5 * you may not use this file except in compliance with the License. 6 * You may obtain a copy of the License at 7 * 8 * http://www.apache.org/licenses/LICENSE-2.0 9 * 10 * Unless required by applicable law or agreed to in writing, software 11 * distributed under the License is distributed on an "AS IS" BASIS, 12 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 13 * See the License for the specific language governing permissions and 14 * limitations under the License. 15 */ 16 17 package com.android.keyguard; 18 19 import android.app.AlertDialog; 20 import android.app.PendingIntent; 21 import android.content.BroadcastReceiver; 22 import android.content.Context; 23 import android.content.Intent; 24 import android.content.IntentFilter; 25 import android.os.UserHandle; 26 import android.telephony.SubscriptionInfo; 27 import android.telephony.SubscriptionManager; 28 import android.telephony.euicc.EuiccManager; 29 import android.util.AttributeSet; 30 import android.util.Log; 31 import android.view.View; 32 import android.view.WindowManager; 33 import android.widget.Button; 34 35 /*** 36 * This button is used by the device with embedded SIM card to disable current carrier to unlock 37 * the device with no cellular service. 38 */ 39 class KeyguardEsimArea extends Button implements View.OnClickListener { 40 private static final String ACTION_DISABLE_ESIM = "com.android.keyguard.disable_esim"; 41 private static final String TAG = "KeyguardEsimArea"; 42 private static final String PERMISSION_SELF = "com.android.systemui.permission.SELF"; 43 44 private EuiccManager mEuiccManager; 45 46 private BroadcastReceiver mReceiver = 47 new BroadcastReceiver() { 48 @Override 49 public void onReceive(Context context, Intent intent) { 50 if (ACTION_DISABLE_ESIM.equals(intent.getAction())) { 51 int resultCode = getResultCode(); 52 if (resultCode != EuiccManager.EMBEDDED_SUBSCRIPTION_RESULT_OK) { 53 Log.e(TAG, "Error disabling esim, result code = " + resultCode); 54 AlertDialog.Builder builder = 55 new AlertDialog.Builder(mContext) 56 .setMessage(R.string.error_disable_esim_msg) 57 .setTitle(R.string.error_disable_esim_title) 58 .setCancelable(false /* cancelable */) 59 .setPositiveButton(R.string.ok, null /* listener */); 60 AlertDialog alertDialog = builder.create(); 61 alertDialog.getWindow().setType( 62 WindowManager.LayoutParams.TYPE_KEYGUARD_DIALOG); 63 alertDialog.show(); 64 } 65 } 66 } 67 }; 68 KeyguardEsimArea(Context context)69 public KeyguardEsimArea(Context context) { 70 this(context, null); 71 } 72 KeyguardEsimArea(Context context, AttributeSet attrs)73 public KeyguardEsimArea(Context context, AttributeSet attrs) { 74 this(context, attrs, 0); 75 } 76 KeyguardEsimArea(Context context, AttributeSet attrs, int defStyleAttr)77 public KeyguardEsimArea(Context context, AttributeSet attrs, int defStyleAttr) { 78 this(context, attrs, defStyleAttr, android.R.style.Widget_Material_Button_Borderless); 79 } 80 KeyguardEsimArea(Context context, AttributeSet attrs, int defStyleAttr, int defStyleRes)81 public KeyguardEsimArea(Context context, AttributeSet attrs, int defStyleAttr, 82 int defStyleRes) { 83 super(context, attrs, defStyleAttr, defStyleRes); 84 mEuiccManager = (EuiccManager) context.getSystemService(Context.EUICC_SERVICE); 85 setOnClickListener(this); 86 } 87 88 @Override onAttachedToWindow()89 protected void onAttachedToWindow() { 90 super.onAttachedToWindow(); 91 mContext.registerReceiver(mReceiver, new IntentFilter(ACTION_DISABLE_ESIM), 92 PERMISSION_SELF, null /* scheduler */); 93 } 94 isEsimLocked(Context context, int subId)95 public static boolean isEsimLocked(Context context, int subId) { 96 EuiccManager euiccManager = 97 (EuiccManager) context.getSystemService(Context.EUICC_SERVICE); 98 if (!euiccManager.isEnabled()) { 99 return false; 100 } 101 SubscriptionInfo sub = SubscriptionManager.from(context).getActiveSubscriptionInfo(subId); 102 return sub != null && sub.isEmbedded(); 103 } 104 105 @Override onDetachedFromWindow()106 protected void onDetachedFromWindow() { 107 mContext.unregisterReceiver(mReceiver); 108 super.onDetachedFromWindow(); 109 } 110 111 @Override onClick(View v)112 public void onClick(View v) { 113 Intent intent = new Intent(ACTION_DISABLE_ESIM); 114 intent.setPackage(mContext.getPackageName()); 115 PendingIntent callbackIntent = PendingIntent.getBroadcastAsUser( 116 mContext, 117 0 /* requestCode */, 118 intent, 119 PendingIntent.FLAG_UPDATE_CURRENT, UserHandle.SYSTEM); 120 mEuiccManager 121 .switchToSubscription(SubscriptionManager.INVALID_SUBSCRIPTION_ID, callbackIntent); 122 } 123 } 124