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      1 /*
      2  * Copyright (C) 2007 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.stk;
     18 
     19 import com.android.internal.telephony.cat.CatLog;
     20 import com.android.internal.telephony.PhoneConstants;
     21 import com.android.internal.telephony.TelephonyProperties;
     22 
     23 import android.content.ComponentName;
     24 import android.content.Context;
     25 import android.content.pm.PackageManager;
     26 import android.telephony.TelephonyManager;
     27 import android.os.SystemProperties;
     28 
     29 /**
     30  * Application installer for SIM Toolkit.
     31  *
     32  */
     33 abstract class StkAppInstaller {
     34     private static final String STK_MAIN_ACTIVITY = "com.android.stk.StkMain";
     35     private static final String LOG_TAG = "StkAppInstaller";
     36 
     37     private StkAppInstaller() {
     38         CatLog.d(LOG_TAG, "init");
     39     }
     40 
     41     public static void install(Context context) {
     42         setAppState(context, true);
     43     }
     44 
     45     public static void unInstall(Context context) {
     46         setAppState(context, false);
     47     }
     48 
     49     private static void setAppState(Context context, boolean install) {
     50         CatLog.d(LOG_TAG, "[setAppState]+");
     51         if (context == null) {
     52             CatLog.d(LOG_TAG, "[setAppState]- no context, just return.");
     53             return;
     54         }
     55         PackageManager pm = context.getPackageManager();
     56         if (pm == null) {
     57             CatLog.d(LOG_TAG, "[setAppState]- no package manager, just return.");
     58             return;
     59         }
     60         ComponentName cName = new ComponentName("com.android.stk", STK_MAIN_ACTIVITY);
     61         int state = install ? PackageManager.COMPONENT_ENABLED_STATE_ENABLED
     62                 : PackageManager.COMPONENT_ENABLED_STATE_DISABLED;
     63 
     64         if (((PackageManager.COMPONENT_ENABLED_STATE_ENABLED == state) &&
     65                 (PackageManager.COMPONENT_ENABLED_STATE_ENABLED ==
     66                 pm.getComponentEnabledSetting(cName))) ||
     67                 ((PackageManager.COMPONENT_ENABLED_STATE_DISABLED == state) &&
     68                 (PackageManager.COMPONENT_ENABLED_STATE_DISABLED ==
     69                 pm.getComponentEnabledSetting(cName)))) {
     70             CatLog.d(LOG_TAG, "Need not change app state!!");
     71         } else {
     72             CatLog.d(LOG_TAG, "Change app state[" + install + "]");
     73             try {
     74                 pm.setComponentEnabledSetting(cName, state, PackageManager.DONT_KILL_APP);
     75             } catch (Exception e) {
     76                 CatLog.d(LOG_TAG, "Could not change STK app state");
     77             }
     78         }
     79         CatLog.d(LOG_TAG, "[setAppState]-");
     80     }
     81 }
     82