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      1 /*
      2  * Copyright (C) 2006 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.phone;
     18 
     19 import android.app.Activity;
     20 import android.os.AsyncResult;
     21 import android.os.Bundle;
     22 import android.os.Handler;
     23 import android.os.Message;
     24 import android.text.TextUtils;
     25 import android.text.method.DigitsKeyListener;
     26 import android.util.Log;
     27 import android.view.View;
     28 import android.widget.EditText;
     29 import android.widget.LinearLayout;
     30 import android.widget.TextView;
     31 
     32 import com.android.internal.telephony.CommandException;
     33 import com.android.internal.telephony.Phone;
     34 
     35 /**
     36  * UI to enable/disable the ICC PIN.
     37  */
     38 public class EnableIccPinScreen extends Activity {
     39     private static final String LOG_TAG = PhoneGlobals.LOG_TAG;
     40 
     41     private static final int ENABLE_ICC_PIN_COMPLETE = 100;
     42     private static final boolean DBG = false;
     43 
     44     private LinearLayout mPinFieldContainer;
     45     private EditText mPinField;
     46     private TextView mStatusField;
     47     private boolean mEnable;
     48     private Phone mPhone;
     49 
     50     private Handler mHandler = new Handler() {
     51         public void handleMessage(Message msg) {
     52             switch (msg.what) {
     53                 case ENABLE_ICC_PIN_COMPLETE:
     54                     AsyncResult ar = (AsyncResult) msg.obj;
     55                     handleResult(ar);
     56                     break;
     57             }
     58 
     59             return;
     60         }
     61     };
     62 
     63     @Override
     64     protected void onCreate(Bundle icicle) {
     65         super.onCreate(icicle);
     66 
     67         setContentView(R.layout.enable_sim_pin_screen);
     68         setupView();
     69 
     70         mPhone = PhoneGlobals.getPhone();
     71         mEnable = !mPhone.getIccCard().getIccLockEnabled();
     72 
     73         int id = mEnable ? R.string.enable_sim_pin : R.string.disable_sim_pin;
     74         setTitle(getResources().getText(id));
     75     }
     76 
     77     private void setupView() {
     78         mPinField = (EditText) findViewById(R.id.pin);
     79         mPinField.setKeyListener(DigitsKeyListener.getInstance());
     80         mPinField.setMovementMethod(null);
     81         mPinField.setOnClickListener(mClicked);
     82 
     83         mPinFieldContainer = (LinearLayout) findViewById(R.id.pinc);
     84         mStatusField = (TextView) findViewById(R.id.status);
     85     }
     86 
     87     private void showStatus(CharSequence statusMsg) {
     88         if (statusMsg != null) {
     89             mStatusField.setText(statusMsg);
     90             mStatusField.setVisibility(View.VISIBLE);
     91             mPinFieldContainer.setVisibility(View.GONE);
     92         } else {
     93             mPinFieldContainer.setVisibility(View.VISIBLE);
     94             mStatusField.setVisibility(View.GONE);
     95         }
     96     }
     97 
     98     private String getPin() {
     99         return mPinField.getText().toString();
    100     }
    101 
    102     private void enableIccPin() {
    103         Message callback = Message.obtain(mHandler, ENABLE_ICC_PIN_COMPLETE);
    104         if (DBG) log("enableIccPin:");
    105         mPhone.getIccCard().setIccLockEnabled(mEnable, getPin(), callback);
    106         if (DBG) log("enableIccPin: please wait...");
    107     }
    108 
    109     private void handleResult(AsyncResult ar) {
    110         if (ar.exception == null) {
    111             if (DBG) log("handleResult: success!");
    112             showStatus(getResources().getText(
    113                     mEnable ? R.string.enable_pin_ok : R.string.disable_pin_ok));
    114         } else if (ar.exception instanceof CommandException
    115                 /* && ((CommandException)ar.exception).getCommandError() ==
    116                     CommandException.Error.GENERIC_FAILURE */ ) {
    117             if (DBG) log("handleResult: failed!");
    118             showStatus(getResources().getText(
    119                     R.string.pin_failed));
    120         }
    121 
    122         mHandler.postDelayed(new Runnable() {
    123             public void run() {
    124                 finish();
    125             }
    126         }, 3000);
    127     }
    128 
    129     private View.OnClickListener mClicked = new View.OnClickListener() {
    130         public void onClick(View v) {
    131             if (TextUtils.isEmpty(mPinField.getText())) {
    132                 return;
    133             }
    134 
    135             showStatus(getResources().getText(
    136                     R.string.enable_in_progress));
    137 
    138             enableIccPin();
    139         }
    140     };
    141 
    142     private void log(String msg) {
    143         Log.d(LOG_TAG, "[EnableIccPin] " + msg);
    144     }
    145 }
    146