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
onCreate(Bundle icicle)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 
setupView()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 
showStatus(CharSequence statusMsg)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 
getPin()98     private String getPin() {
99         return mPinField.getText().toString();
100     }
101 
enableIccPin()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 
handleResult(AsyncResult ar)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 
log(String msg)142     private void log(String msg) {
143         Log.d(LOG_TAG, "[EnableIccPin] " + msg);
144     }
145 }
146