src/com/android/phone/ChangeIccPinScreen.java - platform/packages/services/Telephony - Git at Google

 /*
  * Copyright (C) 2006 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package com.android.phone;

 import android.app.Activity;
 import android.app.AlertDialog;
 import android.content.Intent;
 import android.content.res.Resources;
 import android.os.AsyncResult;
 import android.os.Bundle;
 import android.os.Handler;
 import android.os.Message;
 import android.text.method.DigitsKeyListener;
 import android.util.Log;
 import android.view.View;
 import android.widget.Button;
 import android.widget.EditText;
 import android.widget.LinearLayout;
 import android.widget.ScrollView;
 import android.widget.TextView;
 import android.widget.Toast;

 import com.android.internal.telephony.CommandException;
 import com.android.internal.telephony.IccCard;
 import com.android.internal.telephony.Phone;

 /**
  * "Change ICC PIN" UI for the Phone app.
  */
 public class ChangeIccPinScreen extends Activity {
     private static final String LOG_TAG = PhoneGlobals.LOG_TAG;
     private static final boolean DBG = false;

     private static final int EVENT_PIN_CHANGED = 100;

     private enum EntryState {
         ES_PIN,
         ES_PUK
     }

     private EntryState mState;

     private static final int NO_ERROR = 0;
     private static final int PIN_MISMATCH = 1;
     private static final int PIN_INVALID_LENGTH = 2;

     private static final int MIN_PIN_LENGTH = 4;
     private static final int MAX_PIN_LENGTH = 8;

     private Phone mPhone;
     private boolean mChangePin2;
     private TextView mBadPinError;
     private TextView mMismatchError;
     private EditText mOldPin;
     private EditText mNewPin1;
     private EditText mNewPin2;
     private EditText mPUKCode;
     private Button mButton;
     private Button mPUKSubmit;
     private ScrollView mScrollView;

     private LinearLayout mIccPUKPanel;

     private Handler mHandler = new Handler() {
         public void handleMessage(Message msg) {
             switch (msg.what) {
                 case EVENT_PIN_CHANGED:
                     AsyncResult ar = (AsyncResult) msg.obj;
                     handleResult(ar);
                     break;
             }

             return;
         }
     };

     public void onCreate(Bundle icicle) {
         super.onCreate(icicle);

         mPhone = PhoneGlobals.getPhone();

         resolveIntent();

         setContentView(R.layout.change_sim_pin_screen);

         mOldPin = (EditText) findViewById(R.id.old_pin);
         mOldPin.setKeyListener(DigitsKeyListener.getInstance());
         mOldPin.setMovementMethod(null);
         mOldPin.setOnClickListener(mClicked);

         mNewPin1 = (EditText) findViewById(R.id.new_pin1);
         mNewPin1.setKeyListener(DigitsKeyListener.getInstance());
         mNewPin1.setMovementMethod(null);
         mNewPin1.setOnClickListener(mClicked);

         mNewPin2 = (EditText) findViewById(R.id.new_pin2);
         mNewPin2.setKeyListener(DigitsKeyListener.getInstance());
         mNewPin2.setMovementMethod(null);
         mNewPin2.setOnClickListener(mClicked);

         mBadPinError = (TextView) findViewById(R.id.bad_pin);
         mMismatchError = (TextView) findViewById(R.id.mismatch);

         mButton = (Button) findViewById(R.id.button);
         mButton.setOnClickListener(mClicked);

         mScrollView = (ScrollView) findViewById(R.id.scroll);

         mPUKCode = (EditText) findViewById(R.id.puk_code);
         mPUKCode.setKeyListener(DigitsKeyListener.getInstance());
         mPUKCode.setMovementMethod(null);
         mPUKCode.setOnClickListener(mClicked);

         mPUKSubmit = (Button) findViewById(R.id.puk_submit);
         mPUKSubmit.setOnClickListener(mClicked);

         mIccPUKPanel = (LinearLayout) findViewById(R.id.puk_panel);

         int id = mChangePin2 ? R.string.change_pin2 : R.string.change_pin;
         setTitle(getResources().getText(id));

         mState = EntryState.ES_PIN;
     }

     private void resolveIntent() {
         Intent intent = getIntent();
         mChangePin2 = intent.getBooleanExtra("pin2", mChangePin2);
     }

     private void reset() {
         mScrollView.scrollTo(0, 0);
         mBadPinError.setVisibility(View.GONE);
         mMismatchError.setVisibility(View.GONE);
     }

     private int validateNewPin(String p1, String p2) {
         if (p1 == null) {
             return PIN_INVALID_LENGTH;
         }

         if (!p1.equals(p2)) {
             return PIN_MISMATCH;
         }

         int len1 = p1.length();

         if (len1 < MIN_PIN_LENGTH || len1 > MAX_PIN_LENGTH) {
             return PIN_INVALID_LENGTH;
         }

         return NO_ERROR;
     }

     private View.OnClickListener mClicked = new View.OnClickListener() {
         public void onClick(View v) {
             if (v == mOldPin) {
                 mNewPin1.requestFocus();
             } else if (v == mNewPin1) {
                 mNewPin2.requestFocus();
             } else if (v == mNewPin2) {
                 mButton.requestFocus();
             } else if (v == mButton) {
                 IccCard iccCardInterface = mPhone.getIccCard();
                 if (iccCardInterface != null) {
                     String oldPin = mOldPin.getText().toString();
                     String newPin1 = mNewPin1.getText().toString();
                     String newPin2 = mNewPin2.getText().toString();

                     int error = validateNewPin(newPin1, newPin2);

                     switch (error) {
                         case PIN_INVALID_LENGTH:
                         case PIN_MISMATCH:
                             mNewPin1.getText().clear();
                             mNewPin2.getText().clear();
                             mMismatchError.setVisibility(View.VISIBLE);

                             Resources r = getResources();
                             CharSequence text;

                             if (error == PIN_MISMATCH) {
                                 text = r.getString(R.string.mismatchPin);
                             } else {
                                 text = r.getString(R.string.invalidPin);
                             }

                             mMismatchError.setText(text);
                             break;

                         default:
                             Message callBack = Message.obtain(mHandler,
                                     EVENT_PIN_CHANGED);

                             if (DBG) log("change pin attempt: old=" + oldPin +
                                     ", newPin=" + newPin1);

                             reset();

                             if (mChangePin2) {
                                 iccCardInterface.changeIccFdnPassword(oldPin,
                                         newPin1, callBack);
                             } else {
                                 iccCardInterface.changeIccLockPassword(oldPin,
                                         newPin1, callBack);
                             }

                             // TODO: show progress panel
                     }
                 }
             } else if (v == mPUKCode) {
                 mPUKSubmit.requestFocus();
             } else if (v == mPUKSubmit) {
                 mPhone.getIccCard().supplyPuk2(mPUKCode.getText().toString(),
                         mNewPin1.getText().toString(),
                         Message.obtain(mHandler, EVENT_PIN_CHANGED));
             }
         }
     };

     private void handleResult(AsyncResult ar) {
         if (ar.exception == null) {
             if (DBG) log("handleResult: success!");

             if (mState == EntryState.ES_PUK) {
                 mScrollView.setVisibility(View.VISIBLE);
                 mIccPUKPanel.setVisibility(View.GONE);
             }
             // TODO: show success feedback
             showConfirmation();

             mHandler.postDelayed(new Runnable() {
                 public void run() {
                     finish();
                 }
             }, 3000);

         } else if (ar.exception instanceof CommandException
            /*  && ((CommandException)ar.exception).getCommandError() ==
            CommandException.Error.PASSWORD_INCORRECT */ ) {
             if (mState == EntryState.ES_PIN) {
                 if (DBG) log("handleResult: pin failed!");
                 mOldPin.getText().clear();
                 mBadPinError.setVisibility(View.VISIBLE);
                 CommandException ce = (CommandException) ar.exception;
                 if (ce.getCommandError() == CommandException.Error.SIM_PUK2) {
                     if (DBG) log("handleResult: puk requested!");
                     mState = EntryState.ES_PUK;
                     displayPUKAlert();
                     mScrollView.setVisibility(View.GONE);
                     mIccPUKPanel.setVisibility(View.VISIBLE);
                     mPUKCode.requestFocus();
                 }
             } else if (mState == EntryState.ES_PUK) {
                 //should really check to see if the error is CommandException.PASSWORD_INCORRECT...
                 if (DBG) log("handleResult: puk2 failed!");
                 displayPUKAlert();
                 mPUKCode.getText().clear();
                 mPUKCode.requestFocus();
             }
         }
     }

     private AlertDialog mPUKAlert;
     private void displayPUKAlert () {
         if (mPUKAlert == null) {
             mPUKAlert = new AlertDialog.Builder(this)
             .setMessage (R.string.puk_requested)
             .setCancelable(false)
             .show();
         } else {
             mPUKAlert.show();
         }
         //TODO: The 3 second delay here is somewhat arbitrary, reflecting the values
         //used elsewhere for similar code.  This should get revisited with the framework
         //crew to see if there is some standard we should adhere to.
         mHandler.postDelayed(new Runnable() {
             public void run() {
                 mPUKAlert.dismiss();
             }
         }, 3000);
     }

     private void showConfirmation() {
         int id = mChangePin2 ? R.string.pin2_changed : R.string.pin_changed;
         Toast.makeText(this, id, Toast.LENGTH_SHORT).show();
     }

     private void log(String msg) {
         String prefix = mChangePin2 ? "[ChgPin2]" : "[ChgPin]";
         Log.d(LOG_TAG, prefix + msg);
     }
 }
	/*
	* Copyright (C) 2006 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.android.phone;

	import android.app.Activity;
	import android.app.AlertDialog;
	import android.content.Intent;
	import android.content.res.Resources;
	import android.os.AsyncResult;
	import android.os.Bundle;
	import android.os.Handler;
	import android.os.Message;
	import android.text.method.DigitsKeyListener;
	import android.util.Log;
	import android.view.View;
	import android.widget.Button;
	import android.widget.EditText;
	import android.widget.LinearLayout;
	import android.widget.ScrollView;
	import android.widget.TextView;
	import android.widget.Toast;

	import com.android.internal.telephony.CommandException;
	import com.android.internal.telephony.IccCard;
	import com.android.internal.telephony.Phone;

	/**
	* "Change ICC PIN" UI for the Phone app.
	*/
	public class ChangeIccPinScreen extends Activity {
	private static final String LOG_TAG = PhoneGlobals.LOG_TAG;
	private static final boolean DBG = false;

	private static final int EVENT_PIN_CHANGED = 100;

	private enum EntryState {
	ES_PIN,
	ES_PUK
	}

	private EntryState mState;

	private static final int NO_ERROR = 0;
	private static final int PIN_MISMATCH = 1;
	private static final int PIN_INVALID_LENGTH = 2;

	private static final int MIN_PIN_LENGTH = 4;
	private static final int MAX_PIN_LENGTH = 8;

	private Phone mPhone;
	private boolean mChangePin2;
	private TextView mBadPinError;
	private TextView mMismatchError;
	private EditText mOldPin;
	private EditText mNewPin1;
	private EditText mNewPin2;
	private EditText mPUKCode;
	private Button mButton;
	private Button mPUKSubmit;
	private ScrollView mScrollView;

	private LinearLayout mIccPUKPanel;

	private Handler mHandler = new Handler() {
	public void handleMessage(Message msg) {
	switch (msg.what) {
	case EVENT_PIN_CHANGED:
	AsyncResult ar = (AsyncResult) msg.obj;
	handleResult(ar);
	break;
	}

	return;
	}
	};

	public void onCreate(Bundle icicle) {
	super.onCreate(icicle);

	mPhone = PhoneGlobals.getPhone();

	resolveIntent();

	setContentView(R.layout.change_sim_pin_screen);

	mOldPin = (EditText) findViewById(R.id.old_pin);
	mOldPin.setKeyListener(DigitsKeyListener.getInstance());
	mOldPin.setMovementMethod(null);
	mOldPin.setOnClickListener(mClicked);

	mNewPin1 = (EditText) findViewById(R.id.new_pin1);
	mNewPin1.setKeyListener(DigitsKeyListener.getInstance());
	mNewPin1.setMovementMethod(null);
	mNewPin1.setOnClickListener(mClicked);

	mNewPin2 = (EditText) findViewById(R.id.new_pin2);
	mNewPin2.setKeyListener(DigitsKeyListener.getInstance());
	mNewPin2.setMovementMethod(null);
	mNewPin2.setOnClickListener(mClicked);

	mBadPinError = (TextView) findViewById(R.id.bad_pin);
	mMismatchError = (TextView) findViewById(R.id.mismatch);

	mButton = (Button) findViewById(R.id.button);
	mButton.setOnClickListener(mClicked);

	mScrollView = (ScrollView) findViewById(R.id.scroll);

	mPUKCode = (EditText) findViewById(R.id.puk_code);
	mPUKCode.setKeyListener(DigitsKeyListener.getInstance());
	mPUKCode.setMovementMethod(null);
	mPUKCode.setOnClickListener(mClicked);

	mPUKSubmit = (Button) findViewById(R.id.puk_submit);
	mPUKSubmit.setOnClickListener(mClicked);

	mIccPUKPanel = (LinearLayout) findViewById(R.id.puk_panel);

	int id = mChangePin2 ? R.string.change_pin2 : R.string.change_pin;
	setTitle(getResources().getText(id));

	mState = EntryState.ES_PIN;
	}

	private void resolveIntent() {
	Intent intent = getIntent();
	mChangePin2 = intent.getBooleanExtra("pin2", mChangePin2);
	}

	private void reset() {
	mScrollView.scrollTo(0, 0);
	mBadPinError.setVisibility(View.GONE);
	mMismatchError.setVisibility(View.GONE);
	}

	private int validateNewPin(String p1, String p2) {
	if (p1 == null) {
	return PIN_INVALID_LENGTH;
	}

	if (!p1.equals(p2)) {
	return PIN_MISMATCH;
	}

	int len1 = p1.length();

	if (len1 < MIN_PIN_LENGTH \|\| len1 > MAX_PIN_LENGTH) {
	return PIN_INVALID_LENGTH;
	}

	return NO_ERROR;
	}

	private View.OnClickListener mClicked = new View.OnClickListener() {
	public void onClick(View v) {
	if (v == mOldPin) {
	mNewPin1.requestFocus();
	} else if (v == mNewPin1) {
	mNewPin2.requestFocus();
	} else if (v == mNewPin2) {
	mButton.requestFocus();
	} else if (v == mButton) {
	IccCard iccCardInterface = mPhone.getIccCard();
	if (iccCardInterface != null) {
	String oldPin = mOldPin.getText().toString();
	String newPin1 = mNewPin1.getText().toString();
	String newPin2 = mNewPin2.getText().toString();

	int error = validateNewPin(newPin1, newPin2);

	switch (error) {
	case PIN_INVALID_LENGTH:
	case PIN_MISMATCH:
	mNewPin1.getText().clear();
	mNewPin2.getText().clear();
	mMismatchError.setVisibility(View.VISIBLE);

	Resources r = getResources();
	CharSequence text;

	if (error == PIN_MISMATCH) {
	text = r.getString(R.string.mismatchPin);
	} else {
	text = r.getString(R.string.invalidPin);
	}

	mMismatchError.setText(text);
	break;

	default:
	Message callBack = Message.obtain(mHandler,
	EVENT_PIN_CHANGED);

	if (DBG) log("change pin attempt: old=" + oldPin +
	", newPin=" + newPin1);

	reset();

	if (mChangePin2) {
	iccCardInterface.changeIccFdnPassword(oldPin,
	newPin1, callBack);
	} else {
	iccCardInterface.changeIccLockPassword(oldPin,
	newPin1, callBack);
	}

	// TODO: show progress panel
	}
	}
	} else if (v == mPUKCode) {
	mPUKSubmit.requestFocus();
	} else if (v == mPUKSubmit) {
	mPhone.getIccCard().supplyPuk2(mPUKCode.getText().toString(),
	mNewPin1.getText().toString(),
	Message.obtain(mHandler, EVENT_PIN_CHANGED));
	}
	}
	};

	private void handleResult(AsyncResult ar) {
	if (ar.exception == null) {
	if (DBG) log("handleResult: success!");

	if (mState == EntryState.ES_PUK) {
	mScrollView.setVisibility(View.VISIBLE);
	mIccPUKPanel.setVisibility(View.GONE);
	}
	// TODO: show success feedback
	showConfirmation();

	mHandler.postDelayed(new Runnable() {
	public void run() {
	finish();
	}
	}, 3000);

	} else if (ar.exception instanceof CommandException
	/* && ((CommandException)ar.exception).getCommandError() ==
	CommandException.Error.PASSWORD_INCORRECT */ ) {
	if (mState == EntryState.ES_PIN) {
	if (DBG) log("handleResult: pin failed!");
	mOldPin.getText().clear();
	mBadPinError.setVisibility(View.VISIBLE);
	CommandException ce = (CommandException) ar.exception;
	if (ce.getCommandError() == CommandException.Error.SIM_PUK2) {
	if (DBG) log("handleResult: puk requested!");
	mState = EntryState.ES_PUK;
	displayPUKAlert();
	mScrollView.setVisibility(View.GONE);
	mIccPUKPanel.setVisibility(View.VISIBLE);
	mPUKCode.requestFocus();
	}
	} else if (mState == EntryState.ES_PUK) {
	//should really check to see if the error is CommandException.PASSWORD_INCORRECT...
	if (DBG) log("handleResult: puk2 failed!");
	displayPUKAlert();
	mPUKCode.getText().clear();
	mPUKCode.requestFocus();
	}
	}
	}

	private AlertDialog mPUKAlert;
	private void displayPUKAlert () {
	if (mPUKAlert == null) {
	mPUKAlert = new AlertDialog.Builder(this)
	.setMessage (R.string.puk_requested)
	.setCancelable(false)
	.show();
	} else {
	mPUKAlert.show();
	}
	//TODO: The 3 second delay here is somewhat arbitrary, reflecting the values
	//used elsewhere for similar code. This should get revisited with the framework
	//crew to see if there is some standard we should adhere to.
	mHandler.postDelayed(new Runnable() {
	public void run() {
	mPUKAlert.dismiss();
	}
	}, 3000);
	}

	private void showConfirmation() {
	int id = mChangePin2 ? R.string.pin2_changed : R.string.pin_changed;
	Toast.makeText(this, id, Toast.LENGTH_SHORT).show();
	}

	private void log(String msg) {
	String prefix = mChangePin2 ? "[ChgPin2]" : "[ChgPin]";
	Log.d(LOG_TAG, prefix + msg);
	}
	}