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      1 /*
      2  * Copyright (C) 2008 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.settings;
     18 
     19 import java.util.ArrayList;
     20 
     21 import com.android.internal.widget.LockPatternUtils;
     22 import com.android.internal.widget.LockPatternView;
     23 
     24 import android.app.Fragment;
     25 import android.content.Intent;
     26 import android.os.Bundle;
     27 import android.preference.PreferenceActivity;
     28 import android.view.LayoutInflater;
     29 import android.view.View;
     30 import android.view.ViewGroup;
     31 
     32 public class ChooseLockPatternTutorial extends PreferenceActivity {
     33 
     34     // required constructor for fragments
     35     public ChooseLockPatternTutorial() {
     36 
     37     }
     38 
     39     @Override
     40     public Intent getIntent() {
     41         Intent modIntent = new Intent(super.getIntent());
     42         modIntent.putExtra(EXTRA_SHOW_FRAGMENT, ChooseLockPatternTutorialFragment.class.getName());
     43         modIntent.putExtra(EXTRA_NO_HEADERS, true);
     44         return modIntent;
     45     }
     46 
     47     @Override
     48     public void onCreate(Bundle savedInstanceState) {
     49         super.onCreate(savedInstanceState);
     50         CharSequence msg = getText(R.string.lockpassword_choose_your_pattern_header);
     51         showBreadCrumbs(msg, msg);
     52     }
     53 
     54     public static class ChooseLockPatternTutorialFragment extends Fragment
     55             implements View.OnClickListener {
     56         private View mNextButton;
     57         private View mSkipButton;
     58         private LockPatternView mPatternView;
     59 
     60         @Override
     61         public void onCreate(Bundle savedInstanceState) {
     62             super.onCreate(savedInstanceState);
     63             // Don't show the tutorial if the user has seen it before.
     64             LockPatternUtils lockPatternUtils = new LockPatternUtils(getActivity());
     65             if (savedInstanceState == null && lockPatternUtils.isPatternEverChosen()) {
     66                 Intent intent = new Intent(getActivity(), ChooseLockPattern.class);
     67                 intent.setFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT);
     68                 intent.putExtra("confirm_credentials", false);
     69                 final boolean isFallback = getActivity().getIntent()
     70                     .getBooleanExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK, false);
     71                 intent.putExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK,
     72                                 isFallback);
     73                 startActivity(intent);
     74                 getActivity().finish();
     75             }
     76         }
     77 
     78         @Override
     79         public View onCreateView(LayoutInflater inflater, ViewGroup container,
     80                 Bundle savedInstanceState) {
     81             View view = inflater.inflate(R.layout.choose_lock_pattern_tutorial, null);
     82             mNextButton = view.findViewById(R.id.next_button);
     83             mNextButton.setOnClickListener(this);
     84             mSkipButton = view.findViewById(R.id.skip_button);
     85             mSkipButton.setOnClickListener(this);
     86 
     87             // Set up LockPatternView to be a non-interactive demo animation
     88             mPatternView = (LockPatternView) view.findViewById(R.id.lockPattern);
     89             ArrayList<LockPatternView.Cell> demoPattern = new ArrayList<LockPatternView.Cell>();
     90             demoPattern.add(LockPatternView.Cell.of(0,0));
     91             demoPattern.add(LockPatternView.Cell.of(0,1));
     92             demoPattern.add(LockPatternView.Cell.of(1,1));
     93             demoPattern.add(LockPatternView.Cell.of(2,1));
     94             mPatternView.setPattern(LockPatternView.DisplayMode.Animate, demoPattern);
     95             mPatternView.disableInput();
     96 
     97             return view;
     98         }
     99 
    100         public void onClick(View v) {
    101             if (v == mSkipButton) {
    102                 // Canceling, so finish all
    103                 getActivity().setResult(ChooseLockPattern.RESULT_FINISHED);
    104                 getActivity().finish();
    105             } else if (v == mNextButton) {
    106                 final boolean isFallback = getActivity().getIntent()
    107                     .getBooleanExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK, false);
    108                 Intent intent = new Intent(getActivity(), ChooseLockPattern.class);
    109                 intent.addFlags(Intent.FLAG_ACTIVITY_FORWARD_RESULT);
    110                 intent.putExtra(LockPatternUtils.LOCKSCREEN_BIOMETRIC_WEAK_FALLBACK,
    111                                 isFallback);
    112                 startActivity(intent);
    113                 getActivity().overridePendingTransition(0, 0); // no animation
    114                 getActivity().finish();
    115             }
    116         }
    117     }
    118 }
    119