Home | History | Annotate | Download | only in fingerprint 
      1 /*
      2  * Copyright (C) 2015 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.fingerprint;
     18 
     19 import android.annotation.Nullable;
     20 import android.content.Intent;
     21 import android.graphics.Color;
     22 import android.os.Bundle;
     23 import android.os.UserHandle;
     24 import android.text.TextUtils;
     25 import android.view.View;
     26 import android.view.WindowManager;
     27 import android.widget.Button;
     28 import android.widget.TextView;
     29 
     30 import com.android.settings.ChooseLockSettingsHelper;
     31 import com.android.settings.InstrumentedActivity;
     32 import com.android.settings.R;
     33 import com.android.setupwizardlib.SetupWizardLayout;
     34 import com.android.setupwizardlib.view.NavigationBar;
     35 
     36 /**
     37  * Base activity for all fingerprint enrollment steps.
     38  */
     39 public abstract class FingerprintEnrollBase extends InstrumentedActivity
     40         implements View.OnClickListener {
     41     static final int RESULT_FINISHED = FingerprintSettings.RESULT_FINISHED;
     42     static final int RESULT_SKIP = FingerprintSettings.RESULT_SKIP;
     43     static final int RESULT_TIMEOUT = FingerprintSettings.RESULT_TIMEOUT;
     44 
     45     protected byte[] mToken;
     46     protected int mUserId;
     47 
     48     @Override
     49     protected void onCreate(Bundle savedInstanceState) {
     50         super.onCreate(savedInstanceState);
     51         setTheme(R.style.Theme_FingerprintEnroll);
     52         mToken = getIntent().getByteArrayExtra(
     53                 ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN);
     54         if (savedInstanceState != null && mToken == null) {
     55             mToken = savedInstanceState.getByteArray(
     56                     ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN);
     57         }
     58         mUserId = getIntent().getIntExtra(Intent.EXTRA_USER_ID, UserHandle.myUserId());
     59     }
     60 
     61     @Override
     62     protected void onSaveInstanceState(Bundle outState) {
     63         super.onSaveInstanceState(outState);
     64         outState.putByteArray(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN, mToken);
     65     }
     66 
     67     @Override
     68     protected void onPostCreate(@Nullable Bundle savedInstanceState) {
     69         super.onPostCreate(savedInstanceState);
     70         initViews();
     71     }
     72 
     73     protected void initViews() {
     74         getWindow().addFlags(WindowManager.LayoutParams.FLAG_DRAWS_SYSTEM_BAR_BACKGROUNDS |
     75                 WindowManager.LayoutParams.FLAG_LAYOUT_IN_SCREEN |
     76                 WindowManager.LayoutParams.FLAG_LAYOUT_INSET_DECOR);
     77 
     78         getWindow().getDecorView().setSystemUiVisibility(
     79                 View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN | View.SYSTEM_UI_FLAG_LAYOUT_STABLE);
     80 
     81         getWindow().setStatusBarColor(Color.TRANSPARENT);
     82         getNavigationBar().setVisibility(View.GONE);
     83         Button nextButton = getNextButton();
     84         if (nextButton != null) {
     85             nextButton.setOnClickListener(this);
     86         }
     87     }
     88 
     89     protected NavigationBar getNavigationBar() {
     90         return (NavigationBar) findViewById(R.id.suw_layout_navigation_bar);
     91     }
     92 
     93     protected SetupWizardLayout getSetupWizardLayout() {
     94         return (SetupWizardLayout) findViewById(R.id.setup_wizard_layout);
     95     }
     96 
     97     protected void setHeaderText(int resId, boolean force) {
     98         TextView layoutTitle = getSetupWizardLayout().getHeaderTextView();
     99         CharSequence previousTitle = layoutTitle.getText();
    100         CharSequence title = getText(resId);
    101         if (previousTitle != title || force) {
    102             if (!TextUtils.isEmpty(previousTitle)) {
    103                 layoutTitle.setAccessibilityLiveRegion(View.ACCESSIBILITY_LIVE_REGION_POLITE);
    104             }
    105             getSetupWizardLayout().setHeaderText(title);
    106             setTitle(title);
    107         }
    108     }
    109 
    110     protected void setHeaderText(int resId) {
    111         setHeaderText(resId, false /* force */);
    112     }
    113 
    114     protected Button getNextButton() {
    115         return (Button) findViewById(R.id.next_button);
    116     }
    117 
    118     @Override
    119     public void onClick(View v) {
    120         if (v == getNextButton()) {
    121             onNextButtonClick();
    122         }
    123     }
    124 
    125     protected void onNextButtonClick() {
    126     }
    127 
    128     protected Intent getEnrollingIntent() {
    129         Intent intent = new Intent();
    130         intent.setClassName("com.android.settings", FingerprintEnrollEnrolling.class.getName());
    131         intent.putExtra(ChooseLockSettingsHelper.EXTRA_KEY_CHALLENGE_TOKEN, mToken);
    132         if (mUserId != UserHandle.USER_NULL) {
    133             intent.putExtra(Intent.EXTRA_USER_ID, mUserId);
    134         }
    135         return intent;
    136     }
    137 }
    138