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      1 /*
      2  * Copyright (C) 2010 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.email.activity.setup;
     18 
     19 import android.app.Fragment;
     20 import android.content.Context;
     21 import android.os.Bundle;
     22 import android.view.LayoutInflater;
     23 import android.view.View;
     24 import android.view.ViewGroup;
     25 import android.webkit.WebView;
     26 import android.widget.CheckBox;
     27 import android.widget.CompoundButton;
     28 import android.widget.CompoundButton.OnCheckedChangeListener;
     29 
     30 import com.android.email.Preferences;
     31 import com.android.email.R;
     32 import com.android.email.activity.UiUtilities;
     33 import com.android.email.service.EmailServiceUtils;
     34 import com.android.email2.ui.MailActivityEmail;
     35 import com.android.emailcommon.Logging;
     36 import com.android.mail.utils.LogUtils;
     37 
     38 public class DebugFragment extends Fragment implements OnCheckedChangeListener,
     39         View.OnClickListener {
     40     private Preferences mPreferences;
     41 
     42     // Public no-args constructor needed for fragment re-instantiation
     43     public DebugFragment() {}
     44 
     45     @Override
     46     public View onCreateView(LayoutInflater inflater, ViewGroup container,
     47             Bundle savedInstanceState) {
     48         if (Logging.DEBUG_LIFECYCLE && MailActivityEmail.DEBUG) {
     49             LogUtils.d(Logging.LOG_TAG, "AccountSetupBasicsFragment onCreateView");
     50         }
     51         View view = inflater.inflate(R.layout.debug, container, false);
     52 
     53         Context context = getActivity();
     54         mPreferences = Preferences.getPreferences(context);
     55 
     56         final CheckBox enableDebugLoggingView = UiUtilities.getView(view, R.id.debug_logging);
     57         enableDebugLoggingView.setChecked(MailActivityEmail.DEBUG);
     58 
     59         final CheckBox enableVerboseLoggingView = UiUtilities.getView(view, R.id.verbose_logging);
     60         final CheckBox enableFileLoggingView = UiUtilities.getView(view, R.id.file_logging);
     61 
     62         // Note:  To prevent recursion while presetting checkboxes, assign all listeners last
     63         enableDebugLoggingView.setOnCheckedChangeListener(this);
     64 
     65         if (EmailServiceUtils.areRemoteServicesInstalled(context)) {
     66             enableVerboseLoggingView.setChecked(MailActivityEmail.DEBUG_VERBOSE);
     67             enableFileLoggingView.setChecked(MailActivityEmail.DEBUG_FILE);
     68             enableVerboseLoggingView.setOnCheckedChangeListener(this);
     69             enableFileLoggingView.setOnCheckedChangeListener(this);
     70         } else {
     71             enableVerboseLoggingView.setVisibility(View.GONE);
     72             enableFileLoggingView.setVisibility(View.GONE);
     73         }
     74 
     75         UiUtilities.getView(view, R.id.clear_webview_cache).setOnClickListener(this);
     76 
     77         final CheckBox enableStrictModeView =
     78                 UiUtilities.getView(view, R.id.debug_enable_strict_mode);
     79         enableStrictModeView.setChecked(mPreferences.getEnableStrictMode());
     80         enableStrictModeView.setOnCheckedChangeListener(this);
     81 
     82         return view;
     83     }
     84 
     85     @Override
     86     public void onCheckedChanged(CompoundButton buttonView, boolean isChecked) {
     87         switch (buttonView.getId()) {
     88             case R.id.debug_logging:
     89                 mPreferences.setEnableDebugLogging(isChecked);
     90                 MailActivityEmail.DEBUG = isChecked;
     91                 MailActivityEmail.DEBUG_EXCHANGE = isChecked;
     92                 break;
     93             case R.id.verbose_logging:
     94                 mPreferences.setEnableExchangeLogging(isChecked);
     95                 MailActivityEmail.DEBUG_VERBOSE = isChecked;
     96                 break;
     97             case R.id.file_logging:
     98                 mPreferences.setEnableExchangeFileLogging(isChecked);
     99                 MailActivityEmail.DEBUG_FILE = isChecked;
    100                 break;
    101             case R.id.debug_enable_strict_mode:
    102                 mPreferences.setEnableStrictMode(isChecked);
    103                 MailActivityEmail.enableStrictMode(isChecked);
    104                 break;
    105         }
    106 
    107         MailActivityEmail.updateLoggingFlags(getActivity());
    108     }
    109 
    110     @Override
    111     public void onClick(View v) {
    112         switch (v.getId()) {
    113             case R.id.clear_webview_cache:
    114                 clearWebViewCache();
    115                 break;
    116         }
    117     }
    118 
    119     private void clearWebViewCache() {
    120         WebView webview = new WebView(getActivity());
    121         try {
    122             webview.clearCache(true);
    123             LogUtils.w(Logging.LOG_TAG, "Cleard WebView cache.");
    124         } finally {
    125             webview.destroy();
    126         }
    127     }
    128 }
    129