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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"); you may not
      5  * use this file except in compliance with the License. You may obtain a copy of
      6  * 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, WITHOUT
     12  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
     13  * License for the specific language governing permissions and limitations under
     14  * the License.
     15  */
     16 
     17 package com.android.inputmethod.latin;
     18 
     19 import android.content.SharedPreferences;
     20 import android.content.pm.PackageInfo;
     21 import android.content.pm.PackageManager.NameNotFoundException;
     22 import android.os.Bundle;
     23 import android.preference.CheckBoxPreference;
     24 import android.preference.PreferenceActivity;
     25 import android.util.Log;
     26 
     27 public class LatinIMEDebugSettings extends PreferenceActivity
     28         implements SharedPreferences.OnSharedPreferenceChangeListener {
     29 
     30     private static final String TAG = "LatinIMEDebugSettings";
     31     private static final String DEBUG_MODE_KEY = "debug_mode";
     32 
     33     private CheckBoxPreference mDebugMode;
     34 
     35     @Override
     36     protected void onCreate(Bundle icicle) {
     37         super.onCreate(icicle);
     38         addPreferencesFromResource(R.xml.prefs_for_debug);
     39         SharedPreferences prefs = getPreferenceManager().getSharedPreferences();
     40         prefs.registerOnSharedPreferenceChangeListener(this);
     41 
     42         mDebugMode = (CheckBoxPreference) findPreference(DEBUG_MODE_KEY);
     43         updateDebugMode();
     44     }
     45 
     46     public void onSharedPreferenceChanged(SharedPreferences prefs, String key) {
     47         if (key.equals(DEBUG_MODE_KEY)) {
     48             if (mDebugMode != null) {
     49                 mDebugMode.setChecked(prefs.getBoolean(DEBUG_MODE_KEY, false));
     50                 updateDebugMode();
     51             }
     52         }
     53     }
     54 
     55     private void updateDebugMode() {
     56         if (mDebugMode == null) {
     57             return;
     58         }
     59         boolean isDebugMode = mDebugMode.isChecked();
     60         String version = "";
     61         try {
     62             PackageInfo info = getPackageManager().getPackageInfo(getPackageName(), 0);
     63             version = "Version " + info.versionName;
     64         } catch (NameNotFoundException e) {
     65             Log.e(TAG, "Could not find version info.");
     66         }
     67         if (!isDebugMode) {
     68             mDebugMode.setTitle(version);
     69             mDebugMode.setSummary("");
     70         } else {
     71             mDebugMode.setTitle(getResources().getString(R.string.prefs_debug_mode));
     72             mDebugMode.setSummary(version);
     73         }
     74     }
     75 }
     76