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.Context; 20 import android.content.SharedPreferences; 21 import android.content.pm.PackageInfo; 22 import android.content.pm.PackageManager.NameNotFoundException; 23 import android.os.Bundle; 24 import android.os.Process; 25 import android.preference.CheckBoxPreference; 26 import android.preference.PreferenceFragment; 27 import android.util.Log; 28 29 import com.android.inputmethod.keyboard.KeyboardSwitcher; 30 31 public class DebugSettings extends PreferenceFragment 32 implements SharedPreferences.OnSharedPreferenceChangeListener { 33 34 private static final String TAG = DebugSettings.class.getSimpleName(); 35 private static final String DEBUG_MODE_KEY = "debug_mode"; 36 public static final String FORCE_NON_DISTINCT_MULTITOUCH_KEY = "force_non_distinct_multitouch"; 37 38 private boolean mServiceNeedsRestart = false; 39 private CheckBoxPreference mDebugMode; 40 41 @Override onCreate(Bundle icicle)42 public void onCreate(Bundle icicle) { 43 super.onCreate(icicle); 44 addPreferencesFromResource(R.xml.prefs_for_debug); 45 SharedPreferences prefs = getPreferenceManager().getSharedPreferences(); 46 prefs.registerOnSharedPreferenceChangeListener(this); 47 48 mServiceNeedsRestart = false; 49 mDebugMode = (CheckBoxPreference) findPreference(DEBUG_MODE_KEY); 50 updateDebugMode(); 51 } 52 53 @Override onStop()54 public void onStop() { 55 super.onStop(); 56 if (mServiceNeedsRestart) Process.killProcess(Process.myPid()); 57 } 58 59 @Override onSharedPreferenceChanged(SharedPreferences prefs, String key)60 public void onSharedPreferenceChanged(SharedPreferences prefs, String key) { 61 if (key.equals(DEBUG_MODE_KEY)) { 62 if (mDebugMode != null) { 63 mDebugMode.setChecked(prefs.getBoolean(DEBUG_MODE_KEY, false)); 64 updateDebugMode(); 65 mServiceNeedsRestart = true; 66 } 67 } else if (key.equals(FORCE_NON_DISTINCT_MULTITOUCH_KEY) 68 || key.equals(KeyboardSwitcher.PREF_KEYBOARD_LAYOUT)) { 69 mServiceNeedsRestart = true; 70 } 71 } 72 updateDebugMode()73 private void updateDebugMode() { 74 if (mDebugMode == null) { 75 return; 76 } 77 boolean isDebugMode = mDebugMode.isChecked(); 78 String version = ""; 79 try { 80 final Context context = getActivity(); 81 final String packageName = context.getPackageName(); 82 PackageInfo info = context.getPackageManager().getPackageInfo(packageName, 0); 83 version = "Version " + info.versionName; 84 } catch (NameNotFoundException e) { 85 Log.e(TAG, "Could not find version info."); 86 } 87 if (!isDebugMode) { 88 mDebugMode.setTitle(version); 89 mDebugMode.setSummary(""); 90 } else { 91 mDebugMode.setTitle(getResources().getString(R.string.prefs_debug_mode)); 92 mDebugMode.setSummary(version); 93 } 94 } 95 } 96