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