527a4f30a6
Synced to commit df5e5013422b81b4fd05c0ac9fd964b13624847a. Includes new samples for Android Auto. Change-Id: I3fec46e2a6b3f196682a92f1afd91eb682dc2dc1
58 lines
2.0 KiB
Java
58 lines
2.0 KiB
Java
/*
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* Copyright (C) 2014 The Android Open Source Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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package com.example.android.messagingservice;
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import android.content.Context;
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import android.content.SharedPreferences;
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import java.text.SimpleDateFormat;
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import java.util.Date;
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/**
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* A simple logger that uses shared preferences to log messages, their reads
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* and replies. Don't use this in a real world application. This logger is only
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* used for displaying the messages in the text view.
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*/
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public class MessageLogger {
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private static final String PREF_MESSAGE = "MESSAGE_LOGGER";
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private static final SimpleDateFormat DATE_FORMAT = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");
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public static final String LOG_KEY = "message_data";
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public static final String LINE_BREAKS = "\n\n";
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public static void logMessage(Context context, String message) {
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SharedPreferences prefs = getPrefs(context);
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message = DATE_FORMAT.format(new Date(System.currentTimeMillis())) + ": " + message;
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prefs.edit()
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.putString(LOG_KEY, prefs.getString(LOG_KEY, "") + LINE_BREAKS + message)
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.apply();
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}
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public static SharedPreferences getPrefs(Context context) {
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return context.getSharedPreferences(PREF_MESSAGE, Context.MODE_PRIVATE);
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}
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public static String getAllMessages(Context context) {
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return getPrefs(context).getString(LOG_KEY, "");
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}
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public static void clear(Context context) {
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getPrefs(context).edit().remove(LOG_KEY).apply();
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}
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}
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