Java tutorial
package com.sentaroh.android.TextFileBrowser; /* The MIT License (MIT) Copyright (c) 2011-2013 Sentaroh Permission is hereby granted, free of charge, to any person obtaining a copy of this software and associated documentation files (the "Software"), to deal in the Software without restriction, including without limitation the rights to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is furnished to do so, subject to the following conditions: The above copyright notice and this permission notice shall be included in all copies or substantial portions of the Software. THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. */ import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; import android.content.Intent; import android.os.Build; import android.support.v4.app.NotificationCompat; import android.support.v4.app.NotificationCompat.BigTextStyle; import android.support.v4.app.NotificationCompat.Builder; public class NotificationUtil { @SuppressWarnings("deprecation") static final public void initNotification(Context c, NotificationCommonParms gwa) { gwa.notificationManager = (NotificationManager) c.getSystemService(Context.NOTIFICATION_SERVICE); gwa.notification = new Notification(R.drawable.ic_32_browse_text, c.getString(R.string.app_name), 0); gwa.notificationAppName = c.getString(R.string.app_name); gwa.notificationIntent = new Intent(c, MainActivity.class); gwa.notificationIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK | Intent.FLAG_ACTIVITY_RESET_TASK_IF_NEEDED); gwa.notificationIntent.setAction(Intent.ACTION_MAIN); gwa.notificationIntent.addCategory(Intent.CATEGORY_LAUNCHER); gwa.notificationPendingIntent = PendingIntent.getActivity(c, 0, gwa.notificationIntent, PendingIntent.FLAG_UPDATE_CURRENT); buildNotification(c, gwa); }; static final public void setNotificationEnabled(Context c, NotificationCommonParms gwa) { gwa.notiifcationEnabled = true; }; static final public void setNotificationDisabled(Context c, NotificationCommonParms gwa) { gwa.notiifcationEnabled = false; }; static final public boolean isNotificationEnabled(Context c, NotificationCommonParms gwa) { return gwa.notiifcationEnabled; }; static final public void buildNotification(Context c, NotificationCommonParms gwa) { gwa.notificationBuilder = new NotificationCompat.Builder(c); gwa.notificationBuilder.setContentIntent(gwa.notificationPendingIntent) // .setTicker(gwa.notificationAppName) .setOngoing(true).setAutoCancel(false).setSmallIcon(R.drawable.main_icon_small) .setContentTitle(gwa.notificationAppName).setContentText("") // .setSubText("subtext") // .setLargeIcon(largeIcon) .setWhen(System.currentTimeMillis()) // .addAction(action_icon, action_title, action_pi) ; gwa.notification = gwa.notificationBuilder.build(); if (Build.VERSION.SDK_INT >= 16) {//JB(4.1 gwa.notificationBigTextStyle = new NotificationCompat.BigTextStyle(gwa.notificationBuilder); gwa.notificationBigTextStyle.setBigContentTitle(gwa.notificationLastShowedTitle) .bigText(gwa.notificationLastShowedMessage); } }; final static public Notification getNotification(Context c, NotificationCommonParms gwa) { return gwa.notification; }; final static public void setNotificationMessage(Context c, NotificationCommonParms gwa, String msg) { gwa.notificationLastShowedMessage = msg; }; final static public Notification reshowOngoingNotificationMsg(Context c, NotificationCommonParms gwa) { if (!isNotificationEnabled(c, gwa)) return gwa.notification; gwa.notificationBuilder.setContentTitle(gwa.notificationLastShowedTitle) .setContentText(gwa.notificationLastShowedMessage); if (Build.VERSION.SDK_INT < 16) {//JB gwa.notification = gwa.notificationBuilder.build(); gwa.notificationManager.notify(R.string.app_name, gwa.notification); } else { gwa.notificationBigTextStyle = new NotificationCompat.BigTextStyle(gwa.notificationBuilder); gwa.notificationBigTextStyle.setBigContentTitle(gwa.notificationLastShowedTitle) .bigText(gwa.notificationLastShowedMessage); gwa.notification = gwa.notificationBigTextStyle.build(); gwa.notificationManager.notify(R.string.app_name, gwa.notification); } return gwa.notification; }; final static public Notification showOngoingNotificationMsg(Context c, NotificationCommonParms gwa, String msg) { setNotificationMessage(c, gwa, msg); if (!isNotificationEnabled(c, gwa)) return gwa.notification; // gwa.notificationBuilder.setContentIntent(gwa.notificationPendingIntent) // .setContentTitle(gwa.notificationLastShowedTitle) // .setContentText(gwa.notificationLastShowedMessage) // .setWhen(System.currentTimeMillis()) // ; gwa.notificationBuilder.setContentTitle(gwa.notificationLastShowedTitle) .setContentText(gwa.notificationLastShowedMessage); if (Build.VERSION.SDK_INT < 16) {//JB gwa.notification = gwa.notificationBuilder.build(); gwa.notificationManager.notify(R.string.app_name, gwa.notification); } else { gwa.notificationBigTextStyle.setBigContentTitle(gwa.notificationLastShowedTitle) .bigText(gwa.notificationLastShowedMessage); gwa.notification = gwa.notificationBigTextStyle.build(); gwa.notificationManager.notify(R.string.app_name, gwa.notification); } return gwa.notification; }; // final static public void showNoticeNotificationMsg(Context context, NotificationCommonParms gwa, String msg ) { // // clearNotification(gwa); // // Intent dummy_intent = new Intent(context,SMBSyncMain.class); // PendingIntent dummy_pi =PendingIntent.getActivity(context, 0, dummy_intent, // PendingIntent.FLAG_UPDATE_CURRENT); // dummy_pi.cancel(); // // boolean valid_log_file_exists=false; // if (!gwa.currentLogFilePath.equals("") && !gwa.settingLogOption.equals("0")) { // File lf=new File(gwa.currentLogFilePath); // if (lf.exists()) valid_log_file_exists=true; // } // // Intent br_log_intent = new Intent(android.content.Intent.ACTION_VIEW); // br_log_intent.setDataAndType(Uri.parse("file://"+gwa.currentLogFilePath), "text/plain"); // PendingIntent br_log_pi=PendingIntent.getActivity(context, 0, br_log_intent, // PendingIntent.FLAG_UPDATE_CURRENT); // // NotificationCompat.Builder builder=new NotificationCompat.Builder(context); // // builder.setTicker(gwa.notificationAppName) // .setOngoing(false) // .setAutoCancel(true) // .setSmallIcon(R.drawable.ic_48_smbsync) // .setContentTitle(context.getString(R.string.app_name)) // .setContentText(msg) // .setWhen(System.currentTimeMillis()) //// .addAction(action_icon, action_title, action_pi) // ; // if (valid_log_file_exists) builder.setContentIntent(br_log_pi); // else builder.setContentIntent(dummy_pi); // // Notification notification=builder.build(); // gwa.notificationManager.notify(R.string.app_name,notification); // //// if (Build.VERSION.SDK_INT<16) {//JB //// } else { //// BigTextStyle bigTextStyle = //// new NotificationCompat.BigTextStyle(builder); //// bigTextStyle //// .setBigContentTitle(gwa.notificationLastShowedTitle) //// .bigText(msg); //// Notification notification=bigTextStyle.build(); //// gwa.notificationManager.notify(R.string.app_name,notification); //// } // // }; final static public void clearNotification(Context c, NotificationCommonParms gwa) { gwa.notificationManager.cancelAll(); }; } class NotificationCommonParms { public NotificationManager notificationManager = null; public Notification notification = null; public Builder notificationBuilder = null; public BigTextStyle notificationBigTextStyle = null; public Intent notificationIntent = null; public PendingIntent notificationPendingIntent; public String notificationLastShowedMessage = null, notificationLastShowedTitle = "TextFileBrowser"; public String notificationAppName = "TextFileBrowser"; public boolean notiifcationEnabled = true; }