Java tutorial
package com.androideasyapps.phoenix.recommend; /* * Copyright (C) 2014 The Android Open Source Project * * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this file except * in compliance with the License. You may obtain a copy of the License at * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under the License * is distributed on an "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express * or implied. See the License for the specific language governing permissions and limitations under * the License. */ import android.app.Notification; import android.app.NotificationManager; import android.app.PendingIntent; import android.content.Context; import android.graphics.Bitmap; import android.os.Bundle; import android.support.v4.app.NotificationCompat; import android.util.Log; import com.androideasyapps.phoenix.CardPresenter; import com.androideasyapps.phoenix.R; import com.androideasyapps.phoenix.Utils; import com.squareup.picasso.Picasso; import java.io.IOException; /* * This class builds recommendations as notifications with videos as inputs. */ public class RecommendationBuilder { private static final String TAG = "RecommendationBuilder"; private static int CARD_WIDTH = 150; private static int CARD_HEIGHT = 200; private Context mContext; private NotificationManager mNotificationManager; private int mId; private int mPriority; private int mSmallIcon; private String mTitle; private String mDescription; private String mImageUri; private String mBackgroundUri; private PendingIntent mIntent; public RecommendationBuilder() { } public RecommendationBuilder setContext(Context context) { mContext = context; return this; } public RecommendationBuilder setId(int id) { mId = id; return this; } public RecommendationBuilder setPriority(int priority) { mPriority = priority; return this; } public RecommendationBuilder setTitle(String title) { mTitle = title; return this; } public RecommendationBuilder setDescription(String description) { mDescription = description; return this; } public RecommendationBuilder setImage(String uri) { mImageUri = uri; return this; } public RecommendationBuilder setBackground(String uri) { mBackgroundUri = uri; return this; } public RecommendationBuilder setIntent(PendingIntent intent) { mIntent = intent; return this; } public RecommendationBuilder setSmallIcon(int resourceId) { mSmallIcon = resourceId; return this; } public Notification build() throws IOException { Log.d(TAG, "Building notification - " + this.toString()); if (mNotificationManager == null) { mNotificationManager = (NotificationManager) mContext.getSystemService(Context.NOTIFICATION_SERVICE); } Bundle extras = new Bundle(); if (mBackgroundUri != null) { Log.d(TAG, "Background - " + mBackgroundUri); extras.putString(Notification.EXTRA_BACKGROUND_IMAGE_URI, mBackgroundUri); } Bitmap image = Picasso.with(mContext).load(mImageUri) .resize(Utils.convertDpToPixel(mContext, CARD_WIDTH), Utils.convertDpToPixel(mContext, CARD_HEIGHT)) .get(); Notification notification = new NotificationCompat.BigPictureStyle(new NotificationCompat.Builder(mContext) .setContentTitle(mTitle).setContentText(mDescription).setPriority(mPriority).setLocalOnly(true) .setOngoing(true).setColor(mContext.getResources().getColor(R.color.fastlane_background)) .setCategory(Notification.CATEGORY_RECOMMENDATION).setLargeIcon(image).setSmallIcon(mSmallIcon) .setContentIntent(mIntent).setExtras(extras)).build(); mNotificationManager.notify(mId, notification); mNotificationManager = null; return notification; } @Override public String toString() { return "RecommendationBuilder{" + ", mId=" + mId + ", mPriority=" + mPriority + ", mSmallIcon=" + mSmallIcon + ", mTitle='" + mTitle + '\'' + ", mDescription='" + mDescription + '\'' + ", mImageUri='" + mImageUri + '\'' + ", mBackgroundUri='" + mBackgroundUri + '\'' + ", mIntent=" + mIntent + '}'; } }