Java tutorial
//package com.java2s; /* * Copyright (C) 2012-2013 Ognyan Bankov * * 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.content.Intent; import android.os.Bundle; public class Main { public static double interceptDoubleParam(Bundle savedInstanceState, Intent intent, String paramName) { double ret = 0; if (savedInstanceState != null) { ret = savedInstanceState.getDouble(paramName, 0); } else { if (intent != null) { Bundle incomming = intent.getExtras(); if (incomming != null) { ret = incomming.getDouble(paramName, 0); } } } return ret; } }