MainActivity.java

package com.example.android.lifecycle;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {

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<?xml version="1.0" encoding="utf-8"?>
<!-- Layout for a single list item -->
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
   xmlns:tools="http://schemas.android.com/tools"
   android:layout_width="match_parent"
   android:layout_height="@dimen/list_item_height"
   android:background="@color/tan_background"
   android:orientation="horizontal">

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private String createCalendarEventReminder(String eventName, String location, int minutesAway) {
    String reminder = "You have an upcoming event in " + minutesAway + " minutes.";
    reminder = reminder + " It is " + eventName + " held at " + location + ".";
    return reminder;
}

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/**
 * Get the email account name.
 * 
 * @return the name of the account.
 */
private String getAccountName() {
    return "android@gmail.com";
    return "droid@gmail.com";
}

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/**
 * Calculates the price of the order.
 * 
 * @param quantity is the number of cups of coffee ordered
 */
private void calculatePrice(int quantity) {
    int price = quantity * 5;
}

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/**
 * Displays an image, such as an icon.
 */
public class ImageView extends View {
 
    // Resource ID for the source image that should be displayed in the ImageView.
    private int mImageId;
 
    // Context of the app
    private Context mContext;

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boolean isRaining = true;
if (isRaining) {
     Log.v("WeatherActivity", "It's raining, better bring an umbrella.");
} else {
     Log.v("WeatherActivity", "It's unlikely to rain.");
}
Log.v("WeatherActivity", "Thank you for using the WhetherWeather App.");

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boolean isRaining = false;
Log.v("WeatherActivity", "Thank you for using the WhetherWeather App.");
if (isRaining) {
    Log.v("WeatherActivity", "It's raining, better bring an umbrella.");
} else {
    Log.v("WeatherActivity", "It's unlikely to rain.");
}

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int numberOfEmailsInInbox = 0;
int numberOfDraftEmails = 2;
String emailMessage = "You have " + numberOfEmailsInInbox + " emails. ";
String draftMessage = "You have " + numberOfDraftEmails + " email drafts.";
if (numberOfEmailsInInbox == 0) {
    emailMessage = "You have no new messages. ";
}

if (numberOfDraftEmails == 0) {
    draftMessage = "You have no new drafts.";

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int numberOfSmoothiesTillPrize = 10;
if (numberOfSmoothiesTillPrize > 9) {
    Log.v("SmoothieActivity", "Congratulations, you get a free smoothie!");
    numberOfSmoothiesTillPrize = numberOfSmoothiesTillPrize - 10;
} else {
    Log.v("SmoothieActivity", "No free smoothie this time.");
}
Log.v("SmoothieActivity", "You currently have " + numberOfSmoothiesTillPrize + " out of 10 smoothies needed for your next free smoothie.");