April 2014
Intermediate to advanced
260 pages
5h
Japanese
Content preview from 実践 Android Developer Tools
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.
10.3
MAT
（
Memory Analyzer Tool
）
169
アップデートサイトの
URL
を入力すると、「
Duplicate Location Exists
」（重複
する位置がある）という警告が表示される場合がある。その場合は、
MAT
アップ
デートサイトメインアップデートサイトのサブカテゴリになっている。
MAT
をイ
ンストールするには、「
Work With:
」ボックスにメインアップデートサイト（たと
えば、「
Eclipse Indigo Update Site
」）を選択する。そして、リストから「
Memory
Analyzer
」を見つけ出してくる。その横にチェックマークを付ければ、あとはい
つもと同じようにインストールに進める。
10.3.4
Eclipse
のなかから
MAT
を起動する
Eclipseを使っている場合、DDMSの個人設定のなかにHPROFファイルを自動的に変換して MAT
ツールを起動する（インストールされている場合）ためのオプションがある。デフォルトの動
作として
これを設定したい場合は、「Window」→「Preferences」→「Android」→「DDMS」を選ぶ。
ヒープデータの履歴を見たい場合には、HPROFファイルのコピーを残せばよい（自動テスト中に実
行することも、マニュアルでコピーすることもできる）。
10.3.5
MAT
を使って
HPROF
ファイルを分析する
MATツールの使い方は少し込み入っている。機能が豊富で、メモリ関連の問題点を見つける方法
もたくさん用意している ...
Become an O’Reilly member and get unlimited access to this title plus top books and audiobooks from O’Reilly and nearly 200 top publishers, thousands of courses curated by job role, 150+ live events each month,
and much more.
Read now
Unlock full access
More than 5,000 organizations count on O’Reilly
O’Reilly covers everything we've got, with content to help us build a world-class technology community, upgrade the capabilities and competencies of our teams, and improve overall team performance as well as their engagement.Julian F.
I wanted to learn C and C++, but it didn't click for me until I picked up an O'Reilly book. When I went on the O’Reilly platform, I was astonished to find all the books there, plus live events and sandboxes so you could play around with the technology.Addison B.
I’ve been on the O’Reilly platform for more than eight years. I use a couple of learning platforms, but I'm on O'Reilly more than anybody else. When you're there, you start learning. I'm never disappointed.Amir M.
I'm always learning. So when I got on to O'Reilly, I was like a kid in a candy store. There are playlists. There are answers. There's on-demand training. It's worth its weight in gold, in terms of what it allows me to do.