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.
10.2
DDMS
（
Dalvik Debug Monitor Server
）
163
図10-2 Analyzer Toolの出力を見る
リスト内の特定のクラスを探したい場合は、「Filter」ボックスに名前を入力する。入力とともにサー
チが実行される。
特定のオブジェクトについてのさらに詳しい情報を見るには、それを選択して第2 のテーブルでス
タックトレースを表示する。このビューには、オブジェクトが作成された場所のファイル、オブジェ
クト、メソッド、割り当てまでのスタックトレースなど、オブジェクトについてのさらに詳細な情報が
表示される。
10.2.3
Threads
アプリケーションを起動すると、Androidシステムは1 つの実行スレッドを持つ新しいLinuxプロ
セスを起動する。一般に、アプリケーションのすべてのコンポーネントは、同じプロセスの同じスレッ
ドのなかで実行される。このスレッドは、一般にUIスレッドと呼ばれる。すべてのもとがこの単一の
プロセスなので、実行をブロックしている（そし
て、アプリケーションのほかの部分を止めている）プ
ロセスを見つけるのは重要なことだ。幸い、Threadsツールを使えば、スレッドの使用状況について
のさまざまな統計情報は簡単に得られる。
10.2.3.1
Threads
ツールを実行する
Threadsツールを実行するには、次のようにする。
1. デバイス上でプロファイリングしたいアプリケーションを起動する。
2. Devicesタブで、監視したいプロセスを選択す
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.