April 2014
Intermediate to advanced
260 pages
5h
Japanese
Content preview from 実践 Android Developer Tools
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7.2
デバッグ
103
と細かくログを見なければならない場合が多い。そのためには、見たいカテゴリを表示するために作っ
たカスタムタグを使う。関心を持っている情報だけが表示されるので、特定の処理の様子が非常に理
解しやすくなる。
たとえば、ユーザー操作に関連する情報だけを見たい場合は、UIタグを使ってフィルタリングをす
る。この場合、UIタグの横に
*
を付け（すべてのメッセージを見たいという意味）、さらにほかのすべ
てのメッセージを止めることを指示する
*:s
を指定する。
$ adb logcat UI:* *:s
D/UI ( 897): The user has pressed the button
D/UI ( 897): The user entered a value: value from the call is: 24324
D/UI ( 897): Setting value o
n screen to: Euro 183.95
Web呼 び 出しと 応 答 の パ ー スに 関 連 し た ロジ ッ ク を 見 な け れ ば な ら な い とき の 場 合 は、
NETWORK、JSONカテゴリを組み合わせて使う。
$ adb logcat JSON:* NETWORK:* *:s
D/NETWORK ( 897): URL to send: http://rate-exchange.appspot.com/currency?
from=USD&to=EUR&q=243.24-->
D/NET ...
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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.