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
111
Resumeボタンをクリックすると、デバッガはコードを実行し、次のブレークポイントで停止する
（この場合、30 行）。コードが次のブレークポイントまで実行されたので、表示は変わる（図7-10 参照）。
実行が30 行で停止したので、再びコードの状態を探り、コンポーネントの値がどのように変わったか
を確かめられる。
図7-10 第2のブレークポイント
ここで「Variables」タブを見ると、
VALUE
変数の内容が変わり、
New Text Entered
という値を持っ
ていることがわかる。
ここでほかの値を見ることもできる。「Variables」タブで「tv」コンポーネント（TextViewを表す）を
クリックすると、このコンポーネントについてのさまざまな情報が得られる（図7-11参照）。Android
属性（パディング、アニメーション、書式設定など）や状態情報（現在表示されているテキストの内容
など）についての情報だ。コンポーネントのプロパティを詳細に理解するためには、さまざまな時点で
さまざまな値を探ると役に立つ。
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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.