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Android対応 (2011-09-26 16:20 by coffee #59765)

Android対応について、ここに記す。

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RE: Android対応 (2011-09-26 16:25 by coffee #59766)

現在の実装だと、Android環境に以下のクラスが無いので、
sun.misc.BASE64Decoder
sun.misc.BASE64Encoder
これを使うjunkutil.crypt.DESは動かない。

同様に、sun.misc.HexDumpEncoderを使う
junkutil.common.DataDumper#dumpByteArrayは動かない。
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RE: Android対応 (2011-09-26 16:27 by coffee #59767)

前者について、Public Domainで実装されたBase64.javaが存在する。
これを利用できるかどうか、Public Domainについて調査を行う必要あり。
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RE: Android対応 (2011-09-26 16:28 by coffee #59768)

後者については、車輪の再発明を行う。
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RE: Android対応 (2011-09-26 23:09 by coffee #59776)

・Base64.javaを導入した。
　これでjunkutil.crypt.DESは動くはずである。
・sun.misc.HexDumpEncoder 相当の処理を実装した。
　これでjunkutil.common.DataDumper#dumpByteArrayは動くはずである。

詳細な検証は明後日に行う。
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RE: Android対応 (2011-09-27 09:54 by coffee #59785)

2011/09/27
ファイルI/Oの検証のため、AndroidFileUtilTestを作成。SDカードの読み書きをテストした。
SDカードへのアクセスには、AndroidManifest.xml に
　<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
の記述が必要。
また、SDカードのパスは
　Environment.getExternalStorageDirectory().getPath()
で取得する。
結果、問題なく読み書きが行えることを確認した。

1.0.8は、Andriod対応となる予定
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RE: Android対応 (2011-09-27 22:19 by coffee #59795)

ニュース

車輪の再発明で知られるJavaライブラリ開発プロジェクトJunkUtilは
9/28日、Androidエミュレータ上での動作検証を完了しました。

Android上でのJunkUtilの使用上の注意点は以下の通りです。

・junkutil.excel を使うには別途POIライブラリが必要。
・junkutil.gui はSwing依存のため動かない。

その他のクラスは問題なくAndroid上で動くことを確認しました。
さあ、みなさんのAndroid開発にjunkUtilを導入してみましょう！！
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RE: Android対応 (2011-10-05 18:35 by coffee #59950)

android marketのアプリ毎のpackage名は一度登録すると
変更も削除も重複も再利用もできない、ということらしい。

今後のアプリでは慎重に決めることにしよう……。
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RE: Android対応 (2011-10-05 23:07 by coffee #59954)

2011/10/05
Androidがある程度分かってきた。今後、
junkutil.andriod.Storage#hasSdCard
junkutil.andriod.Storage#getSdCardPath
などを追加するかもしれない。しないかもしれない。
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