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232 lines
11 KiB
HTML
232 lines
11 KiB
HTML
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<h1 class="menu-title">Android Debloat List</h1>
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<main>
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<h1 id="comandroidwallpaperbackup"><a class="header" href="#comandroidwallpaperbackup">com.android.wallpaperbackup</a></h1>
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<p><code>com.android.wallpaperbackup</code></p>
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<div class="tags">
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<ul>
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<li data-tag=aosp><i class="fa fa-android"></i> AOSP</li>
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<li data-tag=delete>Safe to delete</li>
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</div>
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<p>Backs up and restores wallpaper and metadata related to it.</p>
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<p>This agent has its own package because it does full backup as opposed to SystemBackupAgent which does key/value backup.</p>
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<p>This class stages wallpaper files for backup by copying them into its own directory because of the following reasons:</p>
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<p>Non-system users don’t have permission to read the directory that the system stores the wallpaper files in</p>
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<p>BackupAgent enforces that backed up files must live inside the package’s getFilesDir()</p>
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<p>There are 3 files to back up:</p>
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<p>The “wallpaper info” file which contains metadata like the crop applied to the wallpaper or the live wallpaper component name.</p>
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<p>The “system” wallpaper file.</p>
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<p>An optional “lock” wallpaper, which is shown on the lockscreen instead of the system wallpaper if set.</p>
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<p>On restore, the metadata file is parsed and WallpaperManager APIs are used to set the wallpaper.</p>
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<p>Note that if there’s a live wallpaper, the live wallpaper package name will be part of the metadata file and the wallpaper will be applied when the package it’s installed.</p>
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<h2 id="references" class="refs"><a class="header" href="#references">References</a></h2>
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<ol>
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<li><a href="https://android.googlesource.com/platform/frameworks/base/+/master/packages/WallpaperBackup/src/com/android/wallpaperbackup/WallpaperBackupAgent.java">https://android.googlesource.com/platform/frameworks/base/+/master/packages/WallpaperBackup/src/com/android/wallpaperbackup/WallpaperBackupAgent.java</a></li>
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</ol>
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<p><a href="app-manager://details?id=com.android.wallpaperbackup">Open in App Manager</a></p>
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