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author | Tianjie Xu <xunchang@google.com> | 2020-12-29 01:46:10 +0100 |
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committer | Automerger Merge Worker <android-build-automerger-merge-worker@system.gserviceaccount.com> | 2020-12-29 01:46:10 +0100 |
commit | 08b3146aa2c2d5e39b4651fc8eb22c79b982b525 (patch) | |
tree | db9721aa2b1d6b46076730f2b92d78d642b48f0e | |
parent | Merge "minui: fix mem leakage issue" am: d694016206 am: ebfe03631c am: 28aa649e54 (diff) | |
parent | Merge "Add doc for image_generator" am: 40d4bc9e19 am: 0e46691951 (diff) | |
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Diffstat (limited to '')
-rw-r--r-- | README.md | 14 | ||||
-rw-r--r-- | tools/image_generator/README.md | 10 |
2 files changed, 24 insertions, 0 deletions
@@ -143,3 +143,17 @@ Note that this mechanism applies to both of normal boot and recovery modes. Both of the two conditions need to be satisfied. Although `ro.adb.secure` is a runtime property, its value is set at build time (written into `/prop.default`). It defaults to `1` on `-user` builds, and `0` for other build variants. The value is overridable via `PRODUCT_DEFAULT_PROPERTY_OVERRIDES`. + +Localization of the background texts +------------------------------------ + +The recovery image supports localization of several background texts, e.g. installing, error, +factory reset warnings, etc. For devices using `xxhdpi` and `xxxhdpi`, the build system generates +these localization images dynamically since android-10 when building the recovery image. While +the static images under res-*dpi/images/ is used for other display resolutions and as a +backup. + +Check the invocation of the image_generator tool in the [makefile]. And the detailed usage of the +image_generator is documented [here](./tools/image_generator/README.md). + +[makefile]: https://android.googlesource.com/platform/build/+/refs/heads/master/core/Makefile#1800 diff --git a/tools/image_generator/README.md b/tools/image_generator/README.md index 5d70354e4..1230ad510 100644 --- a/tools/image_generator/README.md +++ b/tools/image_generator/README.md @@ -19,3 +19,13 @@ emulators with different dpi. 4. `resourceDirectory`: The resource directory that contains all the translated strings in xml format, e.g. bootable/recovery/tools/recovery_l10n/res/ 5. `outputFilename`: Path to the generated image. + +# Locales +Supported locales and background texts are located in +[tools/recovery_l10n/res/](../recovery_l10n/res/values). For each background text, the tool renders +a localized image for every supported locale. + +Each individual localized image contains an encoded locale header string, and the rendered +background text. The locale header string is generated by `Locale.forLanguageTag`. And sample +result include `en-US`, `zh-CN`, etc. These individual images are then concatenated together to +form the final resource image that locates in res/images, e.g. `install_text.png` |