• Android12---Alarm 闹钟去除重复铃声（MTK平台）

    问题

    客户提出需求说闹钟里面有三对重复的铃声，需要我们去除。

    代码位置

    alps/frameworks/base/data/sounds/AllAudio.mkpatch | blob | history
    alps/frameworks/base/data/sounds/AudioPackage10.mkpatch | blob | history
    alps/frameworks/base/data/sounds/AudioPackage11.mkpatch | blob | history
    alps/frameworks/base/data/sounds/AudioPackage7.mkpatch | blob | history
    alps/frameworks/base/data/sounds/AudioPackage7alt.mk[changed mode: 0644->0755]patch | blob | history
    alps/frameworks/base/data/sounds/AudioPackage8.mkpatch | blob | history
    alps/frameworks/base/data/sounds/AudioPackage9.mkpatch | blob | history
    alps/frameworks/base/data/sounds/AudioPackageGo.mkpatch | blob | history

    具体代码

    1. diff --git a/alps/frameworks/base/data/sounds/AllAudio.mk b/alps/frameworks/base/data/sounds/AllAudio.mk
    2. index c185198..b23d07f 100755 (executable)
    3. --- a/alps/frameworks/base/data/sounds/AllAudio.mk
    4. +++ b/alps/frameworks/base/data/sounds/AllAudio.mk
    5. @@ -25,14 +25,11 @@ PRODUCT_COPY_FILES += \
    6.      $(LOCAL_PATH)/alarms/ogg/Barium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Barium.ogg \
    7.      $(LOCAL_PATH)/alarms/ogg/Carbon.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Carbon.ogg \
    8.      $(LOCAL_PATH)/alarms/ogg/Fermium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Fermium.ogg \
    9. -    $(LOCAL_PATH)/alarms/ogg/Hassium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Hassium.ogg \
    10.      $(LOCAL_PATH)/alarms/ogg/Helium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Helium.ogg \
    11.      $(LOCAL_PATH)/alarms/ogg/Krypton.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Krypton.ogg \
    12. -    $(LOCAL_PATH)/alarms/ogg/Neon.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Neon.ogg \
    13.      $(LOCAL_PATH)/alarms/ogg/Neptunium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Neptunium.ogg \
    14.      $(LOCAL_PATH)/alarms/ogg/Nobelium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Nobelium.ogg \
    15.      $(LOCAL_PATH)/alarms/ogg/Osmium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Osmium.ogg \
    16. -    $(LOCAL_PATH)/alarms/ogg/Oxygen.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Oxygen.ogg \
    17.      $(LOCAL_PATH)/alarms/ogg/Plutonium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Plutonium.ogg \
    18.      $(LOCAL_PATH)/alarms/ogg/Promethium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Promethium.ogg \
    19.      $(LOCAL_PATH)/alarms/ogg/Scandium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Scandium.ogg \
    20. diff --git a/alps/frameworks/base/data/sounds/AudioPackage10.mk b/alps/frameworks/base/data/sounds/AudioPackage10.mk
    21. index 8198f50..39923dc 100755 (executable)
    22. --- a/alps/frameworks/base/data/sounds/AudioPackage10.mk
    23. +++ b/alps/frameworks/base/data/sounds/AudioPackage10.mk
    24. @@ -12,8 +12,6 @@ PRODUCT_COPY_FILES += \
    25.          $(LOCAL_PATH)/alarms/ogg/Carbon.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Carbon.ogg \
    26.          $(LOCAL_PATH)/alarms/ogg/Helium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Helium.ogg \
    27.          $(LOCAL_PATH)/alarms/ogg/Krypton.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Krypton.ogg \
    28. -        $(LOCAL_PATH)/alarms/ogg/Neon.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Neon.ogg \
    29. -        $(LOCAL_PATH)/alarms/ogg/Oxygen.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Oxygen.ogg \
    30.          $(LOCAL_PATH)/alarms/ogg/Osmium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Osmium.ogg \
    31.         $(LOCAL_PATH)/effects/ogg/Effect_Tick_48k.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/ui/Effect_Tick.ogg \
    32.         $(LOCAL_PATH)/effects/ogg/KeypressStandard_48k.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/ui/KeypressStandard.ogg \
    33. diff --git a/alps/frameworks/base/data/sounds/AudioPackage11.mk b/alps/frameworks/base/data/sounds/AudioPackage11.mk
    34. index 3288296..ff63251 100755 (executable)
    35. --- a/alps/frameworks/base/data/sounds/AudioPackage11.mk
    36. +++ b/alps/frameworks/base/data/sounds/AudioPackage11.mk
    37. @@ -12,8 +12,6 @@ PRODUCT_COPY_FILES += \
    38.         $(LOCAL_PATH)/alarms/ogg/Carbon.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Carbon.ogg \
    39.         $(LOCAL_PATH)/alarms/ogg/Helium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Helium.ogg \
    40.         $(LOCAL_PATH)/alarms/ogg/Krypton.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Krypton.ogg \
    41. -       $(LOCAL_PATH)/alarms/ogg/Neon.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Neon.ogg \
    42. -       $(LOCAL_PATH)/alarms/ogg/Oxygen.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Oxygen.ogg \
    43.         $(LOCAL_PATH)/alarms/ogg/Osmium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Osmium.ogg \
    44.         $(LOCAL_PATH)/effects/ogg/Effect_Tick_48k.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/ui/Effect_Tick.ogg \
    45.         $(LOCAL_PATH)/effects/ogg/KeypressStandard_48k.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/ui/KeypressStandard.ogg \
    46. diff --git a/alps/frameworks/base/data/sounds/AudioPackage7.mk b/alps/frameworks/base/data/sounds/AudioPackage7.mk
    47. index 607493d..a650167 100755 (executable)
    48. --- a/alps/frameworks/base/data/sounds/AudioPackage7.mk
    49. +++ b/alps/frameworks/base/data/sounds/AudioPackage7.mk
    50. @@ -9,7 +9,6 @@ LOCAL_PATH:= frameworks/base/data/sounds
    51.  
    52.  PRODUCT_COPY_FILES += \
    53.         $(LOCAL_PATH)/alarms/ogg/Fermium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Fermium.ogg \
    54. -       $(LOCAL_PATH)/alarms/ogg/Hassium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Hassium.ogg \
    55.         $(LOCAL_PATH)/alarms/ogg/Neptunium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Neptunium.ogg \
    56.         $(LOCAL_PATH)/alarms/ogg/Nobelium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Nobelium.ogg \
    57.         $(LOCAL_PATH)/alarms/ogg/Plutonium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Plutonium.ogg \
    58. diff --git a/alps/frameworks/base/data/sounds/AudioPackage7alt.mk b/alps/frameworks/base/data/sounds/AudioPackage7alt.mk
    59. old mode 100644 (file)
    60. new mode 100755 (executable)
    61. index a0f4d89..7ff9386
    62. --- a/alps/frameworks/base/data/sounds/AudioPackage7alt.mk
    63. +++ b/alps/frameworks/base/data/sounds/AudioPackage7alt.mk
    64. @@ -12,8 +12,6 @@ PRODUCT_COPY_FILES += \
    65.         $(LOCAL_PATH)/alarms/ogg-jp/Carbon.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Carbon.ogg \
    66.         $(LOCAL_PATH)/alarms/ogg-jp/Helium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Helium.ogg \
    67.         $(LOCAL_PATH)/alarms/ogg-jp/Krypton.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Krypton.ogg \
    68. -       $(LOCAL_PATH)/alarms/ogg-jp/Neon.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Neon.ogg \
    69. -       $(LOCAL_PATH)/alarms/ogg-jp/Oxygen.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Oxygen.ogg \
    70.         $(LOCAL_PATH)/effects/ogg/Effect_Tick.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/ui/Effect_Tick.ogg \
    71.         $(LOCAL_PATH)/effects/ogg/KeypressStandard_120.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/ui/KeypressStandard.ogg \
    72.         $(LOCAL_PATH)/effects/ogg/KeypressSpacebar_120.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/ui/KeypressSpacebar.ogg \
    73. diff --git a/alps/frameworks/base/data/sounds/AudioPackage8.mk b/alps/frameworks/base/data/sounds/AudioPackage8.mk
    74. index cf1d840..46b3474 100755 (executable)
    75. --- a/alps/frameworks/base/data/sounds/AudioPackage8.mk
    76. +++ b/alps/frameworks/base/data/sounds/AudioPackage8.mk
    77. @@ -9,7 +9,6 @@ LOCAL_PATH:= frameworks/base/data/sounds
    78.  
    79.  PRODUCT_COPY_FILES += \
    80.         $(LOCAL_PATH)/alarms/ogg/Fermium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Fermium.ogg \
    81. -       $(LOCAL_PATH)/alarms/ogg/Hassium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Hassium.ogg \
    82.         $(LOCAL_PATH)/alarms/ogg/Neptunium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Neptunium.ogg \
    83.         $(LOCAL_PATH)/alarms/ogg/Nobelium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Nobelium.ogg \
    84.         $(LOCAL_PATH)/alarms/ogg/Osmium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Osmium.ogg \
    85. diff --git a/alps/frameworks/base/data/sounds/AudioPackage9.mk b/alps/frameworks/base/data/sounds/AudioPackage9.mk
    86. index d250c53..f82751d 100755 (executable)
    87. --- a/alps/frameworks/base/data/sounds/AudioPackage9.mk
    88. +++ b/alps/frameworks/base/data/sounds/AudioPackage9.mk
    89. @@ -12,8 +12,6 @@ PRODUCT_COPY_FILES += \
    90.          $(LOCAL_PATH)/alarms/ogg/Carbon.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Carbon.ogg \
    91.          $(LOCAL_PATH)/alarms/ogg/Helium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Helium.ogg \
    92.          $(LOCAL_PATH)/alarms/ogg/Krypton.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Krypton.ogg \
    93. -        $(LOCAL_PATH)/alarms/ogg/Neon.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Neon.ogg \
    94. -        $(LOCAL_PATH)/alarms/ogg/Oxygen.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Oxygen.ogg \
    95.          $(LOCAL_PATH)/alarms/ogg/Osmium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Osmium.ogg \
    96.         $(LOCAL_PATH)/effects/ogg/Effect_Tick.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/ui/Effect_Tick.ogg \
    97.         $(LOCAL_PATH)/effects/ogg/KeypressStandard.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/ui/KeypressStandard.ogg \
    98. diff --git a/alps/frameworks/base/data/sounds/AudioPackageGo.mk b/alps/frameworks/base/data/sounds/AudioPackageGo.mk
    99. index f7f52ef..5892e0c 100755 (executable)
    100. --- a/alps/frameworks/base/data/sounds/AudioPackageGo.mk
    101. +++ b/alps/frameworks/base/data/sounds/AudioPackageGo.mk
    102. @@ -39,7 +39,6 @@ PRODUCT_COPY_FILES += \
    103.      $(LOCAL_PATH)/alarms/ogg/Argon.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Argon.ogg \
    104.      $(LOCAL_PATH)/Alarm_Beep_03.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Alarm_Beep_03.ogg \
    105.      $(LOCAL_PATH)/alarms/ogg/Helium.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Helium.ogg \
    106. -    $(LOCAL_PATH)/alarms/ogg/Oxygen.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/alarms/Oxygen.ogg \
    107.      $(LOCAL_PATH)/effects/ogg/Effect_Tick.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/ui/Effect_Tick.ogg \
    108.      $(LOCAL_PATH)/effects/ogg/KeypressStandard.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/ui/KeypressStandard.ogg \
    109.      $(LOCAL_PATH)/effects/ogg/KeypressSpacebar.ogg:$(TARGET_COPY_OUT_PRODUCT)/media/audio/ui/KeypressSpacebar.ogg \

    代码分析

    Android手机的默认铃声在system/media/audio/下面。一共有四种，分别是notifications,alarms,ringtones,ui

    但这些铃声是从哪加载来的了

    在源码中，这些铃声是保存在frameworks/base/data/sounds/下面

    通过相应的.mk文件将音频文件放到手机的相应目录下面

    通过查看，发现是在frameworks/base/data/sounds/下面的AllAudio.mk里定义的

    只要把相同的铃声去掉即可
     

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  • 原文地址：https://blog.csdn.net/m0_66587877/article/details/133162689