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  • android 4.4 添加物理按键

    kernel下添加

    Linux-3.4/drivers/input/keyboard/Makefile

    linux-3.4/drivers/input/keyboard/sw-keyboard.c

     sw_scankeycodes[]={

    [1] = KEY_GPS,

    }

    Android 下添加

    device/softwinner/wing-k70/configs/sw-keyboard.kl

    key 249 GPS WAKE

    frameworks/base/core/res/values/attrs.xml

    <enum name="KEYCODE_GPS" value="249" />

    frameworks/native/libs/input/input.cpp

     isSystemKey( int32_t keyCode){

            case AKEYCODE_GSP:

            return true;

    }

    frameworks/native/include/android/keycodes.h

           AKEYCODE_GPS = 249,

    frameworks/base/core/Java/android/view/keyEvent.java

    public static final int KEYCODE_GPS = 249;

    private static final int LAST_KEYCODE = KEYCODE_GSP;

    populateKeycodeSymbolicName()

    names.append(KEYCODE_MEDIA_AUDIO_TRACK,"KEYCODE_GPS");

    frameworks/base/policy/src/com/android/internal/policy/impl/phoneWindowManager.java

    interceptKeyBeforeDispatching()

    else if(keyCode == KeyEvent.KEYCODE_GPS){ //frameworks 中处理物理按键

    }

     
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  • 原文地址:https://www.cnblogs.com/zhujiabin/p/6972345.html
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