android4.x 增加一个新按键&&修改android默认语言

修改一下文件

一， kernel  ，，，不说了

二， android

1，android\frameworks\base\data\keyboards\qwerty.kl

2,android\frameworks\base\data\keyboards\Generic.kl

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

4,frameworks/base/include/androidfw/KeycodeLabels.h

static const KeycodeLabel KEYCODES[] = {

    { "SOFT_LEFT", 1 },

    { "SOFT_RIGHT", 2 },

    { "HOME", 3 },

    { "BACK", 4 },

    { "CALL", 5 },

    { "ENDCALL", 6 },

    { "0", 7 },

5,,frameworks/native/include/android/keycodes.h 

6,,vi frameworks/base/core/java/android/view/KeyEvent.java 

      public static final int KEYCODE_ASSIST          = 219;

 ++   public static final int KEYCODE_KNOCK_RIGHT     = 252;//add by jiangdou

  ++  public static final int KEYCODE_KNOCK_LEFT      = 253;//add by jiangdou

.....()...

    private static void populateKeycodeSymbolicNames() {

        SparseArray<String> names = KEYCODE_SYMBOLIC_NAMES;

        names.append(KEYCODE_UNKNOWN, "KEYCODE_UNKNOWN");

    names.append(KEYCODE_ASSIST, "KEYCODE_ASSIST");

   ++     names.append(KEYCODE_KNOCK_RIGHT, "KEYCODE_KNOCK_RIGHT");//add by jiangdou

    ++    names.append(KEYCODE_KNOCK_LEFT, "KEYCODE_KNOCK_LEFT");//add by jiangdou

......()....

7,  vi frameworks/base/libs/androidfw/Input.cpp

...............()....

bool KeyEvent::hasDefaultAction(int32_t keyCode) {

    switch (keyCode) {

        case AKEYCODE_HOME:

case AKEYCODE_MEDIA_RECORD:

   ++     case AKEYCODE_KNOCK_RIGHT:

   ++     case AKEYCODE_KNOCK_LEFT:

..............().........

8,,,,vi external/webkit/Source/WebKit/android/plugins/ANPKeyCodes.h

.......()....

       kAppSwitch_ANPKeyCode = 187,

++   kKnockRight_ANPKeyCode = 252,

++    kKnockLeft_ANPKeyCode = 253,

9编译ERROR

编译出错：

out/target/common/obj/PACKAGING/public_api.txt:22549: error 17: Field android.view.KeyEvent.KEYCODE_STAR has changed value from 17 to 227

out/target/common/obj/PACKAGING/public_api.txt:22636: error 17: Field android.view.KeyEvent.KEYCODE_POUND has changed value from 18 to 228

******************************

You have tried to change the API from what has been previously released in

an SDK.  Please fix the errors listed above.

******************************

解决办法：

自己找到了在framework/base/api 下有n（n取决于你源码的版本，如果你源码的版本是4.0.4
，那么就 有分别以 1~ 15命名的xml或txt，就是api level）个xml或txt文档，分别对应android api 的不同版本。   在这些xml中，把你在framework层中修改的地方对应进去。 如我这个错误的地方，在15.txt 和 current.xml 中找到“KEYCODE_STAR”，把里面的value 值改成和你代码中值一致就可以了。

modify

1,     vi  framework/base/api/15.txt

         field public static final int KEYCODE_ZOOM_IN = 168; // 0xa8

  ++  field public static final int KEYCODE_KNOCK_RIGHT = 252; // 0xFC

  ++  field public static final int KEYCODE_KNOCK_LEFT = 253; // 0xFD

        field public static final int KEYCODE_ZOOM_OUT = 169; // 0xa9

2,   vi  framework/base/api/16.txt

            field public static final int KEYCODE_ZOOM_IN = 168; // 0xa8

  ++  field public static final int KEYCODE_KNOCK_RIGHT = 252; // 0xFC

  ++  field public static final int KEYCODE_KNOCK_LEFT = 253; // 0xFD

        field public static final int KEYCODE_ZOOM_OUT = 169; // 0xa9

3,   vi  framework/base/api/17.txt

            field public static
final int KEYCODE_ZOOM_IN = 168; // 0xa8

  ++  field public static final int KEYCODE_KNOCK_RIGHT = 252; // 0xFC

  ++  field public static final int KEYCODE_KNOCK_LEFT = 253; // 0xFD

        field public static final int KEYCODE_ZOOM_OUT = 169; // 0xa9

4   2,   vi  framework/base/api/16.txt

           field public static final int KEYCODE_ZOOM_IN = 168; // 0xa8

  ++  field public static final int KEYCODE_KNOCK_RIGHT = 252; // 0xFC

  ++  field public static final int KEYCODE_KNOCK_LEFT = 253; // 0xFD

        field public static final int KEYCODE_ZOOM_OUT = 169; // 0xa9

5,,,  vi frameworks/base/api/current.txt 

           field public static final int KEYCODE_ZOOM_IN = 168; // 0xa8

  ++  field public static final int KEYCODE_KNOCK_RIGHT = 252; // 0xFC

  ++  field public static final int KEYCODE_KNOCK_LEFT = 253; // 0xFD

        field public static final int KEYCODE_ZOOM_OUT = 169; // 0xa9

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修改android默认语言

vi   vi device/softwinner/wing-common/ProductCommon.mk