Android監聽藍牙耳機的按鍵事件

一、本文測試環境：

1、使用Dacom M10藍牙耳機

2、成功監測到“電話鍵”(音量鍵沒有監測到)

3、參考資料

4、參考源碼

二、一些說明

連接藍牙耳機后，需打開如圖所示的兩個選項。

二、代碼實現

@Override

public boolean onKeyDown(int keyCode, KeyEvent event) {

printToast(parseKeyCode(keyCode));

return true;

}

public String parseKeyCode(int keyCode) {

String ret = "";

switch (keyCode) {

case KeyEvent.KEYCODE_POWER:

// 監控/攔截/屏蔽電源鍵 這里攔截不了

ret = "get Key KEYCODE_POWER(KeyCode:" + keyCode + ")";

break;

case KeyEvent.KEYCODE_RIGHT_BRACKET:

// 監控/攔截/屏蔽返回鍵

ret = "get Key KEYCODE_RIGHT_BRACKET";

break;

case KeyEvent.KEYCODE_MENU:

// 監控/攔截菜單鍵

ret = "get Key KEYCODE_MENU";

break;

case KeyEvent.KEYCODE_HOME:

// 由于Home鍵為系統鍵，此處不能捕獲

ret = "get Key KEYCODE_HOME";

break;

case KeyEvent.KEYCODE_DPAD_UP:

// 監控/攔截/屏蔽上方向鍵

ret = "get Key KEYCODE_DPAD_UP";

break;

case KeyEvent.KEYCODE_DPAD_LEFT:

// 監控/攔截/屏蔽左方向鍵

ret = "get Key KEYCODE_DPAD_LEFT";

break;

case KeyEvent.KEYCODE_DPAD_RIGHT:

// 監控/攔截/屏蔽右方向鍵

ret = "get Key KEYCODE_DPAD_RIGHT";

break;

case KeyEvent.KEYCODE_DPAD_DOWN:

// 監控/攔截/屏蔽下方向鍵

ret = "get Key KEYCODE_DPAD_DOWN";

break;

case KeyEvent.KEYCODE_DPAD_CENTER:

// 監控/攔截/屏蔽中方向鍵

ret = "get Key KEYCODE_DPAD_CENTER";

break;

case KeyEvent.FLAG_KEEP_TOUCH_MODE:

// 監控/攔截/屏蔽長按

ret = "get Key FLAG_KEEP_TOUCH_MODE";

break;

case KeyEvent.KEYCODE_VOLUME_DOWN:

// 監控/攔截/屏蔽下方向鍵

ret = "get Key KEYCODE_VOLUME_DOWN(KeyCode:" + keyCode + ")";

break;

case KeyEvent.KEYCODE_VOLUME_UP:

// 監控/攔截/屏蔽中方向鍵

ret = "get Key KEYCODE_VOLUME_UP(KeyCode:" + keyCode + ")";

break;

case 220:

// case KeyEvent.KEYCODE_BRIGHTNESS_DOWN:

// 監控/攔截/屏蔽亮度減鍵

ret = "get Key KEYCODE_BRIGHTNESS_DOWN(KeyCode:" + keyCode + ")";

break;

case 221:

// case KeyEvent.KEYCODE_BRIGHTNESS_UP:

// 監控/攔截/屏蔽亮度加鍵

ret = "get Key KEYCODE_BRIGHTNESS_UP(KeyCode:" + keyCode + ")";

break;

case KeyEvent.KEYCODE_MEDIA_PLAY:

ret = "get Key KEYCODE_MEDIA_PLAY(KeyCode:" + keyCode + ")";

break;

case KeyEvent.KEYCODE_MEDIA_PAUSE:

ret = "get Key KEYCODE_MEDIA_PAUSE(KeyCode:" + keyCode + ")";

break;

case KeyEvent.KEYCODE_MEDIA_PREVIOUS:

ret = "get Key KEYCODE_MEDIA_PREVIOUS(KeyCode:" + keyCode + ")";

break;

case KeyEvent.KEYCODE_MEDIA_PLAY_PAUSE:

ret = "get Key KEYCODE_MEDIA_PLAY_PAUSE(KeyCode:" + keyCode + ")";

break;

case KeyEvent.KEYCODE_MEDIA_NEXT:

ret = "get Key KEYCODE_MEDIA_NEXT(KeyCode:" + keyCode + ")";

break;

default:

ret = "keyCode: "

+ keyCode

+ " (http://developer.android.com/reference/android/view/KeyEvent.html)";

break;

}

return ret;

}

public void printToast(String str) {

tvShow.setText(str);

}

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