http://blog.csdn.net/liuyidenny/article/details/7175977
原生态的android系统中在状态栏貌似没有耳机这个图标显示,下面我们可以通过这个方法添加一个耳机的图标:
系统状态栏要显示的图标,都会在Framework/base/core/res/res/values的两个xml文件里添加图标要显示的位置信息。
config.xml:
com.android.systemui/com.android.systemui.statusbar.StatusBarService
ime
sync_failing
sync_active
gps
bluetooth
nfc
tty
speakerphone
headset
mute
volume
wifi
cdma_eri
no_sim_card2
phone_signal_second_sub
data_connection
phone_evdo_signal
no_sim_card1
phone_signal
battery
alarm_clock
secure
clock
arrays.xml
clock
secure
alarm_clock
battery
phone_signal
phone_evdo_signal
data_connection
phone_signal_second_sub
cdma_eri
tty
volume
mute
speakerphone
headset
wifi
tty
bluetooth
gps
sync_active
sync_failing
ime
接下来在drawable里添加耳机图片,耳机大小不能超过25*25,否则会出现显示被压缩的。
系统所有的图标控制显示都是在SystemUI的StatusBarPolicy.java文件里
在这里我们就可以添加服务和广播,监听耳机插拔的事件如下:
private BroadcastReceiver mIntentReceiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
if (action.equals(Intent.ACTION_BATTERY_CHANGED)) {
updateBattery(intent);
}
else if (action.equals(Intent.ACTION_ALARM_CHANGED)) {
updateAlarm(intent);
//耳机广播
}else if(action.equals(Intent.ACTION_HEADSET_PLUG)){
updateHeadset(intent);
//耳机广播
}else if (action.equals(Intent.ACTION_SYNC_STATE_CHANGED)) {
updateSyncState(intent);
}
else if (action.equals(Intent.ACTION_BATTERY_LOW)) {
onBatteryLow(intent);
}
else if (action.equals(Intent.ACTION_BATTERY_OKAY)
|| action.equals(Intent.ACTION_POWER_CONNECTED)) {
onBatteryOkay(intent);
}
else if (action.equals(BluetoothAdapter.ACTION_STATE_CHANGED) ||
action.equals(BluetoothHeadset.ACTION_STATE_CHANGED) ||
action.equals(BluetoothA2dp.ACTION_SINK_STATE_CHANGED) ||
action.equals(BluetoothPbap.PBAP_STATE_CHANGED_ACTION)) {
updateBluetooth(intent);
}
else if (action.equals(WifiManager.NETWORK_STATE_CHANGED_ACTION) ||
action.equals(WifiManager.WIFI_STATE_CHANGED_ACTION) ||
action.equals(WifiManager.RSSI_CHANGED_ACTION)) {
updateWifi(intent);
}
else if (action.equals(LocationManager.GPS_ENABLED_CHANGE_ACTION) ||
action.equals(LocationManager.GPS_FIX_CHANGE_ACTION)) {
updateGps(intent);
}
else if (action.equals(AudioManager.RINGER_MODE_CHANGED_ACTION) ||
action.equals(AudioManager.VIBRATE_SETTING_CHANGED_ACTION)) {
updateVolume();
}
else if (action.equals(TelephonyIntents.ACTION_SIM_STATE_CHANGED)) {
updateSimState(intent);
}
else if (action.equals(TtyIntent.TTY_ENABLED_CHANGE_ACTION)) {
updateTTY(intent);
}
else if (action.equals(ConnectivityManager.CONNECTIVITY_ACTION) ||
action.equals(ConnectivityManager.INET_CONDITION_ACTION)) {
// TODO - stop using other means to get wifi/mobile info
updateConnectivity(intent);
}
else if (action.equals(WimaxManagerConstants.WIMAX_ENABLED_STATUS_CHANGED) ||
action.equals(WimaxManagerConstants.SIGNAL_LEVEL_CHANGED_ACTION) ||
action.equals(WimaxManagerConstants.WIMAX_STATE_CHANGED_ACTION)) {
updateWiMAX(intent);
}
}
};
然后在初始化StatusBarPolicy里加入服务 public StatusBarPolicy(Context context)
//headset
mService.setIcon("headset", R.drawable.stat_sys_headset, 0);
mService.setIconVisibility("headset", false);
自定义一个类:
//耳机图标显示控制
private final void updateHeadset(Intent intent) {
final String action = intent.getAction();
if (action.equals(Intent.ACTION_HEADSET_PLUG)) {
int state = intent.getIntExtra("state", 0);
if (state == 1) {
mService.setIconVisibility("headset", true);
} else {
mService.setIconVisibility("headset", false);
}
}
}
行了,这样我们就可以在状态栏看到刚添加的耳机图标。OK!呵呵。。。当然系统底层也需要这样一个广播发送哦!