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当我打电话时，我想要从后台服务启动一项活动。 我可以开始，当我打电话，手机是我的头（与接近传感器我asume做）如何在通话中显示活动
但是，当接近传感器检测到的东西，我尝试启动活动，该活动的onStart被调用，之后直接调用onStop。
有谁知道如何在通话过程中开始活动，接近传感器检测到什么？
01-02 15:42:14.829: I/KeepAliveService(5985): show pager call from Service
01-02 15:42:14.849: I/ActivityManager(167): Starting: Intent { flg=0x14050004 cmp=com.clb.clbmobile/.NewMessage (has extras) } from pid 5985
01-02 15:42:14.849: W/ActivityManager(167): Trying to launch com.clb.clbmobile/.NewMessage
01-02 15:42:14.859: D/KeyguardViewMediator(167): adjustUserActivityLocked mShowing: false mHidden: false
01-02 15:42:14.859: D/PowerManagerService(167): enableUserActivity true
01-02 15:42:14.859: D/StatusBarManagerService(167): manageDisableList what=0x0 pkg=android
01-02 15:42:14.859: D/InCallScreen(242): onWindowFocusChanged(false)...
01-02 15:42:14.859: D/InCallScreen(242): - onWindowFocusChanged: faking onDialerKeyUp()...
01-02 15:42:14.859: D/DTMFTwelveKeyDialer(242): Notifying dtmf key up.
01-02 15:42:14.889: I/KeepAliveService(5985): activity started
01-02 15:42:14.939: I/ClbActivity(5985): getting shared prefs
01-02 15:42:14.939: I/ClbActivity(5985): end shared prefs
01-02 15:42:14.939: I/AlertDialog(5985): Starting Alert Dialog
01-02 15:42:15.019: I/AlertDialog(5985): Done with init
01-02 15:42:15.079: D/BatteryService(167): update start
01-02 15:42:15.079: D/BatteryService(167): update start
01-02 15:42:15.079: D/BatteryService(167): update start
01-02 15:42:15.099: E/PlayerDriver(95): Creating Non-Tunnel mode playback - uncompressed MIO
01-02 15:42:15.099: W/MediaPlayer(5985): info/warning (1, 44)
01-02 15:42:15.109: I/AlertDialog(5985): Current volume = 15
01-02 15:42:15.109: E/MediaPlayer(5985): prepareAsync called in state 8
01-02 15:42:15.109: I/AlertDialog(5985): cant prepare Media Player
01-02 15:42:15.109: V/AudioPolicyManager(95): startOutput() output 1, stream 3, session 241
01-02 15:42:15.109: V/AudioPolicyManager(95): getDeviceForStrategy() from cache strategy 1, device 1
01-02 15:42:15.109: V/AudioPolicyManager(95): getNewDevice() selected device 1
01-02 15:42:15.109: V/AudioPolicyManager(95): setOutputDevice() output 1 device 1 delayMs 0
01-02 15:42:15.109: V/AudioPolicyManager(95): setOutputDevice() setting same device 1 or null device for output 1
01-02 15:42:15.109: V/AudioHardwareMSM72XX(95): open driver
01-02 15:42:15.109: V/AudioHardwareMSM72XX(95): get config
01-02 15:42:15.109: V/AudioHardwareMSM72XX(95): set config
01-02 15:42:15.109: V/AudioHardwareMSM72XX(95): buffer_size: 4800
01-02 15:42:15.109: V/AudioHardwareMSM72XX(95): buffer_count: 2
01-02 15:42:15.109: V/AudioHardwareMSM72XX(95): channel_count: 2
01-02 15:42:15.109: V/AudioHardwareMSM72XX(95): sample_rate: 44100
01-02 15:42:15.109: V/AudioHardwareMSM72XX(95): count : 4800
01-02 15:42:15.139: I/AlertDialog(5985): start pausing
01-02 15:42:15.149: I/MediaPlayer(5985): Info (1,44)
01-02 15:42:15.369: I/ActivityManager(167): Displayed com.clb.clbmobile/.NewMessage: +517ms
01-02 15:42:15.489: W/IInputConnectionWrapper(5985): showStatusIcon on inactive InputConnection
01-02 15:42:15.489: W/IInputConnectionWrapper(5985): getExtractedText on inactive InputConnection
01-02 15:42:15.499: D/InCallScreen(242): onStop()...
01-02 15:42:15.499: D/InCallScreen(242): onStop: state = OFFHOOK
01-02 15:42:15.509: D/InCallScreen(242): onResume()...
01-02 15:42:15.519: D/PhoneApp(242): setIgnoreTouchUserActivity(true)...
01-02 15:42:15.519: D/DTMFTwelveKeyDialer(242): startDialerSession()... this = [email protected]
01-02 15:42:15.519: D/DTMFTwelveKeyDialer(242): - startDialerSession: mDTMFToneEnabled = true
01-02 15:42:15.519: D/InCallScreen(242): - onResume: initial status = SUCCESS
01-02 15:42:15.519: D/InCallScreen(242): isBluetoothAudioConnected: ==> isAudioOn = false
01-02 15:42:15.519: D/InCallScreen(242): setInCallScreenMode: NORMAL
01-02 15:42:15.519: D/InCallScreen(242): [okToDialDTMFTones] foreground state: ACTIVE, ringing state: false, call screen mode: NORMAL, result: true
01-02 15:42:15.519: D/InCallScreen(242): isBluetoothAudioConnected: ==> isAudioOn = false
01-02 15:42:15.519: D/StatusBarManagerService(167): manageDisableList what=0x1 pkg=com.android.phone
01-02 15:42:15.519: D/PowerManagerService(167): setPokeLock pokey=16 tag=PhoneApp
01-02 15:42:15.519: D/PowerManagerService(167): setScreenOffTimeouts mKeylightDelay=3000 mDimDelay=7000 mScreenOffDelay=20000 mDimScreen=true
01-02 15:42:15.519: D/StatusBarManagerService(167): manageDisableList what=0x1 pkg=com.android.phone
01-02 15:42:15.519: I/CallOnGoingView(229): onDetachedFromWindow
01-02 15:42:15.669: D/InCallScreen(242): Handler: handling message { what=101 when=-48ms [email protected] } while not in foreground
01-02 15:42:15.669: D/InCallScreen(242): onPhoneStateChanged()...
01-02 15:42:15.669: D/PhoneApp(242): updateWakeState: callscreen false, dialer false, speaker false, state OFFHOOK...
01-02 15:42:15.669: D/PhoneApp(242): setScreenTimeout(DEFAULT)...
01-02 15:42:15.669: D/PhoneApp(242): requestWakeState(SLEEP)...
01-02 15:42:15.669: D/InCallScreen(242): onPhoneStateChanged: Activity not in foreground! Bailing out...
01-02 15:42:15.669: I/StatusBarManagerService(167): UPDATE-null , 0x7f020143
01-02 15:42:15.669: I/StatusBarService(229): REMOVE:MiniCon-1
01-02 15:42:15.689: I/AlertDialog(5985): start stopping
01-02 15:42:15.699: I/StatusBarService(229): ADD:MiniCon-1