Android Bluetooth: Software Caused Connection Abort IOException? [duplicate]

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Official reasons for “Software caused connection abort: socket write error”

I have problems with BluetoothChat I can't connect Droid . I always get this IOException

08-09 20:58:24.889: INFO/BluetoothChat(17378): MESSAGE_STATE_CHANGE: 3
08-09 20:58:51.053: DEBUG/BluetoothService(17378): BT_SEND_MESSAGE
08-09 20:58:51.108: ERROR/BluetoothService(17378): disconnected
08-09 20:58:51.开发者_JS百科108: ERROR/BluetoothService(17378): java.io.IOException: Software caused connection    abort
08-09 20:58:51.108: ERROR/BluetoothService(17378):     at android.bluetooth.BluetoothSocket.readNative (Native Method)
08-09 20:58:51.108: ERROR/BluetoothService(17378):     at android.bluetooth.BluetoothSocket.read(BluetoothSocket.java:286)
08-09 20:58:51.108: ERROR/BluetoothService(17378):     at android.bluetooth.BluetoothInputStream.read(BluetoothInputStream.java:96)
08-09 20:58:51.108: ERROR/BluetoothService(17378):     at java.io.InputStream.read(InputStream.java:133)
08-09 20:58:51.108: ERROR/BluetoothService(17378):     at my.test.BluetoothChatService$ConnectedThread.run(BluetoothChatService.java:356)

How can I solve this problem?

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<uses-permission android:name="android.permission.BLUETOOTH_ADMIN" />
    <uses-permission android:name="android.permission.BLUETOOTH" />
    <uses-permission android:name="android.permission.READ_PHONE_STATE"></uses-permission>
    <uses-permission android:name="android.permission.WRITE_SYNC_SETTINGS"></uses-permission>

add these permissions.