将LogCat中的详细出错提示发上来。
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09-23 22:54:49.060: I/System.out(30774): debugger has settled (1338)
09-23 22:56:09.395: D/AndroidRuntime(30774): Shutting down VM
09-23 22:56:09.395: W/dalvikvm(30774): threadid=1: thread exiting with uncaught exception (group=0x2aac8578)
09-23 22:56:09.463: E/AndroidRuntime(30774): FATAL EXCEPTION: main
09-23 22:56:09.463: E/AndroidRuntime(30774): java.lang.SecurityException: Need BLUETOOTH_ADMIN permission: Neither user 10124 nor current process has android.permission.BLUETOOTH_ADMIN.
09-23 22:56:09.463: E/AndroidRuntime(30774): at android.os.Parcel.readException(Parcel.java:1322)
09-23 22:56:09.463: E/AndroidRuntime(30774): at android.os.Parcel.readException(Parcel.java:1276)
09-23 22:56:09.463: E/AndroidRuntime(30774): at android.bluetooth.IBluetooth$Stub$Proxy.startDiscovery(IBluetooth.java:688)
09-23 22:56:09.463: E/AndroidRuntime(30774): at android.bluetooth.BluetoothAdapter.startDiscovery(BluetoothAdapter.java:610)
09-23 22:56:09.463: E/AndroidRuntime(30774): at com.PDATest.bluetooth.MainActivity$BtnSearchClicked.onClick(MainActivity.java:57)
09-23 22:56:09.463: E/AndroidRuntime(30774): at android.view.View.performClick(View.java:2552)
09-23 22:56:09.463: E/AndroidRuntime(30774): at android.view.View$PerformClick.run(View.java:9229)
09-23 22:56:09.463: E/AndroidRuntime(30774): at android.os.Handler.handleCallback(Handler.java:587)
09-23 22:56:09.463: E/AndroidRuntime(30774): at android.os.Handler.dispatchMessage(Handler.java:92)
09-23 22:56:09.463: E/AndroidRuntime(30774): at android.os.Looper.loop(Looper.java:130)
09-23 22:56:09.463: E/AndroidRuntime(30774): at android.app.ActivityThread.main(ActivityThread.java:3701)
09-23 22:56:09.463: E/AndroidRuntime(30774): at java.lang.reflect.Method.invokeNative(Native Method)
09-23 22:56:09.463: E/AndroidRuntime(30774): at java.lang.reflect.Method.invoke(Method.java:507)
09-23 22:56:09.463: E/AndroidRuntime(30774): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:866)
09-23 22:56:09.463: E/AndroidRuntime(30774): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:624)
09-23 22:56:09.463: E/AndroidRuntime(30774): at dalvik.system.NativeStart.main(Native Method)
<uses-permission android:name="android.permission.BLUETOOTH" />
在AndroidManifest.xml中加入如上句话。
我之前只加了一句"<uses-permission android:name= "android.permission.BLUETOOTH " />"