android 监听 USB 拔插广播消息
16lz
2022-06-17
USBBroadcastReceiver.java
1 package com.example.communication; 2 3 import android.content.BroadcastReceiver; 4 import android.content.Context; 5 import android.content.Intent; 6 import android.widget.Toast; 7 8 public class USBBroadcastReceiver extends BroadcastReceiver{ 9 @Override10 public void onReceive(Context context, Intent intent) {11 // TODO Auto-generated method stub12 if(intent.getAction().equals("android.hardware.usb.action.USB_STATE")){13 if (intent.getExtras().getBoolean("connected")){14 // usb 插入15 Toast.makeText(context, "插入", Toast.LENGTH_LONG).show();16 }else{17 // usb 拔出18 Toast.makeText(context, "拔出", Toast.LENGTH_LONG).show();19 }20 }21 }22 }
AndroidManifest.xml
1 <receiver android:name=".USBBroadcastReceiver"> 2 <intent-filter android:priority="800"> 3 <action android:name="android.hardware.usb.action.USB_STATE"/>4 </intent-filter> 5 </receiver>
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