上一篇文章看了android连接蓝牙打印，现在我们看看android怎么通过无线连接打印机
输入打印机的IP地址和端口就可以连接上打印机了
package com.qizi.app.ui;
import android.Manifest;
import android.app.PendingIntent;
import android.content.BroadcastReceiver;
import android.content.Context;
import android.content.Intent;
import android.content.IntentFilter;
import android.content.pm.PackageManager;
import android.hardware.usb.UsbDevice;
import android.hardware.usb.UsbManager;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.text.TextUtils;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.Toast;
import com.qizi.app.MyApplication;
import com.qizi.app.R;
import com.qizi.app.model.user.UserModel;
import com.qizi.app.ui.bt.CheckWifiConnThread;
import com.qizi.app.ui.bt.Constant;
import com.qizi.app.ui.bt.DeviceConnFactoryManager;
import com.qizi.app.ui.bt.PrintContent;
import com.qizi.app.ui.bt.PrinterCommand;
import com.qizi.app.ui.bt.ThreadPool;
import com.qizi.app.ui.bt.Utils;
import com.qizi.app.util.SharedPreferencesUtil;
import java.util.ArrayList;
import top.brianliu.framework.common.activity.BaseActivity;
import static android.hardware.usb.UsbManager.ACTION_USB_DEVICE_ATTACHED;
import static android.hardware.usb.UsbManager.ACTION_USB_DEVICE_DETACHED;
import static com.qizi.app.ui.bt.Constant.ACTION_USB_PERMISSION;
import static com.qizi.app.ui.bt.Constant.CONN_STATE_DISCONN;
import static com.qizi.app.ui.bt.Constant.MESSAGE_UPDATE_PARAMETER;
import static com.qizi.app.ui.bt.DeviceConnFactoryManager.ACTION_CONN_STATE;
import static com.qizi.app.ui.bt.DeviceConnFactoryManager.ACTION_QUERY_PRINTER_STATE;
import static com.qizi.app.ui.bt.DeviceConnFactoryManager.CONN_STATE_FAILED;
import static com.qizi.app.ui.bt.DeviceConnFactoryManager.DEVICE_ID;
import static com.qizi.app.ui.bt.DeviceConnFactoryManager.STATE;
public class WifiConfigActivity extends BaseActivity implements
View.OnClickListener
{
//返回
private View backView;
private Button btnSure;
private EditText etIp,etPort;
private SharedPreferencesUtil sharedPreferencesUtil;
/**
* 连接状态断开
*/
private static final int CONN_STATE_DISCONN = 0x007;
/**
* 使用打印机指令错误
*/
private static final int PRINTER_COMMAND_ERROR = 0x008;
/**
* ESC查询打印机实时状态指令
*/
private byte[] esc = {0x10, 0x04, 0x02};
/**
* CPCL查询打印机实时状态指令
*/
private byte[] cpcl={0x1b,0x68};
/**
* TSC查询打印机状态指令
*/
private byte[] tsc = {0x1b, '!', '?'};
private static final int CONN_MOST_DEVICES = 0x11;
private static final int CONN_PRINTER = 0x12;
private ThreadPool threadPool;
private TextView tvConnState;
private int id = 0;
private CheckWifiConnThread checkWifiConnThread;//wifi连接线程监听
private PendingIntent mPermissionIntent;
private String[] permissions = {
Manifest.permission.ACCESS_FINE_LOCATION,
Manifest.permission.ACCESS_COARSE_LOCATION,
Manifest.permission.BLUETOOTH
};
ArrayList<String> per = new ArrayList<>();
@Override
public int getContentViewId() {
return R.layout.activity_wifi_config;
}
private static final int REQUEST_CODE = 0x004;
private Button btnPrint;
private void initBroadcast() {
IntentFilter filter = new IntentFilter(ACTION_USB_PERMISSION);//USB访问权限广播
filter.addAction(ACTION_USB_DEVICE_DETACHED);//USB线拔出
filter.addAction(ACTION_QUERY_PRINTER_STATE);//查询打印机缓冲区状态广播，用于一票一控
filter.addAction(ACTION_CONN_STATE);//与打印机连接状态
filter.addAction(ACTION_USB_DEVICE_ATTACHED);//USB线插入
registerReceiver(receiver, filter);
/*Intent intent = new Intent(ACTION_CONN_STATE);
intent.putExtra(STATE, CONN_STATE_FAILED);
intent.putExtra(DEVICE_ID, id);
MyApplication.getContext().sendBroadcast(intent);*/
}
@Override
public void findViews() {
backView = findViewById(R.id.back);
etIp=findViewById(R.id.et_ip);
etPort=findViewById(R.id.et_port);
btnSure=findViewById(R.id.btn_sure);
tvConnState = (TextView) findViewById(R.id.tv_connState);
btnPrint=findViewById(R.id.btn_print);
}
@Override
public void init() {
sharedPreferencesUtil = SharedPreferencesUtil.getInstantiation(getApplicationContext());
etPort.setText(sharedPreferencesUtil.getString("",SharedPreferencesUtil.port));
etIp.setText(sharedPreferencesUtil.getString("",SharedPreferencesUtil.ip));
initBroadcast();
if (threadPool==null)
{
threadPool = ThreadPool.getInstantiation();
}
threadPool.addSerialTask(new Runnable() {
@Override
public void run() {
if (DeviceConnFactoryManager.getDeviceConnFactoryManagers()[id] == null ||
!DeviceConnFactoryManager.getDeviceConnFactoryManagers()[id].getConnState()) {
mHandler.obtainMessage(CONN_PRINTER).sendToTarget();
return;
}
if (DeviceConnFactoryManager.getDeviceConnFactoryManagers()[id].getCurrentPrinterCommand() == PrinterCommand.TSC) {
mHandler.obtainMessage(CheckWifiConnThread.PING_SUCCESS).sendToTarget();
// tvConnState.setText("连接状态成功");
} else {
mHandler.obtainMessage(PRINTER_COMMAND_ERROR).sendToTarget();
}
}
});
}
private void checkPermission() {
for (String permission : permissions) {
if (PackageManager.PERMISSION_GRANTED != ContextCompat.checkSelfPermission(this, permission)) {
per.add(permission);
}
}
}
private void requestPermission() {
if (per.size() > 0) {
String[] p = new String[per.size()];
ActivityCompat.requestPermissions(this, per.toArray(p), REQUEST_CODE);
}
}
@Override
public void bundleListener() {
backView.setOnClickListener(this);
btnSure.setOnClickListener(this);
btnPrint.setOnClickListener(this);
}
private void print()
{
threadPool = ThreadPool.getInstantiation();
threadPool.addSerialTask(new Runnable() {
@Override
public void run() {
if (DeviceConnFactoryManager.getDeviceConnFactoryManagers()[id] == null ||
!DeviceConnFactoryManager.getDeviceConnFactoryManagers()[id].getConnState()) {
mHandler.obtainMessage(CONN_PRINTER).sendToTarget();
return;
}
if (DeviceConnFactoryManager.getDeviceConnFactoryManagers()[id].getCurrentPrinterCommand() == PrinterCommand.TSC) {
DeviceConnFactoryManager.getDeviceConnFactoryManagers()[id].sendDataImmediately(PrintContent.getLabel());
} else {
mHandler.obtainMessage(PRINTER_COMMAND_ERROR).sendToTarget();
}
}
});
}
private void confirm()
{
final String strIp = etIp.getText().toString().trim();
final String strPort = etPort.getText().toString().trim();
if (!TextUtils.isEmpty(strIp) && !TextUtils.isEmpty(strPort))
{
sharedPreferencesUtil.putString(strIp, Constant.WIFI_CONFIG_IP);
sharedPreferencesUtil.putInt(Integer.parseInt(strPort), Constant.WIFI_CONFIG_PORT);
sharedPreferencesUtil.putString("1","connect-set");
sharedPreferencesUtil.putString(strIp,SharedPreferencesUtil.ip);
sharedPreferencesUtil.putString(strPort,SharedPreferencesUtil.port);
Message message = Message.obtain();
message.what = MESSAGE_UPDATE_PARAMETER;
Bundle bundle = new Bundle();
bundle.putString("Ip", strIp);
bundle.putString("Port", strPort);
message.setData(bundle);
mHandler.sendMessage(message);
}
else
{
Toast.makeText(getApplicationContext(), "保存失败", Toast.LENGTH_SHORT).show();
}
}
@Override
public void onClick(View v) {
switch (v.getId()){
case R.id.back:{
finish();
break;
}
case R.id.btn_sure:{
confirm();
break;
}
case R.id.btn_print:{
print();
break;
}
}
}
private BroadcastReceiver receiver = new BroadcastReceiver() {
@Override
public void onReceive(Context context, Intent intent) {
String action = intent.getAction();
switch (action) {
//USB请求访问权限
case ACTION_USB_PERMISSION:
synchronized (this) {
UsbDevice device = intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
if (intent.getBooleanExtra(UsbManager.EXTRA_PERMISSION_GRANTED, false)) {
if (device != null) {//用户点击授权
// usbConn(device);
}
} else {//用户点击不授权,则无权限访问USB
// Log.e(TAG,"No access to USB");
}
}
break;
//Usb连接断开广播
case ACTION_USB_DEVICE_DETACHED:
UsbDevice usbDevice = (UsbDevice)intent.getParcelableExtra(UsbManager.EXTRA_DEVICE);
if (usbDevice.equals( DeviceConnFactoryManager.getDeviceConnFactoryManagers()[id].usbDevice())){
mHandler.obtainMessage(CONN_STATE_DISCONN).sendToTarget();
}
break;
//连接状态
case ACTION_CONN_STATE:
int state = intent.getIntExtra(STATE, -1);
int deviceId = intent.getIntExtra(DEVICE_ID, -1);
switch (state) {
case DeviceConnFactoryManager.CONN_STATE_DISCONNECT:
if (id == deviceId) {
// Log.e(TAG,"connection is lost");
tvConnState.setText(getString(R.string.str_conn_state_disconnect));
}
break;
case DeviceConnFactoryManager.CONN_STATE_CONNECTING:
tvConnState.setText(getString(R.string.str_conn_state_connecting));
break;
case DeviceConnFactoryManager.CONN_STATE_CONNECTED:
tvConnState.setText(getString(R.string.str_conn_state_connected) + "\n" + getConnDeviceInfo());
break;
case CONN_STATE_FAILED:
Utils.toast(WifiConfigActivity.this, getString(R.string.str_conn_fail));
//wificonn=false;
tvConnState.setText(getString(R.string.str_conn_state_disconnect));
break;
default:
break;
}
break;
//连续打印，一票一控，防止打印机乱码
case ACTION_QUERY_PRINTER_STATE:
/* if (counts >=0) {
if(continuityprint) {
printcount++;
Utils.toast(MainActivity.this, getString(R.string.str_continuityprinter) + " " + printcount);
}
if(counts!=0) {
sendContinuityPrint();
}else {
continuityprint=false;
}
}*/
break;
default:
break;
}
}
};
private Handler mHandler = new Handler() {
@Override
public void handleMessage(Message msg) {
switch (msg.what) {
case CONN_STATE_DISCONN://断开连接
DeviceConnFactoryManager deviceConnFactoryManager=DeviceConnFactoryManager.getDeviceConnFactoryManagers()[id];
if (deviceConnFactoryManager!= null&&deviceConnFactoryManager.getConnState()) {
DeviceConnFactoryManager.getDeviceConnFactoryManagers()[id].closePort(id);
Utils.toast(WifiConfigActivity.this,getString(R.string.str_disconnect_success));
tvConnState.setText("成功断开连接");
}
break;
case PRINTER_COMMAND_ERROR://打印机指令错误
Utils.toast(WifiConfigActivity.this, getString(R.string.str_choice_printer_command));
tvConnState.setText("请选择正确的打印机指令");
break;
case CONN_PRINTER://未连接打印机
Utils.toast(WifiConfigActivity.this, getString(R.string.str_cann_printer));
break;
case MESSAGE_UPDATE_PARAMETER:
String strIp = msg.getData().getString("Ip");
String strPort = msg.getData().getString("Port");
//初始化端口信息
new DeviceConnFactoryManager.Build()
//设置端口连接方式
.setConnMethod(DeviceConnFactoryManager.CONN_METHOD.WIFI)
//设置端口IP地址
.setIp(strIp)
//设置端口ID（主要用于连接多设备）
.setId(id)
//设置连接的热点端口号
.setPort(Integer.parseInt(strPort))
.build();
threadPool = ThreadPool.getInstantiation();
threadPool.addSerialTask(new Runnable() {
@Override
public void run() {
DeviceConnFactoryManager.getDeviceConnFactoryManagers()[id].openPort();
}
});
break;
case CheckWifiConnThread.PING_SUCCESS://WIfi连接成功\
// Toast.makeText(getApplicationContext(), "连接成功", Toast.LENGTH_SHORT).show();
tvConnState.setText("连接成功");
break;
case CheckWifiConnThread.PING_FAIL://WIfI断开连接
// Toast.makeText(getApplicationContext(), "连接失败", Toast.LENGTH_SHORT).show();
tvConnState.setText("连接失败");
checkWifiConnThread.cancel();
checkWifiConnThread=null;
mHandler.obtainMessage(CONN_STATE_DISCONN).sendToTarget();
break;
case Constant.tip:
String str=(String) msg.obj;
Utils.toast(WifiConfigActivity.this,str);
break;
default:
new DeviceConnFactoryManager.Build()
//设置端口连接方式
.setConnMethod(DeviceConnFactoryManager.CONN_METHOD.WIFI)
//设置端口IP地址
.setIp("192.168.2.227")
//设置端口ID（主要用于连接多设备）
.setId(id)
//设置连接的热点端口号
.setPort(9100)
.build();
threadPool.addSerialTask(new Runnable() {
@Override
public void run() {
DeviceConnFactoryManager.getDeviceConnFactoryManagers()[id].openPort();
}
});
break;
}
}
};
/**
* 获取当前连接设备信息
* @return
*/
private String getConnDeviceInfo() {
String str = "";
DeviceConnFactoryManager deviceConnFactoryManager = DeviceConnFactoryManager.getDeviceConnFactoryManagers()[id];
if (deviceConnFactoryManager != null
&& deviceConnFactoryManager.getConnState()) {
if ("USB".equals(deviceConnFactoryManager.getConnMethod().toString())) {
str += "USB\n";
str += "USB Name: " + deviceConnFactoryManager.usbDevice().getDeviceName();
} else if ("WIFI".equals(deviceConnFactoryManager.getConnMethod().toString())) {
str += "WIFI\n";
str += "IP: " + deviceConnFactoryManager.getIp() + "\t";
str += "Port: " + deviceConnFactoryManager.getPort();
checkWifiConnThread=new CheckWifiConnThread(deviceConnFactoryManager.getIp(),mHandler);//开启监听WiFi线程
checkWifiConnThread.start();
} else if ("BLUETOOTH".equals(deviceConnFactoryManager.getConnMethod().toString())) {
str += "BLUETOOTH\n";
str += "MacAddress: " + deviceConnFactoryManager.getMacAddress();
} else if ("SERIAL_PORT".equals(deviceConnFactoryManager.getConnMethod().toString())) {
str += "SERIAL_PORT\n";
str += "Path: " + deviceConnFactoryManager.getSerialPortPath() + "\t";
str += "Baudrate: " + deviceConnFactoryManager.getBaudrate();
}
}
return str;
}
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
super.onActivityResult(requestCode, resultCode, data);
unregisterReceiver(receiver);
// DeviceConnFactoryManager.closeAllPort();
if (threadPool != null) {
threadPool.stopThreadPool();
}
}
}
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="#F1F1F1">
<!--顶部-->
<FrameLayout
android:layout_width="match_parent"
android:layout_height="50dp"
android:background="#FFFFFF">
<top.brianliu.framework.common.view.ImageTextButton
android:id="@+id/back"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:paddingLeft="13dp"
android:text=""
app:image="@drawable/img_btn_back_black"
app:image_w="16dp"
app:image_h="17dp"
app:spacing="13dp"
android:background="@drawable/item_bg_white"/>
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:textSize="16sp"
android:textColor="#333333"
android:text="无线配置"/>
</FrameLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_marginTop="50dp"
android:background="#FFFFFF"
android:orientation="vertical"
android:paddingLeft="13dp"
android:paddingRight="13dp"
android:paddingBottom="60dp">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="40dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:text="地址"
android:textColor="#333333"
android:textSize="14sp" />
<EditText
android:id="@+id/et_ip"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:hint="请输入IP"
android:layout_centerVertical="true"
android:layout_marginLeft="70dp"
android:background="@color/transparent"
android:text="192.168.123.100"
android:gravity="center|center_vertical"
android:singleLine="true"
android:textColor="#666666"
android:textSize="14sp" />
</RelativeLayout>
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="#F1F1F1" />
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="40dp">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerVertical="true"
android:text="端口"
android:textColor="#333333"
android:textSize="14sp" />
<EditText
android:id="@+id/et_port"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:text="9000"
android:layout_centerVertical="true"
android:layout_marginLeft="70dp"
android:background="@color/transparent"
android:gravity="center|center_vertical"
android:hint="请输入端口"
android:singleLine="true"
android:textColor="#666666"
android:textSize="14sp" />
</RelativeLayout>
<View
android:layout_width="match_parent"
android:layout_height="1dp"
android:background="#F1F1F1" />
<RelativeLayout
android:layout_width="match_parent"
android:layout_marginTop="@dimen/size_20"
android:layout_height="40dp">
<Button
android:id="@+id/btn_sure"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:textSize="14sp"
android:textColor="#FFFFFF"
android:text="确认"
android:background="@drawable/btn_orange_2_bg"/>
</RelativeLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_marginTop="@dimen/size_20"
android:layout_height="40dp">
<Button
android:id="@+id/btn_print"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentRight="true"
android:textSize="14sp"
android:textColor="#FFFFFF"
android:text="打印测试"
android:background="@drawable/btn_orange_2_bg"/>
</RelativeLayout>
<TextView
android:id="@+id/tv_connState"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginBottom="12dp"
android:layout_marginTop="8dp"
android:text="@string/str_conn_state_disconnect"
android:textSize="14sp" />
</LinearLayout>
</RelativeLayout>
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