PrinterSettingsFrag.java
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package etelligens.com.foodsafety.fragments;
import android.app.ProgressDialog;
import android.content.Context;
import android.content.Intent;
import android.content.SharedPreferences;
import android.os.Bundle;
import android.printservice.PrintService;
import android.text.TextUtils;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.*;
import androidx.annotation.Nullable;
import com.android.volley.DefaultRetryPolicy;
import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;
import com.gainscha.sdk2.Printer;
import com.gainscha.sdk2.PrinterResponse;
import com.google.zxing.integration.android.IntentIntegrator;
import com.google.zxing.integration.android.IntentResult;
import com.printer.sdk.serial.MainActivity;
import com.printer.sdk.serial.ScanningActivity;
import etelligens.com.foodsafety.R;
import etelligens.com.foodsafety.activities.dashboard.Dashboard;
import etelligens.com.foodsafety.activities.dashboard.SharedHelper;
import etelligens.com.foodsafety.activities.lables.frontEnd.MasterLabelCategoryFrontEnd;
import etelligens.com.foodsafety.activities.sidemenu.AddNewOutletAct;
import etelligens.com.foodsafety.fragments.userslist.PrinterCallback;
import etelligens.com.foodsafety.model.MacAddressModal;
import etelligens.com.foodsafety.utils.BaseFragment;
import etelligens.com.foodsafety.utils.CommonUtil;
import etelligens.com.foodsafety.utils.hardwareEncryption;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.io.IOException;
import java.io.UnsupportedEncodingException;
import java.util.Arrays;
import java.util.HashMap;
import java.util.Map;
import static etelligens.com.foodsafety.utils.EndPoint.*;
import static etelligens.com.foodsafety.utils.Keyword.MY_SOCKET_TIMEOUT;
public class PrinterSettingsFrag extends BaseFragment implements View.OnClickListener {
TextView tvWidth, tvDpi;
Spinner spinnerDrop;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
View view;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
// Inflate the layout for this fragment
view = inflater.inflate(R.layout.fragment_settings_printer, container, false);
tvWidth = view.findViewById(R.id.tv_choose_width);
tvDpi = view.findViewById(R.id.tv_choose_dpi);
spinnerDrop = view.findViewById(R.id.spinner_print);
String paperWidth = SharedHelper.getKey(container.getContext(), "PaperWidth");
if (TextUtils.isEmpty(paperWidth)) {
paperWidth = "72";
}
tvWidth.setText("Paper width:" + paperWidth + " mm");
String printerDpi = SharedHelper.getKey(container.getContext(), "PrinterDpi");
if (TextUtils.isEmpty(printerDpi)) {
printerDpi = "203";
}
tvDpi.setText("Resolution:" + printerDpi + " dpi");
view.findViewById(R.id.tv_paper_30).setOnClickListener(this);
view.findViewById(R.id.tv_paper_48).setOnClickListener(this);
view.findViewById(R.id.tv_paper_72).setOnClickListener(this);
view.findViewById(R.id.tv_paper_104).setOnClickListener(this);
view.findViewById(R.id.tv_dpi_203).setOnClickListener(this);
view.findViewById(R.id.tv_dpi_300).setOnClickListener(this);
String[] options = {"打印机品牌 1", "打印机品牌 2", "打印机品牌 3"};
// 创建 ArrayAdapter 适配器，并将数据源绑定到 Spinner 上
ArrayAdapter<String> adapter = new ArrayAdapter<String>(getContext(),R.layout.support_simple_spinner_dropdown_item, options);
// 设置下拉菜单的样式
//adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
// 将适配器设置给 Spinner
spinnerDrop.setAdapter(adapter);
// 处理 Spinner 的选中事件
spinnerDrop.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
@Override
public void onItemSelected(AdapterView<?> parent, View view, int position, long id) {
// 获取选中的值
String selectedOption = options[position];
// 可以在这里处理选中的值
Toast.makeText(getContext(), "你选择了: " + selectedOption, Toast.LENGTH_SHORT).show();
}
@Override
public void onNothingSelected(AdapterView<?> parent) {
// 没有选中任何项时的逻辑处理
}
});
return view;
}
@Override
public void onClick(View view) {
switch (view.getId()) {
case R.id.tv_paper_30: {
tvWidth.setText("Paper width:30 mm");
SharedHelper.putKey(getActivity(), "PaperWidth", "30");
}
break;
case R.id.tv_paper_48: {
tvWidth.setText("Paper width:48 mm");
SharedHelper.putKey(getActivity(), "PaperWidth", "48");
}
break;
case R.id.tv_paper_72: {
tvWidth.setText("Paper width:72 mm");
SharedHelper.putKey(getActivity(), "PaperWidth", "72");
}
break;
case R.id.tv_paper_104: {
tvWidth.setText("Paper width:104 mm");
SharedHelper.putKey(getActivity(), "PaperWidth", "104");
}
break;
case R.id.tv_dpi_203: {
tvDpi.setText("Resolution:203 dpi");
SharedHelper.putKey(getActivity(), "PrinterDpi", "203");
}
break;
case R.id.tv_dpi_300: {
tvDpi.setText("Resolution:300 dpi");
SharedHelper.putKey(getActivity(), "PrinterDpi", "300");
}
break;
}
}
}