btn.performClick()和TextView

本文详细解释了如何使用Java代码实现按钮点击事件,并展示了如何在TextView中添加图片和设置属性,包括drawableLeft、drawablePadding和gravity等。

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btn.performClick();
该方法表明——Activity运行的时候运行该button的点击事件的内容,————相当于系统帮你点击了这个按钮,然后运行对应的事件

以后要注意都按照Java的语法来——有if就要有else

<TextView
            android:id="@+id/mj_detail_chose_pitch_text"
            android:layout_width="wrap_content"
            android:layout_height="40dp"
            **android:drawableLeft="@drawable/icon_right"//在textView中的左边添加一个图片**
             android:drawablePadding="5dp"//图片的padding
            android:gravity="center"
            android:text="选择"
            android:drawablePadding="5dp"
            android:textSize="18sp" >
        </TextView>
package com.example.kucun2.ui.jinhuo; import static android.content.ContentValues.TAG; import android.app.AlertDialog; import android.app.DatePickerDialog; import android.os.Bundle; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.Button; import android.widget.EditText; import android.widget.LinearLayout; import android.widget.MultiAutoCompleteTextView; import android.widget.RadioGroup; import android.widget.SearchView; import android.widget.Spinner; import android.widget.TextView; import android.widget.Toast; import androidx.annotation.NonNull; import androidx.fragment.app.Fragment; import com.example.kucun2.R; import com.example.kucun2.entity.*; import com.example.kucun2.entity.data.Data; import com.example.kucun2.function.Adapter; import com.google.android.material.textfield.TextInputEditText; import java.text.ParseException; import java.text.SimpleDateFormat; import java.util.ArrayList; import java.util.Calendar; import java.util.Date; import java.util.List; import java.util.Locale; import java.util.Objects; import java.util.Random; public class AddInventoryFragment extends Fragment { private Spinner spinnerDingdan, spinnerChanpin, spinnerZujian, spinnerBancai; private EditText etShuliang; private RadioGroup rgType; private Dingdan selectedDingdan; private Chanpin selectedChanpin; private Zujian selectedZujian; private Bancai selectedBancai; // 创建新订单产品组件按钮 private Button btnNewDingdan, btnAddChanpin, btnAddZujian; // 日期格式化 private final SimpleDateFormat dateFormat = new SimpleDateFormat("yyyy-MM-dd", Locale.getDefault()); /** * 初始化 * @param inflater The LayoutInflater object that can be used to inflate * any views in the fragment, * @param container If non-null, this is the parent view that the fragment's * UI should be attached to. The fragment should not add the view itself, * but this can be used to generate the LayoutParams of the view. * @param savedInstanceState If non-null, this fragment is being re-constructed * from a previous saved state as given here. * * @return */ @Override public View onCreateView(@NonNull LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_add_inventory, container, false); // 初始化UI组件 spinnerDingdan = view.findViewById(R.id.spinner_dingdan); spinnerChanpin = view.findViewById(R.id.spinner_chanpin); spinnerZujian = view.findViewById(R.id.spinner_zujian); spinnerBancai = view.findViewById(R.id.spinner_bancai); etShuliang = view.findViewById(R.id.et_shuliang); rgType = view.findViewById(R.id.rg_type); Button btnSubmit = view.findViewById(R.id.btn_submit); // 初始化新按钮 btnNewDingdan = view.findViewById(R.id.btn_new_dingdan); btnAddChanpin = view.findViewById(R.id.btn_add_chanpin); btnAddZujian = view.findViewById(R.id.btn_add_zujian); // 设置按钮点击事件 btnNewDingdan.setOnClickListener(v -> createNewDingdan()); btnAddChanpin.setOnClickListener(v -> showAddChanpinDialog()); btnAddZujian.setOnClickListener(v -> addZujianToChanpin()); // 设置订单选择器 setupDingdanSpinner(); // 提交按钮点击事件 btnSubmit.setOnClickListener(v -> addInventoryRecord()); return view; } private void setupDingdanSpinner() { Adapter.setupDingdanSpinner(spinnerDingdan,Data.dingdans,getContext()); spinnerDingdan.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { selectedDingdan = (Dingdan) parent.getItemAtPosition(position); setupChanpinSpinner(selectedDingdan); } @Override public void onNothingSelected(AdapterView<?> parent) {} }); } private void setupChanpinSpinner(Dingdan dingdan) { // 获取该订单的产品列表 List<Chanpin> chanpins = new ArrayList<>(); if (dingdan != null && dingdan.getDingdanChanpin() != null) { for (Dingdan_Chanpin dc : dingdan.getDingdanChanpin()) { if (dc != null && dc.getChanpin() != null) { chanpins.add(dc.getChanpin()); } } } // 设置产品下拉框适配器 Adapter.setupChanpinSpinner(spinnerChanpin, chanpins, getContext()); // 设置产品选择监听器 spinnerChanpin.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { selectedChanpin = (Chanpin) parent.getItemAtPosition(position); if (selectedChanpin != null) { setupZujianSpinner(selectedChanpin); } } @Override public void onNothingSelected(AdapterView<?> parent) {} }); } /** * 组件下拉框刷新 * @param chanpin */ private void setupZujianSpinner(Chanpin chanpin) { // 获取该产品的组件列表 List<Zujian> zujians = new ArrayList<>(); for (Chanpin_Zujian cz : chanpin.getChanpinZujian()) { zujians.add(cz.getZujian()); } Adapter.setupZujianSpinner(spinnerZujian,zujians,getContext()); spinnerZujian.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { selectedZujian = (Zujian) parent.getItemAtPosition(position); setupBancaiSpinner(selectedChanpin, selectedZujian); } @Override public void onNothingSelected(AdapterView<?> parent) {} }); } /** * 板材刷新 * @param chanpin * @param zujian */ private void setupBancaiSpinner(Chanpin chanpin, Zujian zujian) { // 获取该组件关联的板材 List<Bancai> bancais = new ArrayList<>(); for (Chanpin_Zujian cz : chanpin.getChanpinZujian()) { if (cz.getZujian().getId().equals(zujian.getId())) { bancais.add(cz.getBancai()); } } Adapter.setupBancaiSpinners(spinnerBancai,bancais,getContext()); spinnerBancai.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() { @Override public void onItemSelected(AdapterView<?> parent, View view, int position, long id) { selectedBancai = (Bancai) parent.getItemAtPosition(position); } @Override public void onNothingSelected(AdapterView<?> parent) {} }); } // ... addInventoryRecordcreateRecord方法保持不变 ... private void addInventoryRecord() { // 验证必填项 if (selectedDingdan == null || selectedChanpin == null || selectedZujian == null || selectedBancai == null) { Toast.makeText(getContext(), "请选择订单、产品、组件板材", Toast.LENGTH_SHORT).show(); return; } String shuliangStr = etShuliang.getText().toString().trim(); if (shuliangStr.isEmpty()) { Toast.makeText(getContext(), "请输入数量", Toast.LENGTH_SHORT).show(); return; } // 解析数量 int shuliang; try { shuliang = Integer.parseInt(shuliangStr); } catch (NumberFormatException e) { Toast.makeText(getContext(), "请输入有效的数量", Toast.LENGTH_SHORT).show(); return; } // 确定操作类型(进货或消耗) boolean isJinhuo = rgType.getCheckedRadioButtonId() == R.id.rb_jinhuo; // 实际开发中应从登录信息获取当前用户 User currentUser = new User(1, "当前用户", "user", "password",1); // 创建记录 createRecord(selectedDingdan, selectedChanpin, selectedZujian, selectedBancai, shuliang, isJinhuo, currentUser); Toast.makeText(getContext(), "记录添加成功", Toast.LENGTH_SHORT).show(); etShuliang.setText(""); // 清空输入框 } private void createRecord(Dingdan dingdan, Chanpin chanpin, Zujian zujian, Bancai bancai, int shuliang, boolean isJinhuo, User user) { if (isJinhuo) { // 创建进货记录 Jinhuo jinhuo = new Jinhuo(); jinhuo.setId(Data.jinhuoList.size() + 1); jinhuo.setDingdan(dingdan); jinhuo.setChanpin(chanpin); jinhuo.setZujian(zujian); jinhuo.setBancai(bancai); jinhuo.setShuliang(shuliang); jinhuo.setDate(new Date()); jinhuo.setUser(user); Data.jinhuoList.add(jinhuo); } else { // 消耗数量转为负数 shuliang = -shuliang; } // 更新库存 updateKucun(bancai, shuliang); } private void updateKucun(Bancai bancai, int changeAmount) { // 查找现有库存记录 for (Kucun k : Data.kucuns) { if (k.getBancai().getId().equals(bancai.getId())) { k.setShuliang(k.getShuliang() + changeAmount); return; } } // 如果没有找到库存记录,创建新的 Kucun newKucun = new Kucun(); newKucun.setId(Data.kucuns.size() + 1); newKucun.setBancai(bancai); newKucun.setShuliang(Math.max(changeAmount, 0)); // 确保不为负 Data.kucuns.add(newKucun); } // 新建订单方法 private void createNewDingdan() { showNewDingdanDialog(); } /** * 向订单添加产品 * @param chanpin */ private void addChanpinToDingdan(Chanpin chanpin) { if (selectedDingdan == null||chanpin==null) { Toast.makeText(getContext(), "请先选择订单", Toast.LENGTH_SHORT).show(); return; } Log.d(TAG, "addChanpinToDingdan: "); // 检查产品是否已在订单中 for (Dingdan_Chanpin dc : selectedDingdan.getDingdanChanpin()) { if (dc.getChanpin().getId().equals(chanpin.getId())) { Toast.makeText(getContext(), "该产品已添加到订单", Toast.LENGTH_SHORT).show(); return; } } // 添加到当前订单的产品列表 Dingdan_Chanpin dc = new Dingdan_Chanpin(); //dc.setId(selectedDingdan.getDingdanChanpin().size() + 1); dc.setChanpin(chanpin); dc.setDingdan(selectedDingdan); selectedDingdan.getDingdanChanpin().add(dc); // 刷新产品下拉框 setupChanpinSpinner(selectedDingdan); // 选中新添加的产品 spinnerChanpin.setSelection(selectedDingdan.getDingdanChanpin().size() - 1); Toast.makeText(getContext(), "产品添加成功", Toast.LENGTH_SHORT).show(); } // 为当前产品添加组件 private void addZujianToChanpin() { if (selectedChanpin == null) { Toast.makeText(getContext(), "请先选择产品", Toast.LENGTH_SHORT).show(); return; } // // 创建新组件(示例) // Zujian newZujian = new Zujian(); // newZujian.setId( (Data.zujians.size() + 1)); // newZujian.setName("新组件" + System.currentTimeMillis()); // // // 添加到全局列表 // Data.zujians.add(newZujian); // // // 添加到当前产品的组件列表 // Chanpin_Zujian cz = new Chanpin_Zujian(); // cz.setId(selectedChanpin.getZujians().size() + 1); // cz.setZujian(newZujian); // cz.setChanpin(selectedChanpin); // selectedChanpin.getZujians().add(cz); // // // 刷新组件下拉框 // setupZujianSpinner(selectedChanpin); // spinnerZujian.setSelection(selectedChanpin.getZujians().size() - 1); // // Toast.makeText(getContext(), "组件添加成功", Toast.LENGTH_SHORT).show(); showCreateZujianDialog(); } // 新建订单对话框 /*** * 新建订单对话框 */ private void showNewDingdanDialog() { AlertDialog.Builder builder = new AlertDialog.Builder(requireContext()); builder.setTitle("新建订单"); // 加载布局 View dialogView = LayoutInflater.from(requireContext()).inflate(R.layout.dialog_new_dingdan, null); EditText etOrderNumber = dialogView.findViewById(R.id.et_order_number); EditText etOrderDate = dialogView.findViewById(R.id.et_order_date); EditText etDeliveryDate = dialogView.findViewById(R.id.et_delivery_date); Button btnPickOrderDate = dialogView.findViewById(R.id.btn_pick_order_date); Button btnPickDeliveryDate = dialogView.findViewById(R.id.btn_pick_delivery_date); // 设置今日日期作为默认值 Date today = new Date(); etOrderDate.setText(dateFormat.format(today)); // 日期选择监听器 DatePickerDialog.OnDateSetListener orderDateListener = (view, year, month, dayOfMonth) -> { Calendar cal = Calendar.getInstance(); cal.set(year, month, dayOfMonth); etOrderDate.setText(dateFormat.format(cal.getTime())); }; DatePickerDialog.OnDateSetListener deliveryDateListener = (view, year, month, dayOfMonth) -> { Calendar cal = Calendar.getInstance(); cal.set(year, month, dayOfMonth); etDeliveryDate.setText(dateFormat.format(cal.getTime())); }; // 下单日期选择按钮 btnPickOrderDate.setOnClickListener(v -> { Calendar cal = Calendar.getInstance(); new DatePickerDialog(requireContext(), orderDateListener, cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH)) .show(); }); /** * / 出货日期选择按钮 */ btnPickDeliveryDate.setOnClickListener(v -> { Calendar cal = Calendar.getInstance(); new DatePickerDialog(requireContext(), deliveryDateListener, cal.get(Calendar.YEAR), cal.get(Calendar.MONTH), cal.get(Calendar.DAY_OF_MONTH)) .show(); }); builder.setView(dialogView); builder.setPositiveButton("创建", (dialog, which) -> { String orderNumber = etOrderNumber.getText().toString().trim(); String orderDateStr = etOrderDate.getText().toString(); String deliveryDateStr = etDeliveryDate.getText().toString(); for (Dingdan dingdan:Data.dingdans ) { if (dingdan.getNumber()==null||orderNumber==null){ Log.d(TAG, "showNewDingdanDialog: "); return; } if(dingdan.getNumber().equals(orderNumber)){ Toast.makeText(getContext(), "已有该订单号", Toast.LENGTH_SHORT).show(); return; } } // 验证输入 if (orderNumber.isEmpty()) { Toast.makeText(getContext(), "请输入订单号", Toast.LENGTH_SHORT).show(); return; } try { // 解析日期 Date orderDate = dateFormat.parse(orderDateStr); Date deliveryDate = deliveryDateStr.isEmpty() ? null : dateFormat.parse(deliveryDateStr); // 创建订单 createAndSaveDingdan(orderNumber, orderDate, deliveryDate); } catch (ParseException e) { Toast.makeText(getContext(), "日期格式错误", Toast.LENGTH_SHORT).show(); } }); builder.setNegativeButton("取消", null); builder.show(); } /** * 创建并保存订单 */ private void createAndSaveDingdan(String orderNumber, Date orderDate, Date deliveryDate) { Dingdan newDingdan = new Dingdan(); newDingdan.setId(Data.dingdans.size() + 1); newDingdan.setNumber(orderNumber); newDingdan.setXiadan(orderDate); newDingdan.setJiaohuo(deliveryDate); newDingdan.setDingdanChanpin(new ArrayList<>()); newDingdan.setDingdanChanpinZujian(new ArrayList<>()); Data.dingdans.add(newDingdan); // 刷新下拉框 setupDingdanSpinner(); spinnerDingdan.setSelection(Data.dingdans.size() - 1); Toast.makeText(getContext(), "新建订单成功", Toast.LENGTH_SHORT).show(); } /** * 显示添加产品弹窗 */ private void showAddChanpinDialog() { AlertDialog.Builder builder = new AlertDialog.Builder(requireContext()); builder.setTitle("添加产品到订单"); // 加载布局 View dialogView = LayoutInflater.from(requireContext()).inflate(R.layout.dialog_add_chanpin, null); Spinner spinnerChanpinSelection = dialogView.findViewById(R.id.spinner_chanpin_selection); Button btnNewChanpin = dialogView.findViewById(R.id.btn_new_chanpin); // 设置产品下拉框 if (Data.chanpins == null || Data.chanpins.isEmpty()) { Toast.makeText(getContext(), "没有可用的产品,请先创建产品", Toast.LENGTH_SHORT).show(); return; } Adapter.setupChanpinSpinner(spinnerChanpinSelection, Data.chanpins, getContext()); // 新建产品按钮点击事件 btnNewChanpin.setOnClickListener(v -> { showNewChanpinDialog(() -> { // 新建产品后刷新下拉框 Adapter.setupChanpinSpinner(spinnerChanpinSelection, Data.chanpins, getContext()); // 默认选中新建的产品 spinnerChanpinSelection.setSelection(Data.chanpins.size() - 1); }); }); builder.setView(dialogView); builder.setPositiveButton("添加", (dialog, which) -> { Chanpin selectedChanpin = (Chanpin) spinnerChanpinSelection.getSelectedItem(); if (selectedChanpin == null) { Toast.makeText(getContext(), "请选择一个产品", Toast.LENGTH_SHORT).show(); return; } // 将选中的产品添加到当前订单 addChanpinToDingdan(selectedChanpin); }); builder.setNegativeButton("取消", null); builder.show(); } /** * 显示新建产品弹窗 * @param refreshCallback 新建后的回调,用于刷新产品列表 */ private void showNewChanpinDialog(Runnable refreshCallback) { AlertDialog.Builder builder = new AlertDialog.Builder(requireContext()); builder.setTitle("新建产品"); View dialogView = LayoutInflater.from(requireContext()).inflate(R.layout.dialog_new_chanpin, null); EditText etChanpinName = dialogView.findViewById(R.id.et_chanpin_name); builder.setView(dialogView); builder.setPositiveButton("创建", (dialog, which) -> { String chanpinName = etChanpinName.getText().toString().trim(); if (chanpinName.isEmpty()) { Toast.makeText(getContext(), "请输入产品名称", Toast.LENGTH_SHORT).show(); return; } // 检查名称是否重复 for (Chanpin cp : Data.chanpins) { if (cp.getBianhao().equals(chanpinName)) { Toast.makeText(getContext(), "产品名称重复", Toast.LENGTH_SHORT).show(); return; } } // 创建新产品 Chanpin newChanpin = new Chanpin(); newChanpin.setId(Data.chanpins.size() + 1); newChanpin.setBianhao(chanpinName); newChanpin.setChanpinZujian(new ArrayList<>()); Data.chanpins.add(newChanpin); refreshCallback.run(); Toast.makeText(getContext(), "产品创建成功", Toast.LENGTH_SHORT).show(); }); builder.setNegativeButton("取消", null); builder.show(); } /** * 添加新组件 */ private void showCreateZujianDialog() { AlertDialog.Builder builder = new AlertDialog.Builder(requireContext()); builder.setTitle("添加新组件"); // 创建自定义布局 View dialogView = LayoutInflater.from(requireContext()).inflate(R.layout.dialog_create_zujian_bancai, null); EditText etZujianName = dialogView.findViewById(R.id.et_zujian_name); Spinner spinnerbancai = dialogView.findViewById(R.id.spinner_bancai); SearchView searchBancai = dialogView.findViewById(R.id.search_bancai); Button btnAddBancai = dialogView.findViewById(R.id.btn_add_bancai); // 设置添加板材按钮点击事件 btnAddBancai.setOnClickListener(v -> { // 弹出添加板材的弹窗,并传入当前Spinner用于刷新 showCreateBancaiDialog(spinnerbancai); }); // 板材适配器 Adapter.setupBancaiSpinners(spinnerbancai,Data.bancais,getContext()); // 设置搜索功能 searchBancai.setOnQueryTextListener(new SearchView.OnQueryTextListener() { @Override public boolean onQueryTextSubmit(String query) { return false; } @Override public boolean onQueryTextChange(String newText) { // 过滤板材列表 List<Bancai> filteredList = new ArrayList<>(); for (Bancai bancai : Data.bancais) { if ( bancai.TableText().toLowerCase().contains(newText.toLowerCase())) { filteredList.add(bancai); } } // 板材适配器 Adapter.setupBancaiSpinners(spinnerbancai,filteredList,getContext()); return true; } }); // 添加木皮预览标签 builder.setView(dialogView); builder.setPositiveButton("创建", (dialog, which) -> { // 获取用户输入 String zujianName = etZujianName.getText().toString().trim(); Bancai selectedBancai = (Bancai) spinnerbancai.getSelectedItem(); if (zujianName.isEmpty()) { Toast.makeText(getContext(), "请输入组件名称", Toast.LENGTH_SHORT).show(); return; } // 创建新组件 Zujian newZujian = new Zujian(); newZujian.setId(Data.zujians.size() + 1); newZujian.setName(zujianName); // 创建新板材 // 添加到全局列表 Data.zujians.add(newZujian); // 添加到当前产品的组件列表 Chanpin_Zujian cz = new Chanpin_Zujian(); cz.setZujian(newZujian); cz.setBancai(selectedBancai); // 关联新创建的板材 cz.setChanpin(selectedChanpin); selectedChanpin.getChanpinZujian().add(cz); // 刷新组件下拉框 setupZujianSpinner(selectedChanpin); spinnerZujian.setSelection(selectedChanpin.getChanpinZujian().size() - 1); Toast.makeText(getContext(), "组件板材添加成功", Toast.LENGTH_SHORT).show(); }); builder.setNegativeButton("取消", null); builder.show(); } // 显示创建板材的弹窗 private void showCreateBancaiDialog(Spinner spinnerToRefresh) { AlertDialog.Builder builder = new AlertDialog.Builder(requireContext()); builder.setTitle("添加新板材"); // 加载布局 View dialogView = LayoutInflater.from(requireContext()).inflate(R.layout.dialog_create_bancai, null); Spinner spinnerCaizhi = dialogView.findViewById(R.id.spinner_caizhi); Spinner spinnerMupi1 = dialogView.findViewById(R.id.spinner_mupi1); Spinner spinnerMupi2 = dialogView.findViewById(R.id.spinner_mupi2); EditText TextInputEditTextHoudu=dialogView.findViewById(R.id.edittext_houdu); TextInputEditTextHoudu.setTextIsSelectable(true); // 绑定新建材质按钮 Button btnNewCaizhi = dialogView.findViewById(R.id.btn_new_caizhi); btnNewCaizhi.setOnClickListener(v -> { showNewOptionDialog("材质", option -> { // 避免重复添加 for (Caizhi caizhi : Data.caizhis) { if (caizhi.getName().equals(option)) return; } // 创建新材质 Caizhi newCaizhi = new Caizhi(); newCaizhi.setName(option); newCaizhi.setId(Data.caizhis.size() + 1); newCaizhi.setBancai(new ArrayList<>()); Data.caizhis.add(newCaizhi); // 刷新下拉框 Adapter.setupCaizhiSpinner(spinnerCaizhi, Data.caizhis, requireContext()); spinnerCaizhi.setSelection(Data.caizhis.size() - 1); }); }); // 绑定新建木皮按钮 Button btnNewMupi = dialogView.findViewById(R.id.btn_new_mupi); btnNewMupi.setOnClickListener(v -> { // 弹出新建木皮对话框 showNewMupiDialog(() -> { // 回调中刷新木皮下拉框 Adapter.setupMupiSpinner(spinnerMupi1, Data.mupis, requireContext()); Adapter.setupMupiSpinner(spinnerMupi2, Data.mupis, requireContext()); }); }); // 获取所有材质选项(从现有板材中提取) List<Caizhi> allCaizhi = Data.caizhis; List<Mupi> allMupi = Data.mupis; // 设置下拉框适配器 Adapter.setupCaizhiSpinner(spinnerCaizhi, allCaizhi, requireContext()); Adapter.setupMupiSpinner(spinnerMupi1, allMupi, requireContext()); Adapter.setupMupiSpinner(spinnerMupi2, allMupi, requireContext()); builder.setView(dialogView); builder.setPositiveButton("创建", (dialog, which) -> { Caizhi caizhi = (Caizhi)spinnerCaizhi.getSelectedItem() ; Mupi mupi1 = (Mupi)spinnerMupi1.getSelectedItem() ; Mupi mupi2 = (Mupi) spinnerMupi2.getSelectedItem() ; // 获取 TextInputEditText 的内容并进行校验 String houduText = TextInputEditTextHoudu.getText().toString().trim(); Double houdu = null; try { if (!houduText.isEmpty()) { // 检查输入是否为空 houdu = Double.valueOf(houduText); // 尝试将字符串转换为 Double } } catch (NumberFormatException e) { // 捕获转换异常并提示用户 Toast.makeText(getContext(), "厚度输入无效,请输入数字", Toast.LENGTH_SHORT).show(); return; } // 校验 caizhi houdu 是否均有效 if (caizhi == null || houdu == null) { Toast.makeText(getContext(), "请选择材质并输入有效的厚度", Toast.LENGTH_SHORT).show(); return; } // 创建新板材 Bancai newBancai = new Bancai(); newBancai.setId(Data.bancais.size() + 1); newBancai.setCaizhi(caizhi); newBancai.setMupi1(mupi1); newBancai.setMupi2(mupi2); newBancai.setHoudu(houdu); caizhi.getBancai().add(newBancai); if (mupi1 != null) { mupi1.getBancais().add(newBancai); } if (mupi2 != null) { mupi2.getBancais().add(newBancai); } // 添加到全局列表 Data.bancais.add(newBancai); // 刷新Spinner(如果传入) if (spinnerToRefresh != null) { Adapter.setupBancaiSpinners(spinnerToRefresh, Data.bancais, getContext()); spinnerToRefresh.setSelection(Data.bancais.size() - 1); } Toast.makeText(getContext(), "板材添加成功", Toast.LENGTH_SHORT).show(); }); builder.setNegativeButton("取消", null); builder.show(); } // 显示新建选项的弹窗 /** * 显示新建选项的弹窗 * @param type 新建什么 * @param listener 反回 */ private void showNewOptionDialog(String type, OnOptionCreatedListener listener) { AlertDialog.Builder builder = new AlertDialog.Builder(requireContext()); builder.setTitle("新建" + type); final EditText input = new EditText(requireContext()); input.setHint("请输入" + type); builder.setView(input); builder.setPositiveButton("确定", (dialog, which) -> { String option = input.getText().toString().trim(); if (!option.isEmpty()) { listener.onOptionCreated(option); } }); builder.setNegativeButton("取消", null); builder.show(); } // 回调接口 interface OnOptionCreatedListener { void onOptionCreated(String option); } // 新建木皮对话框 private void showNewMupiDialog(Runnable refreshCallback) { AlertDialog.Builder builder = new AlertDialog.Builder(requireContext()); builder.setTitle("新建木皮"); View view = LayoutInflater.from(requireContext()).inflate(R.layout.dialog_new_mupi, null); EditText etName = view.findViewById(R.id.et_mupi_name); RadioGroup rgFinish = view.findViewById(R.id.rg_finish); builder.setView(view); builder.setPositiveButton("创建", (dialog, which) -> { String name = etName.getText().toString().trim(); if (name.isEmpty()) { Toast.makeText(getContext(), "请输入木皮名称", Toast.LENGTH_SHORT).show(); return; } // 避免重复添加 for (Mupi m : Data.mupis) { if (m.getName().equals(name)) return; } // 创建木皮对象 Mupi newMupi = new Mupi(); newMupi.setId(Data.mupis.size() + 1); newMupi.setName(name); newMupi.setYou(rgFinish.getCheckedRadioButtonId() == R.id.rb_painted); newMupi.setBancais(new ArrayList<>()); Data.mupis.add(newMupi); refreshCallback.run(); }); builder.setNegativeButton("取消", null); builder.show(); } }<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical" android:padding="16dp"> <!-- 板材选择标题 --> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:text="组件选择" android:textStyle="bold" android:layout_marginTop="8dp"/> <!-- 板材选择区 --> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal"> <!-- 组件名称输入 --> <Spinner android:id="@+id/et_zujian_name" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:padding="8dp"/> <!-- 添加板材按钮 --> <Button android:id="@+id/btn_add_zujian" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="+" android:layout_marginLeft="8dp"/> </LinearLayout> <!-- 板材搜索框 --> <SearchView android:id="@+id/search_bancai" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="16dp" android:queryHint="搜索板材..." android:iconifiedByDefault="false" android:layout_marginBottom="8dp"/> <!-- 板材选择标题 --> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:text="板材选择" android:textStyle="bold" android:layout_marginTop="8dp"/> <!-- 板材选择区 --> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal"> <Spinner android:id="@+id/spinner_bancai" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:padding="8dp"/> <!-- 添加板材按钮 --> <Button android:id="@+id/btn_add_bancai" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="+" android:layout_marginLeft="8dp"/> </LinearLayout> </LinearLayout><?xml version="1.0" encoding="utf-8"?> <ScrollView xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:fillViewport="true"> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="vertical" android:padding="16dp"> <!-- 订单选择 --> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:text="选择订单" /> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:weightSum="4"> <Spinner android:id="@+id/spinner_dingdan" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="3" android:prompt="@string/select_dingdan" /> <Button android:id="@+id/btn_new_dingdan" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:text="新建订单" /> </LinearLayout> <!-- 产品选择 --> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:text="选择产品" android:layout_marginTop="16dp"/> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:weightSum="4"> <Spinner android:id="@+id/spinner_chanpin" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="3" android:prompt="@string/select_chanpin" /> <Button android:id="@+id/btn_add_chanpin" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:text="添加产品" /> </LinearLayout> <!-- 组件选择 --> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:text="选择组件" android:layout_marginTop="16dp"/> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:weightSum="4"> <Spinner android:id="@+id/spinner_zujian" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="3" android:prompt="@string/select_zujian" /> <Button android:id="@+id/btn_add_zujian" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="1" android:text="添加组件" /> </LinearLayout> <!-- 板材选择 --> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:text="选择板材" android:layout_marginTop="16dp"/> <LinearLayout android:layout_width="match_parent" android:layout_height="wrap_content" android:orientation="horizontal" android:weightSum="4"> <Spinner android:id="@+id/spinner_bancai" android:layout_width="0dp" android:layout_height="wrap_content" android:layout_weight="3" android:prompt="@string/select_bancai" /> </LinearLayout> <!-- 数量输入 --> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:text="数量" android:layout_marginTop="16dp"/> <EditText android:id="@+id/et_shuliang" android:layout_width="match_parent" android:layout_height="wrap_content" android:inputType="number" /> <!-- 类型选择 --> <RadioGroup android:id="@+id/rg_type" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="16dp" android:orientation="horizontal"> <RadioButton android:id="@+id/rb_jinhuo" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="进货" android:checked="true"/> <RadioButton android:id="@+id/rb_xiaohao" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="消耗" /> </RadioGroup> <!-- 提交按钮 --> <Button android:id="@+id/btn_submit" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_marginTop="24dp" android:text="提交" /> </LinearLayout> </ScrollView>E FATAL EXCEPTION: main Process: com.example.kucun2, PID: 15672 java.lang.ClassCastException: androidx.appcompat.widget.AppCompatSpinner cannot be cast to android.widget.EditText at com.example.kucun2.ui.jinhuo.AddInventoryFragment.showCreateZujianDialog(AddInventoryFragment.java:565) at com.example.kucun2.ui.jinhuo.AddInventoryFragment.addZujianToChanpin(AddInventoryFragment.java:344) at com.example.kucun2.ui.jinhuo.AddInventoryFragment.lambda$onCreateView$2(AddInventoryFragment.java:90) at com.example.kucun2.ui.jinhuo.AddInventoryFragment.$r8$lambda$g7ZiJT_Sfp7Zl8Vt7clUdS_KcN8(Unknown Source:0) at com.example.kucun2.ui.jinhuo.AddInventoryFragment$$ExternalSyntheticLambda2.onClick(D8$$SyntheticClass:0) at android.view.View.performClick(View.java:8166) at com.google.android.material.button.MaterialButton.performClick(MaterialButton.java:1218) at android.view.View.performClickInternal(View.java:8143) at android.view.View.-$$Nest$mperformClickInternal(Unknown Source:0) at android.view.View$PerformClick.run(View.java:32198)
06-12
分析以下代码的报错信息:------------------------- PROCESS STARTED (7432) for package com.example.myapplication ---------------------------- 2025-07-09 13:27:09.041 7432-7432 e.myapplicatio com.example.myapplication W ClassLoaderContext classpath size mismatch. expected=0, found=1 (PCL[] | PCL[/data/data/com.example.myapplication/code_cache/.overlay/base.apk/classes3.dex*4250602868]) 2025-07-09 13:27:09.042 7432-7432 e.myapplicatio com.example.myapplication W Found duplicate classes, falling back to extracting from APK : /data/app/~~dh0o8WK_fXecSV_JJz78RQ==/com.example.myapplication-RE5zX8NpQzXhviy1xPMobA==/base.apk 2025-07-09 13:27:09.042 7432-7432 e.myapplicatio com.example.myapplication W NOTE: This wastes RAM and hurts startup performance. 2025-07-09 13:27:09.042 7432-7432 e.myapplicatio com.example.myapplication W Found duplicated class when checking oat files: 'Lcom/example/myapplication/ListActivity$1;' in /data/data/com.example.myapplication/code_cache/.overlay/base.apk/classes3.dex and /data/app/~~dh0o8WK_fXecSV_JJz78RQ==/com.example.myapplication-RE5zX8NpQzXhviy1xPMobA==/base.apk!classes3.dex 2025-07-09 13:27:09.172 7432-7432 NetworkSecurityConfig com.example.myapplication D No Network Security Config specified, using platform default 2025-07-09 13:27:09.173 7432-7432 NetworkSecurityConfig com.example.myapplication D No Network Security Config specified, using platform default 2025-07-09 13:27:09.201 7432-7456 libEGL com.example.myapplication D loaded /vendor/lib/egl/libEGL_emulation.so 2025-07-09 13:27:09.202 7432-7456 libEGL com.example.myapplication D loaded /vendor/lib/egl/libGLESv1_CM_emulation.so 2025-07-09 13:27:09.204 7432-7456 libEGL com.example.myapplication D loaded /vendor/lib/egl/libGLESv2_emulation.so 2025-07-09 13:27:09.246 7432-7432 AppCompatDelegate com.example.myapplication D Checking for metadata for AppLocalesMetadataHolderService : Service not found 2025-07-09 13:27:09.305 7432-7432 e.myapplicatio com.example.myapplication W Accessing hidden method Landroid/view/View;->computeFitSystemWindows(Landroid/graphics/Rect;Landroid/graphics/Rect;)Z (greylist, reflection, allowed) 2025-07-09 13:27:09.305 7432-7432 e.myapplicatio com.example.myapplication W Accessing hidden method Landroid/view/ViewGroup;->makeOptionalFitsSystemWindows()V (greylist, reflection, allowed) 2025-07-09 13:27:09.397 7432-7454 HostConnection com.example.myapplication D HostConnection::get() New Host Connection established 0xe9a68250, tid 7454 2025-07-09 13:27:09.403 7432-7454 HostConnection com.example.myapplication D HostComposition ext ANDROID_EMU_CHECKSUM_HELPER_v1 ANDROID_EMU_native_sync_v2 ANDROID_EMU_native_sync_v3 ANDROID_EMU_native_sync_v4 ANDROID_EMU_dma_v1 ANDROID_EMU_direct_mem ANDROID_EMU_host_composition_v1 ANDROID_EMU_host_composition_v2 ANDROID_EMU_vulkan ANDROID_EMU_deferred_vulkan_commands ANDROID_EMU_vulkan_null_optional_strings ANDROID_EMU_vulkan_create_resources_with_requirements ANDROID_EMU_YUV_Cache ANDROID_EMU_vulkan_ignored_handles ANDROID_EMU_has_shared_slots_host_memory_allocator ANDROID_EMU_vulkan_free_memory_sync ANDROID_EMU_vulkan_shader_float16_int8 ANDROID_EMU_vulkan_async_queue_submit ANDROID_EMU_sync_buffer_data ANDROID_EMU_vulkan_async_qsri ANDROID_EMU_read_color_buffer_dma GL_OES_vertex_array_object GL_KHR_texture_compression_astc_ldr ANDROID_EMU_host_side_tracing ANDROID_EMU_gles_max_version_2 2025-07-09 13:27:09.404 7432-7454 OpenGLRenderer com.example.myapplication W Failed to choose config with EGL_SWAP_BEHAVIOR_PRESERVED, retrying without... 2025-07-09 13:27:09.411 7432-7454 EGL_emulation com.example.myapplication D eglCreateContext: 0xe9a68170: maj 2 min 0 rcv 2 2025-07-09 13:27:09.414 7432-7454 EGL_emulation com.example.myapplication D eglMakeCurrent: 0xe9a68170: ver 2 0 (tinfo 0xe9db64d0) (first time) 2025-07-09 13:27:09.438 7432-7454 Gralloc4 com.example.myapplication I mapper 4.x is not supported 2025-07-09 13:27:09.439 7432-7454 HostConnection com.example.myapplication D createUnique: call 2025-07-09 13:27:09.439 7432-7454 HostConnection com.example.myapplication D HostConnection::get() New Host Connection established 0xe9a6acc0, tid 7454 2025-07-09 13:27:09.467 7432-7454 HostConnection com.example.myapplication D HostComposition ext ANDROID_EMU_CHECKSUM_HELPER_v1 ANDROID_EMU_native_sync_v2 ANDROID_EMU_native_sync_v3 ANDROID_EMU_native_sync_v4 ANDROID_EMU_dma_v1 ANDROID_EMU_direct_mem ANDROID_EMU_host_composition_v1 ANDROID_EMU_host_composition_v2 ANDROID_EMU_vulkan ANDROID_EMU_deferred_vulkan_commands ANDROID_EMU_vulkan_null_optional_strings ANDROID_EMU_vulkan_create_resources_with_requirements ANDROID_EMU_YUV_Cache ANDROID_EMU_vulkan_ignored_handles ANDROID_EMU_has_shared_slots_host_memory_allocator ANDROID_EMU_vulkan_free_memory_sync ANDROID_EMU_vulkan_shader_float16_int8 ANDROID_EMU_vulkan_async_queue_submit ANDROID_EMU_sync_buffer_data ANDROID_EMU_vulkan_async_qsri ANDROID_EMU_read_color_buffer_dma GL_OES_vertex_array_object GL_KHR_texture_compression_astc_ldr ANDROID_EMU_host_side_tracing ANDROID_EMU_gles_max_version_2 2025-07-09 13:27:10.478 7432-7432 AndroidRuntime com.example.myapplication D Shutting down VM 2025-07-09 13:27:10.479 7432-7432 AndroidRuntime com.example.myapplication E FATAL EXCEPTION: main Process: com.example.myapplication, PID: 7432 android.view.WindowManager$BadTokenException: Unable to add window -- token null is not valid; is your activity running? at android.view.ViewRootImpl.setView(ViewRootImpl.java:1068) at android.view.WindowManagerGlobal.addView(WindowManagerGlobal.java:409) at android.view.WindowManagerImpl.addView(WindowManagerImpl.java:109) at android.app.Dialog.show(Dialog.java:340) at android.app.AlertDialog$Builder.show(AlertDialog.java:1131) at com.example.myapplication.MyBaseAdapter$1.onClick(MyBaseAdapter.java:55) at android.view.View.performClick(View.java:7448) at android.view.View.performClickInternal(View.java:7425) at android.view.View.access$3600(View.java:810) at android.view.View$PerformClick.run(View.java:28305) at android.os.Handler.handleCallback(Handler.java:938) at android.os.Handler.dispatchMessage(Handler.java:99) at android.os.Looper.loop(Looper.java:223) at android.app.ActivityThread.main(ActivityThread.java:7656) at java.lang.reflect.Method.invoke(Native Method) at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:592) at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:947) 2025-07-09 13:27:10.509 7432-7432 Process com.example.myapplication I Sending signal. PID: 7432 SIG: 9 ---------------------------- PROCESS ENDED (7432) for package com.example.myapplication ----------------------------
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07-10
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