[游戏开发]Android 自定义AlertDialog

Android 自定义popuWindow

对于项目需求中，系统的弹出框不能满足我们的需求，就只能通过自定义布局来实现自己相对应的功能，这里总结一篇关于AlertDialog的

具体操作

这里把弹出框封装了一个方法，使用的时候，只需要在对应的活动页写入自己的想实现的布局就可以了。
由于本人app中设计到离线缓存数据的问题，所以对弹出框做了有网无网的处理（Android开发中如何打开手机网络设置界面（适用于所有机型）），里面还有下拉框的功能

private void showPageDialog(DepartmentByPerBean departmentByPerBean, boolean conn) {
        View inflate = LayoutInflater.from(AddQualityActivity.this).inflate(R.layout.page_dialog, null);
        EditText pageName = inflate.findViewById(R.id.pageName);
        EditText produceYear = inflate.findViewById(R.id.produceYear);
        EditText produceMonth = inflate.findViewById(R.id.produceMonth);
        EditText produceDay = inflate.findViewById(R.id.produceDay);
        EditText useYear = inflate.findViewById(R.id.useYear);
        EditText useMonth = inflate.findViewById(R.id.useMonth);
        EditText useDay = inflate.findViewById(R.id.useDay);
        Spinner depart_down = inflate.findViewById(R.id.depart_down);
        Button btn_save = inflate.findViewById(R.id.btn_save);
        Button btn_disagree = inflate.findViewById(R.id.btn_disagree);
        final AlertDialog dialog = new AlertDialog
                .Builder(AddQualityActivity.this)
                .setView(inflate)
                .show();
        // 通过WindowManager获取
        DisplayMetrics dm = new DisplayMetrics();
        getWindowManager().getDefaultDisplay().getMetrics(dm);
        final WindowManager.LayoutParams params = dialog.getWindow().getAttributes();
        params.width = dm.widthPixels * 9 / 10;
        params.height = dm.heightPixels * 1 / 2;
        dialog.setCanceledOnTouchOutside(false);
        dialog.getWindow().setAttributes(params);
        dialog.getWindow().setBackgroundDrawableResource(android.R.color.transparent);

        //获取时间
        Calendar c = Calendar.getInstance();
        int year = c.get(Calendar.YEAR);
        int month = c.get(Calendar.MONTH) + 1;
        int date = c.get(Calendar.DATE);
        Log.e("系统时间 >>>>", "showPageDialog: " + year + "----" + month + "---" + date);
        produceYear.setText(year + "");
        produceMonth.setText(month + "");
        produceDay.setText(date + "");
        useYear.setText(year + "");
        useMonth.setText(month + "");
        useDay.setText(date + "");

        if (conn == true && flag == true) {
            if (departmentByPerBean.getCode() == 200 && departmentByPerBean.getData() != null) {
                // 建立数据源
                ArrayList<String> mItems = new ArrayList<>();
                mItems.add("请选择科室");
                demItems.add("0");
                //遍历取出科室
                for (DepartmentByPerBean.DataBeanX.DataBean arr : departmentByPerBean.getData().getData()
                ) {
                    mItems.add(arr.getDepartmentName());
                    demItems.add(arr.getId() + "");
                }

                ArrayAdapter<String> adapter = new ArrayAdapter<String>(AddQualityActivity.this, android.R.layout.simple_spinner_item, mItems);
                adapter.setDropDownViewResource(android.R.layout.simple_spinner_dropdown_item);
                depart_down.setAdapter(adapter);
            }
        }

        //禁止OnItemSelectedListener默认自动调用一次
        depart_down.setSelection(0, true);
        //选择科室内容
        depart_down.setOnItemSelectedListener(new AdapterView.OnItemSelectedListener() {
            @Override
            public void onItemSelected(AdapterView<?> parent, View view, int pos, long id) {
                num = demItems.get(pos) + "";
            }

            @Override
            public void onNothingSelected(AdapterView<?> parent) {
                // TODO
            }
        });

        btn_save.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                dialog.dismiss();
                String pageNumber = pageName.getText().toString();
                String proYear = produceYear.getText().toString();
                String proMonth = produceMonth.getText().toString();
                String proDay = produceDay.getText().toString();
                String produce = proYear + "-" + proMonth + "-" + proDay;
                String uYear = useYear.getText().toString();
                String uMonth = useMonth.getText().toString();
                String uDay = useDay.getText().toString();
                String using = uYear + "-" + uMonth + "-" + uDay;
                Log.e("科室Id >>>>", "onClick: " + num);

                if (conn == false) {
                    Toast.makeText(AddQualityActivity.this, "网络未连接，请检查您的网络", Toast.LENGTH_SHORT).show();
                } else {
                    if (TextUtils.isEmpty(pageNumber)) {
                        Toast.makeText(AddQualityActivity.this, "请输入试纸批号！", Toast.LENGTH_SHORT).show();
                        return;
                    } else if (TextUtils.isEmpty(proYear)) {
                        Toast.makeText(AddQualityActivity.this, "请输入生产年份！", Toast.LENGTH_SHORT).show();
                        return;
                    } else if (TextUtils.isEmpty(proMonth)) {
                        Toast.makeText(AddQualityActivity.this, "请输入生产月份！", Toast.LENGTH_SHORT).show();
                        return;
                    } else if (TextUtils.isEmpty(proDay)) {
                        Toast.makeText(AddQualityActivity.this, "请输入生产日期！", Toast.LENGTH_SHORT).show();
                        return;
                    } else if (TextUtils.isEmpty(uYear)) {
                        Toast.makeText(AddQualityActivity.this, "请输入使用年份！", Toast.LENGTH_SHORT).show();
                        return;
                    } else if (TextUtils.isEmpty(uMonth)) {
                        Toast.makeText(AddQualityActivity.this, "请输入使用月份！", Toast.LENGTH_SHORT).show();
                        return;
                    } else if (TextUtils.isEmpty(uDay)) {
                        Toast.makeText(AddQualityActivity.this, "请输入使用日期！", Toast.LENGTH_SHORT).show();
                        return;
                    } else if (num.equals("-1")) {
                        Toast.makeText(AddQualityActivity.this, "请选择科室！", Toast.LENGTH_SHORT).show();
                        return;
                    } else if (!TextUtils.isEmpty(pageNumber) && !TextUtils.isEmpty(proYear) && !TextUtils.isEmpty(proMonth) && !TextUtils.isEmpty(proDay)
                            && !TextUtils.isEmpty(uYear) && !TextUtils.isEmpty(uMonth) && !TextUtils.isEmpty(uDay) && num.equals("-1") == false) {

                        presenter.addArticleTry("", pageNumber, produce, AccountHelper.getDeanId() + "", num, "", using, "", AccountHelper.getUserId(), AccountHelper.getToken());
                    }
                }
            }
        });

        btn_disagree.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                dialog.dismiss();
            }
        });
    }