andorid开发--记账本（七）

今天主要完成记录页面的完善，添加了时间选择对话框

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:orientation="vertical"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:background="@color/white">
    <DatePicker
        android:id="@+id/dialog_time_dp"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"/>
    <TextView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="@string/please_input_time"
        android:padding="10dp"/>
    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        android:padding="10dp">
        <EditText
            android:id="@+id/dialog_time_et_hour"
            android:layout_width="60dp"
            android:layout_height="wrap_content"
            android:inputType="number"
            android:maxLength="2"/>
        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text=":"
            android:textSize="20dp"
            android:textStyle="bold"/>
        <EditText
            android:id="@+id/dialog_time_et_minute"
            android:layout_width="60dp"
            android:layout_height="wrap_content"
            android:inputType="number"
            android:maxLength="2"/>
    </LinearLayout>

    <LinearLayout
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="right"
        android:orientation="horizontal">
        <Button
            android:id="@+id/dialog_time_btn_cancel"
            android:layout_width="80dp"
            android:layout_height="wrap_content"
            android:text="@string/cancel"
            android:textColor="@color/green_006400"
            android:background="@null"
            android:layout_marginRight="20dp"/>
        <Button
            android:id="@+id/dialog_time_btn_ensure"
            android:layout_width="80dp"
            android:layout_height="wrap_content"
            android:text="@string/ensure"
            android:textColor="@color/green_006400"
            android:background="@null"
            android:layout_marginRight="20dp"/>
    </LinearLayout>
    
</LinearLayout>

package com.example.myapplication.utils;

import android.app.Dialog;
import android.content.Context;
import android.os.Bundle;
import android.text.TextUtils;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.EditText;

import androidx.annotation.NonNull;

import com.example.myapplication.R;

/*
 * 记录页面弹出时间的对话框*/
public class SelectTimeDialog extends Dialog implements View.OnClickListener {
    EditText hourEt, minuteEt;
    DatePicker datePicker;
    Button ensureBtn, cancelBtn;

    public interface OnEnsureListener{
        public void OnEnsure(String time,int year,int month,int day);
    }
    OnEnsureListener onEnsureListener;

    public void setOnEnsureListener(OnEnsureListener onEnsureListener) {
        this.onEnsureListener = onEnsureListener;

    }

    public SelectTimeDialog(@NonNull Context context) {
        super(context);
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.dialog_time);
        hourEt = findViewById(R.id.dialog_time_et_hour);
        minuteEt = findViewById(R.id.dialog_time_et_minute);
        datePicker = findViewById(R.id.dialog_time_dp);
        ensureBtn = findViewById(R.id.dialog_time_btn_ensure);
        cancelBtn = findViewById(R.id.dialog_time_btn_cancel);
        //添加点击事件
        ensureBtn.setOnClickListener(this);
        cancelBtn.setOnClickListener(this);
    }

    @Override
    public void onClick(View v) {
        if (v.getId() == R.id.dialog_time_btn_cancel) {
            cancel();
        } else if (v.getId() == R.id.dialog_time_btn_ensure) {

            int year = datePicker.getYear();
            int month = datePicker.getMonth()+1;
            int dayOfMonth = datePicker.getDayOfMonth();
            String monthStr=String.valueOf(month);
            if(month<10){
                monthStr="0"+month;
            }
            String dayStr=String.valueOf(dayOfMonth);
            if(dayOfMonth<10){
                dayStr="0"+dayOfMonth;
            }
            //获取输入的小时和分钟
            String hourStr = hourEt.getText().toString();
            String minuteStr = minuteEt.getText().toString();
            int hour=0;
            if(!TextUtils.isEmpty(hourStr)){
                hour=Integer.parseInt(hourStr);
                hour=hour%24;
            }
            int minute=0;
            if(!TextUtils.isEmpty(minuteStr)){
                minute=Integer.parseInt(minuteStr);
                minute=minute%60;
            }

            hourStr=String.valueOf(hour);
            minuteStr=String.valueOf(minute);
            if(hour<10){
                hourStr="0"+hour;
            }
            if(minute<10){
                minuteStr="0"+minute;
            }

            String timeFormat=year+"年"+monthStr+"月"+dayStr+"日 "+hourStr+":"+minuteStr;
            if(onEnsureListener!=null){
                onEnsureListener.OnEnsure(timeFormat,year,month,dayOfMonth);
            }
            cancel();
        }
    }

//    //隐藏dataPicker的头布局
//    private void hideDatePickerHeader() {
//        ViewGroup rootView = (ViewGroup) datePicker.getChildAt(0);
//        if (rootView == null) {
//            return;
//        }
//        View headView = rootView.getChildAt(0);
//        if (headView == null) {
//            return;
//        }
//        int headerID = getContext().getResources().getIdentifier("day_picker_selector_layout", "id", "android");
//        if(headerID==headView.getId()){
//            headView.setVisibility(View.GONE);
//            ViewGroup.LayoutParams layoutParamsRoot=rootView.getLayoutParams();
//            layoutParamsRoot.width=ViewGroup.LayoutParams.WRAP_CONTENT;
//            rootView.setLayoutParams(layoutParamsRoot);
//
//            ViewGroup childAt = (ViewGroup) rootView.getChildAt(1);
//        }
//    }
}