Android开发-记账本-主要的dialog
dialog是弹出式窗口，点击后会以窗口的形式弹出主要有添加备注，日历选择等，通过设置事件监听，将dialog弹出来
package com.example.Utils.fragment;
import android.app.Dialog;
import android.content.Context;
import android.graphics.Color;
import android.os.Bundle;
import android.view.*;
import android.widget.*;
import androidx.annotation.NonNull;
import com.example.Utils.R;
import com.example.Utils.adapter.CalendarAdapter;
import com.example.Utils.database.DBManager;
import java.util.ArrayList;
import java.util.Calendar;
import java.util.List;
public class CalendarDialog extends Dialog implements View.OnClickListener {
ImageView errorIv;
GridView gv;
LinearLayout hsvLayout;
List<TextView>hsvViewList;
List<Integer>yearList;
int selectPos = -1; //表示正在被点击的年份的位置
private CalendarAdapter adapter;
int selectMonth = -1;
public interface OnRefreshListener{
public void onRefresh(int selPos,int year,int month);
}
OnRefreshListener onRefreshListener;
public void setOnRefreshListener(OnRefreshListener onRefreshListener) {
this.onRefreshListener = onRefreshListener;
}
public CalendarDialog(@NonNull Context context, int selectPos, int selectMonth) {
super(context);
this.selectPos = selectPos;
this.selectMonth = selectMonth;
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.dialog_calendar);
gv = findViewById(R.id.dialog_calendar_gv);
errorIv = findViewById(R.id.dialog_calendar_iv);
hsvLayout = findViewById(R.id.dialog_calendar_layout);
errorIv.setOnClickListener(this);
// 向横向的ScrollView当中添加View的方法
addViewToLayout();
initGridView();
//设置GridView当中每一个item的点击事件
setGVListener();
}
private void setGVListener() {
gv.setOnItemClickListener(new AdapterView.OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
adapter.selPos = position;
adapter.notifyDataSetInvalidated();
int month = position + 1;
int year = adapter.year;
// 获取到被选中的年份和月份
onRefreshListener.onRefresh(selectPos,year,month);
cancel();
}
});
}
private void initGridView() {
int selYear = yearList.get(selectPos);
adapter = new CalendarAdapter(getContext(), selYear);
if (selectMonth == -1) {
int month = Calendar.getInstance().get(Calendar.MONTH);
adapter.selPos = month;
}else {
adapter.selPos = selectMonth-1;
}
gv.setAdapter(adapter);
}
private void addViewToLayout() {
hsvViewList = new ArrayList<>(); //将添加进入线性布局当中的TextView进行统一管理的集合
yearList = DBManager.getYearListFromAccounttb(); //获取数据库当中存储了多少个年份
//如果数据库当中没有记录，就添加今年的记录
if (yearList.size() == 0) {
int year = Calendar.getInstance().get(Calendar.YEAR);
yearList.add(year);
}
//遍历年份，有几年，就向ScrollView当中添加几个view
for (int i = 0; i < yearList.size(); i++) {
int year = yearList.get(i);
View view = getLayoutInflater().inflate(R.layout.item_dialogcal_hsv, null);
hsvLayout.addView(view); //将view添加到布局当中
TextView hsvTv = view.findViewById(R.id.item_dialogcal_hsv_tv);
hsvTv.setText(year+"");
hsvViewList.add(hsvTv);
}
if (selectPos == -1) {
selectPos = hsvViewList.size()-1; //设置当前被选中的是最近的年份
}
changeTvbg(selectPos); //将最后一个设置为选中状态
setHSVClickListener(); //设置每一个View的监听事件
}
/** 给横向的ScrollView当中每一个TextView设置点击事件*/
private void setHSVClickListener() {
for (int i = 0; i < hsvViewList.size(); i++) {
TextView view = hsvViewList.get(i);
final int pos = i;
view.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
changeTvbg(pos);
selectPos = pos;
// 获取被选中的年份，然后下面的GridView显示数据源会发生变化
int year = yearList.get(selectPos);
adapter.setYear(year);
}
});
}
}
/** 传入被选中的位置，改变此位置上的背景和文字颜色*/
private void changeTvbg(int selectPos) {
for (int i = 0; i < hsvViewList.size(); i++) {
TextView tv = hsvViewList.get(i);
tv.setBackgroundResource(R.drawable.dialog_btn_bg);
tv.setTextColor(Color.BLACK);
}
TextView selView = hsvViewList.get(selectPos);
selView.setBackgroundResource(R.drawable.main_recordbtn_bg);
selView.setTextColor(Color.WHITE);
}
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.dialog_calendar_iv:
cancel();
break;
}
}
/* 设置Dialog的尺寸和屏幕尺寸一致*/
public void setDialogSize(){
// 获取当前窗口对象
Window window = getWindow();
// 获取窗口对象的参数
WindowManager.LayoutParams wlp = window.getAttributes();
// 获取屏幕宽度
Display d = window.getWindowManager().getDefaultDisplay();
wlp.width = (int)(d.getWidth());//对话框窗口为屏幕窗口
wlp.gravity = Gravity.TOP;
window.setBackgroundDrawableResource(android.R.color.transparent);
window.setAttributes(wlp);
}
}
https://www.cnblogs.com/ljq20204136/p/15760802.html
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