Android中常用Dialog（弹窗）

• ProgressDialog
• DatePickerDialog
• TimePickerDialog
• 布局
• 完整代码

    private  void showProgressDialog(){
        progressDialog = new ProgressDialog(DialogDemo.this);

        //设置提示信息
        progressDialog.setTitle("提示");
        progressDialog.setIcon(R.mipmap.touxiang0);

        progressDialog.setMessage("正在处理中");

        //是否用过返回键取消
        progressDialog.setCancelable(true);
        //碰触弹框之外的地方取消
        progressDialog.setCanceledOnTouchOutside(true);


        //显示
        progressDialog.show();
    }

 //日期
    private  void datePickerDialog(){
        if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.N){
            DatePickerDialog datePickerDialog = new DatePickerDialog(DialogDemo.this);
            datePickerDialog.setOnDateSetListener(new DatePickerDialog.OnDateSetListener() {
                @Override
                public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
                    Toast.makeText(DialogDemo.this,year+"年"+(month+1)+"月"+dayOfMonth+"日",Toast.LENGTH_SHORT).show();
                }
            });
            datePickerDialog.show();
        }else {
            Toast.makeText(DialogDemo.this,"版本过低",Toast.LENGTH_SHORT).show();

        }
    }

    //时间
    private  void timePickerDialog(){
        //获得日历的实列
        Calendar calendar = Calendar.getInstance();

        //设置当前时间
        calendar.setTimeInMillis(System.currentTimeMillis());

        //获取时分

        int hour  = calendar.get(Calendar.HOUR_OF_DAY);
        int minute = calendar.get(Calendar.MINUTE);


        //第三、四个参数初始时分 第五个参数是否为24小时显示
        TimePickerDialog time = new TimePickerDialog(DialogDemo.this, new TimePickerDialog.OnTimeSetListener() {
            @Override
            public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
                Toast.makeText(DialogDemo.this,"Hour"+hourOfDay+"minute"+minute,Toast.LENGTH_SHORT).show();

            }
        },hour,minute,true);

        time.show();

    }

import androidx.appcompat.app.AppCompatActivity;

import android.app.DatePickerDialog;
import android.app.ProgressDialog;
import android.app.TimePickerDialog;
import android.os.Build;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.DatePicker;
import android.widget.TimePicker;
import android.widget.Toast;

import java.util.Calendar;

public class DialogDemo extends AppCompatActivity {
    Button mBtnProgress,mBtnDatePicker,mBtnTimePicker;
    ProgressDialog progressDialog;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_dialog_demo);
        initView();
        MyOnClick myonClick = new MyOnClick();
        mBtnProgress.setOnClickListener(myOnClick);
        mBtnDatePicker.setOnClickListener(myOnClick);
        mBtnTimePicker.setOnClickListener(myOnClick);
    }

    private  void initView(){
        mBtnProgress = findViewById(R.id.btnProgress);
        mBtnDatePicker = findViewById(R.id.btnDatePicker);
        mBtnTimePicker = findViewById(R.id.btnTimePicker);
    }


    class MyOnClick implements View.OnClickListener {

        @Override
        public void onClick(View v) {
            switch(v.getId()){
                case  R.id.btnProgress:
                    showProgressDialog();
                    break;
                case  R.id.btnDatePicker:
                    datePickerDialog();
                    break;
                case  R.id.btnTimePicker:
                    timePickerDialog();
                    break;
            }
        }
    }

    private  void showProgressDialog(){
        progressDialog = new ProgressDialog(DialogDemo.this);

        //设置提示信息
        progressDialog.setTitle("提示");
        progressDialog.setIcon(R.mipmap.touxiang0);

        progressDialog.setMessage("正在处理中");

        //是否用过返回键取消
        progressDialog.setCancelable(true);
        //碰触弹框之外的地方取消
        progressDialog.setCanceledOnTouchOutside(true);


        //显示
        progressDialog.show();
    }

    //日期
    private  void datePickerDialog(){
        if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.N){
            DatePickerDialog datePickerDialog = new DatePickerDialog(DialogDemo.this);
            datePickerDialog.setOnDateSetListener(new DatePickerDialog.OnDateSetListener() {
                @Override
                public void onDateSet(DatePicker view, int year, int month, int dayOfMonth) {
                    Toast.makeText(DialogDemo.this,year+"年"+(month+1)+"月"+dayOfMonth+"日",Toast.LENGTH_SHORT).show();
                }
            });
            datePickerDialog.show();
        }else {
            Toast.makeText(DialogDemo.this,"版本过低",Toast.LENGTH_SHORT).show();

        }
    }


    //时间
    private  void timePickerDialog(){
        //获得日历的实列
        Calendar calendar = Calendar.getInstance();

        //设置当前时间
        calendar.setTimeInMillis(System.currentTimeMillis());

        //获取时分

        int hour  = calendar.get(Calendar.HOUR_OF_DAY);
        int minute = calendar.get(Calendar.MINUTE);


        //第三、四个参数初始时分 第五个参数是否为24小时显示
        TimePickerDialog time = new TimePickerDialog(DialogDemo.this, new TimePickerDialog.OnTimeSetListener() {
            @Override
            public void onTimeSet(TimePicker view, int hourOfDay, int minute) {
                Toast.makeText(DialogDemo.this,"Hour"+hourOfDay+"minute"+minute,Toast.LENGTH_SHORT).show();

            }
        },hour,minute,true);

        time.show();

    }

}