日期选择器

依赖
implementation 'com.contrarywind:Android-PickerView:4.1.6'

package com.example.yanhengcun.mvp.ui.fragment;

import android.Manifest;
import android.content.Intent;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.TextView;

import com.bigkoo.pickerview.builder.TimePickerBuilder;
import com.bigkoo.pickerview.listener.OnTimeSelectListener;
import com.bigkoo.pickerview.view.TimePickerView;
import com.example.yanhengcun.R;
import com.example.yanhengcun.di.component.DaggerMyComponent;
import com.example.yanhengcun.di.module.MyModule;
import com.example.yanhengcun.mvp.contract.MyContract;
import com.example.yanhengcun.mvp.presenter.MyPresenter;
import com.jess.arms.base.BaseFragment;
import com.jess.arms.di.component.AppComponent;
import com.jess.arms.utils.ArmsUtils;

import java.text.SimpleDateFormat;
import java.util.Date;

import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;
import butterknife.Unbinder;

import static com.jess.arms.utils.Preconditions.checkNotNull;


public class MyFragment extends BaseFragment<MyPresenter> implements MyContract.View {

    @BindView(R.id.but_dain)
    Button butDain;
    @BindView(R.id.tv_tv)
    TextView tvTv;
    Unbinder unbinder;

    private TimePickerView pickerView;

    public static MyFragment newInstance() {
        MyFragment fragment = new MyFragment();
        return fragment;
    }

    @Override
    public void setupFragmentComponent(@NonNull AppComponent appComponent) {
        DaggerMyComponent //如找不到该类,请编译一下项目
                .builder()
                .appComponent(appComponent)
                .myModule(new MyModule(this))
                .build()
                .inject(this);
    }

    @Override
    public View initView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
        return inflater.inflate(R.layout.fragment_my, container, false);
    }

    @Override
    public void initData(@Nullable Bundle savedInstanceState) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
            requestPermissions(new String[]{Manifest.permission.CAMERA}, 0);
        }

        pickerView = new TimePickerBuilder(getContext(), new OnTimeSelectListener() {
            @Override
            public void onTimeSelect(Date date, View v) {
                tvTv.setText(getTime(date));
            }
        }).build();


    }

    private String getTime(Date date){
        SimpleDateFormat simpleDateFormat = new SimpleDateFormat("yyyy-MM-dd HH:mm:ss");

        return  simpleDateFormat.format(date);
    }

    @Override
    public void setData(@Nullable Object data) {

    }

    @Override
    public void showLoading() {

    }

    @Override
    public void hideLoading() {

    }

    @Override
    public void showMessage(@NonNull String message) {
        checkNotNull(message);
        ArmsUtils.snackbarText(message);
    }

    @Override
    public void launchActivity(@NonNull Intent intent) {
        checkNotNull(intent);
        ArmsUtils.startActivity(intent);
    }

    @Override
    public void killMyself() {

    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        // TODO: inflate a fragment view
        View rootView = super.onCreateView(inflater, container, savedInstanceState);
        unbinder = ButterKnife.bind(this, rootView);
        return rootView;
    }

    @Override
    public void onDestroyView() {
        super.onDestroyView();
        unbinder.unbind();
    }

    @OnClick(R.id.but_dain)
    public void onViewClicked() {
        pickerView.show();
    }
}