日期选择器

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

package bwei.com.shangchuang.mvp.ui.activity;

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.View;
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.jess.arms.base.BaseActivity;
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 bwei.com.shangchuang.R;
import bwei.com.shangchuang.di.component.DaggerMainComponent;
import bwei.com.shangchuang.di.module.MainModule;
import bwei.com.shangchuang.mvp.contract.MainContract;
import bwei.com.shangchuang.mvp.presenter.MainPresenter;

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


public class MainActivity extends BaseActivity implements MainContract.View {

    @BindView(R.id.btn)
    Button btn;
    @BindView(R.id.tv)
    TextView tv;
    private TimePickerView pickerView;

    @Override
    public void setupActivityComponent(@NonNull AppComponent appComponent) {
        DaggerMainComponent //如找不到该类,请编译一下项目
                .builder()
                .appComponent(appComponent)
                .mainModule(new MainModule(this))
                .build()
                .inject(this);
    }

    @Override
    public int initView(@Nullable Bundle savedInstanceState) {
        return R.layout.activity_main; //如果你不需要框架帮你设置 setContentView(id) 需要自行设置,请返回 0
    }

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

        pickerView = new TimePickerBuilder(this, new OnTimeSelectListener() {
            @Override
            public void onTimeSelect(Date date, View v) {
                tv.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 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() {
        finish();
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        // TODO: add setContentView(...) invocation
        ButterKnife.bind(this);
    }

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