ListPopupWindow spinner

<RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="@mipmap/spinner">

            <TextView
                android:id="@+id/et_list"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:layout_marginLeft="@dimen/dp_12"
                android:layout_marginRight="@dimen/dp_12"
                android:gravity="center|start" />

            <ImageView
                android:id="@+id/iv_arrow"
                android:layout_width="@dimen/dp_50"
                android:layout_height="match_parent"
                android:layout_alignParentRight="true"
                android:layout_marginLeft="@dimen/dp_100"
                android:padding="@dimen/dp_15"
                android:src="@drawable/arrow_down" />

        </RelativeLayout>

package com.pdxx.xxpt.activity;

import android.os.Build;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.ListPopupWindow;
import android.view.Gravity;
import android.view.View;
import android.view.ViewGroup.LayoutParams;
import android.widget.AdapterView;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.PopupWindow;
import android.widget.TextView;

import com.pdxx.xxpt.R;
import com.pdxx.xxpt.utill.TimeUtil;

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

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

public class SearchHighActivity extends AppCompatActivity implements View.OnClickListener {


    @BindView(R.id.et_list)
    TextView etList;
    @BindView(R.id.iv_arrow)
    ImageView ivArrow;
   


    private ListPopupWindow mPopup;

    private String[] mGoodArray = {"pencil", "potato", "peanut", "carrot", "cabbage", "cat"};

  

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_search_high);
        ButterKnife.bind(this);


        etList.setOnClickListener(this);


        mPopup = new ListPopupWindow(this);
        mPopup.setWidth(LayoutParams.WRAP_CONTENT);
        mPopup.setHeight(LayoutParams.WRAP_CONTENT);
        mPopup.setModal(true);

    }


   
    }


    @Override
    public void onClick(View v) {
        if (v.getId() == R.id.et_list) {
            setListPopu(v, mGoodArray, ivArrow, etList);

        }
    }

    private void setListPopu(View v, String[] strings, ImageView iv, TextView tv) {
        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            mPopup.setDropDownGravity(Gravity.END);
        }
        ArrayAdapter adapter = new ArrayAdapter(this, android.R.layout.simple_list_item_1, strings);
        mPopup.setAdapter(adapter);
        mPopup.setAnchorView(v);
        mPopup.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
                tv.setText(strings[position]);
                mPopup.dismiss();
            }
        });
        mPopup.setOnDismissListener(new PopupWindow.OnDismissListener() {
            @Override
            public void onDismiss() {
                iv.setImageResource(R.drawable.arrow_down);
            }
        });
        mPopup.show();
        ivArrow.setImageResource(R.drawable.arrow_up);
    }


}

本文地址：https://blog.csdn.net/qq_26500807/article/details/110632933