2024.6.5

前端界面的后端代码package com.example.helppeople;

import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.os.Looper;
import android.view.View;
import android.widget.Button;
import android.widget.ImageButton;
import android.widget.TextView;
import androidx.appcompat.app.AppCompatActivity;
import androidx.viewpager.widget.ViewPager;
import java.text.SimpleDateFormat;
import java.util.Calendar;
import java.util.Locale;
import com.example.helppeople.adapter.ImagePagerAdapter;

public class Index extends AppCompatActivity {
    private TextView textViewTime;
    private Button doctorclick;
    private Button helpclick;
    private Button sosclick;
    private Button socialclick;
    private ViewPager viewPager;
    private ImageButton prevButton;
    private ImageButton nextButton;
    private int[] imageResources = {R.drawable.image1, R.drawable.image2, R.drawable.image3};
    private ImagePagerAdapter adapter;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_index);

        textViewTime = findViewById(R.id.textView_time);
        helpclick = findViewById(R.id.Clickhelp);
        socialclick = findViewById(R.id.Clicksocial);
        sosclick = findViewById(R.id.ClickSOS);
        viewPager = findViewById(R.id.viewPager);
        prevButton = findViewById(R.id.prev_button);
        nextButton = findViewById(R.id.next_button);

        // Set up the ViewPager with the adapter
        adapter = new ImagePagerAdapter(this, imageResources);
        viewPager.setAdapter(adapter);

        prevButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int currentItem = viewPager.getCurrentItem();
                if (currentItem > 0) {
                    viewPager.setCurrentItem(currentItem - 1);
                }
            }
        });

        nextButton.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                int currentItem = viewPager.getCurrentItem();
                if (currentItem < imageResources.length - 1) {
                    viewPager.setCurrentItem(currentItem + 1);
                }
            }
        });

        final Handler handler = new Handler(Looper.getMainLooper());
        handler.post(new Runnable() {
            @Override
            public void run() {
                // 获取当前时间
                Calendar calendar = Calendar.getInstance();
                SimpleDateFormat sdf = new SimpleDateFormat("HH:mm:ss", Locale.getDefault());
                String currentTime = sdf.format(calendar.getTime());

                // 在 TextView 中显示当前时间
                textViewTime.setText("当前时间: " + currentTime);

                // 每秒更新一次时间
                handler.postDelayed(this, 1000);
            }
        });
    }

    public void Socialclick(View view) {
        Intent intent = new Intent(Index.this, Soul.class);
        startActivity(intent);
    }

    public void SOSclick(View view) {
        Intent intent = new Intent(Index.this, Sos1.class);
        startActivity(intent);
    }

    public void Helpclick(View view) {
        Intent intent = new Intent(Index.this, gridview.class);
        startActivity(intent);
    }
}