MpRemote/app/src/main/java/com/xypower/mpremote/ImageActivity.java

package com.xypower.mpremote;

import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;

import android.content.ContentUris;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Bundle;
import android.provider.MediaStore;
import android.util.Log;
import android.view.View;

import com.xypower.mpremote.adapter.ImageItemAdapter;
import com.xypower.mpremote.databinding.ActivityImageBinding;
import com.xypower.mpremote.utils.AppUtils;
import com.xypower.mpremote.utils.FileUtils;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

public class ImageActivity extends AppCompatActivity implements View.OnClickListener {
    private String mSerialNo = "";
    private ImageItemAdapter mAdapter;
    private ActivityImageBinding binding;
    private String path;//图片地址
    private String cmdid;
    private String photodirpath;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        binding = ActivityImageBinding.inflate(getLayoutInflater());
        setContentView(binding.getRoot());
        initIntent();
        initView();
        initData();
    }


    private void initIntent() {
        Intent intent = getIntent();
        path = intent.getStringExtra("path");
        photodirpath = intent.getStringExtra("photodirpath");
        cmdid = intent.getStringExtra("cmdid");
    }

    private void initView() {
        String versionName = AppUtils.getAppNameWithVersion(this);
        binding.toolbar.title.setText(versionName);
        binding.toolbar.refresh.setVisibility(View.VISIBLE);
        binding.toolbar.back.setOnClickListener(this);
        binding.toolbar.refresh.setOnClickListener(this);
        mAdapter = new ImageItemAdapter();
//        mAdapter.setOnClickListener(this);
        binding.recyclerView.setAdapter(mAdapter);
        binding.recyclerView.setHasFixedSize(true);
        binding.recyclerView.setLayoutManager(new LinearLayoutManager(this));

    }

    private void initData() {
//        getPicList();
        loadPhotos();
    }

    private void loadPhotos() {
        List<String> imageFiles = FileUtils.getImageFiles(photodirpath);
        mAdapter.setItemList(imageFiles);
    }

    //获取文件夹下所有的照片
    private void getPicList() {
        // 获取应用专属目录的相对路径
//        String relativePath = Environment.DIRECTORY_PICTURES + "/" + Constants.PACKAGE_NAME_MPREMOTE + "/";
        String relativePath = photodirpath;

        String[] projection = {MediaStore.Images.Media._ID, MediaStore.Images.Media.DISPLAY_NAME};

        String selection = MediaStore.Images.Media.RELATIVE_PATH + " = ?";
        String[] selectionArgs = new String[]{relativePath};

        Cursor cursor = getContentResolver().query(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, projection, selection, selectionArgs, null);

        List<String> imageList = new ArrayList<>();
        if (cursor != null) {
            int idColumn = cursor.getColumnIndexOrThrow(MediaStore.Images.Media._ID);
            int nameColumn = cursor.getColumnIndexOrThrow(MediaStore.Images.Media.DISPLAY_NAME);

            while (cursor.moveToNext()) {
                long id = cursor.getLong(idColumn);
                String name = cursor.getString(nameColumn);
                Uri contentUri = ContentUris.withAppendedId(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, id);

                imageList.add(name);
            }
            cursor.close();
        }

        Log.e("dfsdaf", imageList.toString());
    }


    protected void loadAllImages() {
        File localDevicePath = new File(getFilesDir(), "Photos" + File.separator + mSerialNo);
        if (!localDevicePath.exists()) {
            localDevicePath.mkdirs();
        }
    }

    @Override
    public void onClick(View v) {
        switch (v.getId()) {
            case R.id.back:
                finish();
                break;
            case R.id.refresh:
                loadPhotos();
                break;
        }

    }


}