android 根据指定路径获取本地视频列表显示，点击缩略图调用系统播放器进行播放

最新推荐文章于 2022-05-21 11:20:55 发布

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最新推荐文章于 2022-05-21 11:20:55 发布 · 4.3k 阅读

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#android #视频列表 #系统播放器

第一步，MainActivity.class类代码如下：

package com.learn.lister.systemvediorecord;

import android.app.Activity;
import android.content.Intent;
import android.graphics.Bitmap;
import android.media.ThumbnailUtils;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Handler;
import android.os.Message;
import android.provider.MediaStore;
import android.support.v4.BuildConfig;
import android.support.v4.content.FileProvider;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.BaseAdapter;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;

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

public class MainActivity extends Activity implements OnItemClickListener {

    private static final String TAG = "MainActivity";
    //自己本地文件保存路径
    //private String video_path = "/storage/emulated/0/Camera/";
     String path = Environment.getExternalStorageDirectory().getAbsolutePath() + "/XiaoGou/";
    private List<Picture> listPictures;
    ListView listView;
    GridView mGridView;

    private Handler handler = new Handler() {
        @Override
        public void handleMessage(Message msg) {
            // TODO Auto-generated method stub
            super.handleMessage(msg);

            if (msg.what == 0) {
                List<Picture> listPictures = (List<Picture>) msg.obj;
                MyAdapter adapter = new MyAdapter(listPictures);
                mGridView.setAdapter(adapter);
            }
        }

    };

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

    private void loadVaule() {
        File file = new File(video_path);