多线程下载

来源：互联网发布：linux 文件引用计数编辑：程序博客网时间：2024/06/14 17:57
package com.example.administrator.zmlx_3;import android.content.Intent;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.util.Log;import android.view.View;import android.widget.Button;import android.widget.ProgressBar;import android.widget.TextView;import android.widget.VideoView;import com.example.administrator.zmlx_3.SSPP.DownloadUtil;public class NewActivity extends AppCompatActivity {    private static final String TAG = MainActivity.class.getSimpleName();    private ProgressBar mProgressBar;    private Button start;    private Button pause;    private TextView total;    private int max;    private DownloadUtil mDownloadUtil;    private VideoView vv;    @Override    protected void onCreate(Bundle savedInstanceState) {        super.onCreate(savedInstanceState);        setContentView(R.layout.activity_new);        total = (TextView) findViewById(R.id.textView);        start = (Button) findViewById(R.id.start);        pause = (Button) findViewById(R.id.delete);        vv = (VideoView) findViewById(R.id.vv);        mProgressBar = (ProgressBar) findViewById(R.id.progressBar);        Intent    in=getIntent();        String    path=in.getStringExtra("path");        String urlString =path;        String localPath =getCacheDir() + "/local2";        mDownloadUtil = new DownloadUtil(2, localPath, "adc.mp4", urlString,                this);        mDownloadUtil.setOnDownloadListener(new DownloadUtil.OnDownloadListener() {            @Override            public void downloadStart(int fileSize) {                // TODO Auto-generated method stub                Log.w(TAG, "fileSize::" + fileSize);                max = fileSize;                mProgressBar.setMax(fileSize);            }            @Override            public void downloadProgress(int downloadedSize) {                // TODO Auto-generated method stub                Log.w(TAG, "Compelete::" + downloadedSize);                mProgressBar.setProgress(downloadedSize);                total.setText((int) downloadedSize * 100 / max + "%");            }            //下载完成            @Override            public void downloadEnd() {                vv.setVideoPath(getCacheDir() + "/local2/adc.mp4");                vv.start();                Log.w(TAG, "ENd");            }        });        start.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View arg0) {                // TODO Auto-generated method stub                mDownloadUtil.start();            }        });        pause.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View arg0) {                // TODO Auto-generated method stub                mDownloadUtil.pause();            }        });    }}
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