android 多文件上传(有进度条)例子源码

【核心代码】

package com.lxb.uploadwithprogress;

import java.io.File;

import com.lxb.uploadwithprogress.http.HttpMultipartPost;

import android.app.Activity;
import android.content.Context;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;

public class MainActivity extends Activity implements OnClickListener {
	
	private Context context;
	
	private EditText et_filepath;
	private Button btn_upload;
	private Button btn_cancle;
	
	private HttpMultipartPost post;

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        
        context = this;
        
        setContentView(R.layout.activity_main);
        
        et_filepath = (EditText) findViewById(R.id.et_filepath);
        btn_upload = (Button) findViewById(R.id.btn_upload);
        btn_cancle = (Button) findViewById(R.id.btn_cancle);
     
        btn_upload.setOnClickListener(this);
        btn_cancle.setOnClickListener(this);
    }

	@Override
	public void onClick(View v) {
		switch (v.getId()) {
		case R.id.btn_upload:
			String filePath = et_filepath.getText().toString();
			File file = new File(filePath);
			if (file.exists()) {
				post = new HttpMultipartPost(context, filePath);
				post.execute();
			} else {
				Toast.makeText(context, "file not exists", Toast.LENGTH_LONG).show();
			}
			break;
		case R.id.btn_cancle:
			if (post != null) {
				if (!post.isCancelled()) {
					post.cancel(true);
				}
			}
			break;
		}
		
	}
    
}