package com.tware.pdfdrop;
import java.io.File;
import android.app.Activity;
import android.graphics.Color;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.TextView;
public class PdfDropActivity extends Activity{
/** Called when the activity is first created. */
TextView textview;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
textview = (TextView)findViewById(R.id.v_file_list);
View clsbtn = findViewById(R.id.btn_clean);
clsbtn.setOnClickListener(new OnClickListener(){
public void onClick(View v)
{
File f = new File("/sdcard");
File[] fl = f.listFiles();
for (int i=0; i<fl.length; i++)
{
if(fl[i].toString().endsWith(".pdf") || fl[i].toString().endsWith(".PDF"))
{
if(fl[i].delete())
{
textview.setTextSize(20);
textview.setTextColor(Color.GREEN);
textview.append("\n" + fl[i].toString()+ "--- Success");
}else{
textview.setTextSize(20);
textview.setTextColor(Color.RED);
textview.append("\n" + fl[i].toString()+ "--- Failed");
}
}
}
}
});
}
}
转自:http://blog.csdn.net/tody_guo/article/details/6646712