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package com.hundsun.zhoujl.android;import java.io.File;import java.util.ArrayList;import android.app.AlertDialog;import android.app.ListActivity;import android.content.DialogInterface;import android.graphics.Color;import android.os.Bundle;import android.view.View;import android.widget.ArrayAdapter;import android.widget.ListView;import android.widget.TextView;public class Test_fileActivity extends ListActivity { private ArrayList<String> items = null; private ArrayList<String> paths = null; private String rootPath = "/"; private TextView mPath; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); mPath = (TextView)findViewById(R.id.mPath); mPath.setTextColor(Color.RED); getFileDir(rootPath); } private void getFileDir(String filePath) { mPath.setText(filePath); items = new ArrayList<String>(); paths = new ArrayList<String>(); File file = new File(filePath); File[] files = file.listFiles(); if(!filePath.equals(rootPath)) { items.add("Back To " + rootPath); paths.add(rootPath); items.add("Back to ../"); paths.add(file.getParent()); } for(File fileTemp :files) { items.add(fileTemp.getName()); paths.add(fileTemp.getPath()); } ArrayAdapter<String> adapter = new ArrayAdapter<String>(Test_fileActivity.this,R.layout.file_now,items); setListAdapter(adapter); } @Override protected void onListItemClick(ListView l, View v, int position, long id) { File file = new File(paths.get(position)); if(file.canRead()) { if(file.isDirectory()) { getFileDir(paths.get(position)); }else { new AlertDialog.Builder(this) .setTitle("Message") .setMessage("["+file.getName() + "] is a file") .setPositiveButton("ok", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }).show(); } }else { new AlertDialog.Builder(this) .setTitle("Message") .setMessage("權限不足~") .setPositiveButton("ok", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { } }).show(); } } } |
main.xml:
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<?xml version="1.0" encoding="utf-8"?> android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" ><TextView android:id="@+id/mPath" android:layout_width="fill_parent" android:layout_height="wrap_content" android:text="@string/hello" /><ListView android:id="@android:id/list" android:layout_width="fill_parent" android:layout_height="wrap_content" ></ListView> </LinearLayout> |
file_now.xml
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<?xml version="1.0" encoding="utf-8"?><TextView android:orientation="vertical" android:layout_width="match_parent" android:layout_height="20px" android:textSize="14sp" > </TextView> |