基本信息
源码名称:android 文件浏览器
源码大小:0.05M
文件格式:.rar
开发语言:Java
更新时间:2015-09-08
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源码介绍
package com.main; import java.io.ByteArrayOutputStream; import java.io.File; import java.io.FileInputStream; import java.io.FileNotFoundException; import java.io.IOException; import java.util.ArrayList; import java.util.Locale; import android.app.Activity; import android.content.Context; import android.os.Bundle; import android.speech.tts.TextToSpeech; import android.speech.tts.TextToSpeech.OnInitListener; import android.util.Log; import android.view.View; import android.widget.AdapterView; import android.widget.ArrayAdapter; import android.widget.ListView; import android.widget.TextView; import android.widget.Toast; import android.widget.AdapterView.OnItemClickListener; public class FEMainActivity extends Activity { private static final String _DirRoot = "/"; private final String _BACK_TO_ROOT="Back To /"; public static final String _TAG = "TAG"; String _currPath ; ListView lv; ArrayList arrl = new ArrayList(); ArrayAdapter aa; TextView tv; Context ct; public OnItemClickListener _itemClickListener; /** Called when the activity is first created. */ @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.main); lv = (ListView) this.findViewById(R.id.ListView01); tv = (TextView) this.findViewById(R.id.tv); ct = this; getDir(new File(_DirRoot)); _itemClickListener = new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> parent, View view, int position, long id) { // TODO Auto-generated method stub String _selectItem = parent.getItemAtPosition(position) .toString(); String _fileName = null; if (_selectItem.equals(_BACK_TO_ROOT)) { _fileName=_DirRoot; } else if(_currPath.equals(_DirRoot)){ _fileName =_currPath _selectItem; }else _fileName = _currPath "/" _selectItem; Log.d(_TAG, _fileName " "); File f = new File(_fileName); if (f.canRead()) { if (f.isDirectory()) { getDir(f); } else if (f.getName().toLowerCase().endsWith(".txt")) { readText(f); } }else { Toast.makeText(ct, "ERRO!You Have No Right To Access!", Toast.LENGTH_LONG).show(); } } }; lv.setOnItemClickListener(_itemClickListener); } public void getDir(File f){ //File f = new File(fileName); _currPath = f.getPath(); Log.d(_TAG, _currPath); tv.setText(_currPath); arrl.removeAll(arrl); arrl.add(_BACK_TO_ROOT); File[] _f = f.listFiles(); for(File _temFile:_f){ arrl.add(_temFile.getName()); } aa = new ArrayAdapter(this, android.R.layout.simple_list_item_1, arrl); lv.setAdapter(aa); } public void readText(File f){ try { FileInputStream fis = new FileInputStream(f); byte[] buffer = new byte[1024]; // 你可以根据实际需要调整缓存大小 int len = -1; ByteArrayOutputStream outSteam = new ByteArrayOutputStream(); while ((len = fis.read(buffer)) != -1) { outSteam.write(buffer, 0, len); } outSteam.close(); fis.close(); String str = new String(outSteam.toByteArray()); //Log.d(_TAG, str); TextToSpeech speaker = new TextToSpeech(ct, new OnInitListener(){ @Override public void onInit(int status) { // TODO Auto-generated method stub Toast.makeText(ct, "it starting.......", Toast.LENGTH_LONG).show(); } }); speaker.speak(str, TextToSpeech.QUEUE_ADD, null); } catch (FileNotFoundException e) { // TODO Auto-generated catch block e.printStackTrace(); }catch (IOException e) { e.printStackTrace(); Log.d(_TAG, "IOException"); }catch(SecurityException e){ Log.d(_TAG, "SecurityException"); } } }