<!-- 相对布局
-->
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/background">
<!--文本控件
显示当前路径 -->
<TextView
android:id="@+id/show"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="20sp"
android:singleLine="true"/>
<!-- 列表视图
显示当前目录的内容 -->
<ListView
android:id="@+id/list"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_below="@+id/show"
android:divider="@drawable/line"
android:cacheColorHint="#000"
android:layout_marginBottom="70dp"></ListView>
<!-- 网格视图
显示菜单，创建、修改等菜单项 -->
<GridView
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"></GridView>
</RelativeLayout><!-- 菜单适配器布局 -->
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/toolbar_item"
android:paddingBottom="5dp">
<!-- 图片控件
用于显示菜单图片 -->
<ImageView
android:id="@+id/toolbarImage"
android:layout_width="wrap_content"
android:layout_height="45dp"
android:layout_centerHorizontal="true"
/>
<!-- 文本控件
用于显示菜单文字 -->
<TextView
android:id="@+id/toolbarTitle"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/toolbarImage"
android:layout_centerHorizontal="true"
android:textColor="#fff"/>
</RelativeLayout><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="38dp"
android:layout_gravity="left|center">
<!-- 图标 -->
<ImageView
android:id="@+id/image_list_child"
android:layout_width="40dip"
android:layout_height="40dip"/>"
<!-- 文本 -->
<TextView
android:id="@+id/text_list_child"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="20sp"
android:singleLine="true"
android:ellipsize="marquee"
android:marqueeRepeatLimit="marquee_forever"/>
</LinearLayout><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="fill_parent" android:layout_height="wrap_content" android:orientation="vertical" > <!-- 二选一 --> <RadioGroup android:id="@+id/radiogroup_create" android:layout_width="fill_parent" android:layout_height="wrap_content"> <!-- 创建文件选项 --> <RadioButton android:layout_height="wrap_content" android:layout_width="fill_parent" android:text="创建文件夹" android:id="@+id/create_file" /> <!-- 创建文件夹选项 --> <RadioButton android:layout_height="wrap_content" android:layout_width="fill_parent" android:text="创建文件" android:id="@+id/create_folder" /> </RadioGroup> <!-- 文本框，供用户填写文件名称 --> <EditText android:layout_height="wrap_content" android:id="@+id/new_filename" android:layout_width="fill_parent" android:hint="请输入名称" android:singleLine="true" /> </LinearLayout>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical">
<!-- 单选列表
用于判断搜索范围 -->
<RadioGroup
android:id="@+id/radiogroup_search"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<!-- 当前路径下搜索 -->
<RadioButton
android:id="@+id/radio_currentpath"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="在当前路径下搜索"/>
<!-- 在整个目录下搜索 -->
<RadioButton
android:id="@+id/radio_wholepath"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="在整个目录下搜索"/>
</RadioGroup>
<EditText
android:id="@+id/edit_search"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:hint="请输入搜索关键字"
android:singleLine="true"/>
</LinearLayout><?xml version="1.0" encoding="utf-8"?>
<!-- 系统清单文件
声明版本号，所包含组件等等 -->
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.filemanager.myfilemanager"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="8"
android:targetSdkVersion="18" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.filemanager.myfilemanager.MainActivity"
android:label="@string/app_name" >
<!-- 程序入口声明 -->
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<service android:name=".FileService">
<intent-filter>
<action android:name="com.android.service.FILE_SEARCH_START" />
<category android:name="android.intent.category.DEFAULT" />
</intent-filter>
</service>
</application>
<!-- 对SD卡读写的权限 -->
<uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS"/>
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
</manifest>
public class MainActivity extends Activity {
//定义Log标签
private static final String TAG = "FILEMANAGER";
private String mAction;
//声明成员变量
private TextView show;
private ListView list;
private GridView toolbar;
private boolean isAddBackUp = false;
// 代表手机或SD卡，1代表手机，2代表SD卡
private int position = 1;
//手机起始目录“/”
private String mRootPath = java.io.File.separator;
// SD卡根目录
private String mSDCard = Environment.getExternalStorageDirectory().toString();
//用静态变量存储 当前目录路径信息
public static String mCurrentFilePath = "";
//文件列表
List<String> mFileName;
//文件路径列表
List<String> mFilePath;
//菜单项对应的图片和文字
private int[] toolbarImage = {R.drawable.menu_phone,R.drawable.menu_sdcard,R.drawable.menu_search,
R.drawable.menu_create,R.drawable.menu_palse,R.drawable.menu_exit};
private String[] toolbarTitle = {"手机","SD卡","搜索","创建","黏贴","退出"};
//显示搜索的区域 1：当前路径 2：整个目录
private int mRadioChecked;
//搜索内容
private String keyWords;
//BroadCastReceiver的标识
public static final String KEYWORD_BROADCAST = "com.filemanager.file.KEYWORD_BROADCAST";
//标识是否取消搜索
public static boolean isComeBackFromNotification = false;
//标识创建文件还是创建文件夹 1标识文件，2标识文件夹
private static int mChecked;
private String mNewFolderName = "";
private File mCreateFile;
//黏贴文件的新和旧路径
private String mOldFilePath = "";
private String mNewFilePath = "";
private boolean isCopy = false;
private String mCopyFileName;
//程序创建
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
Log.i(TAG, "test------ FILEMANAGER is oncreate");
//初始化菜单视图
initGridViewData();
//初始化菜单监听器
initToolbarListener();
show = (TextView)findViewById(R.id.show);
//一开始程序的时候加载手机目录下的文件列表
initFileListInfo(mRootPath);
//初始化列表监听事件
initListListener();
}
/**
* @param 初始化菜单视图
*/
private void initGridViewData(){
toolbar = (GridView)this.findViewById(R.id.toolbar);
//设置背景图片
toolbar.setBackgroundResource(R.drawable.menu_background);
//设置点击时的背景图片
toolbar.setSelector(R.drawable.menu_item_selected);
//设置列数
toolbar.setNumColumns(6);
//设置居中对齐
toolbar.setGravity(Gravity.CENTER);
//设置水平，垂直间距为10
toolbar.setVerticalSpacing(10);
toolbar.setHorizontalSpacing(10);
//添加适配器
toolbar.setAdapter(getToolbarAdapter(toolbarTitle,toolbarImage));
}
/**
* @param 菜单适配器
* @return
*/
private SimpleAdapter getToolbarAdapter(String[] toolbarTitle,int[] toolbarImage){
ArrayList<HashMap<String,Object>> mData = new ArrayList<HashMap<String,Object>>();
for(int i = 0; i < toolbarTitle.length; i++){
HashMap<String,Object> map = new HashMap<String,Object>();
//将“image”映射成图片资源
map.put("image", toolbarImage[i]);
//将“title”映射成标题
map.put("title", toolbarTitle[i]);
mData.add(map);
}
//新建简单适配器，设置适配器的布局文件，映射关系
return new SimpleAdapter(this, mData, R.layout.item_toolbar, new String[]{"image","title"}, new int[]{R.id.toolbarImage,R.id.toolbarTitle});
}
/**
* @param 初始化监听事件
*/
private void initToolbarListener(){
toolbar.setOnItemClickListener(new OnItemClickListener() {
@Override
public void onItemClick(AdapterView<?> arg0, View v, int code,
long arg3) {
switch(code){
//手机文件目录
case 0:
position = 1;
initFileListInfo(mRootPath);
break;
//SD卡目录
case 1:
position = 2;
initFileListInfo(mSDCard);
break;
//搜索
case 2:
searchDilalog();
break;
//创建
case 3:
createFolder();
break;
//黏贴
case 4:
palseFile();
break;
//退出
case 5:
MainActivity.this.finish();
break;
}
}
});
}
/**
* @param 初始化目录内容
* @param path
*/
private void initFileListInfo(String filePath){
isAddBackUp = false;
mCurrentFilePath = filePath;
//显示当前路径
show.setText(filePath);
//文件列表
mFileName = new ArrayList<String>();
//文件路径列表
mFilePath = new ArrayList<String>();
File mFile = new File(filePath);
//遍历出该文件夹路径下的所有文件/文件夹
File[] allFiles = mFile.listFiles();
//只要当前路径不是手机根目录或者是sd卡根目录则显示“返回根目录”和“返回上一级”
if(position == 1&&!mCurrentFilePath.equals(mRootPath)){
initAddBackUp(filePath,mRootPath);
}else if(position == 2&&!mCurrentFilePath.equals(mSDCard)){
initAddBackUp(filePath,mSDCard);
}
/*将所有文件信息添加到集合中*/
for(File mCurrentFile:allFiles){
mFileName.add(mCurrentFile.getName());
mFilePath.add(mCurrentFile.getPath());
}
//适配数据
list = (ListView)this.findViewById(R.id.list);
list.setAdapter(new FileAdapter(MainActivity.this,mFileName,mFilePath));
}
/*
* 根据点击“手机”还是“SD卡”来加“返回根目录”和“返回上一级”
*/
private void initAddBackUp(String filePath,String phone_sdcard){
if(!filePath.equals(phone_sdcard)){
/*列表项的第一项设置为返回根目录*/
mFileName.add("BacktoRoot");
mFilePath.add(phone_sdcard);
/*列表项的第二项设置为返回上一级*/
mFileName.add("BacktoUp");
//回到当前目录的父目录即回到上级
mFilePath.add(new File(filePath).getParent());
//将添加返回按键标识位置为true
isAddBackUp = true;
}
}
//自定义Adapter内部类
class FileAdapter extends BaseAdapter{
//返回键，各种格式的文件的图标
private Bitmap mBackRoot;
private Bitmap mBackUp;
private Bitmap mImage;
private Bitmap mAudio;
private Bitmap mRar;
private Bitmap mVideo;
private Bitmap mFolder;
private Bitmap mApk;
private Bitmap mOthers;
private Bitmap mTxt;
private Bitmap mWeb;
private Context mContext;
//文件名列表
private List<String> mFileNameList;
//文件对应的路径列表
private List<String> mFilePathList;
public FileAdapter(Context context,List<String> fileName,List<String> filePath){
mContext = context;
mFileNameList = fileName;
mFilePathList = filePath;
//初始化图片资源
//返回到根目录
mBackRoot = BitmapFactory.decodeResource(mContext.getResources(),R.drawable.back_to_root);
//返回到上一级目录
mBackUp = BitmapFactory.decodeResource(mContext.getResources(),R.drawable.back_to_up);
//图片文件对应的icon
mImage = BitmapFactory.decodeResource(mContext.getResources(),R.drawable.image);
//音频文件对应的icon
mAudio = BitmapFactory.decodeResource(mContext.getResources(),R.drawable.audio);
//视频文件对应的icon
mVideo = BitmapFactory.decodeResource(mContext.getResources(),R.drawable.video);
//可执行文件对应的icon
mApk = BitmapFactory.decodeResource(mContext.getResources(),R.drawable.apk);
//文本文档对应的icon
mTxt = BitmapFactory.decodeResource(mContext.getResources(),R.drawable.txt);
//其他类型文件对应的icon
mOthers = BitmapFactory.decodeResource(mContext.getResources(),R.drawable.others);
//文件夹对应的icon
mFolder = BitmapFactory.decodeResource(mContext.getResources(),R.drawable.folder);
//zip文件对应的icon
mRar = BitmapFactory.decodeResource(mContext.getResources(),R.drawable.zip_icon);
//网页文件对应的icon
mWeb = BitmapFactory.decodeResource(mContext.getResources(),R.drawable.web_browser);
}
//获得文件的总数
@Override
public int getCount() {
return mFilePathList.size();
}
//获得当前位置对应的文件名
@Override
public Object getItem(int position) {
return mFileNameList.get(position);
}
//获得当前的位置
@Override
public long getItemId(int position) {
return position;
}
//获得视图
@Override
public View getView(int position, View convertView, ViewGroup viewgroup) {
ViewHolder viewHolder = null;
if (convertView == null) {
viewHolder = new ViewHolder();
LayoutInflater mLI = (LayoutInflater)mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
//初始化列表元素界面
convertView = mLI.inflate(R.layout.list_child, null);
//获取列表布局界面元素
viewHolder.mIV = (ImageView)convertView.findViewById(R.id.image_list_child);
viewHolder.mTV = (TextView)convertView.findViewById(R.id.text_list_child);
//将每一行的元素集合设置成标签
convertView.setTag(viewHolder);
} else {
//获取视图标签
viewHolder = (ViewHolder) convertView.getTag();
}
File mFile = new File(mFilePathList.get(position).toString());
//如果
if(mFileNameList.get(position).toString().equals("BacktoRoot")){
//添加返回根目录的按钮
viewHolder.mIV.setImageBitmap(mBackRoot);
viewHolder.mTV.setText("返回根目录");
}else if(mFileNameList.get(position).toString().equals("BacktoUp")){
//添加返回上一级菜单的按钮
viewHolder.mIV.setImageBitmap(mBackUp);
viewHolder.mTV.setText("返回上一级");
}else if(mFileNameList.get(position).toString().equals("BacktoSearchBefore")){
//添加返回搜索之前目录的按钮
viewHolder.mIV.setImageBitmap(mBackRoot);
viewHolder.mTV.setText("返回搜索之前目录");
}else{
String fileName = mFile.getName();
viewHolder.mTV.setText(fileName);
if(mFile.isDirectory()){
viewHolder.mIV.setImageBitmap(mFolder);
}else{
String fileEnds = fileName.substring(fileName.lastIndexOf(".")+1,fileName.length()).toLowerCase();//取出文件后缀名并转成小写
if(fileEnds.equals("m4a")||fileEnds.equals("mp3")||fileEnds.equals("mid")||fileEnds.equals("xmf")||fileEnds.equals("ogg")||fileEnds.equals("wav")){
viewHolder.mIV.setImageBitmap(mVideo);
}else if(fileEnds.equals("3gp")||fileEnds.equals("mp4")){
viewHolder.mIV.setImageBitmap(mAudio);
}else if(fileEnds.equals("jpg")||fileEnds.equals("gif")||fileEnds.equals("png")||fileEnds.equals("jpeg")||fileEnds.equals("bmp")){
viewHolder.mIV.setImageBitmap(mImage);
}else if(fileEnds.equals("apk")){
viewHolder.mIV.setImageBitmap(mApk);
}else if(fileEnds.equals("txt")){
viewHolder.mIV.setImageBitmap(mTxt);
}else if(fileEnds.equals("zip")||fileEnds.equals("rar")){
viewHolder.mIV.setImageBitmap(mRar);
}else if(fileEnds.equals("html")||fileEnds.equals("htm")||fileEnds.equals("mht")){
viewHolder.mIV.setImageBitmap(mWeb);
}else {
viewHolder.mIV.setImageBitmap(mOthers);
}
}
}
return convertView;
}
//用于存储列表每一行元素的图片和文本
class ViewHolder {
ImageView mIV;
TextView mTV;
}
}
Intent serviceIntent;
/**
* @param 搜索
*/
private void searchDilalog(){
//用于确定是在当前目录搜索或者是在整个目录搜索的标志
mRadioChecked = 1;
//加载布局文件
LayoutInflater mLI = LayoutInflater.from(MainActivity.this);
final View mView = mLI.inflate(R.layout.search_dialog, null);
//获取单选表对象
RadioGroup rg = (RadioGroup)mView.findViewById(R.id.radiogroup_search);
final RadioButton mCurrentPathButton = (RadioButton)mView.findViewById(R.id.radio_currentpath);
final RadioButton mWholePathButton = (RadioButton)mView.findViewById(R.id.radio_wholepath);
//设置默认选择在当前路径搜索
mCurrentPathButton.setChecked(true);
rg.setOnCheckedChangeListener(new OnCheckedChangeListener() {
@Override
public void onCheckedChanged(RadioGroup radiogroup, int checkId) {
//当前路径的标志为1
if(checkId == mCurrentPathButton.getId()){
mRadioChecked = 1;
//整个目录的标志为2
}else if(checkId == mWholePathButton.getId()){
mRadioChecked = 2;
}
}
});
//AlertDialog
Builder builder =new AlertDialog.Builder(MainActivity.this)
.setTitle("搜索").setView(mView)
.setPositiveButton("确定", new OnClickListener() {
@Override
public void onClick(DialogInterface arg0, int arg1) {
// 获取搜索框的内容
keyWords = ((EditText)mView.findViewById(R.id.edit_search)).getText().toString();
if(keyWords.length() == 0){
Toast.makeText(MainActivity.this, "关键字不能为空", Toast.LENGTH_SHORT).show();
}else{
if(position == 1){
show.setText(mRootPath);
}else{
show.setText(mSDCard);
}
//获取用户输入的关键字并发送广播-开始
Intent keywordIntent = new Intent();
keywordIntent.setAction(KEYWORD_BROADCAST);
//传递搜索的范围区间:1.当前路径下搜索 2.SD卡下搜索
if(mRadioChecked == 1){
keywordIntent.putExtra("searchpath", mCurrentFilePath);
}else{
keywordIntent.putExtra("searchpath", mSDCard);
}
//传递关键字
keywordIntent.putExtra("keyword", keyWords);
//到这里为止是携带关键字信息并发送了广播，会在Service服务当中接收该广播并提取关键字进行搜索
getApplicationContext().sendBroadcast(keywordIntent);
//开启服务，启动搜索
serviceIntent = new Intent("com.android.service.FILE_SEARCH_START");
MainActivity.this.startService(serviceIntent);
isComeBackFromNotification = false;
}
}
})
.setPositiveButton("取消", null);
builder.create().show();
}
class FileBroadcast extends BroadcastReceiver{
@Override
public void onReceive(Context context, Intent intent) {
mAction = intent.getAction();
//搜索完毕
if(FileService.FILE_SEARCH_COMPLETED.equals(mAction)){
mFileName = intent.getStringArrayListExtra("mFileNameList");
mFilePath = intent.getStringArrayListExtra("mFilePathsList");
Toast.makeText(MainActivity.this, "搜索完毕!", Toast.LENGTH_SHORT).show();
//这里搜索完毕之后应该弹出一个弹出框提示用户要不要显示数据
searchCompletedDialog("搜索完毕，是否马上显示结果?");
}
//点击通知栏跳转过来的广播
else if(FileService.FILE_NOTIFICATION.equals(mAction)){
String mNotification = intent.getStringExtra("notification");
Toast.makeText(MainActivity.this, mNotification, Toast.LENGTH_LONG).show();
}
searchCompletedDialog("你确定要取消搜索吗?");
}
}
//搜索完毕和点击通知过来时的提示框
private void searchCompletedDialog(String message){
Builder searchDialog = new AlertDialog.Builder(MainActivity.this)
.setTitle("提示")
.setMessage(message)
.setPositiveButton("确定", new OnClickListener(){
public void onClick(DialogInterface dialog,int which) {
//当弹出框时，需要对这个确定按钮进行一个判断，因为要对不同的情况做不同的处理（2种情况）
// 1.搜索完毕
// 2.取消搜索
if(FileService.FILE_SEARCH_COMPLETED.equals(mAction)){
if(mFileName.size() == 0){
Toast.makeText(MainActivity.this, "无相关文件/文件夹!", Toast.LENGTH_SHORT).show();
//清空列表
list.setAdapter(new FileAdapter(MainActivity.this,mFileName,mFilePath));
}else{
//显示文件列表
list.setAdapter(new FileAdapter(MainActivity.this,mFileName,mFilePath));
}
}else{
//设置搜索标志为true，
isComeBackFromNotification = true;
//关闭服务，取消搜索
getApplicationContext().stopService(serviceIntent);
}
}
})
.setNegativeButton("取消", null);
searchDialog.create();
searchDialog.show();
}
/**注册广播*/
private IntentFilter mFilter;
private FileBroadcast mFileBroadcast;
private IntentFilter mIntentFilter;
private SearcgBroadCast mServiceBroadCast;
@Override
protected void onStart() {
super.onStart();
mFilter = new IntentFilter();
mFilter.addAction(FileService.FILE_SEARCH_COMPLETED);
mFilter.addAction(FileService.FILE_NOTIFICATION);
mIntentFilter = new IntentFilter();
mIntentFilter.addAction(KEYWORD_BROADCAST);
if(mFileBroadcast == null){
mFileBroadcast = new FileBroadcast();
}
if(mServiceBroadCast == null){
mServiceBroadCast = new SearcgBroadCast();
}
//动态注册广播
this.registerReceiver(mFileBroadcast, mFilter);
this.registerReceiver(mServiceBroadCast, mIntentFilter);
}
/**注销广播*/
@Override
protected void onDestroy() {
super.onDestroy();
mFileName.clear();
mFilePath.clear();
this.unregisterReceiver(mFileBroadcast);
this.unregisterReceiver(mServiceBroadCast);
}
/**创建文件夹的方法:当用户点击软件下面的创建菜单的时候，是在当前目录下创建的一个文件夹
* 静态变量mCurrentFilePath存储的就是当前路径
* java.io.File.separator是JAVA给我们提供的一个File类中的静态成员，它会根据系统的不同来创建分隔符
* mNewFolderName正是我们要创建的新文件的名称，从EditText组件上得到的*/
private void createFolder(){
//用于标识当前选中的是文件或者文件夹
mChecked = 2;
LayoutInflater mLI = (LayoutInflater)this.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
//初始化对话框布局
final LinearLayout mLL = (LinearLayout)mLI.inflate(R.layout.create_dialog, null);
RadioGroup mCreateRadioGroup = (RadioGroup)mLL.findViewById(R.id.radiogroup_create);
final RadioButton mCreateFileButton = (RadioButton)mLL.findViewById(R.id.create_file);
final RadioButton mCreateFolderButton = (RadioButton)mLL.findViewById(R.id.create_folder);
//设置默认为创建文件夹
mCreateFolderButton.setChecked(true);
//为按钮设置监听器
mCreateRadioGroup.setOnCheckedChangeListener(new RadioGroup.OnCheckedChangeListener(){
//当选择改变时触发
public void onCheckedChanged(RadioGroup arg0, int arg1) {
if(arg1 == mCreateFileButton.getId()){
mChecked = 1;
}else if(arg1 == mCreateFolderButton.getId()){
mChecked = 2;
}
}
});
//显示对话框
Builder mBuilder = new AlertDialog.Builder(MainActivity.this)
.setTitle("新建")
.setView(mLL)
.setPositiveButton("创建", new DialogInterface.OnClickListener(){
public void onClick(DialogInterface dialog, int which) {
//或者用户输入的名称
mNewFolderName = ((EditText)mLL.findViewById(R.id.new_filename)).getText().toString();
if(mChecked == 1){
try {
mCreateFile = new File(mCurrentFilePath+java.io.File.separator+mNewFolderName+".txt");
mCreateFile.createNewFile();
//刷新当前目录文件列表
initFileListInfo(mCurrentFilePath);
} catch (IOException e) {
Toast.makeText(MainActivity.this, "文件名拼接出错..!!", Toast.LENGTH_SHORT).show();
}
}else if(mChecked == 2){
mCreateFile = new File(mCurrentFilePath+java.io.File.separator+mNewFolderName);
if(!mCreateFile.exists()&&!mCreateFile.isDirectory()&&mNewFolderName.length() != 0){
if(mCreateFile.mkdirs()){
//刷新当前目录文件列表
initFileListInfo(mCurrentFilePath);
}else{
Toast.makeText(MainActivity.this, "创建失败，可能是系统权限不够，root一下？！", Toast.LENGTH_SHORT).show();
}
}else{
Toast.makeText(MainActivity.this, "文件名为空，还是重名了呢？", Toast.LENGTH_SHORT).show();
}
}
}
}).setNeutralButton("取消", null);
mBuilder.show();
}
/**
* @param 黏贴
*/
private void palseFile(){
mNewFilePath = mCurrentFilePath+java.io.File.separator+mCopyFileName;//得到新路径
if(!mOldFilePath.equals(mNewFilePath)&&isCopy == true){//在不同路径下复制才起效
if(!new File(mNewFilePath).exists()){
copyFile(mOldFilePath,mNewFilePath);
Toast.makeText(MainActivity.this, "执行了粘贴", Toast.LENGTH_SHORT).show();
initFileListInfo(mCurrentFilePath);
}else{
new AlertDialog.Builder(MainActivity.this)
.setTitle("提示!")
.setMessage("该文件名已存在，是否要覆盖?")
.setPositiveButton("确定", new DialogInterface.OnClickListener(){
public void onClick(DialogInterface dialog,int which){
copyFile(mOldFilePath,mNewFilePath);
initFileListInfo(mCurrentFilePath);
}
})
.setNegativeButton("取消", null).show();
}
}else{
Toast.makeText(MainActivity.this, "未复制文件！", Toast.LENGTH_LONG).show();
}
}
private int i;
FileInputStream fis;
FileOutputStream fos;
//复制文件
private void copyFile(String oldFile,String newFile){
try {
fis = new FileInputStream(oldFile);
fos = new FileOutputStream(newFile);
do{
//逐个byte读取文件，并写入另一个文件中
if((i = fis.read()) != -1){
fos.write(i);
}
}while(i != -1);
//关闭输入文件流
if(fis != null){
fis.close();
}
//关闭输出文件流
if(fos != null){
fos.close();
}
} catch (FileNotFoundException e) {
e.printStackTrace();
} catch (IOException e) {
e.printStackTrace();
}
}
/**长按文件或文件夹时弹出的带ListView效果的功能菜单*/
private void initItemLongClickListener(final File file){
OnClickListener listener = new DialogInterface.OnClickListener(){
//item的值就是从0开始的索引值(从列表的第一项开始)
public void onClick(DialogInterface dialog, int item) {
if(file.canRead()){//注意，所有对文件的操作必须是在该文件可读的情况下才可以，否则报错
if(item == 0){//复制
if(file.isFile()&&"txt".equals((file.getName().substring(file.getName().lastIndexOf(".")+1, file.getName().length())).toLowerCase())){
Toast.makeText(MainActivity.this, "已复制!", Toast.LENGTH_SHORT).show();
//复制标志位，表明已复制文件
isCopy = true;
//取得复制文件的名字
mCopyFileName = file.getName();
//记录复制文件的路径
mOldFilePath = mCurrentFilePath+java.io.File.separator+mCopyFileName;
}else{
Toast.makeText(MainActivity.this, "对不起,目前只支持复制文本文件!", Toast.LENGTH_SHORT).show();
}
}
}else{
Toast.makeText(MainActivity.this, "对不起，您的访问权限不足!", Toast.LENGTH_SHORT).show();
}
}
};
//列表项名称
String[] mMenu = {"复制","重命名","删除"};
//显示操作选择对话框
new AlertDialog.Builder(MainActivity.this)
.setTitle("请选择操作!")
.setItems(mMenu, listener)
.setPositiveButton("取消",null).show();
}
private void initListListener(){
//这里还缺少单击打开文件和文件夹的功能。。。。
//设置长按监听器
list.setOnItemLongClickListener(new OnItemLongClickListener() {
@Override
public boolean onItemLongClick(AdapterView<?> arg0, View arg1,
int position, long arg3) {
if(isAddBackUp == true){//说明存在返回根目录和返回上一级两列，接下来要对这两列进行屏蔽
if(position != 0 && position != 1){
initItemLongClickListener(new File(mFilePath.get(position)));
}
}
if(mCurrentFilePath.equals(mRootPath)||mCurrentFilePath.equals(mSDCard)){
initItemLongClickListener(new File(mFilePath.get(position)));
}
return false;
}
});
}
}
/**
* @param 用于后台搜索文件
* @author Administrator
*
*/
public class FileService extends Service{
private Looper mLooper;
private FileHandler mFileHandler;
private ArrayList<String> mFileName = null;
private ArrayList<String> mFilePaths = null;
public static final String FILE_SEARCH_COMPLETED = "com.filemanager.file.FILE_SEARCH_COMPLETED";
public static final String FILE_NOTIFICATION = "com.filemanager.file.FILE_NOTIFICATION";
private int m = -1;
public NotificationManager mNF;
@Override
public IBinder onBind(Intent arg0) {
return null;
}
//创建服务
@Override
public void onCreate() {
super.onCreate();
//新建处理线程
HandlerThread mHT = new HandlerThread("FileService",HandlerThread.NORM_PRIORITY);
mHT.start();
mLooper = mHT.getLooper();
mFileHandler = new FileHandler(mLooper);
}
@Override
public void onDestroy() {
super.onDestroy();
//取消通知
mNF.cancel(R.string.app_name);
}
@SuppressWarnings("deprecation")
@Override
public void onStart(Intent intent, int startId){
super.onStart(intent, startId);
mFileName = new ArrayList<String>();
mFilePaths = new ArrayList<String>();
mFileHandler.sendEmptyMessage(0);
//发出通知表明正在进行搜索
fileSearchNotification();
}
class FileHandler extends Handler{
public FileHandler(Looper looper){
super(looper);
}
@Override
public void handleMessage(Message msg) {
super.handleMessage(msg);
//在指定范围搜索
initFileArray(new File(SearcgBroadCast.mServiceSearchPath));
//当用户点击了取消搜索则不发生广播
if(!MainActivity.isComeBackFromNotification == true){
Intent intent = new Intent(FILE_SEARCH_COMPLETED);
intent.putStringArrayListExtra("mFileNameList", mFileName);
intent.putStringArrayListExtra("mFilePathsList", mFilePaths);
//搜索完毕之后携带数据并发送广播
sendBroadcast(intent);
}
}
}
/**具体做搜索事件的可回调函数*/
private void initFileArray(File file){
Log.d("FileService", "currentArray is "+file.getPath());
//只能遍历可读的文件夹，否则会报错
if(file.canRead()){
File[] mFileArray = file.listFiles();
for(File currentArray:mFileArray){
if(currentArray.getName().indexOf(SearcgBroadCast.mServiceKeyword) != -1){
if (m == -1) {
m++;
// 返回搜索之前目录
mFileName.add("BacktoSearchBefore");
mFilePaths.add(MainActivity.mCurrentFilePath);
}
mFileName.add(currentArray.getName());
mFilePaths.add(currentArray.getPath());
}
//如果是文件夹则回调该方法
if(currentArray.exists()&¤tArray.isDirectory()){
//如果用户取消了搜索，应该停止搜索的过程
if(MainActivity.isComeBackFromNotification == true){
return;
}
initFileArray(currentArray);
}
}
}
}
/**通知*/
private void fileSearchNotification(){
Notification mNotification = new Notification(R.drawable.logo,"后台搜索中...",System.currentTimeMillis());
Intent intent = new Intent(FILE_NOTIFICATION);
//打开notice时的提示内容
intent.putExtra("notification", "当通知还存在，说明搜索未完成，可以在这里触发一个事件，当点击通知回到Activity之后，可以弹出一个框，提示是否取消搜索!");
PendingIntent mPI = PendingIntent.getBroadcast(this,0,intent,0);
mNotification.setLatestEventInfo(this, "在"+SearcgBroadCast.mServiceSearchPath+"下搜索", "搜索关键字为"+SearcgBroadCast.mServiceKeyword+"【点击可取消搜索】", mPI);
if(mNF == null){
mNF = (NotificationManager)getSystemService(NOTIFICATION_SERVICE);
}
mNF.notify(R.string.app_name, mNotification);
}
}
public class SearcgBroadCast extends BroadcastReceiver{
//接收搜索关键字的静态变量
public static String mServiceKeyword = "";
//接收搜索路径的静态变量
public static String mServiceSearchPath = "";
@Override
public void onReceive(Context context, Intent intent) {
//取得intent
String mAction = intent.getAction();
if(MainActivity.KEYWORD_BROADCAST.equals(mAction)){
//取得intent传递过来的信息
mServiceKeyword = intent.getStringExtra("keyword");
mServiceSearchPath = intent.getStringExtra("searchpath");
}
}
}原文地址：http://blog.csdn.net/w324821962/article/details/43267743
