287 lines
8.9 KiB
Plaintext
287 lines
8.9 KiB
Plaintext
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package com.novelbook.android;
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import android.Manifest;
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import android.content.pm.PackageManager;
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import android.os.AsyncTask;
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import android.os.Build;
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import android.os.Environment;
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import android.support.annotation.NonNull;
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import android.support.v7.widget.Toolbar;
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import android.view.View;
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import android.widget.AdapterView;
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import android.widget.Button;
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import android.widget.CompoundButton;
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import android.widget.ListView;
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import android.widget.Toast;
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import com.novelbook.android.adapter.FileAdapter;
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import com.novelbook.android.db.Novel;
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import com.novelbook.android.utils.FileUtils;
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import com.novelbook.android.utils.Fileutil;
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import org.litepal.LitePal;
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import java.io.File;
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import java.util.ArrayList;
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import java.util.List;
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import butterknife.BindView;
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public class FileActivity extends Activity_base {
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public static final String TAG=FileActivity.class.getSimpleName();
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@BindView(R.id.toolbar)
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Toolbar toolbar;
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@BindView(R.id.btn_choose_all)
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Button btnChooseAll;
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@BindView(R.id.btn_delete)
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Button btnDelete;
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@BindView(R.id.btn_add_file)
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Button btnAddFile;
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@BindView(R.id.lv_file_drawer)
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ListView lvFileDrawer;
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public static final int EXTERNAL_STORAGE_REQ_CODE = 10 ;
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//文件根目录
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private File root;
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private List<File> listFile = new ArrayList<>();
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private static FileAdapter adapter;
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private SearchTextFileTask mSearchTextFileTask;
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private SaveBookToSqlLiteTask mSaveBookToSqlLiteTask;
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@Override
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public int getLayoutRes() {
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return R.layout.zactivity_file;
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}
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@Override
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protected void initViews() {
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}
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@Override
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protected void setTitle() {
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}
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@Override
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protected void initData() {
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getWindow().setBackgroundDrawable(null);
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setSupportActionBar(toolbar);
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//设置导航图标
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getSupportActionBar().setDisplayHomeAsUpEnabled(true);
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toolbar.setNavigationOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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finish();
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}
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});
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if(getSupportActionBar() != null) {
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getSupportActionBar().setTitle("导入图书");
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}
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adapter = new FileAdapter(this, listFile);
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lvFileDrawer.setAdapter(adapter);
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if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
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checkPermission(FileActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE, EXTERNAL_STORAGE_REQ_CODE,"添加图书需要此权限，请允许");
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}else{
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root = Environment.getExternalStorageDirectory();
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searchFile();
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}
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initListener();
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}
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@Override
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public void fillData() {
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}
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protected void initListener() {
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lvFileDrawer.setOnItemClickListener(new AdapterView.OnItemClickListener() {
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@Override
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public void onItemClick(AdapterView<?> parent, View view, int position, long id) {
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// adapter.setSelectedPosition(position);
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}
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});
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lvFileDrawer.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
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@Override
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public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
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return true;
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}
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});
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adapter.setCheckedChangeListener(new FileAdapter.CheckedChangeListener() {
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@Override
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public void onCheckedChanged(int position, CompoundButton buttonView, boolean isChecked) {
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setAddFileText(adapter.getCheckNum());
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}
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});
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//全选
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btnChooseAll.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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adapter.checkAll();
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}
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});
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//取消选择
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btnDelete.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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adapter.cancel();
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}
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});
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//把已经选择的书加入书架
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btnAddFile.setOnClickListener(new View.OnClickListener() {
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@Override
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public void onClick(View v) {
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saveBookList();
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}
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});
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}
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@Override
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protected void onDestroy() {
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super.onDestroy();
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if (mSearchTextFileTask != null) {
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mSearchTextFileTask.cancel(true);
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}
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if (mSaveBookToSqlLiteTask != null){
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mSaveBookToSqlLiteTask.cancel(true);
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}
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}
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//保存选择的txt文件
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private void saveBookList(){
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List<File> files = adapter.getCheckFiles();
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if (files.size() > 0) {
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List<Novel> bookLists = new ArrayList<Novel>();
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for (File file : files) {
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Novel bookList = new Novel();
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String bookName = Fileutil.getFileNameNoEx(file.getName());
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bookList.setName(bookName);
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bookList.setNovelPath(file.getAbsolutePath());
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bookLists.add(bookList);
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}
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mSaveBookToSqlLiteTask = new SaveBookToSqlLiteTask();
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mSaveBookToSqlLiteTask.execute(bookLists);
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}
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}
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private class SaveBookToSqlLiteTask extends AsyncTask<List<Novel>,Void,Integer>{
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private static final int FAIL = 0;
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private static final int SUCCESS = 1;
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private static final int REPEAT = 2;
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private Novel repeatBookList;
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@Override
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protected Integer doInBackground(List<Novel>... params) {
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List<Novel> bookLists = params[0];
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for (Novel bookList : bookLists){
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List<Novel> books = LitePal.where("bookpath = ?", bookList.getNovelPath()).find(Novel.class);
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if (books.size() > 0){
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repeatBookList = bookList;
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return REPEAT;
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}
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}
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try {
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LitePal.saveAll(bookLists);
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} catch (Exception e){
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e.printStackTrace();
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return FAIL;
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}
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return SUCCESS;
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}
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@Override
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protected void onPostExecute(Integer result) {
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super.onPostExecute(result);
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String msg = "";
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switch (result){
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case FAIL:
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msg = "由于一些原因添加书本失败";
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break;
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case SUCCESS:
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msg = "添加书本成功";
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setAddFileText(0);
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adapter.cancel();
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break;
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case REPEAT:
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msg = "书本" + repeatBookList.getName() + "重复了";
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break;
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}
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Toast.makeText(FileActivity.this, msg, Toast.LENGTH_SHORT).show();
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}
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}
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//设置添加按钮text
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protected void setAddFileText(final int num){
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btnAddFile.post(new Runnable() {
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@Override
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public void run() {
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btnAddFile.setText("加入书架(" + num + ")项");
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}
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});
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}
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protected void searchFile(){
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// startTime = System.currentTimeMillis();
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mSearchTextFileTask = new SearchTextFileTask();
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mSearchTextFileTask.execute();
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}
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private class SearchTextFileTask extends AsyncTask<Void,Void,Boolean>{
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@Override
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protected void onPreExecute() {
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showProgressDialog(true,"正在扫描txt文件");
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}
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@Override
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protected Boolean doInBackground(Void... params) {
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listFile = FileUtils.getSuffixFile(root.getAbsolutePath(),".txt");
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if (listFile == null || listFile.isEmpty()){
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return false;
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}
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return true;
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}
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@Override
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protected void onPostExecute(Boolean result) {
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super.onPostExecute(result);
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hideProgress();
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if (result) {
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adapter.setFiles(listFile); //list值传到adapter
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setAddFileText(0);
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// endTime = System.currentTimeMillis();
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// Log.e("time",endTime - startTime + "");
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} else {
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Toast.makeText(FileActivity.this, "本机查不到txt文件", Toast.LENGTH_SHORT)
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.show();
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}
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}
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}
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@Override
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public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
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switch (requestCode) {
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case EXTERNAL_STORAGE_REQ_CODE: {
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// 如果请求被拒绝，那么通常grantResults数组为空
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if (grantResults.length > 0
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&& grantResults[0] == PackageManager.PERMISSION_GRANTED) {
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//申请成功，进行相应操作
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root = Environment.getExternalStorageDirectory();
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searchFile();
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} else {
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//申请失败，可以继续向用户解释。
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}
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return;
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}
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}
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}
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}
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