package?com.example.administrator.bigfileencrypt;

import?android.app.Activity;
import?android.content.Intent;
import?android.net.Uri;
import?android.os.Bundle;
import?android.support.v7.app.AppCompatActivity;
import?android.view.View;
import?android.widget.Button;
import?android.widget.TextView;
import?android.widget.Toast;

import?java.io.File;
import?java.io.IOException;
import?java.io.RandomAccessFile;
import?java.io.UnsupportedEncodingException;
import?java.util.ArrayList;
import?java.util.List;
import?java.util.UUID;

public?class?MainActivity?extends?AppCompatActivity?implements?View.onclickListener?{
????TextView?uuid_textView;
????TextView?path_textView;

????@Override
????protected?void?onCreate（Bundle?savedInstanceState）?{
????????super.onCreate（savedIn

?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2018-05-15?10:22??BigFileEncrypt\
?????文件?????????127??2018-05-15?10:21??BigFileEncrypt\.gitignore
?????目錄???????????0??2018-05-15?10:22??BigFileEncrypt\.gradle\
?????目錄???????????0??2018-05-15?10:47??BigFileEncrypt\.gradle\3.3\
?????目錄???????????0??2018-05-15?10:22??BigFileEncrypt\.gradle\3.3\taskArtifacts\
?????文件??????136033??2018-05-15?12:01??BigFileEncrypt\.gradle\3.3\taskArtifacts\fileHashes.bin
?????文件?????1447062??2018-05-15?12:01??BigFileEncrypt\.gradle\3.3\taskArtifacts\fileSnapshots.bin
?????文件???????76968??2018-05-15?12:01??BigFileEncrypt\.gradle\3.3\taskArtifacts\taskArtifacts.bin
?????文件??????????17??2018-05-15?12:01??BigFileEncrypt\.gradle\3.3\taskArtifacts\taskArtifacts.lock
?????目錄???????????0??2018-05-15?10:47??BigFileEncrypt\.gradle\3.3\tasks\
?????目錄???????????0??2018-05-15?10:47??BigFileEncrypt\.gradle\3.3\tasks\_app_compileDebugJavaWithJavac\
?????目錄???????????0??2018-05-15?10:47??BigFileEncrypt\.gradle\3.3\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\
?????文件???????50165??2018-05-15?12:01??BigFileEncrypt\.gradle\3.3\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.bin
?????文件??????????17??2018-05-15?12:01??BigFileEncrypt\.gradle\3.3\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.lock
?????目錄???????????0??2018-05-15?10:47??BigFileEncrypt\.gradle\3.3\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\
?????文件???????20101??2018-05-15?12:01??BigFileEncrypt\.gradle\3.3\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.bin
?????文件??????????17??2018-05-15?12:01??BigFileEncrypt\.gradle\3.3\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.lock
?????目錄???????????0??2018-05-15?12:08??BigFileEncrypt\.idea\
?????文件?????????686??2018-05-15?10:22??BigFileEncrypt\.idea\compiler.xml
?????目錄???????????0??2018-05-15?10:22??BigFileEncrypt\.idea\copyright\
?????文件??????????76??2018-05-15?10:22??BigFileEncrypt\.idea\copyright\profiles_settings.xml
?????文件?????????626??2018-05-15?10:22??BigFileEncrypt\.idea\gradle.xml
?????目錄???????????0??2018-05-15?10:22??BigFileEncrypt\.idea\libraries\
?????文件?????????625??2018-05-15?10:22??BigFileEncrypt\.idea\libraries\animated_vector_drawable_26_0_0_alpha1.xml
?????文件?????????589??2018-05-15?10:22??BigFileEncrypt\.idea\libraries\appcompat_v7_26_0_0_alpha1.xml
?????文件?????????410??2018-05-15?10:22??BigFileEncrypt\.idea\libraries\constraint_layout_1_0_2.xml
?????文件?????????340??2018-05-15?10:22??BigFileEncrypt\.idea\libraries\constraint_layout_solver_1_0_2.xml
?????文件?????????582??2018-05-15?10:22??BigFileEncrypt\.idea\libraries\espresso_core_2_2_2.xml
?????文件?????????615??2018-05-15?10:22??BigFileEncrypt\.idea\libraries\espresso_idling_resource_2_2_2.xml
?????文件?????????633??2018-05-15?10:22??BigFileEncrypt\.idea\libraries\exposed_instrumentation_api_publish_0_5.xml
?????文件?????????526??2018-05-15?10:22??BigFileEncrypt\.idea\libraries\hamcrest_core_1_3.xml
............此處省略72個文件信息