Android 创建与删除文件（数据储存操作-03_031）

Android 创建与删除文件(数据储存操作-03_031).zip

package com.mingrisoft.filecreationanddeletion;

import android.content.Context;
import android.support.test.InstrumentationRegistry;
import android.support.test.runner.AndroidJUnit4;

import org.junit.Test;
import org.junit.runner.RunWith;

import static org.junit.Assert.*;

/**
 * Instrumentation test which will execute on an Android device.
 *
 * @see Testing documentation
 */
@RunWith（AndroidJUnit4.class）
public class ExampleInstrumentedTest {
    @Test
    public void useAppContext（） throws Exception {
        // Context of the app under test.
        Context appContext = InstrumentationRegistry.getTargetContext（）;

        assertEquals（“com.mingrisoft.filecreationanddeletion“ appContext.getPackageName（））;
    

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件         127  2017-06-10 09:41  Project\FileCreationAndDeletion\.gitignore
     文件         521  2017-06-10 10:10  Project\FileCreationAndDeletion\build.gradle
     文件         877  2017-06-10 09:41  Project\FileCreationAndDeletion\FileCreationAndDeletion.iml
     文件         747  2017-06-10 10:10  Project\FileCreationAndDeletion\gradle.properties
     文件        4971  2017-06-10 10:10  Project\FileCreationAndDeletion\gradlew
     文件        2404  2017-06-10 10:10  Project\FileCreationAndDeletion\gradlew.bat
     文件         439  2017-06-10 10:10  Project\FileCreationAndDeletion\local.properties
     文件          16  2017-06-10 10:10  Project\FileCreationAndDeletion\settings.gradle
     文件          31  2017-06-10 09:41  Project\FileCreationAndDeletion\.gradle\2.14.1\taskArtifacts\cache.properties
     文件          17  2017-06-10 09:41  Project\FileCreationAndDeletion\.gradle\2.14.1\taskArtifacts\cache.properties.lock
     文件      223357  2017-06-10 09:41  Project\FileCreationAndDeletion\.gradle\2.14.1\taskArtifacts\fileHashes.bin
     文件     6093576  2017-06-10 09:41  Project\FileCreationAndDeletion\.gradle\2.14.1\taskArtifacts\fileSnapshots.bin
     文件       29900  2017-06-10 09:41  Project\FileCreationAndDeletion\.gradle\2.14.1\taskArtifacts\fileSnapshotsToTreeSnapshotsIndex.bin
     文件      165316  2017-06-10 09:41  Project\FileCreationAndDeletion\.gradle\2.14.1\taskArtifacts\taskArtifacts.bin
     文件      141467  2017-06-10 09:41  Project\FileCreationAndDeletion\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.bin
     文件          17  2017-06-10 09:41  Project\FileCreationAndDeletion\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.lock
     文件       21234  2017-06-10 09:41  Project\FileCreationAndDeletion\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.bin
     文件          17  2017-06-10 09:41  Project\FileCreationAndDeletion\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.lock
     文件         686  2017-06-10 09:41  Project\FileCreationAndDeletion\.idea\compiler.xml
     文件         718  2017-06-10 09:41  Project\FileCreationAndDeletion\.idea\gradle.xml
     文件        2226  2017-06-10 09:41  Project\FileCreationAndDeletion\.idea\misc.xml
     文件         383  2017-06-10 09:41  Project\FileCreationAndDeletion\.idea\modules.xml
     文件         564  2017-06-10 09:41  Project\FileCreationAndDeletion\.idea\runConfigurations.xml
     文件      168481  2017-06-10 09:41  Project\FileCreationAndDeletion\.idea\workspace.xml
     文件          76  2017-06-10 09:41  Project\FileCreationAndDeletion\.idea\copyright\profiles_settings.xml
     文件         656  2017-06-10 09:41  Project\FileCreationAndDeletion\.idea\libraries\animated_vector_drawable_24_2_1.xml
     文件         772  2017-06-10 09:41  Project\FileCreationAndDeletion\.idea\libraries\appcompat_v7_24_2_1.xml
     文件         638  2017-06-10 09:41  Project\FileCreationAndDeletion\.idea\libraries\espresso_core_2_2_2.xml
     文件         693  2017-06-10 09:41  Project\FileCreationAndDeletion\.idea\libraries\espresso_idling_resource_2_2_2.xml
     文件         711  2017-06-10 09:41  Project\FileCreationAndDeletion\.idea\libraries\exposed_instrumentation_api_publish_0_5.xml
     文件         526  2017-06-10 09:41  Project\FileCreationAndDeletion\.idea\libraries\hamcrest_core_1_3.xml
............此处省略103个文件信息