Android 保存信息到SD卡（数据储存操作-03_025）

Android 保存信息到SD卡(数据储存操作-03_025).zip

package com.mingrisoft.fileinfo;

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.fileinfo“ appContext.getPackageName（））;
    }
}

 属性            大小     日期    时间   名称
----------- ---------  ---------- -----  ----
     文件         127  2017-06-07 14:15  Project\FileInfo\.gitignore
     文件         587  2017-06-07 14:15  Project\FileInfo\build.gradle
     文件         862  2017-06-07 14:15  Project\FileInfo\FileInfo.iml
     文件         747  2017-06-07 14:15  Project\FileInfo\gradle.properties
     文件        4971  2017-06-07 14:15  Project\FileInfo\gradlew
     文件        2404  2017-06-07 14:15  Project\FileInfo\gradlew.bat
     文件         426  2017-06-07 14:15  Project\FileInfo\local.properties
     文件          16  2017-06-07 14:15  Project\FileInfo\settings.gradle
     文件          37  2017-06-07 14:15  Project\FileInfo\.gradle\2.14.1\taskArtifacts\cache.properties
     文件          17  2017-06-07 14:15  Project\FileInfo\.gradle\2.14.1\taskArtifacts\cache.properties.lock
     文件      150801  2017-06-07 14:15  Project\FileInfo\.gradle\2.14.1\taskArtifacts\fileHashes.bin
     文件     3244361  2017-06-07 14:15  Project\FileInfo\.gradle\2.14.1\taskArtifacts\fileSnapshots.bin
     文件       29978  2017-06-07 14:15  Project\FileInfo\.gradle\2.14.1\taskArtifacts\fileSnapshotsToTreeSnapshotsIndex.bin
     文件      170198  2017-06-07 14:15  Project\FileInfo\.gradle\2.14.1\taskArtifacts\taskArtifacts.bin
     文件       28213  2017-06-07 14:15  Project\FileInfo\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.bin
     文件          17  2017-06-07 14:15  Project\FileInfo\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localClassSetAnalysis\localClassSetAnalysis.lock
     文件       20745  2017-06-07 14:15  Project\FileInfo\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.bin
     文件          17  2017-06-07 14:15  Project\FileInfo\.gradle\2.14.1\tasks\_app_compileDebugJavaWithJavac\localJarClasspathSnapshot\localJarClasspathSnapshot.lock
     文件         686  2017-06-07 14:15  Project\FileInfo\.idea\compiler.xml
     文件         626  2017-06-07 14:15  Project\FileInfo\.idea\gradle.xml
     文件        2514  2017-06-07 14:15  Project\FileInfo\.idea\misc.xml
     文件         353  2017-06-07 14:15  Project\FileInfo\.idea\modules.xml
     文件         564  2017-06-07 14:15  Project\FileInfo\.idea\runConfigurations.xml
     文件      156687  2017-06-07 14:15  Project\FileInfo\.idea\workspace.xml
     文件          76  2017-06-07 14:15  Project\FileInfo\.idea\copyright\profiles_settings.xml
     文件         643  2017-06-07 14:15  Project\FileInfo\.idea\libraries\animated_vector_drawable_24_2_1.xml
     文件         759  2017-06-07 14:15  Project\FileInfo\.idea\libraries\appcompat_v7_24_2_1.xml
     文件         625  2017-06-07 14:15  Project\FileInfo\.idea\libraries\espresso_core_2_2_2.xml
     文件         680  2017-06-07 14:15  Project\FileInfo\.idea\libraries\espresso_idling_resource_2_2_2.xml
     文件         698  2017-06-07 14:15  Project\FileInfo\.idea\libraries\exposed_instrumentation_api_publish_0_5.xml
     文件         526  2017-06-07 14:15  Project\FileInfo\.idea\libraries\hamcrest_core_1_3.xml
............此处省略48个文件信息