Android外部存储/内部存储路径获取大全

package com.mufeng.toolproject.utils;import android.content.Context;import android.os.Environment;/** * Created by mufeng on 2017/3/11. */public class DirectoryUtils {    private static final String TAG = "DirectoryUtils";    public static void getEnvironmentDirectories() {        //:/system        String rootDir = Environment.getRootDirectory().toString();        System.out.println("Environment.getRootDirectory()=:" + rootDir);        //:/data 用户数据目录        String dataDir = Environment.getDataDirectory().toString();        System.out.println("Environment.getDataDirectory()=:" + dataDir);        //:/cache 下载缓存内容目录        String cacheDir = Environment.getDownloadCacheDirectory().toString();        System.out.println("Environment.getDownloadCacheDirectory()=:" + cacheDir);        //:/mnt/sdcard或者/storage/emulated/0或者/storage/sdcard0 主要的外部存储目录

//这个不一定是外部存储        String storageDir = Environment.getExternalStorageDirectory().toString();        System.out.println("Environment.getExternalStorageDirectory()=:" + storageDir);        //:/mnt/sdcard/Pictures或者/storage/emulated/0/Pictures或者/storage/sdcard0/Pictures        String publicDir = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).toString();        System.out.println("Environment.getExternalStoragePublicDirectory()=:" + publicDir);        //获取SD卡是否存在:mounted        String storageState = Environment.getExternalStorageState().toLowerCase();        System.out.println("Environment.getExternalStorageState()=:" + storageState);        //设备的外存是否是用内存模拟的，是则返回true。(API Level 11)        boolean isEmulated = Environment.isExternalStorageEmulated();        System.out.println("Environment.isExternalStorageEmulated()=:" + isEmulated);        //设备的外存是否是可以拆卸的，比如SD卡，是则返回true。(API Level 9)        boolean isRemovable = Environment.isExternalStorageRemovable();        System.out.println("Environment.isExternalStorageRemovable()=:" + isRemovable);    }    public static void getApplicationDirectories(Context context) {        //获取当前程序路径 应用在内存上的目录 :/data/data/com.mufeng.toolproject/files        String filesDir = context.getFilesDir().toString();        System.out.println("context.getFilesDir()=:" + filesDir);        //应用的在内存上的缓存目录 :/data/data/com.mufeng.toolproject/cache        String cacheDir = context.getCacheDir().toString();        System.out.println("context.getCacheDir()=:" + cacheDir);        //应用在外部存储上的目录 :/storage/emulated/0/Android/data/com.mufeng.toolproject/files/Movies        String externalFilesDir = context.getExternalFilesDir(Environment.DIRECTORY_MOVIES).toString();        System.out.println("context.getExternalFilesDir()=:" + externalFilesDir);        //应用的在外部存储上的缓存目录 :/storage/emulated/0/Android/data/com.mufeng.toolproject/cache        String externalCacheDir = context.getExternalCacheDir().toString();        System.out.println("context.getExternalCacheDir()=:" + externalCacheDir);        //获取该程序的安装包路径 :/data/app/com.mufeng.toolproject-3.apk        String packageResourcePath = context.getPackageResourcePath();        System.out.println("context.getPackageResourcePath()=:" + packageResourcePath);        //获取程序默认数据库路径 :/data/data/com.mufeng.toolproject/databases/mufeng        String databasePat = context.getDatabasePath("mufeng").toString();        System.out.println("context.getDatabasePath(\"mufeng\")=:" + databasePat);    }}

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