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);


}
}