import android.content.Context;
import android.os.Environment;
import android.util.Log;
public class DirectoryUtils {
private static final String TAG = "DirectoryUtils";
public static void getEnvironmentDirectories() {
//:/system
Log.i(TAG, "Environment.getRootDirectory==" +
Environment.getRootDirectory().toString());
//:/data 用户数据目录
Log.i(TAG, "Environment.getDataDirectory==" +
Environment.getDataDirectory().toString());
//:/cache 下载缓存内容目录
Log.i(TAG, "Environment.getDownloadCacheDirectory==" +
Environment.getDownloadCacheDirectory().toString());
//:/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
Log.i(TAG, "Environment.getExternalStorageDirectory==" +
Environment.getExternalStorageDirectory().toString());
//:/mnt/sdcard/Pictures或者/storage/emulated/0/Pictures或者/storage/sdcard0/Pictures
Log.i(TAG, "Environment.getExternalStoragePublicDirectory==" +
Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_PICTURES).toString());
//获取SD卡是否存在:mounted
Log.i(TAG, "Environment.getExternalStorageState==" +
Environment.getExternalStorageState().toLowerCase());
//设备的外存是否是用内存模拟的,是则返回true。(API Level 11)
Log.i(TAG, "Environment.isExternalStorageEmulated==" +
Environment.isExternalStorageEmulated());
//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)
Log.i(TAG, "Environment.isExternalStorageRemovable==" +
Environment.isExternalStorageRemovable());
}
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.example.demo/files
Log.i(TAG, "context.getFilesDir==" +
context.getFilesDir().toString());
//应用的在内存上的缓存目录 :/data/data/com.example.demo/cache
Log.i(TAG, "context.getCacheDir==" +
context.getCacheDir().toString());
//应用在外部存储上的目录 :/storage/emulated/0/Android/data/com.example.demo/files/Movies
Log.i(TAG, "context.getExternalFilesDir==" +
context.getExternalFilesDir(Environment.DIRECTORY_MOVIES).toString());
//应用的在外部存储上的缓存目录 :/storage/emulated/0/Android/data/com.example.demo/cache
Log.i(TAG, "context.getExternalCacheDir==" +
context.getExternalCacheDir().toString());
//获取该程序的安装包路径 :/data/app/com.example.zhaohw.demo-1/base.apk
Log.i(TAG, "context.getPackageResourcePath==" +
context.getPackageResourcePath());
//获取程序默认数据库路径 :/data/data/com.example.demo/databases/mufeng
Log.i(TAG, "context.getDatabasePath(\"zhaohw\")==" +
context.getDatabasePath("zhaohw").toString());
}
}
Android 外部存储,内部存储路径
猜你喜欢
转载自blog.csdn.net/qq_23843705/article/details/81174951
今日推荐
周排行