Android存储路径区别

/**

* 打印路径信息

*/

private void printPath() {

System.out.println("-------------------内部存储----------------------");

//主目录

String dataDirectory = Environment.getDataDirectory().getAbsolutePath();

System.out.println("Environment.getDataDirectory():"+dataDirectory);

String cacheDir = getCacheDir().getPath();

System.out.println("getCacheDir():"+cacheDir);

String filesDir = getFilesDir().getPath();

System.out.println("getFilesDir():"+filesDir);

String fileStreamPath = getFileStreamPath("").getPath();

System.out.println("getFileStreamPath:"+fileStreamPath);

String fileStreamPath2 = getFileStreamPath("test").getPath();

System.out.println("getFileStreamPath:"+fileStreamPath2);

System.out.println("-------------------外部存储----------------------");

String externalStorageDirectory = Environment.getExternalStorageDirectory().getPath();

System.out.println("getExternalStorageDirectory():"+externalStorageDirectory);

File externalCacheDir = getExternalCacheDir();

System.out.println("getExternalCacheDir():"+externalCacheDir);

File externalFilesDir = getExternalFilesDir("");

System.out.println("getExternalFilesDir():"+externalFilesDir);

File externalFilesDir2 = getExternalFilesDir("test");

System.out.println("getExternalFilesDir()2:"+externalFilesDir2);

File externalFilesDir3 = getExternalFilesDir(Environment.DIRECTORY_MUSIC);

System.out.println("getExternalFilesDir()3:"+externalFilesDir3);

File externalStoragePublicDirectory1 = Environment.getExternalStoragePublicDirectory("");

System.out.println("getExternalStoragePublicDirectory()1:"+externalStoragePublicDirectory1);

File externalStoragePublicDirectory2 = Environment.getExternalStoragePublicDirectory("test");

System.out.println("getExternalStoragePublicDirectory()2:"+externalStoragePublicDirectory2);

File externalStoragePublicDirectory3 = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_MUSIC);

System.out.println("getExternalStoragePublicDirectory()3:"+externalStoragePublicDirectory3);

}

// 华为P10 Android7.0

//-------------------内部存储----------------------

// Environment.getDataDirectory(): /data

// getCacheDir(): /data/user/0/com.cvsong.study.dagger2demo/cache

// getFilesDir(): /data/user/0/com.cvsong.study.dagger2demo/files

// getFileStreamPath: /data/user/0/com.cvsong.study.dagger2demo/files

// getFileStreamPath: /data/user/0/com.cvsong.study.dagger2demo/files/test

//-------------------外部存储----------------------

// getExternalStorageDirectory(): /storage/emulated/0

// getExternalCacheDir(): /storage/emulated/0/Android/data/com.cvsong.study.dagger2demo/cache

// getExternalFilesDir(): /storage/emulated/0/Android/data/com.cvsong.study.dagger2demo/files

// getExternalFilesDir()2: /storage/emulated/0/Android/data/com.cvsong.study.dagger2demo/files/test

// getExternalFilesDir()3: /storage/emulated/0/Android/data/com.cvsong.study.dagger2demo/files/Music

// getExternalStoragePublicDirectory()1: /storage/emulated/0

// getExternalStoragePublicDirectory()2: /storage/emulated/0/test

// getExternalStoragePublicDirectory()3: /storage/emulated/0/Music

// 华为畅享5 Android5.1