/**

     * 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

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

//    Environment.getDataDirectory():      /data

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

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

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

//    getFileStreamPath:                    /data/data/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