在API29的時候就會提示API失效如下圖：Environment.getExternalStoragePublicDirectory

代替方法也很簡單，我們點進去看源碼就會看到注釋信息給我們的提示的替代方案：

然后我分別打印了下這些對應代碼的目錄如下圖：

總體目錄代表的是根目錄/Android/data/包名/file

上面目錄對應的代碼如下：

File externalFilesDir1 = getExternalFilesDir(Environment.DIRECTORY_ALARMS);File externalFilesDir2 = getExternalFilesDir(Environment.DIRECTORY_AUDIOBOOKS);File externalFilesDir3 = getExternalFilesDir(Environment.DIRECTORY_DCIM);File externalFilesDir4 = getExternalFilesDir(Environment.DIRECTORY_DOCUMENTS);File externalFilesDir5 = getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS);File externalFilesDir6 = getExternalFilesDir(Environment.DIRECTORY_MOVIES);File externalFilesDir7 = getExternalFilesDir(Environment.DIRECTORY_MUSIC);File externalFilesDir8 = getExternalFilesDir(Environment.DIRECTORY_NOTIFICATIONS);File externalFilesDir9 = getExternalFilesDir(Environment.DIRECTORY_PICTURES);File externalFilesDir10 = getExternalFilesDir(Environment.DIRECTORY_PODCASTS);File externalFilesDir11 = getExternalFilesDir(Environment.DIRECTORY_RINGTONES);File externalFilesDir12 = getExternalFilesDir(Environment.DIRECTORY_SCREENSHOTS);File externalFilesDir13 = getExternalFilesDir(Environment.DIRECTORY_RINGTONES);File externalFilesDir14 = getExternalFilesDir(Environment.MEDIA_BAD_REMOVAL);File externalFilesDir15 = getExternalFilesDir(Environment.MEDIA_CHECKING);File externalFilesDir16 = getExternalFilesDir(Environment.MEDIA_EJECTING);File externalFilesDir17 = getExternalFilesDir(Environment.MEDIA_MOUNTED);File externalFilesDir18 = getExternalFilesDir(Environment.MEDIA_MOUNTED_READ_ONLY);File externalFilesDir19 = getExternalFilesDir(Environment.MEDIA_NOFS);File externalFilesDir20 = getExternalFilesDir(Environment.MEDIA_REMOVED);File externalFilesDir21 = getExternalFilesDir(Environment.MEDIA_SHARED);File externalFilesDir22 = getExternalFilesDir(Environment.MEDIA_UNKNOWN);File externalFilesDir23 = getExternalFilesDir(Environment.MEDIA_UNMOUNTABLE);File externalFilesDir24 = getExternalFilesDir(Environment.MEDIA_UNMOUNTED);Log.e("打印路徑", externalFilesDir1.getAbsolutePath()+ "\n" + externalFilesDir1.getAbsolutePath()+ "\n" + externalFilesDir1.getAbsolutePath()+ "\n" + externalFilesDir2.getAbsolutePath()+ "\n" + externalFilesDir3.getAbsolutePath()+ "\n" + externalFilesDir4.getAbsolutePath()+ "\n" + externalFilesDir5.getAbsolutePath()+ "\n" + externalFilesDir6.getAbsolutePath()+ "\n" + externalFilesDir7.getAbsolutePath()+ "\n" + externalFilesDir8.getAbsolutePath()+ "\n" + externalFilesDir9.getAbsolutePath()+ "\n" + externalFilesDir10.getAbsolutePath()+ "\n" + externalFilesDir11.getAbsolutePath()+ "\n" + externalFilesDir12.getAbsolutePath()+ "\n" + externalFilesDir13.getAbsolutePath()+ "\n" + externalFilesDir14.getAbsolutePath()+ "\n" + externalFilesDir15.getAbsolutePath()+ "\n" + externalFilesDir16.getAbsolutePath()+ "\n" + externalFilesDir17.getAbsolutePath()+ "\n" + externalFilesDir18.getAbsolutePath()+ "\n" + externalFilesDir19.getAbsolutePath()+ "\n" + externalFilesDir20.getAbsolutePath()+ "\n" + externalFilesDir21.getAbsolutePath()+ "\n" + externalFilesDir22.getAbsolutePath()+ "\n" + externalFilesDir23.getAbsolutePath()+ "\n" + externalFilesDir24.getAbsolutePath());

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總結

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