Question 128819 in Android Studio Question posted in
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Android Studio – How to delete music files with their path android 11 – java

So I have a music player app. In which I want the user should be able to delete the music files which are not created by my app. I have the file path and I tried Using File.delete() but it always returns false. How can I delete the music files using their path. Please can someone help.
Path I am getting using File.getPath – /storage/emulated/0/Samsung/Music/Over_the_horizon.mp3

My AndroidManifest.xml

<manifest xmlns:android="http://schemas.android.com/apk/res/android"
    package="com.naman.musicplayer">

    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" />
    <uses-permission android:name="android.permission.RECORD_AUDIO" />
    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>
    <uses-permission android:name="android.permission.MANAGE_EXTERNAL_STORAGE"/>

    <application
        android:allowBackup="true"
        android:icon="@mipmap/ic_launcher"
        android:label="@string/app_name"
        android:roundIcon="@mipmap/ic_launcher_round"
        android:supportsRtl="true"
        android:theme="@style/Theme.MusicPlayer">
        <activity
            android:name=".PlaySong"
            android:exported="true" />
        <activity
            android:name=".MainActivity"
            android:exported="true">
            <intent-filter>
                <action android:name="android.intent.action.MAIN" />

                <category android:name="android.intent.category.LAUNCHER" />
            </intent-filter>
        </activity>
    </application>

</manifest>

**Code I am using to delete the music**

     ``` @Override
    public boolean onItemLongClick(AdapterView<?> adapterView, View view, int i, long l) {
              File file = files.get(i);
    //files = new ArrayList<File>();
               boolean deleted = file.delete();
               return deleted;
                        }```
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2

Answers


  1. 0

    /storage/emulated/0/Samsung/Music/Over_the_horizon.mp3

    That is a file not created by your app.

    On an Android 11 device you cannot read/write/delete such a file with classic file system tools as your app is not the owner.

    File.canRead() and File.canWrite() would tell you that.

    To delete the file use ACTION_OPEN_DOCUMENT to let the user pick the file first.

    Another possibility is to get the mediastore uri for that file and then use MediaStore.createDeleteRequest() for the delete.

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  2. 0

    try this :

    File file = new File(path);

if (!file.exists()) return;

if (file.isFile()) {
file.delete();
return;
}

File[] fileArr = file.listFiles();

if (fileArr != null) {
for (File subFile : fileArr) {
if (subFile.isDirectory()) {
deleteFile(subFile.getAbsolutePath());
}

if (subFile.isFile()) {
subFile.delete();
}
}
}

file.delete();

    path is a String

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