Here is the full project to access media files from shared storage
MainActivity.java
package tech.softbinarycrunch.realvideoeditor;
import static android.os.Environment.DIRECTORY_DCIM;
import static android.os.Environment.DIRECTORY_DOWNLOADS;
import static android.os.Environment.DIRECTORY_MUSIC;
import static android.os.Environment.MEDIA_MOUNTED_READ_ONLY;
import android.Manifest;
import android.app.Activity;
import android.content.ContentUris;
import android.content.Intent;
import android.database.Cursor;
import android.net.Uri;
import android.os.Build;
import android.os.Build.VERSION;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.provider.MediaStore;
import android.provider.OpenableColumns;
import android.view.View;
import android.webkit.MimeTypeMap;
import android.widget.Button;
import android.widget.RelativeLayout;
import android.widget.Toast;
import androidx.activity.result.ActivityResult;
import androidx.activity.result.ActivityResultCallback;
import androidx.activity.result.ActivityResultLauncher;
import androidx.activity.result.contract.ActivityResultContracts;
import androidx.appcompat.app.AppCompatActivity;
import androidx.navigation.ui.AppBarConfiguration;
import com.karumi.dexter.Dexter;
import com.karumi.dexter.MultiplePermissionsReport;
import com.karumi.dexter.PermissionToken;
import com.karumi.dexter.listener.DexterError;
import com.karumi.dexter.listener.PermissionRequest;
import com.karumi.dexter.listener.PermissionRequestErrorListener;
import com.karumi.dexter.listener.multi.MultiplePermissionsListener;
import java.io.File;
import java.util.ArrayList;
import java.util.List;
import java.util.concurrent.TimeUnit;
import tech.softbinarycrunch.realvideoeditor.databinding.ActivityMainBinding;
public class MainActivity extends AppCompatActivity {
public static final int REQUEST_CODE = 1;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
RelativeLayout rl=new RelativeLayout(getApplicationContext());
RelativeLayout.LayoutParams rlp=new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.MATCH_PARENT,RelativeLayout.LayoutParams.MATCH_PARENT);
rl.setLayoutParams(rlp);
setContentView(rl);
Button bt=new Button(getApplicationContext());
bt.setText("Choose video");
RelativeLayout.LayoutParams rlpbtn=new RelativeLayout.LayoutParams(RelativeLayout.LayoutParams.WRAP_CONTENT,RelativeLayout.LayoutParams.WRAP_CONTENT);
rlpbtn.addRule(RelativeLayout.CENTER_IN_PARENT);
bt.setLayoutParams(rlpbtn);
rl.addView(bt);
listener(bt);
requestMultiplePermissions();
}
private void requestMultiplePermissions(){
Dexter.withActivity(this)
.withPermissions(
Manifest.permission.WRITE_EXTERNAL_STORAGE,
Manifest.permission.READ_EXTERNAL_STORAGE)
.withListener(new MultiplePermissionsListener() {
@Override
public void onPermissionsChecked(MultiplePermissionsReport report) {
if (report.areAllPermissionsGranted()) {
Toast.makeText(getApplicationContext(), "All permissions are granted by user!", Toast.LENGTH_SHORT).show();
}
if (report.isAnyPermissionPermanentlyDenied()) {
}
}
@Override
public void onPermissionRationaleShouldBeShown(List<PermissionRequest> permissions, PermissionToken token) {
token.continuePermissionRequest();
}
}).
withErrorListener(new PermissionRequestErrorListener() {
@Override
public void onError(DexterError error) {
Toast.makeText(getApplicationContext(), "Some Error! ", Toast.LENGTH_SHORT).show();
}
})
.onSameThread()
.check();
}
private void message(String s){
new Handler(getApplicationContext().getMainLooper()).post(new Runnable() {
@Override
public void run() {
Toast.makeText(getApplicationContext(),s,Toast.LENGTH_LONG).show();
}
});
}
private void filepicker(){
Uri selectedUri = Uri.parse(Environment.getExternalStorageDirectory() + File.separator + DIRECTORY_DOWNLOADS + File.separator);
System.out.println("working"+selectedUri.getPath());
Intent intent = new Intent(Intent.ACTION_GET_CONTENT);
//intent.setType("video/* image/*");
intent.setDataAndType(selectedUri, "video/* image/*");
if (intent.resolveActivityInfo(getPackageManager(), 0) != null)
{
mStartForResult.launch(intent);
}
else
{
message("Not working");
}
}
ActivityResultLauncher<Intent> mStartForResult = registerForActivityResult(new ActivityResultContracts.StartActivityForResult(),
new ActivityResultCallback<ActivityResult>() {
@Override
public void onActivityResult(ActivityResult result) {
if (result.getResultCode() == Activity.RESULT_OK) {
Intent intent = result.getData();
message("working");
}
}
});
private String extension(File file){
return MimeTypeMap.getFileExtensionFromUrl(file.toString());
}
private void musiclist(){
}
private void listoffile(){
// videoinfo();
image();
String path = Environment.getExternalStorageDirectory().toString() ;
File directory = new File(path);
File[] files = directory.listFiles();
String ex;
for (int i = 0; i < files.length; i++)
{
File[] files1;
File dir2=new File(files[i].getAbsolutePath());
if(dir2.exists()) {
files1 = dir2.listFiles();
}
else{
continue;
}
if(files1==null){
continue;
}
for(int j=0;j<files1.length;j++){
Uri file = Uri.fromFile(new File(files1[j].getAbsolutePath()));
ex=extension(files1[j]);
/* if(ex.equals("png") || ex.equals("jpg") || ex.equals("jpeg")
|| ex.equals("gif")){
System.out.println("file names are"+files1[j].getName());
}*/
if(ex.equals("mp4") || ex.equals("MOV") || ex.equals("WMV")
|| ex.equals("AVI") || ex.equals("MKV") || ex.equals("MPEG-2")
|| ex.equals("WEBM ") || ex.equals("HTML5")){
System.out.println("file names are"+files1[j].getName());
}
}
}
}
private void listener(Button bt){
bt.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View view) {
listoffile();
}
});
}
class Video {
private final Uri uri;
private final String name;
private final int duration;
private final int size;
public Video(Uri uri, String name, int duration, int size) {
this.uri = uri;
this.name = name;
this.duration = duration;
this.size = size;
}
}
/* private void videoinfo(){
List<Video> videoList = new ArrayList<Video>();
Uri collection;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
collection = MediaStore.Video.Media.getContentUri(MediaStore.VOLUME_EXTERNAL);
} else {
collection = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
}
String[] projection = new String[] {
MediaStore.Video.Media._ID,
MediaStore.Video.Media.DISPLAY_NAME,
MediaStore.Video.Media.DURATION,
MediaStore.Video.Media.SIZE
};
String selection = MediaStore.Video.Media.DURATION +
" >= ?";
String[] selectionArgs = new String[] {
String.valueOf(TimeUnit.MILLISECONDS.convert(5, TimeUnit.MINUTES))
};
String sortOrder = MediaStore.Video.Media.DISPLAY_NAME + " ASC";
try (Cursor cursor = getApplicationContext().getContentResolver().query(
collection,
projection,
null,
null,
sortOrder
)) {
int idColumn = cursor.getColumnIndexOrThrow(MediaStore.Video.Media._ID);
int nameColumn =
cursor.getColumnIndexOrThrow(MediaStore.Video.Media.DISPLAY_NAME);
int durationColumn =
cursor.getColumnIndexOrThrow(MediaStore.Video.Media.DURATION);
int sizeColumn = cursor.getColumnIndexOrThrow(MediaStore.Video.Media.SIZE);
while (cursor.moveToNext()) {
long id = cursor.getLong(idColumn);
String name = cursor.getString(nameColumn);
int duration = cursor.getInt(durationColumn);
int size = cursor.getInt(sizeColumn);
Uri contentUri = ContentUris.withAppendedId(
MediaStore.Video.Media.EXTERNAL_CONTENT_URI, id);
videoList.add(new Video(contentUri, name, duration, size));
}
System.out.println("datasize"+videoList.size());
}
}*/
private void video2(){
Uri collection;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
collection = MediaStore.Video.Media.getContentUri(MediaStore.VOLUME_EXTERNAL);
} else {
collection = MediaStore.Video.Media.EXTERNAL_CONTENT_URI;
}
String[] projection = new String[] {
MediaStore.Video.Media._ID,
MediaStore.Video.Media.DISPLAY_NAME,
MediaStore.Video.Media.DURATION,
MediaStore.Video.Media.SIZE
};
String sortOrder = MediaStore.Video.Media.DISPLAY_NAME + " ASC";;
try (Cursor cursor = getApplicationContext().getContentResolver().query(
collection,
projection,
null,
null,
sortOrder
)){
int idColumn = cursor.getColumnIndexOrThrow(MediaStore.Video.Media._ID);
int nameColumn =
cursor.getColumnIndexOrThrow(MediaStore.Video.Media.DISPLAY_NAME);
int durationColumn =
cursor.getColumnIndexOrThrow(MediaStore.Video.Media.DURATION);
int sizeColumn = cursor.getColumnIndexOrThrow(MediaStore.Video.Media.SIZE);
while ((cursor.moveToNext())){
String path = cursor.getString(cursor.getColumnIndex(MediaStore.Video.Media.ARTIST));
System.out.println("data"+path);
}
}
}
private void image(){
Uri collection;
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
collection = MediaStore.Images.Media.getContentUri(MediaStore.VOLUME_EXTERNAL);
} else {
collection = MediaStore.Images.Media.EXTERNAL_CONTENT_URI;
}
String[] projection = new String[] {
MediaStore.Images.Media.DATA,
MediaStore.Images.Media.DATE_ADDED,
MediaStore.Images.Media.BUCKET_ID,
MediaStore.Images.Media.BUCKET_DISPLAY_NAME
};
String sortOrder = MediaStore.Images.Media.DISPLAY_NAME + " ASC";
try (Cursor cursor = getApplicationContext().getContentResolver().query(
collection,
projection,
null,
null,
sortOrder
)){
while ((cursor.moveToNext())){
String path = cursor.getString(cursor.getColumnIndex(MediaStore.Images.Media.DATA));
System.out.println("data"+path);
}
}
}
}