src/android/app/src/main/java/org/citra/citra_emu/activities/CustomFilePickerActivity.java


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package org.citra.citra_emu.activities;

import android.content.Intent;
import android.os.Environment;

import androidx.annotation.Nullable;

import com.nononsenseapps.filepicker.AbstractFilePickerFragment;
import com.nononsenseapps.filepicker.FilePickerActivity;

import org.citra.citra_emu.fragments.CustomFilePickerFragment;

import java.io.File;

public class CustomFilePickerActivity extends FilePickerActivity {
    public static final String EXTRA_TITLE = "filepicker.intent.TITLE";
    public static final String EXTRA_EXTENSIONS = "filepicker.intent.EXTENSIONS";

    @Override
    protected AbstractFilePickerFragment<File> getFragment(
            @Nullable final String startPath, final int mode, final boolean allowMultiple,
            final boolean allowCreateDir, final boolean allowExistingFile,
            final boolean singleClick) {
        CustomFilePickerFragment fragment = new CustomFilePickerFragment();
        // startPath is allowed to be null. In that case, default folder should be SD-card and not "/"
        fragment.setArgs(
                startPath != null ? startPath : Environment.getExternalStorageDirectory().getPath(),
                mode, allowMultiple, allowCreateDir, allowExistingFile, singleClick);

        Intent intent = getIntent();
        int title = intent == null ? 0 : intent.getIntExtra(EXTRA_TITLE, 0);
        fragment.setTitle(title);
        String allowedExtensions = intent == null ? "*" : intent.getStringExtra(EXTRA_EXTENSIONS);
        fragment.setAllowedExtensions(allowedExtensions);

        return fragment;
    }
}