Example usage for android.widget ArrayAdapter sort

Introduction

In this page you can find the example usage for android.widget ArrayAdapter sort.

Prototype

public void sort(@NonNull Comparator<? super T> comparator) 

Source Link

Document

Sorts the content of this adapter using the specified comparator.

Usage

From source file:com.urbantamil.projmadurai.TamilInfoFragment.java

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    ArrayAdapter<String> adapter_tamil_strings;

    //  Inflate the layout for this fragment
    final View tamilinfo = inflater.inflate(R.layout.fragment_tamil_info, container, false);
    final ListView lv_tamilinfo = (ListView) tamilinfo.findViewById(R.id.listview_tamil_info_sort);
    adapter_tamil_strings = new ArrayAdapter<String>(tamilinfo.getContext(),
            android.R.layout.simple_list_item_1, mAUTHOR);
    lv_tamilinfo.setAdapter(adapter_tamil_strings);

    // use toggle button to flip the genre/author info
    // then sort the data
    final Button btn_tamilinfo = (Button) tamilinfo.findViewById(R.id.button_tamil_info_sort);
    final ToggleButton toggle_btn = (ToggleButton) tamilinfo.findViewById(R.id.toggle_tamil_info_category);
    toggle_btn.setOnClickListener(new View.OnClickListener() {
        @Override/*from   w w w  . ja  v  a 2 s . c om*/
        public void onClick(View v) {
            List<String> ref_array = toggle_btn.isChecked() ? mGENRE : mAUTHOR;
            lv_tamilinfo.setAdapter(new ArrayAdapter<String>(tamilinfo.getContext(),
                    android.R.layout.simple_list_item_1, ref_array));
            lv_tamilinfo.invalidate();
            lv_tamilinfo.setTag(ref_array);
        }
    });

    /// sorting activity
    btn_tamilinfo.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            List<String> ref_array = toggle_btn.isChecked() ? mGENRE : mAUTHOR;
            ArrayAdapter<String> adapter_str = new ArrayAdapter<String>(lv_tamilinfo.getContext(),
                    android.R.layout.simple_list_item_1, ref_array);
            adapter_str.sort(utf8.comparator);
            lv_tamilinfo.setAdapter(adapter_str);
            lv_tamilinfo.invalidate();
        }
    });

    return tamilinfo;
}

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From source file:com.theelix.libreexplorer.FileManagerActivity.java

/** This function reads the current Folder, and populates the ListView with the content of that folder */
public void refresh() {
    ((ViewGroup) findViewById(R.id.list_layout)).removeView(itemView);
    if (FileManager.getCurrentDirectory().getName().equals("")) {
        mActionBar.setTitle(getString(R.string.app_name));
    } else {//w ww.jav  a 2 s  .com
        mActionBar.setTitle(getString(R.string.app_name) + ": " + FileManager.getCurrentDirectory().getName());

    }
    boolean useGrid = PreferenceManager.getDefaultSharedPreferences(this).getBoolean("pref_layout_grid", false);
    int itemLayout;
    if (useGrid) {
        itemView = new GridView(this);
        itemLayout = R.layout.file_grid_element;
        ((GridView) itemView).setNumColumns(4);
        ((GridView) itemView).setHorizontalSpacing(0);

    } else {
        itemView = new ListView(this);
        itemLayout = R.layout.file_list_element;
    }
    boolean hideHiddenFiles = !PreferenceManager.getDefaultSharedPreferences(this)
            .getBoolean("pref_show_hidden_files", false);
    try {
        ArrayList<File> fileList = new ArrayList<>(
                Arrays.asList(FileManager.getCurrentDirectory().listFiles()));
        for (int i = 0; i < fileList.size(); i++) {
            if (fileList.get(i).isHidden() && hideHiddenFiles) {
                fileList.remove(fileList.get(i));
            }
        }
        ArrayAdapter<File> filelistAdapter = new FileListArrayAdapter(this, itemLayout, fileList);
        filelistAdapter.sort(new FileComparator());
        itemView.setChoiceMode(AbsListView.CHOICE_MODE_MULTIPLE_MODAL);
        ActionModeCallback callback = new ActionModeCallback();
        callback.setListView(itemView);
        callback.setContext(this);
        itemView.setMultiChoiceModeListener(callback);
        mDrawerLayout.closeDrawers();
        itemView.setOnItemClickListener(new AdapterView.OnItemClickListener() {
            @Override
            public void onItemClick(AdapterView<?> adapter, View view, int position, long id) {
                File file = (File) adapter.getItemAtPosition(position);
                if (file.isDirectory()) {
                    FileManager.setCurrentDirectory(file);
                } else {
                    FileManager.openFile(file);

                }
            }
        });

        itemView.setAdapter(filelistAdapter);
        itemView.setTextFilterEnabled(true);
        ((ViewGroup) findViewById(R.id.list_layout)).addView(itemView, new AbsListView.LayoutParams(
                AbsListView.LayoutParams.MATCH_PARENT, AbsListView.LayoutParams.MATCH_PARENT));
    } catch (NullPointerException e) {
        Toast.makeText(this, "Unable to Access File", Toast.LENGTH_LONG).show();
    }
    //Check if SDCard is mounted, if so shows External Storage on the Sidebar
    if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
        if (Environment.getExternalStorageState(new File(System.getenv("SECONDARY_STORAGE")))
                .equals(Environment.MEDIA_MOUNTED)) {
            findViewById(R.id.menu_external_storage).setVisibility(View.VISIBLE);
        } else {
            findViewById(R.id.menu_external_storage).setVisibility(View.GONE);
        }
    } else {
        //Dirty method, but I think is the only option for devices before L
        if (new File(System.getenv("SECONDARY_STORAGE")).canRead()) {
            findViewById(R.id.menu_external_storage).setVisibility(View.VISIBLE);
        } else {
            findViewById(R.id.menu_external_storage).setVisibility(View.GONE);
        }
    }
}

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