Examples with TileCache org.mapsforge.map.layer.cache.TileCache used on opensource projects

Example 1 with TileCache

use of org.mapsforge.map.layer.cache.TileCache in project satstat by mvglasow.

the class SettingsActivity method onPreferenceClick.

/**
 * @author k9mail, mvglasow
 */
@Override
public boolean onPreferenceClick(Preference preference) {
    if (preference == prefMapPath) {
        boolean success = false;
        int i = 0;
        do {
            String intentAction = PICK_DIRECTORY_INTENTS[i][0];
            String uriPrefix = PICK_DIRECTORY_INTENTS[i][1];
            Intent intent = new Intent(intentAction);
            if (uriPrefix != null)
                intent.setData(Uri.parse(uriPrefix + prefMapPathValue));
            try {
                startActivityForResult(intent, REQUEST_CODE_PICK_MAP_PATH);
                Log.i("SettingsActivity", String.format("Sending intent: %s", intentAction));
                success = true;
            } catch (ActivityNotFoundException e) {
                // Try the next intent in the list
                i++;
            }
        } while (!success && (i < PICK_DIRECTORY_INTENTS.length));
        if (!success) {
            // No app for folder browsing is installed, show a fallback dialog
            AlertDialog.Builder builder = new AlertDialog.Builder(this);
            builder.setTitle(getString(R.string.pref_map_path));
            LayoutInflater inflater = LayoutInflater.from(this);
            final View alertView = inflater.inflate(R.layout.alert_map_path, null);
            final EditText editPath = (EditText) alertView.findViewById(R.id.editPath);
            editPath.setText(prefMapPathValue);
            final ImageButton btnOiFilemanager = (ImageButton) alertView.findViewById(R.id.btn_oi_filemanager);
            btnOiFilemanager.setTag(Uri.parse("market://details?id=org.openintents.filemanager"));
            final ImageButton btnCmFilemanager = (ImageButton) alertView.findViewById(R.id.btn_cm_filemanager);
            btnCmFilemanager.setTag(Uri.parse("market://details?id=com.cyanogenmod.filemanager.ics"));
            final View.OnClickListener clickListener = new View.OnClickListener() {

                @Override
                public void onClick(View v) {
                    if (v.getTag() instanceof Uri)
                        startActivity(new Intent(Intent.ACTION_VIEW, (Uri) v.getTag()));
                }
            };
            builder.setView(alertView);
            btnOiFilemanager.setOnClickListener(clickListener);
            btnCmFilemanager.setOnClickListener(clickListener);
            builder.setPositiveButton(getString(R.string.action_ok), new DialogInterface.OnClickListener() {

                public void onClick(DialogInterface dialog, int whichButton) {
                    setMapPath(editPath.getText().toString());
                }
            });
            builder.setNegativeButton(getString(R.string.action_cancel), new DialogInterface.OnClickListener() {

                public void onClick(DialogInterface dialog, int whichButton) {
                // NOP
                }
            });
            builder.show();
            success = true;
        }
        return success;
    } else if (preference == prefMapDownload) {
        if (ContextCompat.checkSelfPermission(this, Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED)
            startActivity(new Intent(this, MapDownloadActivity.class));
        else
            ActivityCompat.requestPermissions(this, new String[] { Manifest.permission.WRITE_EXTERNAL_STORAGE }, Const.PERM_REQUEST_MAP_DOWNLOAD);
        return true;
    } else if (preference == prefMapPurge) {
        TileCache mapRendererTileCache = AndroidUtil.createExternalStorageTileCache(this, Const.TILE_CACHE_INTERNAL_RENDER_THEME, 0, 256, true);
        TileCache mapDownloadTileCache = AndroidUtil.createExternalStorageTileCache(this, Const.TILE_CACHE_OSM, 0, 256, true);
        mapRendererTileCache.purge();
        mapDownloadTileCache.purge();
        mapRendererTileCache.destroy();
        mapDownloadTileCache.destroy();
        /*
			 * This is a hack to have the map view (if it is active) redraw the map:
			 * Setting the preference to true causes the listener in MainView to fire.
			 * The listener will, in turn, determine if a map view is active and, if so,
			 * cause it to reload all tile layers, then reset the preference to false.
			 */
        SharedPreferences.Editor spEditor = mSharedPreferences.edit();
        spEditor.putBoolean(Const.KEY_PREF_MAP_PURGE, true);
        spEditor.commit();
        String message = getString(R.string.status_map_purged);
        Toast.makeText(this, message, Toast.LENGTH_SHORT).show();
        return true;
    } else
        return false;
}