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package dk.thoerup.rescansdcard; |
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import java.io.File; |
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import java.util.ArrayList; |
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import java.util.List; |
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import android.app.Activity; |
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import android.app.AlertDialog; |
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import android.content.DialogInterface; |
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import android.media.MediaScannerConnection; |
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import android.media.MediaScannerConnection.MediaScannerConnectionClient; |
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import android.net.Uri; |
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import android.os.AsyncTask; |
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import android.os.Bundle; |
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import android.os.Environment; |
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import android.os.Handler; |
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import android.os.Message; |
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import android.util.Log; |
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import android.view.KeyEvent; |
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import android.view.View; |
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import android.view.View.OnClickListener; |
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import android.widget.Button; |
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import android.widget.ProgressBar; |
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import android.widget.Spinner; |
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import android.widget.TextView; |
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|
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public class RescanMain extends Activity { |
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final static String TAG = "RescanSdcard"; |
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Button scanBtn; |
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TextView totalTv; |
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TextView processedTv; |
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Spinner targetSpinner; |
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ProgressBar progress; |
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MediaScannerConnection scan; |
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int total = 0; |
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int processed = 0; |
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boolean isScanning = false; |
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/** Called when the activity is first created. */ |
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@Override |
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public void onCreate(Bundle savedInstanceState) { |
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super.onCreate(savedInstanceState); |
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Log.i(TAG, "onCreate"); |
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setContentView(R.layout.main); |
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scanBtn = (Button) findViewById(R.id.scan); |
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scanBtn.setOnClickListener( new ScanListener() ); |
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totalTv = (TextView) findViewById(R.id.total); |
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processedTv = (TextView) findViewById(R.id.processed); |
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targetSpinner = (Spinner) findViewById(R.id.target); |
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progress = (ProgressBar) findViewById(R.id.progress); |
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checkSdCard(); |
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} |
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@Override |
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public boolean onKeyDown(int keyCode, KeyEvent event) { |
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if (keyCode == KeyEvent.KEYCODE_BACK) { |
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if (isScanning == true) { //scanning scanning |
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return true; //do nothing and claim event to be handled |
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} |
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} |
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return super.onKeyDown(keyCode, event); |
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} |
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void populateSpinner() { |
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} |
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boolean checkSdCard() { |
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//check whether sdcard is mounted |
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if ( ! Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED) ) { |
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AlertDialog.Builder b = new AlertDialog.Builder(this); |
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b.setMessage("SD-card is not currently mounted"); |
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b.setPositiveButton("ok", new DialogInterface.OnClickListener() { |
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@Override |
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public void onClick(DialogInterface dialog, int which) { |
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RescanMain.this.finish(); |
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} |
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}); |
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b.show(); |
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return false; |
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} else { |
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return true; |
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} |
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} |
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Handler updateHandler = new Handler() { |
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@Override |
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public void handleMessage(Message msg) { |
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super.handleMessage(msg); |
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totalTv.setText("" + total); |
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processedTv.setText("" + processed); |
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progress.setMax(total); |
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progress.setProgress(processed); |
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if (processed == total) { |
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isScanning = false; |
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scanBtn.setEnabled(true); |
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targetSpinner.setEnabled(true); |
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} else { |
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updateHandler.sendEmptyMessageDelayed(0, 500); |
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} |
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} |
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}; |
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void findFilesRecursive(String path, List<String> files) { |
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Log.i(TAG, "scanRecursive " + path); |
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File dir = new File(path); |
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String entries[] = dir.list(); |
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File nomedia = new File(dir.getPath() + "/.nomedia" ); |
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if (nomedia.exists()) { |
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Log.e(TAG, nomedia.getPath() + " exists, ignoring folder"); |
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return; |
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} |
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for (String entry : entries) { |
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if (entry.charAt(0) == '.') { |
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Log.e(TAG, "ignore " + entry); |
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continue; |
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} |
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File current = new File(dir.getPath() + "/" + entry); |
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//Log.v(TAG, current.getPath()); |
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if (current.isDirectory()) { |
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findFilesRecursive(current.getPath(), files); |
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} else { |
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files.add(current.getPath()); |
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} |
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} |
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} |
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class FileEnqueuer extends AsyncTask<Void, Void, Void> { |
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@Override |
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protected Void doInBackground(Void... arg0) { |
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List<String> files = new ArrayList<String>(); |
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findFilesRecursive(Environment.getExternalStorageDirectory().getPath(), files); |
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total = files.size(); |
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updateHandler.sendEmptyMessage(0); |
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for (String f : files) { |
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scan.scanFile(f, null); |
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} |
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scan.disconnect(); |
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scan = null; |
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files.clear(); |
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return null; |
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} |
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} |
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class ScanListener implements OnClickListener { |
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@Override |
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public void onClick(View arg0) { |
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if (checkSdCard() == true) { |
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total = 0; |
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processed = 0; |
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isScanning = true; |
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scan = new MediaScannerConnection(RescanMain.this, new ScannerClient() ); |
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scan.connect(); |
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scanBtn.setEnabled(false); |
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targetSpinner.setEnabled(false); |
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} |
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} |
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} |
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class ScannerClient implements MediaScannerConnectionClient { |
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@Override |
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public void onMediaScannerConnected() { |
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Log.i(TAG, "scannerConnected"); |
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new FileEnqueuer().execute(); |
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} |
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@Override |
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public void onScanCompleted(String path, Uri uri) { |
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//Log.v(TAG, "scanCompleted " + path + " " + uri); |
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processed++; |
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} |
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} |
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} |