thoerup/rescansdcard/RescanMain.java

package dk.thoerup.rescansdcard;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.media.MediaScannerConnection;
import android.media.MediaScannerConnection.MediaScannerConnectionClient;
import android.net.Uri;
import android.os.AsyncTask;
import android.os.Bundle;
import android.os.Environment;
import android.os.Handler;
import android.os.Message;
import android.util.Log;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ProgressBar;
import android.widget.Spinner;
import android.widget.TextView;

public class RescanMain extends Activity {
        final static String TAG = "RescanSdcard";
        
        
        Button scanBtn;
        TextView totalTv;
        TextView processedTv;
        Spinner targetSpinner;
        
        ProgressBar progress;
        
        MediaScannerConnection scan;
        
        int total = 0;
        
        int processed = 0;
        
        
    /** Called when the activity is first created. */
    @Override
    public void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Log.i(TAG, "onCreate");

        setContentView(R.layout.main);
        scanBtn = (Button) findViewById(R.id.scan);
        scanBtn.setOnClickListener( new ScanListener() );
        
        totalTv = (TextView) findViewById(R.id.total);
        processedTv = (TextView) findViewById(R.id.processed);
        
        targetSpinner = (Spinner) findViewById(R.id.target);
        progress = (ProgressBar) findViewById(R.id.progress);
    
        
        checkSdCard();
        
        
    }
    
    void populateSpinner() {
        
    }

    boolean checkSdCard() {
                //check whether sdcard is mounted
                if ( ! Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED) ) {
                        AlertDialog.Builder b = new AlertDialog.Builder(this);
                        
                        b.setMessage("SD-card is not currently mounted");
                        b.setPositiveButton("ok", new DialogInterface.OnClickListener() {
                                @Override
                                public void onClick(DialogInterface dialog, int which) {
                                        RescanMain.this.finish();
                                }
                        });
                        b.show();
                        return false;
                } else {                        
                        return true;
                }
    }


        Handler updateHandler = new Handler() {
        @Override
        public void handleMessage(Message  msg) {
                super.handleMessage(msg);               
                
                totalTv.setText("" + total);
                processedTv.setText("" + processed);
                
                progress.setMax(total);
                progress.setProgress(processed);                
                
                        if (processed == total) {
                                scanBtn.setEnabled(true);
                                targetSpinner.setEnabled(true);
                        } else {
                                updateHandler.sendEmptyMessageDelayed(0, 500);
                        }
        }
    };
    
   
    void findFilesRecursive(String path, List<String> files) {
        Log.i(TAG, "scanRecursive " + path);
        
        File dir = new File(path);
        
        String entries[] = dir.list();
        
        File nomedia = new File(dir.getPath() + "/.nomedia" );
        if (nomedia.exists()) {
                Log.e(TAG, nomedia.getPath() + " exists, ignoring folder");
                return;
        }
        
        
        for (String entry : entries) {
                
                if (entry.charAt(0) == '.') {
                        Log.e(TAG, "ignore " + entry);
                        continue;
                }                               
                
                File current = new File(dir.getPath() + "/" + entry);                   
                //Log.v(TAG, current.getPath());
                
                
                if (current.isDirectory()) {
                        findFilesRecursive(current.getPath(), files);
                } else {
                        files.add(current.getPath());
                }
        }
    }
    
    class FileEnqueuer extends AsyncTask<Void, Void, Void> {

                @Override
                protected Void doInBackground(Void... arg0) {
                        
                        List<String> files = new ArrayList<String>();
                        
                        findFilesRecursive(Environment.getExternalStorageDirectory().getPath(), files);                 
                        
                        total = files.size();
                        updateHandler.sendEmptyMessage(0);
                        
                        for (String f : files) {
                                scan.scanFile(f, null);
                        }
                        
                        scan.disconnect();
                        scan = null;
                        
                        files.clear();
                        
                        return null;
                }
        
    }
    
    
    class ScanListener implements OnClickListener {
                @Override
                public void onClick(View arg0) {                        
                        if (checkSdCard() == true) {
                                total = 0;
                                processed = 0;
                                
                                scan = new MediaScannerConnection(RescanMain.this, new ScannerClient() );
                                scan.connect();
                                
                                scanBtn.setEnabled(false);
                                targetSpinner.setEnabled(false);
                        }
                }
    }    
    
        class ScannerClient implements MediaScannerConnectionClient {

                @Override
                public void onMediaScannerConnected() {
                        Log.i(TAG, "scannerConnected");
        
                        new FileEnqueuer().execute();
                }

                @Override
                public void onScanCompleted(String path, Uri uri) {
                        //Log.v(TAG, "scanCompleted " + path + "  " + uri);
                        processed++;
                }
        }
}
1	torben	784	package dk.thoerup.rescansdcard;
2
3			import java.io.File;
4			import java.util.ArrayList;
5			import java.util.List;
6
7			import android.app.Activity;
8			import android.app.AlertDialog;
9			import android.content.DialogInterface;
10			import android.media.MediaScannerConnection;
11			import android.media.MediaScannerConnection.MediaScannerConnectionClient;
12			import android.net.Uri;
13			import android.os.AsyncTask;
14			import android.os.Bundle;
15			import android.os.Environment;
16			import android.os.Handler;
17			import android.os.Message;
18			import android.util.Log;
19			import android.view.View;
20			import android.view.View.OnClickListener;
21			import android.widget.Button;
22			import android.widget.ProgressBar;
23			import android.widget.Spinner;
24			import android.widget.TextView;
25
26			public class RescanMain extends Activity {
27			final static String TAG = "RescanSdcard";
28
29
30			Button scanBtn;
31			TextView totalTv;
32			TextView processedTv;
33			Spinner targetSpinner;
34
35			ProgressBar progress;
36
37			MediaScannerConnection scan;
38
39			int total = 0;
40
41			int processed = 0;
42
43
44			/** Called when the activity is first created. */
45			@Override
46			public void onCreate(Bundle savedInstanceState) {
47			super.onCreate(savedInstanceState);
48			Log.i(TAG, "onCreate");
49
50			setContentView(R.layout.main);
51			scanBtn = (Button) findViewById(R.id.scan);
52			scanBtn.setOnClickListener( new ScanListener() );
53
54			totalTv = (TextView) findViewById(R.id.total);
55			processedTv = (TextView) findViewById(R.id.processed);
56
57			targetSpinner = (Spinner) findViewById(R.id.target);
58			progress = (ProgressBar) findViewById(R.id.progress);
59
60
61			checkSdCard();
62	torben	786
63
64	torben	784	}
65
66			void populateSpinner() {
67
68			}
69
70			boolean checkSdCard() {
71			//check whether sdcard is mounted
72			if ( ! Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED) ) {
73			AlertDialog.Builder b = new AlertDialog.Builder(this);
74
75			b.setMessage("SD-card is not currently mounted");
76			b.setPositiveButton("ok", new DialogInterface.OnClickListener() {
77			@Override
78			public void onClick(DialogInterface dialog, int which) {
79			RescanMain.this.finish();
80			}
81			});
82			b.show();
83			return false;
84			} else {
85			return true;
86			}
87			}
88
89
90			Handler updateHandler = new Handler() {
91			@Override
92			public void handleMessage(Message msg) {
93			super.handleMessage(msg);
94
95			totalTv.setText("" + total);
96			processedTv.setText("" + processed);
97
98			progress.setMax(total);
99			progress.setProgress(processed);
100
101			if (processed == total) {
102			scanBtn.setEnabled(true);
103			targetSpinner.setEnabled(true);
104	torben	786	} else {
105			updateHandler.sendEmptyMessageDelayed(0, 500);
106	torben	784	}
107			}
108			};
109
110
111			void findFilesRecursive(String path, List<String> files) {
112			Log.i(TAG, "scanRecursive " + path);
113
114			File dir = new File(path);
115
116			String entries[] = dir.list();
117
118			File nomedia = new File(dir.getPath() + "/.nomedia" );
119			if (nomedia.exists()) {
120			Log.e(TAG, nomedia.getPath() + " exists, ignoring folder");
121			return;
122			}
123
124
125			for (String entry : entries) {
126
127			if (entry.charAt(0) == '.') {
128			Log.e(TAG, "ignore " + entry);
129			continue;
130			}
131
132			File current = new File(dir.getPath() + "/" + entry);
133			//Log.v(TAG, current.getPath());
134
135
136			if (current.isDirectory()) {
137			findFilesRecursive(current.getPath(), files);
138			} else {
139			files.add(current.getPath());
140			}
141			}
142			}
143
144			class FileEnqueuer extends AsyncTask<Void, Void, Void> {
145
146			@Override
147			protected Void doInBackground(Void... arg0) {
148
149			List<String> files = new ArrayList<String>();
150
151			findFilesRecursive(Environment.getExternalStorageDirectory().getPath(), files);
152
153			total = files.size();
154	torben	786	updateHandler.sendEmptyMessage(0);
155
156	torben	784	for (String f : files) {
157			scan.scanFile(f, null);
158			}
159
160			scan.disconnect();
161			scan = null;
162
163			files.clear();
164
165			return null;
166			}
167
168			}
169
170
171			class ScanListener implements OnClickListener {
172			@Override
173			public void onClick(View arg0) {
174			if (checkSdCard() == true) {
175			total = 0;
176			processed = 0;
177
178			scan = new MediaScannerConnection(RescanMain.this, new ScannerClient() );
179			scan.connect();
180
181			scanBtn.setEnabled(false);
182			targetSpinner.setEnabled(false);
183			}
184			}
185			}
186
187			class ScannerClient implements MediaScannerConnectionClient {
188
189			@Override
190			public void onMediaScannerConnected() {
191			Log.i(TAG, "scannerConnected");
192
193			new FileEnqueuer().execute();
194			}
195
196			@Override
197			public void onScanCompleted(String path, Uri uri) {
198			//Log.v(TAG, "scanCompleted " + path + " " + uri);
199			processed++;
200			}
201			}
202			}