thoerup/rescansdcard/RescanMain.java

/*  
 * this is a inefficient and ugly hack - the correct way is to send a ACTION_MEDIA_MOUNTED broadcast 
 */

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.KeyEvent;
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;

@Deprecated
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;
        
        boolean isScanning = false;
        
        
    /** 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();
        
        
    }
    
    
    @Override
        public boolean onKeyDown(int keyCode, KeyEvent event) {
                if (keyCode == KeyEvent.KEYCODE_BACK) {
                        if (isScanning == true) { //scanning scanning
                                return true; //do nothing and claim event to be handled
                        }
                }
                
                return super.onKeyDown(keyCode, event);
        }


        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) {
                                isScanning = false;
                                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;
                                isScanning = true;
                                
                                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	789	/*
2			* this is a inefficient and ugly hack - the correct way is to send a ACTION_MEDIA_MOUNTED broadcast
3			*/
4
5	torben	784	package dk.thoerup.rescansdcard;
6
7			import java.io.File;
8			import java.util.ArrayList;
9			import java.util.List;
10
11			import android.app.Activity;
12			import android.app.AlertDialog;
13			import android.content.DialogInterface;
14			import android.media.MediaScannerConnection;
15			import android.media.MediaScannerConnection.MediaScannerConnectionClient;
16			import android.net.Uri;
17			import android.os.AsyncTask;
18			import android.os.Bundle;
19			import android.os.Environment;
20			import android.os.Handler;
21			import android.os.Message;
22			import android.util.Log;
23	torben	787	import android.view.KeyEvent;
24	torben	784	import android.view.View;
25			import android.view.View.OnClickListener;
26			import android.widget.Button;
27			import android.widget.ProgressBar;
28			import android.widget.Spinner;
29			import android.widget.TextView;
30
31	torben	789	@Deprecated
32	torben	784	public class RescanMain extends Activity {
33			final static String TAG = "RescanSdcard";
34
35
36			Button scanBtn;
37			TextView totalTv;
38			TextView processedTv;
39			Spinner targetSpinner;
40
41			ProgressBar progress;
42
43			MediaScannerConnection scan;
44
45			int total = 0;
46
47			int processed = 0;
48
49	torben	787	boolean isScanning = false;
50	torben	784
51	torben	787
52	torben	784	/** Called when the activity is first created. */
53			@Override
54			public void onCreate(Bundle savedInstanceState) {
55			super.onCreate(savedInstanceState);
56			Log.i(TAG, "onCreate");
57
58			setContentView(R.layout.main);
59			scanBtn = (Button) findViewById(R.id.scan);
60			scanBtn.setOnClickListener( new ScanListener() );
61
62			totalTv = (TextView) findViewById(R.id.total);
63			processedTv = (TextView) findViewById(R.id.processed);
64
65			targetSpinner = (Spinner) findViewById(R.id.target);
66			progress = (ProgressBar) findViewById(R.id.progress);
67
68
69			checkSdCard();
70	torben	786
71
72	torben	784	}
73
74	torben	787
75
76			@Override
77			public boolean onKeyDown(int keyCode, KeyEvent event) {
78			if (keyCode == KeyEvent.KEYCODE_BACK) {
79			if (isScanning == true) { //scanning scanning
80			return true; //do nothing and claim event to be handled
81			}
82			}
83
84			return super.onKeyDown(keyCode, event);
85			}
86
87
88
89			void populateSpinner() {
90	torben	784
91			}
92
93			boolean checkSdCard() {
94			//check whether sdcard is mounted
95			if ( ! Environment.getExternalStorageState().equals(Environment.MEDIA_MOUNTED) ) {
96			AlertDialog.Builder b = new AlertDialog.Builder(this);
97
98			b.setMessage("SD-card is not currently mounted");
99			b.setPositiveButton("ok", new DialogInterface.OnClickListener() {
100			@Override
101			public void onClick(DialogInterface dialog, int which) {
102			RescanMain.this.finish();
103			}
104			});
105			b.show();
106			return false;
107			} else {
108			return true;
109			}
110			}
111
112
113			Handler updateHandler = new Handler() {
114			@Override
115			public void handleMessage(Message msg) {
116			super.handleMessage(msg);
117
118			totalTv.setText("" + total);
119			processedTv.setText("" + processed);
120
121			progress.setMax(total);
122			progress.setProgress(processed);
123
124			if (processed == total) {
125	torben	787	isScanning = false;
126	torben	784	scanBtn.setEnabled(true);
127			targetSpinner.setEnabled(true);
128	torben	786	} else {
129			updateHandler.sendEmptyMessageDelayed(0, 500);
130	torben	784	}
131			}
132			};
133
134
135			void findFilesRecursive(String path, List<String> files) {
136			Log.i(TAG, "scanRecursive " + path);
137
138			File dir = new File(path);
139
140			String entries[] = dir.list();
141
142			File nomedia = new File(dir.getPath() + "/.nomedia" );
143			if (nomedia.exists()) {
144			Log.e(TAG, nomedia.getPath() + " exists, ignoring folder");
145			return;
146			}
147
148
149			for (String entry : entries) {
150
151			if (entry.charAt(0) == '.') {
152			Log.e(TAG, "ignore " + entry);
153			continue;
154			}
155
156			File current = new File(dir.getPath() + "/" + entry);
157			//Log.v(TAG, current.getPath());
158
159
160			if (current.isDirectory()) {
161			findFilesRecursive(current.getPath(), files);
162			} else {
163			files.add(current.getPath());
164			}
165			}
166			}
167
168			class FileEnqueuer extends AsyncTask<Void, Void, Void> {
169
170			@Override
171			protected Void doInBackground(Void... arg0) {
172
173			List<String> files = new ArrayList<String>();
174
175			findFilesRecursive(Environment.getExternalStorageDirectory().getPath(), files);
176
177			total = files.size();
178	torben	786	updateHandler.sendEmptyMessage(0);
179
180	torben	784	for (String f : files) {
181			scan.scanFile(f, null);
182			}
183
184			scan.disconnect();
185			scan = null;
186
187			files.clear();
188
189			return null;
190			}
191
192			}
193
194
195			class ScanListener implements OnClickListener {
196			@Override
197			public void onClick(View arg0) {
198			if (checkSdCard() == true) {
199			total = 0;
200			processed = 0;
201	torben	787	isScanning = true;
202	torben	784
203			scan = new MediaScannerConnection(RescanMain.this, new ScannerClient() );
204			scan.connect();
205
206			scanBtn.setEnabled(false);
207			targetSpinner.setEnabled(false);
208			}
209			}
210			}
211
212			class ScannerClient implements MediaScannerConnectionClient {
213
214			@Override
215			public void onMediaScannerConnected() {
216			Log.i(TAG, "scannerConnected");
217
218			new FileEnqueuer().execute();
219			}
220
221			@Override
222			public void onScanCompleted(String path, Uri uri) {
223			//Log.v(TAG, "scanCompleted " + path + " " + uri);
224			processed++;
225			}
226			}
227			}