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Code Releases Wiki Activity

parse music files

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This commit is contained in:
José Rebelo 2023-08-21 23:33:48 +01:00
parent 51f23a30ea
commit 6e125563db
2 changed files with 85 additions and 11 deletions
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62
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/activities/MusicFilesActivity.java
View File

@ -16,26 +16,30 @@
along with this program. If not, see <http://www.gnu.org/licenses/>. */
package nodomain.freeyourgadget.gadgetbridge.activities;
import android.app.Activity;
import android.content.Intent;
import android.content.res.AssetFileDescriptor;
import android.media.MediaMetadataRetriever;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.view.MenuItem;
import androidx.activity.result.ActivityResult;
import androidx.activity.result.ActivityResultCallback;
import androidx.activity.result.ActivityResultLauncher;
import androidx.activity.result.contract.ActivityResultContracts;
import com.google.android.material.floatingactionbutton.FloatingActionButton;
import org.json.JSONException;
import org.json.JSONObject;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import java.util.List;
import java.io.FileNotFoundException;
import java.io.IOException;
import java.io.InputStream;
import nodomain.freeyourgadget.gadgetbridge.R;
import nodomain.freeyourgadget.gadgetbridge.impl.GBDevice;
import nodomain.freeyourgadget.gadgetbridge.util.FileUtils;
public class MusicFilesActivity extends AbstractGBActivity {
private static final Logger LOG = LoggerFactory.getLogger(MusicFilesActivity.class);
@ -50,15 +54,53 @@ public class MusicFilesActivity extends AbstractGBActivity {
final ActivityResultLauncher<String> activityResultLauncher = this.registerForActivityResult(
new ActivityResultContracts.GetMultipleContents(),
urilist -> LOG.info("got {}", urilist)
urilist -> {
final MediaMetadataRetriever mediaMetadataRetriever = new MediaMetadataRetriever();
LOG.info("Got {}", urilist);
for (final Uri uri : urilist) {
mediaMetadataRetriever.setDataSource(MusicFilesActivity.this, uri);
final String title = mediaMetadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_TITLE);
final String artist = mediaMetadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_ARTIST);
final String album = mediaMetadataRetriever.extractMetadata(MediaMetadataRetriever.METADATA_KEY_ALBUM);
long fileSize;
try (AssetFileDescriptor fileDescriptor = getApplicationContext().getContentResolver().openAssetFileDescriptor(uri , "r")){
fileSize = fileDescriptor.getLength();
} catch (IOException e) {
throw new RuntimeException(e);
}
final JSONObject jsonObject = new JSONObject();
try {
jsonObject.put("title", title);
jsonObject.put("album", album);
jsonObject.put("artist", artist);
jsonObject.put("size", fileSize);
} catch (final JSONException e) {
throw new RuntimeException(e);
}
final String md5;
try (InputStream inputStream = getContentResolver().openInputStream(uri)) {
md5 = FileUtils.md5sum(inputStream);
} catch (final IOException e) {
throw new RuntimeException(e);
}
LOG.info("{}: {} {}", uri, md5, jsonObject);
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.Q) {
mediaMetadataRetriever.close();
}
}
);
final FloatingActionButton fab = findViewById(R.id.fab);
fab.setOnClickListener(v -> {
final Intent intent = new Intent();
intent.setType("audio/*");
intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);
intent.setAction(Intent.ACTION_GET_CONTENT);
activityResultLauncher.launch("audio/*");
});
}

34
app/src/main/java/nodomain/freeyourgadget/gadgetbridge/util/FileUtils.java
View File

@ -21,6 +21,7 @@ import android.content.ContentResolver;
import android.content.Context;
import android.net.Uri;
import android.os.Environment;
import android.util.Log;
import java.io.BufferedInputStream;
import java.io.BufferedOutputStream;
@ -34,12 +35,20 @@ import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.io.OutputStream;
import java.math.BigInteger;
import java.nio.channels.FileChannel;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Paths;
import java.security.MessageDigest;
import java.security.NoSuchAlgorithmException;
import java.util.ArrayList;
import java.util.List;
import java.util.Locale;
import androidx.annotation.NonNull;
import androidx.annotation.Nullable;
import nodomain.freeyourgadget.gadgetbridge.GBApplication;
import nodomain.freeyourgadget.gadgetbridge.GBEnvironment;
@ -349,4 +358,27 @@ public class FileUtils {
}
return extension;
}
}
@Nullable
public static String md5sum(final InputStream is) {
MessageDigest digest;
try {
digest = MessageDigest.getInstance("MD5");
} catch (final NoSuchAlgorithmException e) {
Log.e(TAG, "Failed to get MD5 digest instance", e);
return null;
}
try {
final byte[] buffer = new byte[8192];
int read;
while ((read = is.read(buffer)) > 0) {
digest.update(buffer, 0, read);
}
return String.format("%1$32s", GB.hexdump(digest.digest())).replace(' ', '0').toLowerCase(Locale.ROOT);
} catch (final IOException e) {
Log.e(TAG, "Error reading file", e);
return null;
}
}
}