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71 changes: 71 additions & 0 deletions
71
app/src/main/java/com/seafile/seadroid2/util/DeviceIdManager.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,71 @@ | ||
| package com.seafile.seadroid2.util; | ||
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| import android.bluetooth.le.AdvertiseData; | ||
| import android.bluetooth.le.AdvertiseSettings; | ||
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| import com.blankj.utilcode.util.FileUtils; | ||
| import com.seafile.seadroid2.SeadroidApplication; | ||
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| import java.io.File; | ||
| import java.io.FilenameFilter; | ||
| import java.util.UUID; | ||
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| public class DeviceIdManager { | ||
| private static volatile DeviceIdManager mSingleton = null; | ||
| public static final String PREFIX = ".sd-"; | ||
| public final File LOCAL_FOLDER = SeadroidApplication.getAppContext().getExternalCacheDir(); | ||
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| private DeviceIdManager() { | ||
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| } | ||
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| public static DeviceIdManager getInstance() { | ||
| if (mSingleton == null) { | ||
| synchronized (DeviceIdManager.class) { | ||
| if (mSingleton == null) { | ||
| mSingleton = new DeviceIdManager(); | ||
| } | ||
| } | ||
| } | ||
| return mSingleton; | ||
| } | ||
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| public String getOrSet() { | ||
| File stFile = checkLocalDeviceIdFileExistsState(); | ||
| if (stFile != null) { | ||
| String name = stFile.getName().replace(PREFIX, ""); | ||
| return name.substring(0, 16); | ||
| } | ||
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| String uid = UUID.randomUUID().toString().replace("-", ""); | ||
| File file = new File(LOCAL_FOLDER.getAbsolutePath() + "/" + PREFIX + uid); | ||
| FileUtils.createOrExistsFile(file); | ||
| return uid.substring(0, 16); | ||
| } | ||
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| public File checkLocalDeviceIdFileExistsState() { | ||
| if (LOCAL_FOLDER == null) { | ||
| return null; | ||
| } | ||
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| File[] temp = LOCAL_FOLDER.listFiles(new FilenameFilter() { | ||
| @Override | ||
| public boolean accept(File dir, String name) { | ||
| return name.startsWith(PREFIX); | ||
| } | ||
| }); | ||
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| if (temp == null) { | ||
| return null; | ||
| } | ||
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| if (temp.length == 1) { | ||
| return temp[0]; | ||
| } | ||
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| for (File file : temp) { | ||
| file.delete(); | ||
| } | ||
| return null; | ||
| } | ||
| } |
54 changes: 54 additions & 0 deletions
54
app/src/main/java/com/seafile/seadroid2/util/FileExports.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,54 @@ | ||
| package com.seafile.seadroid2.util; | ||
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| import android.content.ContentResolver; | ||
| import android.content.ContentValues; | ||
| import android.net.Uri; | ||
| import android.os.Build; | ||
| import android.os.Environment; | ||
| import android.os.ParcelFileDescriptor; | ||
| import android.provider.MediaStore; | ||
| import android.support.annotation.RequiresApi; | ||
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| import com.blankj.utilcode.util.FileUtils; | ||
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| import java.io.File; | ||
| import java.io.FileInputStream; | ||
| import java.io.FileOutputStream; | ||
| import java.io.IOException; | ||
| import java.io.InputStream; | ||
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| public class FileExports { | ||
| @RequiresApi(api = Build.VERSION_CODES.Q) | ||
| public static void exportFileAndroid10AndAbove(String fileName, String mimeType, ContentResolver contentResolver, File file) throws IOException { | ||
| ContentValues cv = new ContentValues(); | ||
| cv.put(MediaStore.MediaColumns.DISPLAY_NAME, fileName); | ||
| cv.put(MediaStore.MediaColumns.MIME_TYPE, mimeType); | ||
| cv.put(MediaStore.MediaColumns.RELATIVE_PATH, Environment.DIRECTORY_DOWNLOADS); | ||
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| Uri uri = contentResolver.insert(MediaStore.Downloads.EXTERNAL_CONTENT_URI, cv); | ||
| if (uri != null) { | ||
| ParcelFileDescriptor descriptor = contentResolver.openFileDescriptor(uri, "w"); | ||
| if (descriptor != null) { | ||
| FileOutputStream fos = new FileOutputStream(descriptor.getFileDescriptor()); | ||
| FileInputStream fis = new FileInputStream(file); | ||
| copyStream(fis, fos); | ||
| } | ||
| } else { | ||
| File downloadFolder = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS); | ||
| // | ||
| File dest = new File(downloadFolder.getPath() + "/" + fileName); | ||
| if (!dest.exists()) { | ||
| FileUtils.copy(file, dest); | ||
| } | ||
| } | ||
| } | ||
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| private static void copyStream(InputStream inputStream, FileOutputStream outputStream) throws IOException { | ||
| byte[] buffer = new byte[1024]; | ||
| int len; | ||
| while ((len = inputStream.read(buffer)) != -1) { | ||
| outputStream.write(buffer, 0, len); | ||
| } | ||
| } | ||
|
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| } |