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Merge pull request #109 from XDagger/develop_ssyijiu
Update the wallet backup and restore
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94 changes: 94 additions & 0 deletions
94
app/src/main/java/io/xdag/xdagwallet/util/BackupUtils.java
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,94 @@ | ||
| package io.xdag.xdagwallet.util; | ||
|
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| import android.content.ContentResolver; | ||
| import android.content.Context; | ||
| import android.net.Uri; | ||
|
|
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| import java.io.File; | ||
| import java.io.FileInputStream; | ||
| import java.io.FileOutputStream; | ||
| import java.io.InputStream; | ||
| import java.io.OutputStream; | ||
|
|
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| import io.xdag.common.tool.MLog; | ||
|
|
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| /** | ||
| * Created by ssyijiu on 2022/11/3. | ||
| */ | ||
| public class BackupUtils { | ||
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| public static boolean copyInternalFileToExternal(Context context, String srcPath, Uri externalUri) { | ||
| ContentResolver contentResolver = context.getContentResolver(); | ||
| InputStream inputStream = null; | ||
| OutputStream outputStream = null; | ||
| boolean result; | ||
| try { | ||
| outputStream = contentResolver.openOutputStream(externalUri); | ||
| File srcFile = new File(srcPath); | ||
| if (srcFile.exists()) { | ||
| inputStream = new FileInputStream(srcFile); | ||
|
|
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| int readCount; | ||
| byte[] buffer = new byte[1024]; | ||
| while ((readCount = inputStream.read(buffer)) != -1) { | ||
| outputStream.write(buffer, 0, readCount); | ||
| outputStream.flush(); | ||
| } | ||
| } | ||
| result = true; | ||
| } catch (Exception e) { | ||
| MLog.e("copy InternalFile To ExternalUri. e = " + e.toString()); | ||
| result = false; | ||
| } finally { | ||
| try { | ||
| if (outputStream != null) { | ||
| outputStream.close(); | ||
| } | ||
| if (inputStream != null) { | ||
| inputStream.close(); | ||
| } | ||
| MLog.d("input stream and output stream close successful."); | ||
| } catch (Exception e) { | ||
| e.printStackTrace(); | ||
| MLog.e("input stream and output stream close fail. e = " + e.toString()); | ||
| } | ||
| } | ||
| return result; | ||
| } | ||
|
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| public static boolean copyFieUriToInnerStorage(Context context, Uri srcUri, File destFile) { | ||
| InputStream ins = null; | ||
| FileOutputStream fos = null; | ||
| boolean result; | ||
| try { | ||
| ins = context.getContentResolver().openInputStream(srcUri); | ||
| if (destFile.exists()) { | ||
| destFile.delete(); | ||
| } | ||
| fos = new FileOutputStream(destFile); | ||
| byte[] buffer = new byte[4096]; | ||
| int redCount; | ||
| while ((redCount = ins.read(buffer)) >= 0) { | ||
| fos.write(buffer, 0, redCount); | ||
| } | ||
| result = true; | ||
| } catch (Exception e) { | ||
| result = false; | ||
| MLog.e(" copy file uri to inner storage e = " + e.toString()); | ||
| } finally { | ||
| try { | ||
| if (fos != null) { | ||
| fos.flush(); | ||
| fos.getFD().sync(); | ||
| fos.close(); | ||
| } | ||
| if (ins != null) { | ||
| ins.close(); | ||
| } | ||
| } catch (Exception e) { | ||
| MLog.e(" close stream e = " + e.toString()); | ||
| } | ||
| } | ||
| return result; | ||
| } | ||
| } |
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