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Merged
knirirr merged 2 commits into from
Apr 14, 2026
Merged

Fix import in newer android versions. #40

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29b22d9
Fix import in newer android versions.
Valle-R Apr 9, 2026
1c832a7
Fix number in comments
Valle-R Apr 9, 2026
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254 changes: 71 additions & 183 deletions beecount/src/main/java/com/knirirr/beecount/WelcomeActivity.java
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Original file line number Diff line number Diff line change
@@ -1,20 +1,11 @@
package com.knirirr.beecount;

import android.Manifest;
import android.annotation.SuppressLint;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.SharedPreferences;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.app.AppCompatDelegate;

import android.preference.PreferenceManager;
import android.util.Log;
import android.view.Menu;
import android.view.MenuItem;
Expand All @@ -28,7 +19,12 @@
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;

import androidx.activity.result.ActivityResultLauncher;
import androidx.activity.result.contract.ActivityResultContracts;
import androidx.appcompat.app.AppCompatActivity;
import androidx.appcompat.app.AppCompatDelegate;
import sheetrock.panda.changelog.ChangeLog;


Expand All @@ -39,14 +35,6 @@ public class WelcomeActivity extends AppCompatActivity implements SharedPreferen
BeeCountApplication beeCount;
SharedPreferences prefs;
ChangeLog cl;
final private int REQUEST_CODE_ASK_PERMISSIONS = 123;

// import/export stuff
File infile;
File outfile;
boolean mExternalStorageAvailable = false;
boolean mExternalStorageWriteable = false;
String state = Environment.getExternalStorageState();
AlertDialog alert;

@Override
Expand Down Expand Up @@ -159,187 +147,87 @@ public void onSharedPreferenceChanged(SharedPreferences prefs, String key)
}

/*
* The three activities below are for exporting and importing the database. They've been put here because
* The two activities below are for exporting and importing the database. They've been put here because
* no database should be open at this point.
*/
private final ActivityResultLauncher<Intent> exportFileLauncher = registerForActivityResult(
new ActivityResultContracts.StartActivityForResult(),
result -> {
if (result.getResultCode() == RESULT_OK && result.getData() != null && result.getData().getData() != null) {
Uri uri = result.getData().getData();
File infile = getApplicationContext().getDatabasePath("beecount.db");

try (FileOutputStream out = (FileOutputStream) getContentResolver().openOutputStream(uri);
FileInputStream in = new FileInputStream(infile)) {
if (out == null) {
throw new IOException("OutputStream is null");
}


private static final int CREATE_FILE = 1;
byte[] buf = new byte[1024];
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
Toast.makeText(getApplicationContext(), getString(R.string.saveWin), Toast.LENGTH_LONG).show();
} catch (IOException e) {
Log.e(TAG, "Failed to export database: " + e);
Toast.makeText(getApplicationContext(), getString(R.string.saveFail), Toast.LENGTH_SHORT).show();
}
}
}
);

@SuppressLint("SdCardPath")
public void exportDb()
{
// if API level > 23
// Need to do this to write the database file.
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
{
int hasWriteStoragePermission = checkSelfPermission(Manifest.permission.WRITE_EXTERNAL_STORAGE);
if (hasWriteStoragePermission != PackageManager.PERMISSION_GRANTED)
{
requestPermissions(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, REQUEST_CODE_ASK_PERMISSIONS);
}
}
boolean mExternalStorageAvailable = false;
boolean mExternalStorageWriteable = false;
String state = Environment.getExternalStorageState();
File outfile = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS),"beecount.db");
File infile = getApplicationContext().getDatabasePath("beecount.db");

if (Environment.MEDIA_MOUNTED.equals(state))
{
// We can read and write the media
mExternalStorageAvailable = mExternalStorageWriteable = true;
}
else if (Environment.MEDIA_MOUNTED_READ_ONLY.equals(state))
{
// We can only read the media
mExternalStorageAvailable = true;
mExternalStorageWriteable = false;
}
else
{
// Something else is wrong. It may be one of many other states, but all we need
// to know is we can neither read nor write
mExternalStorageWriteable = false;
}

if ((mExternalStorageAvailable == false) || ( mExternalStorageWriteable == false))
{
Log.e(TAG,"No sdcard access");
Toast.makeText(this, getString(R.string.noCard), Toast.LENGTH_SHORT).show();
return;
}
else
{
// export the db
try
{
copy(infile, outfile);
Toast.makeText(this,getString(R.string.saveWin),Toast.LENGTH_LONG).show();
return;
}
catch (IOException e)
{
Log.e(TAG,"Failed to copy database: " + e.toString());
Toast.makeText(this,getString(R.string.saveFail),Toast.LENGTH_SHORT).show();
return;
}
}
/*
Intent intent = new Intent(Intent.ACTION_CREATE_DOCUMENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("application/octet-stream");
intent.putExtra(Intent.EXTRA_TITLE, "beecount.db");

// Optionally, specify a URI for the directory that should be opened in
// the system file picker when your app creates the document.
Uri uri = Uri.parse("file://" + getApplicationContext().getDatabasePath("beecount.db"));
Toast.makeText(this, "Trying to export..." + getApplicationContext().getDatabasePath("beecount.db") ,Toast.LENGTH_LONG).show();
intent.putExtra(Environment.DIRECTORY_DOWNLOADS, uri);

startActivityForResult(intent, CREATE_FILE);
*/

exportFileLauncher.launch(intent);
}

@SuppressLint("SdCardPath")
public void importDb()
{
// permission to read db
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M)
{
int hasReadStoragePermission = checkSelfPermission(Manifest.permission.READ_EXTERNAL_STORAGE);
if (hasReadStoragePermission != PackageManager.PERMISSION_GRANTED)
{
requestPermissions(new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, REQUEST_CODE_ASK_PERMISSIONS);
private final ActivityResultLauncher<Intent> importFileLauncher = registerForActivityResult(
new ActivityResultContracts.StartActivityForResult(),
result -> {
if (result.getResultCode() == RESULT_OK && result.getData() != null && result.getData().getData() != null) {
Uri uri = result.getData().getData();
File outfile = getApplicationContext().getDatabasePath("beecount.db");

AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(R.string.confirmImport).setCancelable(false)
.setPositiveButton(R.string.importButton, (dialog, id) -> {
try (InputStream in = getContentResolver().openInputStream(uri);
FileOutputStream out = new FileOutputStream(outfile)) {

if (in == null) {
throw new IOException("InputStream is null");
}

byte[] buf = new byte[1024];
int len;
while ((len = in.read(buf)) > 0) {
out.write(buf, 0, len);
}
Toast.makeText(getApplicationContext(), getString(R.string.importWin), Toast.LENGTH_SHORT).show();
} catch (IOException e) {
Log.e(TAG, "Failed to import database: " + e);
Toast.makeText(getApplicationContext(), getString(R.string.importFail), Toast.LENGTH_SHORT).show();
}
})
.setNegativeButton(R.string.importCancelButton, (dialog, id) -> dialog.cancel());
alert = builder.create();
alert.show();
}
}
infile = new File(Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS) + "/beecount.db");
File outfile = getApplicationContext().getDatabasePath("beecount.db");
String extStorage = Environment.getExternalStoragePublicDirectory(Environment.DIRECTORY_DOWNLOADS) + "/";
if(!(infile.exists()))
{
Toast.makeText(this,getString(R.string.noDb) + extStorage, Toast.LENGTH_LONG).show();
return;
}
);

// a confirm dialogue before anything else takes place
// http://developer.android.com/guide/topics/ui/dialogs.html#AlertDialog
// could make the dialog central in the popup - to do later
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setIcon(android.R.drawable.ic_dialog_alert);
builder.setMessage(R.string.confirmImport).setCancelable(false).setPositiveButton(R.string.importButton, new DialogInterface.OnClickListener()
{
public void onClick(DialogInterface dialog, int id)
{
// START
// replace this with another function rather than this lazy c&p
if (Environment.MEDIA_MOUNTED.equals(state))
{
// We can read and write the media
mExternalStorageAvailable = mExternalStorageWriteable = true;
} else if (Environment.MEDIA_MOUNTED_READ_ONLY.equals(state))
{
// We can only read the media
mExternalStorageAvailable = true;
mExternalStorageWriteable = false;
} else
{
// Something else is wrong. It may be one of many other states, but all we need
// to know is we can neither read nor write
mExternalStorageAvailable = mExternalStorageWriteable = false;
}


if ((mExternalStorageAvailable == false) || (mExternalStorageWriteable == false))
{
Log.e(TAG, "No sdcard access");
Toast.makeText(getApplicationContext(), getString(R.string.noCard), Toast.LENGTH_SHORT).show();
return;
} else
{
try
{
copy(infile, outfile);
Toast.makeText(getApplicationContext(), getString(R.string.importWin), Toast.LENGTH_SHORT).show();
} catch (IOException e)
{
Log.e(TAG, "Failed to import database");
Toast.makeText(getApplicationContext(), getString(R.string.importFail), Toast.LENGTH_SHORT).show();
return;
}
}

// END
}
}).setNegativeButton(R.string.importCancelButton, new DialogInterface.OnClickListener()
{
public void onClick(DialogInterface dialog, int id)
{
dialog.cancel();
}
});
alert = builder.create();
alert.show();
}

// http://stackoverflow.com/questions/9292954/how-to-make-a-copy-of-a-file-in-android
public void copy(File src, File dst) throws IOException
{
FileInputStream in = new FileInputStream(src);
FileOutputStream out = new FileOutputStream(dst);

// Transfer bytes from in to out
byte[] buf = new byte[1024];
int len;
while ((len = in.read(buf)) > 0)
{
out.write(buf, 0, len);
}
in.close();
out.close();
@SuppressLint("SdCardPath")
public void importDb() {
Intent intent = new Intent(Intent.ACTION_OPEN_DOCUMENT);
intent.addCategory(Intent.CATEGORY_OPENABLE);
intent.setType("application/octet-stream");
importFileLauncher.launch(intent);
}



}
4 changes: 2 additions & 2 deletions beecount/src/main/res/values-de/strings.xml
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Expand Up @@ -37,11 +37,11 @@
<!-- ListprojActivity -->
<string name="noCard">Die SD-Karte kann nicht verwendet werden!</string>
<string name="saveFail">Die Datenbank konnte nicht exportiert werden!</string>
<string name="saveWin">Die Datenbank wurde auf die SD-Karte exportiert.</string>
<string name="saveWin">Die Datenbank wurde in das gewählte Verzeichnis gespeichert.</string>
<string name="exportMenu">Export</string>
<string name="importMenu">Import</string>
<string name="importFail">Die Datenbank konnte nicht importiert werden!</string>
<string name="importWin">Die Datenbank wurde von der SD-Karte importiert.</string>
<string name="importWin">Die Datenbank wurde aus der gewählten Datei importiert.</string>
<string name="noDb">Bitte lege die \"beecount.db\" hier: </string>
<string name="importButton">Import</string>
<string name="importCancelButton">Abbrechen</string>
Expand Down
4 changes: 2 additions & 2 deletions beecount/src/main/res/values-fr/strings.xml
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Expand Up @@ -38,11 +38,11 @@
<!-- ListprojActivity -->
<string name="noCard">On n\'a pas pu accéder au dossier \'Téléchargements\'!</string>
<string name="saveFail">On n\'a pas pu exporter votre base de données!</string>
<string name="saveWin">Votre base de données a été exporté au dossier \'Téléchargements\'.</string>
<string name="saveWin">Votre base de données a été exportée dans le dossier selectionné.</string>
<string name="exportMenu">Exporter</string>
<string name="importMenu">Importer</string>
<string name="importFail">On n\'a pas pu importer votre base de données!</string>
<string name="importWin">Votre base de données a été importé du dossier \'Téléchargements\'.</string>
<string name="importWin">Votre base de données a été importé du dossier selectionné</string>
<string name="noDb">Veuillez mettre \'beecount.db\' ici: </string>
<string name="importButton">Importer</string>
<string name="importCancelButton">Annuler</string>
Expand Down
2 changes: 1 addition & 1 deletion beecount/src/main/res/values/strings.xml
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Original file line number Diff line number Diff line change
Expand Up @@ -38,7 +38,7 @@
<!-- ListprojActivity -->
<string name="noCard">Your sdcard could not be accessed!</string>
<string name="saveFail">Your database could not be exported! Have you created any projects?</string>
<string name="saveWin">Your database has been exported to the Downloads folder.</string>
<string name="saveWin">Your database has been exported to your selected folder.</string>
<string name="exportMenu">Export</string>
<string name="importMenu">Import</string>
<string name="importFail">Your database could not be imported!</string>
Expand Down