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package eu.siacs.conversations.ui;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteException;
import android.os.Bundle;
import android.os.Environment;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;
import java.io.File;
import java.io.FileInputStream;
import java.io.FileOutputStream;
import java.io.IOException;
import java.io.InputStream;
import java.io.OutputStream;
import eu.siacs.conversations.R;
import eu.siacs.conversations.persistance.DatabaseBackend;
public class WelcomeActivity extends Activity {
@Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.welcome);
boolean dbExist = checkDatabase();
boolean backup_existing = false;
//check if there is a backed up database --
if (dbExist) {
//copy db from public storage to private storage
backup_existing = true;
} else {
//if copy fails, show dialog
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage(R.string.import_failed)
.setCancelable(false)
.setPositiveButton(R.string.create_account, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
Intent intent = new Intent(WelcomeActivity.this, MagicCreateActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
startActivity(intent);
}
})
.setNegativeButton(R.string.use_existing_accout, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
startActivity(new Intent(WelcomeActivity.this, EditAccountActivity.class));
}
});
AlertDialog alert = builder.create();
alert.show();
//throw new Error("Error copying database");
}
final Button ImportDatabase = (Button) findViewById(R.id.import_database);
final TextView ImportText = (TextView) findViewById(R.id.import_text);
if (backup_existing) {
ImportDatabase.setVisibility(View.VISIBLE);
ImportText.setVisibility(View.VISIBLE);
}
ImportDatabase.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
//ToDo add import DB from local storage to system storage and wait until copy is complete
try {
ImportDatabase();
} catch (IOException e) {
e.printStackTrace();
}
//ask user to uninstall old eu.siacs.conversations before restart
//restart app
Intent intent = getBaseContext().getPackageManager().getLaunchIntentForPackage(getBaseContext().getPackageName());
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
}
});
final Button createAccount = (Button) findViewById(R.id.create_account);
createAccount.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Intent intent = new Intent(WelcomeActivity.this, MagicCreateActivity.class);
intent.addFlags(Intent.FLAG_ACTIVITY_NO_ANIMATION);
startActivity(intent);
}
});
final Button useOwnProvider = (Button) findViewById(R.id.use_existing_account);
useOwnProvider.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
startActivity(new Intent(WelcomeActivity.this, EditAccountActivity.class));
}
});
}
private boolean checkDatabase() {
SQLiteDatabase checkDB = null;
String DB_PATH = Environment.getExternalStorageDirectory().getAbsolutePath() + "/Pix-Art Messenger/.Database/";
String DB_NAME = "Database.bak";
try {
String myPath = DB_PATH + DB_NAME;
checkDB = SQLiteDatabase.openDatabase(myPath, null, SQLiteDatabase.OPEN_READONLY);
} catch (SQLiteException e) {
//database does't exist yet.
}
if (checkDB != null) {
checkDB.close();
}
return checkDB != null ? true : false;
}
private void ImportDatabase() throws IOException {
// Set location for the db:
OutputStream myOutput = new FileOutputStream(this.getDatabasePath(DatabaseBackend.DATABASE_NAME));
// Set the folder on the SDcard
File directory = new File(Environment.getExternalStorageDirectory().getAbsolutePath() + "/Pix-Art Messenger/.Database/");
// Set the input file stream up:
InputStream myInput = new FileInputStream(directory.getPath() + "/Database.bak");
// Transfer bytes from the input file to the output file
byte[] buffer = new byte[1024];
int length;
while ((length = myInput.read(buffer)) > 0) {
myOutput.write(buffer, 0, length);
}
// Close and clear the streams
myOutput.flush();
myOutput.close();
myInput.close();
}
}
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