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package de.pixart.messenger.ui;
import android.Manifest;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.database.sqlite.SQLiteDatabase;
import android.database.sqlite.SQLiteException;
import android.net.Uri;
import android.os.Build;
import android.os.Bundle;
import android.os.Environment;
import android.util.Log;
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 java.util.List;
import de.pixart.messenger.Config;
import de.pixart.messenger.R;
import de.pixart.messenger.persistance.DatabaseBackend;
public class WelcomeActivity extends Activity {
private static final int REQUEST_READ_EXTERNAL_STORAGE = 0XD737;
boolean dbExist = false;
boolean backup_existing = false;
@Override
protected void onCreate(final Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.welcome);
//check if there is a backed up database --
if (hasStoragePermission(REQUEST_READ_EXTERNAL_STORAGE)) {
dbExist = checkDatabase();
}
if (dbExist) {
backup_existing = true;
}
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) {
try {
ImportDatabase();
} catch (IOException e) {
e.printStackTrace();
}
}
});
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";
int DB_Version = DatabaseBackend.DATABASE_VERSION;
int Backup_DB_Version = 0;
try {
String dbPath = DB_PATH + DB_NAME;
checkDB = SQLiteDatabase.openDatabase(dbPath, null, SQLiteDatabase.OPEN_READONLY);
Backup_DB_Version = checkDB.getVersion();
Log.d(Config.LOGTAG, "Backup found: " + checkDB + " Version: " + checkDB.getVersion());
} catch (SQLiteException e) {
//database does't exist yet.
Log.d(Config.LOGTAG, "No backup found: " + checkDB);
}
if (checkDB != null) {
checkDB.close();
}
if (checkDB != null && Backup_DB_Version <= DB_Version) {
return true;
} else {
return 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);
}
Log.d(Config.LOGTAG,"Starting import of backup");
// Close and clear the streams
myOutput.flush();
myOutput.close();
myInput.close();
Log.d(Config.LOGTAG, "New Features - Uninstall old version of Pix-Art Messenger");
if (isPackageInstalled("eu.siacs.conversations")) {
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setMessage(R.string.uninstall_app_text)
.setPositiveButton(R.string.uninstall, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialogInterface, int i) {
//start the deinstallation of old version
if (isPackageInstalled("eu.siacs.conversations")) {
Uri packageURI_VR = Uri.parse("package:eu.siacs.conversations");
Intent uninstallIntent_VR = new Intent(Intent.ACTION_UNINSTALL_PACKAGE, packageURI_VR);
if (uninstallIntent_VR.resolveActivity(getPackageManager()) != null) {
startActivity(uninstallIntent_VR);
}
}
}
})
.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialogInterface, int i) {
Log.d(Config.LOGTAG, "New Features - Uninstall cancled");
restart();
}
});
builder.create().show();
} else {
restart();
}
}
private void restart() {
//restart app
Log.d(Config.LOGTAG, "Restarting " + getBaseContext().getPackageManager().getLaunchIntentForPackage(getBaseContext().getPackageName()));
Intent intent = getBaseContext().getPackageManager().getLaunchIntentForPackage(getBaseContext().getPackageName());
intent.addFlags(Intent.FLAG_ACTIVITY_CLEAR_TOP);
intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
startActivity(intent);
System.exit(0);
}
private boolean isPackageInstalled(String targetPackage) {
List<ApplicationInfo> packages;
PackageManager pm;
pm = getPackageManager();
packages = pm.getInstalledApplications(0);
for (ApplicationInfo packageInfo : packages) {
if (packageInfo.packageName.equals(targetPackage)) return true;
}
return false;
}
public boolean hasStoragePermission(int requestCode) {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (checkSelfPermission(Manifest.permission.READ_EXTERNAL_STORAGE) != PackageManager.PERMISSION_GRANTED) {
requestPermissions(new String[]{Manifest.permission.READ_EXTERNAL_STORAGE}, requestCode);
return false;
} else {
return true;
}
} else {
return true;
}
}
}
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