diff options
Diffstat (limited to 'src/main/java/de/pixart/messenger/ui/WelcomeActivity.java')
| -rw-r--r-- | src/main/java/de/pixart/messenger/ui/WelcomeActivity.java | 208 |
1 files changed, 208 insertions, 0 deletions
diff --git a/src/main/java/de/pixart/messenger/ui/WelcomeActivity.java b/src/main/java/de/pixart/messenger/ui/WelcomeActivity.java new file mode 100644 index 000000000..c92bb8cd4 --- /dev/null +++ b/src/main/java/de/pixart/messenger/ui/WelcomeActivity.java @@ -0,0 +1,208 @@ +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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