package de.pixart.messenger.ui; import android.Manifest; import android.app.Activity; import android.app.AlertDialog; import android.app.DownloadManager; import android.content.BroadcastReceiver; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.IntentFilter; import android.content.pm.PackageInfo; import android.content.pm.PackageManager; import android.net.ConnectivityManager; import android.net.NetworkInfo; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.os.Environment; import android.support.v4.app.ActivityCompat; import android.view.WindowManager; import android.widget.TextView; import android.widget.Toast; import org.json.JSONException; import org.json.JSONObject; import java.io.File; import de.pixart.messenger.Config; import de.pixart.messenger.R; import de.pixart.messenger.services.UpdaterWebService; public class UpdaterActivity extends Activity { String appURI = ""; private UpdateReceiver receiver = null; private int versionCode = 0; private DownloadManager downloadManager; private long downloadReference; static final private String FileName = "update.apk"; BroadcastReceiver downloadReceiver = new BroadcastReceiver() { @Override public void onReceive(Context context, Intent intent) { //check if the broadcast message is for our Enqueued download long referenceId = intent.getExtras().getLong(DownloadManager.EXTRA_DOWNLOAD_ID); if (downloadReference == referenceId) { File file = new File(getExternalFilesDir(Environment.DIRECTORY_DOWNLOADS), FileName); //start the installation of the latest version Intent installIntent = new Intent(Intent.ACTION_INSTALL_PACKAGE); installIntent.setDataAndType(Uri.fromFile(file), "application/vnd.android.package-archive"); installIntent.putExtra(Intent.EXTRA_NOT_UNKNOWN_SOURCE, true); installIntent.putExtra(Intent.EXTRA_RETURN_RESULT, true); installIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); startActivity(installIntent); UpdaterActivity.this.finish(); } } }; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); //set activity setContentView(R.layout.activity_updater); TextView textView = (TextView) findViewById(R.id.updater); textView.setText(R.string.update_info); //Broadcast receiver for our Web Request IntentFilter filter = new IntentFilter(UpdateReceiver.PROCESS_RESPONSE); filter.addCategory(Intent.CATEGORY_DEFAULT); receiver = new UpdateReceiver(); registerReceiver(receiver, filter); //Broadcast receiver for the download manager (download complete) registerReceiver(downloadReceiver, new IntentFilter(DownloadManager.ACTION_DOWNLOAD_COMPLETE)); //check of internet is available before making a web service request if (isNetworkAvailable(this)) { Intent msgIntent = new Intent(this, UpdaterWebService.class); msgIntent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); msgIntent.putExtra(UpdaterWebService.REQUEST_STRING, Config.UPDATE_URL); Toast.makeText(getApplicationContext(), getText(R.string.checking_for_updates), Toast.LENGTH_SHORT).show(); startService(msgIntent); } } @Override public void onDestroy() { //unregister your receivers this.unregisterReceiver(receiver); this.unregisterReceiver(downloadReceiver); super.onDestroy(); //enable touch events getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE); } @Override public void onSaveInstanceState(Bundle savedInstanceState) { super.onSaveInstanceState(savedInstanceState); } @Override public void onRestoreInstanceState(Bundle savedInstanceState) { super.onRestoreInstanceState(savedInstanceState); } //check for internet connection private boolean isNetworkAvailable(Context context) { ConnectivityManager connectivity = (ConnectivityManager) context.getSystemService(Context.CONNECTIVITY_SERVICE); if (connectivity != null) { NetworkInfo[] info = connectivity.getAllNetworkInfo(); if (info != null) { for (int i = 0; i < info.length; i++) { if (info[i].getState() == NetworkInfo.State.CONNECTED) { return true; } } } } return false; } public boolean isStoragePermissionGranted() { if (Build.VERSION.SDK_INT >= 23) { if (checkSelfPermission(android.Manifest.permission.WRITE_EXTERNAL_STORAGE) == PackageManager.PERMISSION_GRANTED) { return true; } else { ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE}, 1); return false; } } else { //permission is automatically granted on sdk<23 upon installation return true; } } //show warning on back pressed @Override public void onBackPressed() { AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setMessage(R.string.cancel_update) .setCancelable(false) .setPositiveButton(R.string.yes, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { UpdaterActivity.this.finish(); } }) .setNegativeButton(R.string.no, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { dialog.cancel(); } }); AlertDialog alert = builder.create(); alert.show(); } //broadcast receiver to get notification when the web request finishes public class UpdateReceiver extends BroadcastReceiver { public static final String PROCESS_RESPONSE = "de.pixart.messenger.intent.action.PROCESS_RESPONSE"; @Override public void onReceive(Context context, Intent intent) { //disable touch events getWindow().setFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE, WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE); String responseMessage = intent.getStringExtra(UpdaterWebService.RESPONSE_MESSAGE); if (responseMessage == "" || responseMessage.isEmpty() || responseMessage == null) { Toast.makeText(getApplicationContext(), getText(R.string.failed), Toast.LENGTH_LONG).show(); UpdaterActivity.this.finish(); } else { //parse the JSON reponse JSONObject reponseObj; try { //if the response was successful check further reponseObj = new JSONObject(responseMessage); boolean success = reponseObj.getBoolean("success"); if (success) { //Overall information about the contents of a package //This corresponds to all of the information collected from AndroidManifest.xml. PackageInfo pInfo = null; try { pInfo = getPackageManager().getPackageInfo(getPackageName(), 0); } catch (PackageManager.NameNotFoundException e) { e.printStackTrace(); } //get the app version Name for display final String versionName = pInfo.versionName; final int versionCode = pInfo.versionCode; //get the latest version from the JSON string int latestVersionCode = reponseObj.getInt("latestVersionCode"); String latestVersion = reponseObj.getString("latestVersion"); String filesize = reponseObj.getString("filesize"); String changelog = reponseObj.getString("changelog"); //get the lastest application URI from the JSON string appURI = reponseObj.getString("appURI"); //check if we need to upgrade? if (latestVersionCode > versionCode) { //delete old downloaded version files File dir = new File(getExternalFilesDir(null), Environment.DIRECTORY_DOWNLOADS); if (dir.isDirectory()) { String[] children = dir.list(); for (int i = 0; i < children.length; i++) { new File(dir, children[i]).delete(); } } //enable touch events getWindow().clearFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE); //oh yeah we do need an upgrade, let the user know send an alert message AlertDialog.Builder builder = new AlertDialog.Builder(UpdaterActivity.this); builder.setCancelable(false); String UpdateMessageInfo = getResources().getString(R.string.update_available); builder.setMessage(String.format(UpdateMessageInfo, latestVersion, filesize, versionName, changelog)) .setPositiveButton(R.string.update, new DialogInterface.OnClickListener() { //if the user agrees to upgrade public void onClick(DialogInterface dialog, int id) { //disable touch events getWindow().setFlags(WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE, WindowManager.LayoutParams.FLAG_NOT_TOUCHABLE); //ask for permissions on devices >= SDK 23 if (isStoragePermissionGranted()) { //start downloading the file using the download manager downloadManager = (DownloadManager) getSystemService(DOWNLOAD_SERVICE); Uri Download_Uri = Uri.parse(appURI); DownloadManager.Request request = new DownloadManager.Request(Download_Uri); //request.setAllowedNetworkTypes(DownloadManager.Request.NETWORK_WIFI); //request.setAllowedOverRoaming(false); request.setTitle("Pix-Art Messenger Update"); request.setDestinationInExternalFilesDir(UpdaterActivity.this, Environment.DIRECTORY_DOWNLOADS, FileName); downloadReference = downloadManager.enqueue(request); Toast.makeText(getApplicationContext(), getText(R.string.download_started), Toast.LENGTH_LONG).show(); } } }) .setNeutralButton(R.string.changelog, new DialogInterface.OnClickListener() { //open link to changelog public void onClick(DialogInterface dialog, int id) { Uri uri = Uri.parse("https://github.com/kriztan/Conversations/blob/master/CHANGELOG.md"); // missing 'http://' will cause crashed Intent intent = new Intent(Intent.ACTION_VIEW, uri); intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK); startActivity(intent); //restart updater to show dialog again after coming back after opening changelog recreate(); } }) .setNegativeButton(R.string.remind_later, new DialogInterface.OnClickListener() { public void onClick(DialogInterface dialog, int id) { // User cancelled the dialog UpdaterActivity.this.finish(); } }); //show the alert message builder.create().show(); } else { Toast.makeText(getApplicationContext(), getText(R.string.no_update_available), Toast.LENGTH_SHORT).show(); UpdaterActivity.this.finish(); } } else { Toast.makeText(getApplicationContext(), getText(R.string.failed), Toast.LENGTH_LONG).show(); UpdaterActivity.this.finish(); } } catch (JSONException e) { e.printStackTrace(); } } } } }