diff options
Diffstat (limited to '')
| -rw-r--r-- | src/main/java/de/pixart/messenger/services/BarcodeProvider.java | 92 |
1 files changed, 53 insertions, 39 deletions
diff --git a/src/main/java/de/pixart/messenger/services/BarcodeProvider.java b/src/main/java/de/pixart/messenger/services/BarcodeProvider.java index cf8ed5457..dafd61720 100644 --- a/src/main/java/de/pixart/messenger/services/BarcodeProvider.java +++ b/src/main/java/de/pixart/messenger/services/BarcodeProvider.java @@ -40,6 +40,37 @@ public class BarcodeProvider extends ContentProvider implements ServiceConnectio private final Object lock = new Object(); private XmppConnectionService mXmppConnectionService; + private boolean mBindingInProcess = false; + + public static Uri getUriForAccount(Context context, Account account) { + final String packageId = context.getPackageName(); + return Uri.parse("content://" + packageId + AUTHORITY + "/" + account.getJid().asBareJid() + ".png"); + } + + public static Bitmap create2dBarcodeBitmap(String input, int size) { + try { + final QRCodeWriter barcodeWriter = new QRCodeWriter(); + final Hashtable<EncodeHintType, Object> hints = new Hashtable<>(); + hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M); + hints.put(EncodeHintType.CHARACTER_SET, "UTF-8"); + final BitMatrix result = barcodeWriter.encode(input, BarcodeFormat.QR_CODE, size, size, hints); + final int width = result.getWidth(); + final int height = result.getHeight(); + final int[] pixels = new int[width * height]; + for (int y = 0; y < height; y++) { + final int offset = y * width; + for (int x = 0; x < width; x++) { + pixels[offset + x] = result.get(x, y) ? Color.BLACK : Color.WHITE; + } + } + final Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); + bitmap.setPixels(pixels, 0, width, 0, 0, width, height); + return bitmap; + } catch (final Exception e) { + e.printStackTrace(); + return null; + } + } @Override public boolean onCreate() { @@ -112,7 +143,7 @@ public class BarcodeProvider extends ContentProvider implements ServiceConnectio outputStream.close(); outputStream.flush(); } - return ParcelFileDescriptor.open(file,ParcelFileDescriptor.MODE_READ_ONLY); + return ParcelFileDescriptor.open(file, ParcelFileDescriptor.MODE_READ_ONLY); } } catch (Exception e) { throw new FileNotFoundException(); @@ -124,14 +155,19 @@ public class BarcodeProvider extends ContentProvider implements ServiceConnectio private boolean connectAndWait() { Intent intent = new Intent(getContext(), XmppConnectionService.class); - intent.setAction("contact_chooser"); + intent.setAction(this.getClass().getSimpleName()); Context context = getContext(); if (context != null) { - context.startService(intent); - context.bindService(intent, this, Context.BIND_AUTO_CREATE); + synchronized (this) { + if (mXmppConnectionService == null && !mBindingInProcess) { + Log.d(Config.LOGTAG, "calling to bind service"); + context.startService(intent); + context.bindService(intent, this, Context.BIND_AUTO_CREATE); + this.mBindingInProcess = true; + } + } try { waitForService(); - Log.d(Config.LOGTAG, "service initialized"); return true; } catch (InterruptedException e) { return false; @@ -144,16 +180,21 @@ public class BarcodeProvider extends ContentProvider implements ServiceConnectio @Override public void onServiceConnected(ComponentName name, IBinder service) { - XmppConnectionService.XmppConnectionBinder binder = (XmppConnectionService.XmppConnectionBinder) service; - mXmppConnectionService = binder.getService(); - synchronized (this.lock) { - lock.notifyAll(); + synchronized (this) { + XmppConnectionService.XmppConnectionBinder binder = (XmppConnectionService.XmppConnectionBinder) service; + mXmppConnectionService = binder.getService(); + mBindingInProcess = false; + synchronized (this.lock) { + lock.notifyAll(); + } } } @Override public void onServiceDisconnected(ComponentName name) { - mXmppConnectionService = null; + synchronized (this) { + mXmppConnectionService = null; + } } private void waitForService() throws InterruptedException { @@ -161,35 +202,8 @@ public class BarcodeProvider extends ContentProvider implements ServiceConnectio synchronized (this.lock) { lock.wait(); } - } - } - - public static Uri getUriForAccount(Context context, Account account) { - final String packageId = context.getPackageName(); - return Uri.parse("content://" + packageId + AUTHORITY + "/" + account.getJid().asBareJid() + ".png"); - } - - public static Bitmap create2dBarcodeBitmap(String input, int size) { - try { - final QRCodeWriter barcodeWriter = new QRCodeWriter(); - final Hashtable<EncodeHintType, Object> hints = new Hashtable<>(); - hints.put(EncodeHintType.ERROR_CORRECTION, ErrorCorrectionLevel.M); - final BitMatrix result = barcodeWriter.encode(input, BarcodeFormat.QR_CODE, size, size, hints); - final int width = result.getWidth(); - final int height = result.getHeight(); - final int[] pixels = new int[width * height]; - for (int y = 0; y < height; y++) { - final int offset = y * width; - for (int x = 0; x < width; x++) { - pixels[offset + x] = result.get(x, y) ? Color.BLACK : Color.WHITE; - } - } - final Bitmap bitmap = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888); - bitmap.setPixels(pixels, 0, width, 0, 0, width, height); - return bitmap; - } catch (final Exception e) { - e.printStackTrace(); - return null; + } else { + Log.d(Config.LOGTAG, "not waiting for service because already initialized"); } } }
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