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Fix crashes when no Bluetooth or no Camera is available

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Briar crashed when run in a device without bluetooth or without camera
such as an emulator.

Closes #514
This commit is contained in:
Torsten Grote
2016-08-04 16:44:28 -03:00
parent 054a0d467c
commit b04bde4f41
5 changed files with 15 additions and 8 deletions
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1
briar-android/src/org/briarproject/android/keyagreement/ShowQrCodeFragment.java
View File

@@ -225,6 +225,7 @@ public class ShowQrCodeFragment extends BaseEventFragment
protected void onPostExecute(Camera camera) {
if (camera == null) {
// TODO better solution?
LOG.info("No Camera found, finishing...");
getActivity().finish();
} else {
cameraView.start(camera, decoder, 0);

10
briar-android/src/org/briarproject/android/util/CameraView.java
View File

@@ -86,7 +86,8 @@ public class CameraView extends SurfaceView implements SurfaceHolder.Callback,
public void stop() {
stopPreview();
try {
camera.release();
if (camera != null)
camera.release();
} catch (RuntimeException e) {
LOG.log(WARNING, "Error releasing camera", e);
}
@@ -106,7 +107,8 @@ public class CameraView extends SurfaceView implements SurfaceHolder.Callback,
private void stopPreview() {
try {
stopConsumer();
camera.stopPreview();
if (camera != null)
camera.stopPreview();
} catch (RuntimeException e) {
LOG.log(WARNING, "Error stopping camera preview", e);
}
@@ -118,7 +120,9 @@ public class CameraView extends SurfaceView implements SurfaceHolder.Callback,
}
public void stopConsumer() {
previewConsumer.stop();
if (previewConsumer != null) {
previewConsumer.stop();
}
if (autoFocus) camera.cancelAutoFocus();
}

5
briar-android/src/org/briarproject/plugins/droidtooth/DroidtoothPlugin.java
View File

@@ -261,7 +261,7 @@ class DroidtoothPlugin implements DuplexPlugin {
@Override
public boolean isRunning() {
return running && adapter.isEnabled();
return running && adapter != null && adapter.isEnabled();
}
@Override
@@ -446,6 +446,7 @@ class DroidtoothPlugin implements DuplexPlugin {
@Override
public KeyAgreementListener createKeyAgreementListener(byte[] commitment) {
if (!isRunning()) return null;
// No truncation necessary because COMMIT_LENGTH = 16
UUID uuid = UUID.nameUUIDFromBytes(commitment);
if (LOG.isLoggable(INFO)) LOG.info("Key agreement UUID " + uuid);
@@ -616,7 +617,7 @@ class DroidtoothPlugin implements DuplexPlugin {
private final BluetoothServerSocket ss;
public BluetoothKeyAgreementListener(TransportDescriptor descriptor,
BluetoothKeyAgreementListener(TransportDescriptor descriptor,
BluetoothServerSocket ss) {
super(descriptor);
this.ss = ss;