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Code Issues Releases Wiki Activity

keep bluetooth status icon while switching screen orientation

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search only once at the app start for a bluetooth device
This commit is contained in:
OliE
2016-12-16 17:39:14 +01:00
parent 5eae0044a6
commit 709ee2e036
1 changed files with 27 additions and 12 deletions
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39
android_app/app/src/main/java/com/health/openscale/gui/MainActivity.java
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@@ -56,13 +56,16 @@ public class MainActivity extends ActionBarActivity implements
*/
private SectionsPagerAdapter mSectionsPagerAdapter;
private static boolean firstAppStart = false;
private static int bluetoothStatusIcon = 0;
private static MenuItem bluetoothStatus;
/**
* The {@link ViewPager} that will host the section contents.
*/
private ViewPager mViewPager;
private MenuItem bluetoothStatus;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
@@ -124,7 +127,14 @@ public class MainActivity extends ActionBarActivity implements
bluetoothStatus = menu.findItem(R.id.action_bluetooth_status);
invokeSearchBluetoothDevice();
// Just search for a bluetooth device just once at the start of the app
if (!firstAppStart) {
invokeSearchBluetoothDevice();
firstAppStart = true;
} else {
// Set current bluetooth status icon while e.g. orientation changes
setBluetoothStatusIcon(bluetoothStatusIcon);
}
return true;
}
@@ -150,7 +160,7 @@ public class MainActivity extends ActionBarActivity implements
Toast.makeText(getApplicationContext(), getResources().getString(R.string.info_bluetooth_try_reconnection) + " " + deviceName, Toast.LENGTH_SHORT).show();
invokeSearchBluetoothDevice();
} else {
bluetoothStatus.setIcon(getResources().getDrawable(R.drawable.bluetooth_disabled));
setBluetoothStatusIcon(R.drawable.bluetooth_disabled);
Toast.makeText(getApplicationContext(), "Bluetooth " + getResources().getString(R.string.info_is_not_enable), Toast.LENGTH_SHORT).show();
}
return true;
@@ -180,18 +190,18 @@ public class MainActivity extends ActionBarActivity implements
// Check if Bluetooth 4.x is available
if (Integer.parseInt(deviceType) == BluetoothCommunication.BT_MI_SCALE) {
if (!getPackageManager().hasSystemFeature(PackageManager.FEATURE_BLUETOOTH_LE)) {
bluetoothStatus.setIcon(getResources().getDrawable(R.drawable.bluetooth_disabled));
setBluetoothStatusIcon(R.drawable.bluetooth_disabled);
Toast.makeText(getApplicationContext(), "Bluetooth 4.x " + getResources().getString(R.string.info_is_not_available), Toast.LENGTH_SHORT).show();
return;
}
}
bluetoothStatus.setIcon(getResources().getDrawable(R.drawable.bluetooth_searching));
setBluetoothStatusIcon(R.drawable.bluetooth_searching);
OpenScale.getInstance(getApplicationContext()).stopSearchingForBluetooth();
OpenScale.getInstance(getApplicationContext()).startSearchingForBluetooth(Integer.parseInt(deviceType), deviceName, callbackBtHandler);
} else {
bluetoothStatus.setIcon(getResources().getDrawable(R.drawable.bluetooth_disabled));
setBluetoothStatusIcon(R.drawable.bluetooth_disabled);
}
}
@@ -201,7 +211,7 @@ public class MainActivity extends ActionBarActivity implements
switch (msg.what) {
case BluetoothCommunication.BT_RETRIEVE_SCALE_DATA:
bluetoothStatus.setIcon(getResources().getDrawable(R.drawable.bluetooth_connection_success));
setBluetoothStatusIcon(R.drawable.bluetooth_connection_success);
ScaleData scaleBtData = (ScaleData) msg.obj;
// if no user id is set, use the current user id
@@ -213,22 +223,22 @@ public class MainActivity extends ActionBarActivity implements
OpenScale.getInstance(getApplicationContext()).updateScaleData();
break;
case BluetoothCommunication.BT_CONNECTION_LOST:
bluetoothStatus.setIcon(getResources().getDrawable(R.drawable.bluetooth_connection_lost));
setBluetoothStatusIcon(R.drawable.bluetooth_connection_lost);
Toast.makeText(getApplicationContext(), getResources().getString(R.string.info_bluetooth_connection_lost), Toast.LENGTH_SHORT).show();
Log.d("OpenScale", "Bluetooth connection lost");
break;
case BluetoothCommunication.BT_NO_DEVICE_FOUND:
bluetoothStatus.setIcon(getResources().getDrawable(R.drawable.bluetooth_connection_lost));
setBluetoothStatusIcon(R.drawable.bluetooth_connection_lost);
Toast.makeText(getApplicationContext(), getResources().getString(R.string.info_bluetooth_no_device), Toast.LENGTH_SHORT).show();
Log.d("OpenScale", "No Bluetooth device found");
break;
case BluetoothCommunication.BT_CONNECTION_ESTABLISHED:
bluetoothStatus.setIcon(getResources().getDrawable(R.drawable.bluetooth_connection_success));
setBluetoothStatusIcon(R.drawable.bluetooth_connection_success);
Toast.makeText(getApplicationContext(), getResources().getString(R.string.info_bluetooth_connection_successful), Toast.LENGTH_SHORT).show();
Log.d("OpenScale", "Bluetooth connection successful established");
break;
case BluetoothCommunication.BT_UNEXPECTED_ERROR:
bluetoothStatus.setIcon(getResources().getDrawable(R.drawable.bluetooth_connection_lost));
setBluetoothStatusIcon(R.drawable.bluetooth_connection_lost);
Toast.makeText(getApplicationContext(), getResources().getString(R.string.info_bluetooth_connection_error) + ": " + msg.obj, Toast.LENGTH_SHORT).show();
Log.e("OpenScale", "Bluetooth unexpected error: " + msg.obj);
break;
@@ -236,6 +246,11 @@ public class MainActivity extends ActionBarActivity implements
}
};
private void setBluetoothStatusIcon(int iconRessource) {
bluetoothStatusIcon = iconRessource;
bluetoothStatus.setIcon(getResources().getDrawable(bluetoothStatusIcon));
}
@Override
public void onTabSelected(ActionBar.Tab tab,
FragmentTransaction fragmentTransaction) {