SanabriaDDi
commented
2 years ago I have the same problem, to temporarily correct what I did was directly edit the plugin.
blue_thermal_printer's AndroidManifest:
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="id.kakzaki.blue_thermal_printer">
<uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>
<!-- Request legacy Bluetooth permissions on older devices. -->
<uses-permission android:name="android.permission.BLUETOOTH"
/>
<uses-permission android:name="android.permission.BLUETOOTH_ADMIN"/>
<!-- Needed only if your app looks for Bluetooth devices.
You must add an attribute to this permission, or declare the
ACCESS_FINE_LOCATION permission, depending on the results when you
check location usage in your app. -->
<uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>
<uses-permission android:name="android.permission.BLUETOOTH_SCAN" />
<!-- Needed only if your app makes the device discoverable to Bluetooth
devices. -->
<uses-permission android:name="android.permission.BLUETOOTH_ADVERTISE" />
<!-- Needed only if your app communicates with already-paired Bluetooth
devices. -->
<uses-permission android:name="android.permission.BLUETOOTH_CONNECT" />
</manifest>Also BlueThermalPrinterPlugin.java:
case "getBondedDevices":
try {
final String[] BLE_PERMISSIONS = new String[]{
Manifest.permission.ACCESS_COARSE_LOCATION,
Manifest.permission.ACCESS_FINE_LOCATION,
};
final String[] ANDROID_12_BLE_PERMISSIONS = new String[]{
Manifest.permission.BLUETOOTH_SCAN,
Manifest.permission.BLUETOOTH_CONNECT,
Manifest.permission.ACCESS_FINE_LOCATION,
};
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.S) {
if (ContextCompat.checkSelfPermission(activity,
Manifest.permission.BLUETOOTH_SCAN) != PackageManager.PERMISSION_GRANTED ||
ContextCompat.checkSelfPermission(activity,
Manifest.permission.BLUETOOTH_CONNECT) != PackageManager.PERMISSION_GRANTED ||
ContextCompat.checkSelfPermission(activity,
Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(activity,
ANDROID_12_BLE_PERMISSIONS, REQUEST_BLE_12);
pendingResult = result;
break;
}
} else {
if (ContextCompat.checkSelfPermission(activity,
Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED ||
ContextCompat.checkSelfPermission(activity,
Manifest.permission.ACCESS_FINE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(activity,
BLE_PERMISSIONS, REQUEST_COARSE_LOCATION_PERMISSIONS);
pendingResult = result;
break;
}
}
//Original code to request permissions
/*if (ContextCompat.checkSelfPermission(activity,
Manifest.permission.ACCESS_COARSE_LOCATION) != PackageManager.PERMISSION_GRANTED) {
ActivityCompat.requestPermissions(activity,
new String[] { Manifest.permission.ACCESS_COARSE_LOCATION }, REQUEST_COARSE_LOCATION_PERMISSIONS);
pendingResult = result;
break;
}*/
getBondedDevices(result);
} catch (Exception ex) {
result.error("Error", ex.getMessage(), exceptionToString(ex));
}
break;
noebt
cococolapepsi
giullianocht
aqibaja
louisergi1
Alexis101120
kakzaki
Hi, I'm implementing thermal printing in Android. I did everything as in the example and added the bluetooth permissions in the manifest (as shown in the official documentation).
The thing is, the printer is found correctly, but when I try to connect to it, an error shows:
I have set the targetSDK to both 30 and 31, did flutter clean and pub get a couple of times and I keep getting the same error. I don't understand why, my manifest has the correct permissions. I am using an Android 12 device. Thanks.