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check if Bluetooth is enabled

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This commit is contained in:
Zhengyu Peng 2022-02-24 09:30:45 -05:00
parent b3dc1f3fd1
commit 3daa95c276
1 changed files with 44 additions and 14 deletions
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58
software/android/app/src/main/java/com/rookiedev/hexapod/MainActivity.kt
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@ -2,6 +2,8 @@ package com.rookiedev.hexapod
import android.app.Activity
import android.app.AlertDialog
import android.bluetooth.BluetoothAdapter
import android.bluetooth.BluetoothManager
import android.content.Context
import android.content.Intent
import android.content.pm.PackageManager
@ -39,6 +41,7 @@ class MainActivity : AppCompatActivity() {
private const val ERROR_NO_PERMISSION = 0
private const val ERROR_NO_DEVICE = 1
private const val ERROR_BLUETOOTH_DISABLED = 2
}
private var mContext: Context? = null
@ -115,12 +118,20 @@ class MainActivity : AppCompatActivity() {
// select bluetooth device
selectedDevice.setOnClickListener {
if (btConnectPermission && btScanPermission) {
val serverIntent = Intent(this, DeviceListActivity::class.java)
resultLauncher.launch(serverIntent)
val bluetoothManager =
this.mContext!!.getSystemService(Context.BLUETOOTH_SERVICE) as BluetoothManager
val bluetoothAdapter: BluetoothAdapter? = bluetoothManager.adapter
if (bluetoothAdapter != null) {
if (!bluetoothAdapter.isEnabled) {
alertDialog(ERROR_BLUETOOTH_DISABLED)
}
} else {
alertDialog(ERROR_NO_PERMISSION)
if (btConnectPermission && btScanPermission) {
val serverIntent = Intent(this, DeviceListActivity::class.java)
resultLauncher.launch(serverIntent)
} else {
alertDialog(ERROR_NO_PERMISSION)
}
}
}
@ -159,15 +170,24 @@ class MainActivity : AppCompatActivity() {
}
} else if (tabLayout.selectedTabPosition == 1) {
if (btDeviceMac.text.isNotBlank()) {
if (btConnectPermission && btScanPermission) {
saveSharedPref()
val intent = Intent(this, ControlActivity::class.java).apply {
putExtra("interface", TAB_BLUETOOTH)
putExtra("mac", btDeviceMac.text.toString())
val bluetoothManager =
this.mContext!!.getSystemService(Context.BLUETOOTH_SERVICE) as BluetoothManager
val bluetoothAdapter: BluetoothAdapter? = bluetoothManager.adapter
if (bluetoothAdapter != null) {
if (!bluetoothAdapter.isEnabled) {
alertDialog(ERROR_BLUETOOTH_DISABLED)
}
startActivity(intent)
} else {
alertDialog(ERROR_NO_PERMISSION)
if (btConnectPermission && btScanPermission) {
saveSharedPref()
val intent = Intent(this, ControlActivity::class.java).apply {
putExtra("interface", TAB_BLUETOOTH)
putExtra("mac", btDeviceMac.text.toString())
}
startActivity(intent)
} else {
alertDialog(ERROR_NO_PERMISSION)
}
}
} else {
alertDialog(ERROR_NO_DEVICE)
@ -200,10 +220,8 @@ class MainActivity : AppCompatActivity() {
if (result.resultCode == Activity.RESULT_OK) {
// There are no request codes
val data: Intent? = result.data
btDeviceName.text = data!!.getStringExtra("device_name")
btDeviceMac.text = data.getStringExtra("device_address")
}
}
@ -322,6 +340,18 @@ class MainActivity : AppCompatActivity() {
"OK"
) { _, _ -> }
}
ERROR_BLUETOOTH_DISABLED -> {
alert.setTitle("Bluetooth Disabled")
alert.setIcon(R.drawable.ic_baseline_error_24)
alert.setMessage(
"Please enable Bluetooth in Settings"
)
alert.setOnCancelListener { }
alert.setButton(
AlertDialog.BUTTON_POSITIVE,
"OK"
) { _, _ -> }
}
}
alert.show()
}