MainActivity: Warn users if battery optimizations are enabled

Signed-off-by: Aayush Gupta <aayushgupta219@gmail.com>

app/src/main/java/com/aurora/store/MainActivity.kt

@@ -21,12 +21,14 @@
 package com.aurora.store
 
 import android.Manifest
+import android.content.Context
 import android.content.Intent
 import android.content.pm.PackageManager
 import android.content.res.ColorStateList
 import android.os.Build
 import android.os.Bundle
 import android.os.Environment
+import android.os.PowerManager
 import android.provider.Settings
 import android.view.Menu
 import android.view.MenuItem
@@ -54,6 +56,7 @@ import coil.transform.RoundedCornersTransformation
 import com.aurora.Constants
 import com.aurora.extensions.accentColor
 import com.aurora.extensions.applyThemeAccent
+import com.aurora.extensions.isMAndAbove
 import com.aurora.extensions.isRAndAbove
 import com.aurora.extensions.toast
 import com.aurora.store.data.model.NetworkStatus
@@ -219,6 +222,12 @@ class MainActivity : AppCompatActivity() {
 
     override fun onCreateOptionsMenu(menu: Menu): Boolean {
         menuInflater.inflate(R.menu.menu_main, menu)
+
+        // Show warning if battery optimizations is enabled
+        val powerManager = getSystemService(Context.POWER_SERVICE) as PowerManager
+        if (isMAndAbove() && !powerManager.isIgnoringBatteryOptimizations(packageName)) {
+            menu.findItem(R.id.menu_doze_info)?.isVisible = true
+        }
         return true
     }
 
@@ -228,6 +237,10 @@ class MainActivity : AppCompatActivity() {
                 navController.navigate(R.id.downloadFragment)
                 return true
             }
+            R.id.menu_doze_info -> {
+                navController.navigate(R.id.dozeWarningSheet)
+                return true
+            }
         }
         return super.onOptionsItemSelected(item)
     }

app/src/main/java/com/aurora/store/view/ui/sheets/DozeWarningSheet.kt

@@ -0,0 +1,59 @@
+package com.aurora.store.view.ui.sheets
+
+import android.content.Context
+import android.content.Intent
+import android.net.Uri
+import android.os.Bundle
+import android.os.PowerManager
+import android.provider.Settings
+import android.view.LayoutInflater
+import android.view.View
+import android.view.ViewGroup
+import androidx.activity.result.contract.ActivityResultContracts
+import com.aurora.extensions.isMAndAbove
+import com.aurora.extensions.toast
+import com.aurora.store.R
+import com.aurora.store.databinding.SheetDozeWarningBinding
+
+class DozeWarningSheet : BaseBottomSheet() {
+
+    private val startForDozeResult =
+        registerForActivityResult(ActivityResultContracts.StartActivityForResult()) {
+            context?.let {
+                val powerManager = it.getSystemService(Context.POWER_SERVICE) as PowerManager
+                if (isMAndAbove() && powerManager.isIgnoringBatteryOptimizations(it.packageName)) {
+                    toast(R.string.toast_permission_granted)
+                    activity?.recreate()
+                } else {
+                    toast(R.string.permissions_denied)
+                }
+                dismissAllowingStateLoss()
+            }
+        }
+
+    private var _binding: SheetDozeWarningBinding? = null
+    private val binding get() = _binding!!
+
+    override fun onCreateContentView(
+        inflater: LayoutInflater,
+        container: ViewGroup,
+        savedInstanceState: Bundle?
+    ): View {
+        _binding = SheetDozeWarningBinding.inflate(inflater, container, false)
+        return binding.root
+    }
+
+    override fun onContentViewCreated(view: View, savedInstanceState: Bundle?) {
+        binding.btnSecondary.setOnClickListener { dismissAllowingStateLoss() }
+        binding.btnPrimary.setOnClickListener { requestDozePermission() }
+    }
+
+    private fun requestDozePermission() {
+        if (isMAndAbove()) {
+            val intent = Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS).apply {
+                data = Uri.parse("package:${requireContext().packageName}")
+            }
+            startForDozeResult.launch(intent)
+        }
+    }
+}