Added back full screen mode for call activity

app/src/main/java/org/linphone/activities/call/CallActivity.kt

@@ -20,11 +20,14 @@
 package org.linphone.activities.call
 
 import android.content.res.Configuration
+import android.content.res.Resources
 import android.os.Bundle
 import android.view.Gravity
 import android.view.MotionEvent
+import android.view.View
 import androidx.databinding.DataBindingUtil
 import androidx.lifecycle.ViewModelProvider
+import kotlinx.coroutines.*
 import org.linphone.LinphoneApplication.Companion.coreContext
 import org.linphone.LinphoneApplication.Companion.corePreferences
 import org.linphone.R
@@ -83,7 +86,8 @@ class CallActivity : ProximitySensorActivity() {
                     previewY = v.y - event.rawY
                 }
                 MotionEvent.ACTION_MOVE -> {
-                    v.animate().x(event.rawX + previewX).y(event.rawY + previewY).setDuration(0).start()
+                    v.animate().x(event.rawX + previewX).y(event.rawY + previewY).setDuration(0)
+                        .start()
                 }
                 else -> {
                     v.performClick()
@@ -109,6 +113,20 @@ class CallActivity : ProximitySensorActivity() {
         } else {
             coreContext.removeCallOverlay()
         }
+
+        if (corePreferences.fullScreenCallUI) {
+            hideSystemUI()
+            window.decorView.setOnSystemUiVisibilityChangeListener { visibility ->
+                if (visibility and View.SYSTEM_UI_FLAG_FULLSCREEN == 0) {
+                    GlobalScope.launch {
+                        delay(2000)
+                        withContext(Dispatchers.Main) {
+                            hideSystemUI()
+                        }
+                    }
+                }
+            }
+        }
     }
 
     override fun onPause() {
@@ -142,4 +160,21 @@ class CallActivity : ProximitySensorActivity() {
             viewModel.isVideoPreviewResizedForPip.value = isInPictureInPictureMode
         }
     }
+
+    override fun getTheme(): Resources.Theme {
+        val theme = super.getTheme()
+        if (corePreferences.fullScreenCallUI) {
+            theme.applyStyle(R.style.FullScreenTheme, true)
+        }
+        return theme
+    }
+
+    private fun hideSystemUI() {
+        window.decorView.systemUiVisibility = View.SYSTEM_UI_FLAG_FULLSCREEN or
+                View.SYSTEM_UI_FLAG_HIDE_NAVIGATION or
+                View.SYSTEM_UI_FLAG_IMMERSIVE or
+                View.SYSTEM_UI_FLAG_LAYOUT_FULLSCREEN or
+                View.SYSTEM_UI_FLAG_LAYOUT_STABLE or
+                View.SYSTEM_UI_FLAG_LAYOUT_HIDE_NAVIGATION
+    }
 }

app/src/main/java/org/linphone/activities/call/fragments/ControlsFragment.kt

@@ -27,6 +27,8 @@ import android.content.Intent
 import android.content.pm.PackageManager.PERMISSION_GRANTED
 import android.os.Bundle
 import android.os.SystemClock
+import android.util.DisplayMetrics
+import android.view.Display
 import androidx.lifecycle.ViewModelProvider
 import com.google.android.flexbox.FlexboxLayout
 import org.linphone.LinphoneApplication.Companion.coreContext
@@ -173,7 +175,11 @@ class ControlsFragment : GenericFragment<CallControlsFragmentBinding>() {
 
     override fun onStart() {
         super.onStart()
-        val screenWidth = requireActivity().windowManager.defaultDisplay.width.toFloat()
+
+        val metrics = DisplayMetrics()
+        val display: Display = requireActivity().getWindowManager().getDefaultDisplay()
+        display.getRealMetrics(metrics)
+        val screenWidth = metrics.widthPixels.toFloat()
         numpadAnimator = ValueAnimator.ofFloat(screenWidth, 0f).apply {
             addUpdateListener {
                 val value = it.animatedValue as Float

app/src/main/java/org/linphone/activities/main/settings/viewmodels/CallSettingsViewModel.kt

@@ -59,6 +59,13 @@ class CallSettingsViewModel : GenericSettingsViewModel() {
     }
     val encryptionMandatory = MutableLiveData<Boolean>()
 
+    val fullScreenListener = object : SettingListenerStub() {
+        override fun onBoolValueChanged(newValue: Boolean) {
+                prefs.fullScreenCallUI = newValue
+            }
+    }
+    val fullScreen = MutableLiveData<Boolean>()
+
     val overlayListener = object : SettingListenerStub() {
         override fun onBoolValueChanged(newValue: Boolean) {
             if (Version.sdkAboveOrEqual(Version.API23_MARSHMALLOW_60)) {
@@ -146,6 +153,7 @@ class CallSettingsViewModel : GenericSettingsViewModel() {
         initEncryptionList()
         encryptionMandatory.value = core.isMediaEncryptionMandatory
 
+        fullScreen.value = prefs.fullScreenCallUI
         overlay.value = prefs.showCallOverlay
         sipInfoDtmf.value = core.useInfoForDtmf
         rfc2833Dtmf.value = core.useRfc2833ForDtmf

app/src/main/java/org/linphone/core/CorePreferences.kt

@@ -206,6 +206,12 @@ class CorePreferences constructor(private val context: Context) {
             config.setBool("app", "call_right_away", value)
         }
 
+    var fullScreenCallUI: Boolean
+        get() = config.getBool("app", "full_screen_call", true)
+        set(value) {
+            config.setBool("app", "full_screen_call", value)
+        }
+
     /* Assistant */
 
     var firstStart: Boolean

app/src/main/res/layout/settings_call_fragment.xml

@@ -95,6 +95,12 @@
                     linphone:checked="@={viewModel.encryptionMandatory}"
                     linphone:enabled="@{viewModel.encryptionIndex != 0}"
                     android:visibility="@{viewModel.encryptionIndex != 0 ? View.VISIBLE : View.GONE}"/>
+                <include
+                    layout="@layout/settings_widget_switch"
+                    linphone:title="@{@string/call_settings_full_screen_title}"
+                    linphone:subtitle="@{@string/call_settings_full_screen_summary}"
+                    linphone:listener="@{viewModel.fullScreenListener}"
+                    linphone:checked="@={viewModel.fullScreen}"/>
 
                 <include
                     layout="@layout/settings_widget_switch"

app/src/main/res/values/strings.xml

@@ -381,6 +381,8 @@
     <string name="call_settings_media_encryption_dtls">DTLS</string>
     <string name="call_settings_encryption_mandatory_title">Media encryption mandatory</string>
     <string name="call_settings_encryption_mandatory_summary"></string>
+    <string name="call_settings_full_screen_title">Full screen app while in call</string>
+    <string name="call_settings_full_screen_summary">Hides status and navigation bars</string>
     <string name="call_settings_overlay_title">Overlay call notification</string>
     <string name="call_settings_overlay_summary">You will be asked to grant overlay permission</string>
     <string name="call_settings_sipinfo_dtmf_title">Send out-band DTMFs (SIP INFO)</string>

app/src/main/res/values/styles.xml

@@ -46,10 +46,16 @@
         <item name="button_background_drawable">@drawable/button_background_light</item>
     </style>
 
-    <style name="LauncherTheme" parent="AppTheme">
+    <style name="LauncherTheme" parent="@style/AppTheme">
         <item name="android:windowBackground">@drawable/launch_screen</item>
     </style>
 
+    <style name="FullScreenTheme" parent="@style/AppTheme">
+        <item name="android:windowLayoutInDisplayCutoutMode">shortEdges</item>
+        <item name="android:windowTranslucentStatus">true</item>
+        <item name="android:windowTranslucentNavigation">true</item>
+    </style>
+
     <!-- Numpad -->
 
     <style name="numpad_digit" parent="@android:style/TextAppearance.Medium">