Fix a crash which happens when user shakes the phone #ANDROID-15102 (#43

)

* replace launchedEffect by DisposableEffect #ANDROID-15102

* undo last commit, fix crash #ANDROID-15102

* create new function to navigate on shakes which does not depends on navController  #ANDROID-15102

README.md

@@ -275,10 +275,17 @@ addTweakGraph(
 ```
 
 ## Shake gesture support:
-The tweaks can be opened when the user shakes the device, to do this you need to add to your navigation controller:
+
+The tweaks can be opened when the user shakes the device. To achieve this, you can either add the following to your navigation controller:
 ```kotlin
 navController.navigateToTweaksOnShake()
 ```
+or call:
+```kotlin
+NavigateToTweaksOnShake(onOpenTweaks: () -> Unit)
+```
+and handle the navigation action yourself.
+
 And also, optionally
 ```xml
 <uses-permission android:name="android.permission.VIBRATE" />

library/src/enabled/java/com/telefonica/tweaks/Tweaks.kt

@@ -5,12 +5,15 @@ import android.annotation.SuppressLint
 import android.content.Context
 import android.content.pm.PackageManager
 import android.hardware.SensorManager
-import android.hardware.SensorManager.SENSOR_DELAY_NORMAL
 import android.os.Build
 import android.os.VibrationEffect
 import android.os.Vibrator
 import androidx.compose.runtime.Composable
 import androidx.compose.runtime.LaunchedEffect
+import androidx.compose.runtime.getValue
+import androidx.compose.runtime.mutableStateOf
+import androidx.compose.runtime.saveable.rememberSaveable
+import androidx.compose.runtime.setValue
 import androidx.compose.ui.platform.LocalContext
 import androidx.core.content.ContextCompat
 import androidx.navigation.NavController
@@ -87,24 +90,47 @@ open class Tweaks : TweaksContract {
             component.inject(reference)
         }
     }
+}
 
+@Composable
+fun NavController.navigateToTweaksOnShake() {
+    DetectShakeAndNavigate {
+        navigate(TWEAKS_NAVIGATION_ENTRYPOINT)
+    }
+}
 
+@Composable
+fun NavigateToTweaksOnShake(onOpenTweaks: () -> Unit) {
+    DetectShakeAndNavigate {
+        onOpenTweaks()
+    }
 }
 
 @Composable
-fun NavController.navigateToTweaksOnShake() {
+private fun DetectShakeAndNavigate(onShakeDetected: () -> Unit) {
     val context = LocalContext.current
     val sensorManager: SensorManager =
         context.getSystemService(Context.SENSOR_SERVICE) as SensorManager
+
+    var shouldNavigate by rememberSaveable { mutableStateOf(false) }
+
     LaunchedEffect(true) {
         val shakeDetector = ShakeDetector {
             vibrateIfAble(context)
-            navigate(TWEAKS_NAVIGATION_ENTRYPOINT)
+            shouldNavigate = true
+        }
+        shakeDetector.start(sensorManager, SensorManager.SENSOR_DELAY_NORMAL)
+    }
+
+    LaunchedEffect(shouldNavigate) {
+        if (shouldNavigate) {
+            onShakeDetected()
+            shouldNavigate = false
         }
-        shakeDetector.start(sensorManager, SENSOR_DELAY_NORMAL)
     }
 }
 
+
 @SuppressLint("MissingPermission")
 private fun vibrateIfAble(context: Context) {
     if (ContextCompat.checkSelfPermission(
@@ -171,4 +197,4 @@ fun NavGraphBuilder.addTweakGraph(
     }
 }
 
-private fun TweakCategory.navigationRoute(): String = "${this.title.replace(" ", "")}-tweak-screen"
+private fun TweakCategory.navigationRoute(): String = "${this.title.replace(" ", "")}-tweak-screen"