#1788 feat: dismiss lockscreen when launching app action from lockscreen

Author: sds100

CHANGELOG.md

@@ -8,6 +8,7 @@
   or you record different physical keys from the same device with the same key code.
 - Redesign the Settings screen.
 - Shortcuts on the trigger screen that guide you how to set up different types of buttons.
+- #1788 dismiss lockscreen when launching app action from lockscreen
 
 ## Removed
 

system/src/main/AndroidManifest.xml

@@ -98,5 +98,12 @@
             android:name=".notifications.ObserveNotificationListenersJob"
             android:permission="android.permission.BIND_JOB_SERVICE" />
 
+        <activity
+            android:name=".apps.TrampolineActivity"
+            android:excludeFromRecents="true"
+            android:exported="true"
+            android:finishOnTaskLaunch="true"
+            android:launchMode="singleInstance"
+            android:theme="@android:style/Theme.NoDisplay"></activity>
     </application>
 </manifest>

system/src/main/java/io/github/sds100/keymapper/system/apps/AndroidPackageManagerAdapter.kt

@@ -2,6 +2,7 @@ package io.github.sds100.keymapper.system.apps
 
 import android.annotation.SuppressLint
 import android.app.ActivityOptions
+import android.app.KeyguardManager
 import android.app.PendingIntent
 import android.content.ActivityNotFoundException
 import android.content.BroadcastReceiver
@@ -48,6 +49,10 @@ class AndroidPackageManagerAdapter @Inject constructor(
     private val ctx: Context = context.applicationContext
     private val packageManager: PackageManager = ctx.packageManager
 
+    private val keyguardManager: KeyguardManager by lazy {
+        ctx.getSystemService(KeyguardManager::class.java)
+    }
+
     private val fetchPackages: MutableSharedFlow<Unit> = MutableSharedFlow()
     override val onPackagesChanged: MutableSharedFlow<Unit> = MutableSharedFlow()
     override val installedPackages = MutableStateFlow<State<List<PackageInfo>>>(State.Loading)
@@ -62,7 +67,7 @@ class AndroidPackageManagerAdapter @Inject constructor(
                 Intent.ACTION_PACKAGE_ADDED,
                 Intent.ACTION_PACKAGE_REMOVED,
                 Intent.ACTION_PACKAGE_REPLACED,
-                -> {
+                    -> {
                     coroutineScope.launch {
                         fetchPackages.emit(Unit)
                         onPackagesChanged.emit(Unit)
@@ -233,10 +238,10 @@ class AndroidPackageManagerAdapter @Inject constructor(
         val leanbackIntent = packageManager.getLeanbackLaunchIntentForPackage(packageName)
         val normalIntent = packageManager.getLaunchIntentForPackage(packageName)
 
-        val intent = leanbackIntent ?: normalIntent
+        val packageIntent = leanbackIntent ?: normalIntent
 
         // intent = null if the app doesn't exist
-        if (intent == null) {
+        if (packageIntent == null) {
             try {
                 val appInfo = ctx.packageManager.getApplicationInfo(packageName, 0)
 
@@ -250,12 +255,18 @@ class AndroidPackageManagerAdapter @Inject constructor(
                 return KMError.AppNotFound(packageName)
             }
         } else {
-            val pendingIntent = if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
-                PendingIntent.getActivity(ctx, 0, intent, PendingIntent.FLAG_IMMUTABLE)
+            // Use a trampoline activity that will dismiss the keyguard when it is locked.
+            val intent = if (keyguardManager.isKeyguardLocked) {
+                Intent(ctx, TrampolineActivity::class.java).apply {
+                    putExtra(TrampolineActivity.EXTRA_INTENT, packageIntent)
+                }
             } else {
-                PendingIntent.getActivity(ctx, 0, intent, 0)
+                packageIntent
             }
 
+            val pendingIntent =
+                PendingIntent.getActivity(ctx, 0, intent, PendingIntent.FLAG_IMMUTABLE)
+
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
                 val bundle = ActivityOptions.makeBasic()
                     .setPendingIntentBackgroundActivityStartMode(

system/src/main/java/io/github/sds100/keymapper/system/apps/TrampolineActivity.kt

@@ -0,0 +1,54 @@
+package io.github.sds100.keymapper.system.apps
+
+import android.app.ActivityOptions
+import android.app.KeyguardManager
+import android.app.PendingIntent
+import android.content.Intent
+import android.os.Build
+import android.os.Bundle
+import androidx.activity.ComponentActivity
+import androidx.core.os.BundleCompat
+
+/**
+ * Use an activity trampoline so that the keyguard is dismissed when launching activities from
+ * the lock screen.
+ */
+class TrampolineActivity : ComponentActivity() {
+    companion object {
+        const val EXTRA_INTENT = "io.github.sds100.keymapper.EXTRA_INTENT"
+    }
+
+    private val keyguardManager: KeyguardManager by lazy {
+        getSystemService(KeyguardManager::class.java)
+    }
+
+    override fun onCreate(savedInstanceState: Bundle?) {
+        super.onCreate(savedInstanceState)
+
+        keyguardManager.requestDismissKeyguard(this, null)
+
+        val intentExtras = intent?.extras ?: return finish()
+
+        val activityIntent: Intent? =
+            BundleCompat.getParcelable(intentExtras, EXTRA_INTENT, Intent::class.java)
+
+        if (activityIntent != null) {
+            val pendingIntent =
+                PendingIntent.getActivity(this, 0, activityIntent, PendingIntent.FLAG_IMMUTABLE)
+
+            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.UPSIDE_DOWN_CAKE) {
+                val bundle = ActivityOptions.makeBasic()
+                    .setPendingIntentBackgroundActivityStartMode(
+                        ActivityOptions.MODE_BACKGROUND_ACTIVITY_START_ALLOWED,
+                    )
+                    .toBundle()
+
+                pendingIntent.send(bundle)
+            } else {
+                pendingIntent.send()
+            }
+        }
+
+        finish()
+    }
+}