Prevent internal shake to report dialog from showing after locking.

app/src/main/java/org/thoughtcrime/securesms/shakereport/ShakeToReport.java

@@ -7,6 +7,8 @@ import android.widget.Toast;
 
 import androidx.annotation.NonNull;
 import androidx.appcompat.app.AlertDialog;
+import androidx.appcompat.app.AppCompatActivity;
+import androidx.lifecycle.Lifecycle;
 
 import com.google.android.material.dialog.MaterialAlertDialogBuilder;
 
@@ -36,7 +38,7 @@ public final class ShakeToReport implements ShakeDetector.Listener {
   private final Application   application;
   private final ShakeDetector detector;
 
-  private WeakReference<Activity> weakActivity;
+  private WeakReference<AppCompatActivity> weakActivity;
 
   public ShakeToReport(@NonNull Application application) {
     this.application  = application;
@@ -56,7 +58,7 @@ public final class ShakeToReport implements ShakeDetector.Listener {
     detector.stop();
   }
 
-  public void registerActivity(@NonNull Activity activity) {
+  public void registerActivity(@NonNull AppCompatActivity activity) {
     if (!SignalStore.internalValues().shakeToReport()) return;
 
     this.weakActivity = new WeakReference<>(activity);
@@ -66,12 +68,13 @@ public final class ShakeToReport implements ShakeDetector.Listener {
   public void onShakeDetected() {
     if (!SignalStore.internalValues().shakeToReport()) return;
 
-    Activity activity = weakActivity.get();
+    AppCompatActivity activity = weakActivity.get();
     if (activity == null) {
       Log.w(TAG, "No registered activity!");
       return;
     }
 
+    if (activity.getLifecycle().getCurrentState().isAtLeast(Lifecycle.State.RESUMED)) {
       disable();
 
       new MaterialAlertDialogBuilder(activity)
@@ -87,6 +90,7 @@ public final class ShakeToReport implements ShakeDetector.Listener {
           })
           .show();
     }
+  }
 
   private void submitLog(@NonNull Activity activity) {
     AlertDialog              spinner = SimpleProgressDialog.show(activity);