Android isAvailable method checks Custom Tab support

Author: Aitor Cubeles Torres

android/src/main/java/com/proyecto26/inappbrowser/RNInAppBrowser.java

@@ -6,6 +6,7 @@
 import android.app.Activity;
 import android.content.Context;
 import android.content.Intent;
+import android.content.pm.ResolveInfo;
 import android.graphics.Color;
 import android.provider.Browser;
 import androidx.annotation.Nullable;
@@ -23,6 +24,7 @@
 import org.greenrobot.eventbus.Subscribe;
 
 import java.util.regex.Pattern;
+import java.util.List;
 
 public class RNInAppBrowser {
   private final static String ERROR_CODE = "InAppBrowser";
@@ -162,6 +164,12 @@ public void close() {
         ChromeTabsManagerActivity.createDismissIntent(currentActivity));
   }
 
+  public void isAvailable(Context context, final Promise promise) {
+    Intent serviceIntent = new Intent("android.support.customtabs.action.CustomTabsService");
+    List<ResolveInfo> resolveInfos = context.getPackageManager().queryIntentServices(serviceIntent, 0);
+    promise.resolve(!(resolveInfos == null || resolveInfos.isEmpty()));
+  }
+
   @Subscribe
   public void onEvent(ChromeTabsDismissedEvent event) {
     unRegisterEventBus();

android/src/main/java/com/proyecto26/inappbrowser/RNInAppBrowserModule.java

@@ -33,4 +33,9 @@ public void open(final ReadableMap options, final Promise promise) {
   public void close() {
     inAppBrowser.close();
   }
+
+  @ReactMethod
+  public void isAvailable(final Promise promise) {
+    inAppBrowser.isAvailable(this.reactContext, promise);
+  }
 }

index.js

@@ -168,11 +168,7 @@ function _waitForRedirectAsync(returnUrl: string): Promise<RedirectResult> {
 }
 
 async function isAvailable(): Promise<boolean> {
-  if (Platform.OS === 'android') {
-    return Promise.resolve(true);
-  } else {
-    return RNInAppBrowser.isAvailable();
-  }
+  return RNInAppBrowser.isAvailable();
 }
 
 export default {