[Android WebAPKs] Don't navigate WebAPK when launching it from launcher

chrome/android/webapk/shell_apk/src/org/chromium/webapk/shell_apk/MainActivity.java

 // Copyright 2015 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 package org.chromium.webapk.shell_apk;
 
 import android.app.Activity;
 import android.content.ActivityNotFoundException;
 import android.content.Intent;
-import android.content.pm.ApplicationInfo;
-import android.content.pm.PackageManager;
-import android.content.pm.PackageManager.NameNotFoundException;
 import android.net.Uri;
 import android.os.Bundle;
 import android.util.Log;
 
 import org.chromium.webapk.lib.common.WebApkConstants;
 import org.chromium.webapk.lib.common.WebApkMetaDataKeys;
 
 import java.net.URISyntaxException;
 
 /**
@@ skipping 37 matching lines @@
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
         launch();
         finish();
     }
 
     /**
      * Launches WebAPK.
      */
     private void launch() {
-        String startUrl = getStartUrl();
+        String overrideUrl = getOverrideUrl();
+        if (launchHostBrowserInWebApkMode(overrideUrl)) {
+            return;
+        }
+
+        String startUrl = overrideUrl;
+        if (startUrl == null) {
+            startUrl = getStartUrl();
+        }
         if (startUrl == null) {
             return;
         }
-        if (launchHostBrowserInWebApkMode(startUrl)) {
-            return;
-        }
         if (launchBrowser(startUrl)) {
             return;
         }
         installBrowser();
     }
 
     /**
      * Launches host browser in WebAPK mode.
      * @return True if successful.
      */
-    private boolean launchHostBrowserInWebApkMode(String startUrl) {
-        Log.v(TAG, "Url of the WebAPK: " + startUrl);
+    private boolean launchHostBrowserInWebApkMode(String overrideUrl) {
+        Log.v(TAG, "Url of the WebAPK: " + overrideUrl);
         String packageName = getPackageName();
         Log.v(TAG, "Package name of the WebAPK:" + packageName);
 
         String runtimeHost = WebApkUtils.getHostBrowserPackageName(this);
         int source = getIntent().getIntExtra(WebApkConstants.EXTRA_SOURCE, 0);
         Intent intent = new Intent();
         intent.setAction(ACTION_START_WEBAPK);
         intent.setPackage(runtimeHost);
-        intent.putExtra(WebApkConstants.EXTRA_URL, startUrl)
+        intent.putExtra(WebApkConstants.EXTRA_URL, overrideUrl)
                 .putExtra(WebApkConstants.EXTRA_SOURCE, source)
                 .putExtra(WebApkConstants.EXTRA_WEBAPK_PACKAGE_NAME, packageName);
 
         try {
             startActivity(intent);
             return true;
         } catch (ActivityNotFoundException e) {
             Log.w(TAG, "Unable to launch browser in WebAPK mode.");
             e.printStackTrace();
             return false;
@@ skipping 40 matching lines @@
         if (hostBrowserPackageName == null) {
             return;
         }
 
         try {
             startActivity(createInstallIntent(hostBrowserPackageName));
         } catch (ActivityNotFoundException e) {
         }
     }
 
+    /** Returns the URL in the data URL */
+    private String getOverrideUrl() {
+        String overrideUrl = getIntent().getDataString();
+        if (overrideUrl != null && overrideUrl.startsWith("https:")) {
+            return overrideUrl;
+        }
+        return null;
+    }
+
     /**
-     * Returns the URL that the browser should navigate to.
+     * Returns the start URL from the Android ManifesReturns the URL that the browser should

[dominickn, 2017/03/20 04:00:09]

Something went wrong with this comment here. Plus the semi-duplication between
getOverrideUrll() and getStartUrl() is strange.

[pkotwicz, 2017/03/20 22:58:37]

Fixed. Thank you very much for catching this

+     * navigate to.
      */
     private String getStartUrl() {
         String overrideUrl = getIntent().getDataString();
         if (overrideUrl != null && overrideUrl.startsWith("https:")) {
             return overrideUrl;
         }
 
-        ApplicationInfo appInfo;
-        try {
-            appInfo = getPackageManager().getApplicationInfo(
-                    getPackageName(), PackageManager.GET_META_DATA);
-        } catch (NameNotFoundException e) {
-            return null;
-        }
-        return appInfo.metaData.getString(WebApkMetaDataKeys.START_URL);
+        return getApplicationInfo().metaData.getString(WebApkMetaDataKeys.START_URL);
     }
 }