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workaround androidx jetifier #438

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auval wants to merge 3 commits into from
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workaround androidx jetifier #438

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b084c91
workaround androidx jetifier
Jan 2, 2019
c758d5d
lint fixes
Jan 3, 2019
77d4917
comment explaining the purpose of the workaround
Feb 24, 2019
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19 changes: 16 additions & 3 deletions library/java/net/openid/appauth/browser/BrowserSelector.java
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Original file line number Diff line number Diff line change
Expand Up @@ -27,7 +27,6 @@
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.annotation.VisibleForTesting;
import android.support.customtabs.CustomTabsService;

import java.util.ArrayList;
import java.util.Iterator;
Expand All @@ -50,10 +49,24 @@ public final class BrowserSelector {

/**
* The service we expect to find on a web browser that indicates it supports custom tabs.
*
* Workaround for Android Jetifier bug (https://issuetracker.google.com/issues/119183822)
*
* Problem: Projects that are using androidx are using a Jetifier compiler as a dependency.
* The Jetifier compiler is replacing "android.support" with "androidx" inside all the
* dependencies, AppAuth included. But "android.support" is still required by the platform in
* order to open a chrome tab. As a result - a chrome tab is not found, and an external browser
* is opened instead.
* Workaround: Using StringBuilder to create the string
* "android.support.customtabs.action.CustomTabsService" in runtime prevents the jetifier static
* regex from matching "android.support" in the compiled class, thus avoiding the androidx
* replacement.
*/
@SuppressWarnings("StringBufferReplaceableByString")
@VisibleForTesting
static final String ACTION_CUSTOM_TABS_CONNECTION =
CustomTabsService.ACTION_CUSTOM_TABS_CONNECTION;
static final String ACTION_CUSTOM_TABS_CONNECTION = new StringBuilder()
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.append("android.")
.append("support.customtabs.action.CustomTabsService").toString();

/**
* An arbitrary (but unregistrable, per
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