Prepares the main looper for UiAutomator shell command.
The underlying UiAutomation object uses classes which expect
the main looper to have been prepared.
Fix: 289444999
Test: adb shell uiautomator dump
Test: Use go/hsv to take a snapshot
Change-Id: I43fcc4e9b4c1ab6e09aacd73f638208094641554
diff --git a/cmds/uiautomator/library/testrunner-src/com/android/uiautomator/core/UiAutomationShellWrapper.java b/cmds/uiautomator/library/testrunner-src/com/android/uiautomator/core/UiAutomationShellWrapper.java
index 39248730..7489ce3 100644
--- a/cmds/uiautomator/library/testrunner-src/com/android/uiautomator/core/UiAutomationShellWrapper.java
+++ b/cmds/uiautomator/library/testrunner-src/com/android/uiautomator/core/UiAutomationShellWrapper.java
@@ -8,6 +8,7 @@
import android.app.UiAutomationConnection;
import android.content.Intent;
import android.os.HandlerThread;
+import android.os.Looper;
import android.os.RemoteException;
/**
@@ -26,6 +27,10 @@
throw new IllegalStateException("Already connected!");
}
mHandlerThread.start();
+ // The AccessibilityInteractionClient used by UiAutomation expects the main looper to
+ // be prepared. In most contexts this is normally done automatically, but must be called
+ // explicitly here because this is a shell tool.
+ Looper.prepareMainLooper();
mUiAutomation = new UiAutomation(mHandlerThread.getLooper(),
new UiAutomationConnection());
mUiAutomation.connect();
