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-rw-r--r--core/java/android/app/Instrumentation.java4
1 files changed, 4 insertions, 0 deletions
diff --git a/core/java/android/app/Instrumentation.java b/core/java/android/app/Instrumentation.java
index ac979c495cf3..3cc2b56cd846 100644
--- a/core/java/android/app/Instrumentation.java
+++ b/core/java/android/app/Instrumentation.java
@@ -381,6 +381,10 @@ public class Instrumentation {
* Force the global system in or out of touch mode. This can be used if your
* instrumentation relies on the UI being in one more or the other when it starts.
*
+ * <p><b>Note:</b> Starting from Android {@link Build.VERSION_CODES#TIRAMISU}, this method
+ * will only take effect if the instrumentation was sourced from a process with
+ * {@code MODIFY_TOUCH_MODE_STATE} internal permission granted (shell already have it).
+ *
* @param inTouch Set to true to be in touch mode, false to be in focus mode.
*/
public void setInTouchMode(boolean inTouch) {