Show stacks underneath a resized stack

When a stack is resized, make sure any non-fullscreen stack beneath it
becomes visible. This may mean additional activities are resumed in the
process.

Bug: 19083171
Change-Id: I5e7a3f82d76932ea2b9dbf0324ea183c42ee5496

1 files changed, 16 insertions, 0 deletions

diff --git a/cmds/am/src/com/android/commands/am/Am.java b/cmds/am/src/com/android/commands/am/Am.java
index 2a0ed90..fb3d423 100644
--- a/cmds/am/src/com/android/commands/am/Am.java
+++ b/cmds/am/src/com/android/commands/am/Am.java
@@ -1735,6 +1735,22 @@ public class Am extends BaseCommand {
         int right = Integer.valueOf(rightStr);
         String bottomStr = nextArgRequired();
         int bottom = Integer.valueOf(bottomStr);
+        if (left < 0) {
+            System.err.println("Error: bad left arg: " + leftStr);
+            return;
+        }
+        if (top < 0) {
+            System.err.println("Error: bad top arg: " + topStr);
+            return;
+        }
+        if (right <= 0) {
+            System.err.println("Error: bad right arg: " + rightStr);
+            return;
+        }
+        if (bottom <= 0) {
+            System.err.println("Error: bad bottom arg: " + bottomStr);
+            return;
+        }
 
         try {
             mAm.resizeStack(stackId, new Rect(left, top, right, bottom));