Add new command line option to change global screen size.

For example:

adb shell am display-size 1024x600

Change-Id: I5df462acd3323bdaaaefa3126faea7dd8595b726

1 files changed, 52 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 8a9144c..38cacdd 100644
--- a/cmds/am/src/com/android/commands/am/Am.java
+++ b/cmds/am/src/com/android/commands/am/Am.java
@@ -25,6 +25,7 @@ import android.app.IActivityManager;
 import android.app.IInstrumentationWatcher;
 import android.app.Instrumentation;
 import android.content.ComponentName;
+import android.content.Context;
 import android.content.IIntentReceiver;
 import android.content.Intent;
 import android.net.Uri;
@@ -109,6 +110,8 @@ public class Am {
             runMonitor();
         } else if (op.equals("screen-compat")) {
             runScreenCompat();
+        } else if (op.equals("display-size")) {
+            runDisplaySize();
         } else {
             throw new IllegalArgumentException("Unknown command: " + op);
         }
@@ -804,6 +807,53 @@ public class Am {
         } while (packageName != null);
     }
 
+    private void runDisplaySize() throws Exception {
+        String size = nextArgRequired();
+        int m, n;
+        if ("reset".equals(size)) {
+            m = n = -1;
+        } else {
+            int div = size.indexOf('x');
+            if (div <= 0 || div >= (size.length()-1)) {
+                System.err.println("Error: bad size " + size);
+                showUsage();
+                return;
+            }
+            String mstr = size.substring(0, div);
+            String nstr = size.substring(div+1);
+            try {
+                m = Integer.parseInt(mstr);
+                n = Integer.parseInt(nstr);
+            } catch (NumberFormatException e) {
+                System.err.println("Error: bad number " + e);
+                showUsage();
+                return;
+            }
+        }
+
+        if (m < n) {
+            int tmp = m;
+            m = n;
+            n = tmp;
+        }
+
+        IWindowManager wm = IWindowManager.Stub.asInterface(ServiceManager.checkService(
+                Context.WINDOW_SERVICE));
+        if (wm == null) {
+            System.err.println(NO_SYSTEM_ERROR_CODE);
+            throw new AndroidException("Can't connect to window manager; is the system running?");
+        }
+
+        try {
+            if (m >= 0 && n >= 0) {
+                wm.setForcedDisplaySize(m, n);
+            } else {
+                wm.clearForcedDisplaySize();
+            }
+        } catch (RemoteException e) {
+       }
+    }
+
     private class IntentReceiver extends IIntentReceiver.Stub {
         private boolean mFinished = false;
 
@@ -986,6 +1036,8 @@ public class Am {
                 "\n" +
                 "    control screen compatibility: am screen-compat [on|off] [package]\n" +
                 "\n" +
+                "    override display size: am display-size [reset|MxN]\n" +
+                "\n" +
                 "    <INTENT> specifications include these flags:\n" +
                 "        [-a <ACTION>] [-d <DATA_URI>] [-t <MIME_TYPE>]\n" +
                 "        [-c <CATEGORY> [-c <CATEGORY>] ...]\n" +