diff options
Diffstat (limited to 'core/java/android/app')
| -rw-r--r-- | core/java/android/app/ActivityManager.java | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/core/java/android/app/ActivityManager.java b/core/java/android/app/ActivityManager.java index f7e5cf1..93e30af 100644 --- a/core/java/android/app/ActivityManager.java +++ b/core/java/android/app/ActivityManager.java @@ -18,6 +18,7 @@ package android.app; import com.android.internal.app.IUsageStats; import com.android.internal.os.PkgUsageStats; +import com.android.internal.util.MemInfoReader; import android.content.ComponentName; import android.content.Context; @@ -28,6 +29,7 @@ import android.content.pm.IPackageDataObserver; import android.content.res.Configuration; import android.content.res.Resources; import android.graphics.Bitmap; +import android.graphics.Point; import android.os.Debug; import android.os.Handler; import android.os.Parcel; @@ -38,6 +40,8 @@ import android.os.SystemProperties; import android.text.TextUtils; import android.util.DisplayMetrics; import android.util.Log; +import android.util.Slog; +import android.view.Display; import java.util.ArrayList; import java.util.HashMap; @@ -206,6 +210,31 @@ public class ActivityManager { } /** + * Used by persistent processes to determine if they are running on a + * higher-end device so should be okay using hardware drawing acceleration + * (which tends to consume a lot more RAM). + * @hide + */ + static public boolean isHighEndGfx(Display display) { + MemInfoReader reader = new MemInfoReader(); + reader.readMemInfo(); + if (reader.getTotalSize() >= (512*1024*1024)) { + // If the device has at least 512MB RAM available to the kernel, + // we can afford the overhead of graphics acceleration. + return true; + } + Point p = new Point(); + display.getRealSize(p); + int pixels = p.x * p.y; + if (pixels >= (1024*600)) { + // If this is a sufficiently large screen, then there are enough + // pixels on it that we'd really like to use hw drawing. + return true; + } + return false; + } + + /** * Information you can retrieve about tasks that the user has most recently * started or visited. */ |