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Commit a0ed84b6 authored by TreeHugger Robot's avatar TreeHugger Robot Committed by Android (Google) Code Review
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Merge "Add config_reducedTaskSnapshotScale"

parents 091b2f99 e934da98

core/res/res/values/config.xml

+5 −0
Original line number Diff line number Diff line
@@ -2685,6 +2685,11 @@ 
    <!-- The amount to scale fullscreen snapshots for Overview and snapshot starting windows. -->

    <item name="config_fullTaskSnapshotScale" format="float" type="dimen">1.0</item>



    <!-- The amount to scale reduced scale snapshots for Overview and snapshot starting windows.

         Reduced scale snapshots are loaded before full screen snapshots to improve load times and

         minimize the chance the user will see an empty task card. -->

    <item name="config_reducedTaskSnapshotScale" format="float" type="dimen">0.5</item>



    <!-- Feature flag to store TaskSnapshot in 16 bit pixel format to save memory. -->

    <bool name="config_use16BitTaskSnapshotPixelFormat">false</bool>

core/res/res/values/symbols.xml

+1 −0
Original line number Diff line number Diff line
@@ -360,6 +360,7 @@ 
  <java-symbol type="bool" name="config_enableNewAutoSelectNetworkUI"/>

  <java-symbol type="bool" name="config_disableUsbPermissionDialogs"/>

  <java-symbol type="dimen" name="config_fullTaskSnapshotScale" />

  <java-symbol type="dimen" name="config_reducedTaskSnapshotScale" />

  <java-symbol type="bool" name="config_use16BitTaskSnapshotPixelFormat" />

  <java-symbol type="bool" name="config_hasRecents" />

  <java-symbol type="string" name="config_recentsComponentName" />

services/core/java/com/android/server/wm/TaskSnapshotPersister.java

+7 −3
Original line number Diff line number Diff line
@@ -52,7 +52,6 @@ class TaskSnapshotPersister { 
    private static final String TAG = TAG_WITH_CLASS_NAME ? "TaskSnapshotPersister" : TAG_WM;

    private static final String SNAPSHOTS_DIRNAME = "snapshots";

    private static final String REDUCED_POSTFIX = "_reduced";

    private static final float REDUCED_SCALE = .5f;

    private static final float LOW_RAM_REDUCED_SCALE = .8f;

    static final boolean DISABLE_FULL_SIZED_BITMAPS = ActivityManager.isLowRamDeviceStatic();

    private static final long DELAY_MS = 100;
@@ -84,8 +83,13 @@ class TaskSnapshotPersister { 


    TaskSnapshotPersister(WindowManagerService service, DirectoryResolver resolver) {

        mDirectoryResolver = resolver;

        mReducedScale = ActivityManager.isLowRamDeviceStatic()

                ? LOW_RAM_REDUCED_SCALE : REDUCED_SCALE;



        if (ActivityManager.isLowRamDeviceStatic()) {

            mReducedScale = LOW_RAM_REDUCED_SCALE;

        } else {

            mReducedScale = service.mContext.getResources().getFloat(

                    com.android.internal.R.dimen.config_reducedTaskSnapshotScale);

        }

        mUse16BitFormat = service.mContext.getResources().getBoolean(

                com.android.internal.R.bool.config_use16BitTaskSnapshotPixelFormat);

    }