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Commit df6e980e authored by Dianne Hackborn's avatar Dianne Hackborn
Browse files

Add new supports-screens attributes for declaring the compatible screens. 

Change-Id: I40d57e4354e48accc1027c9f90916ea73eb5190d
android:requiresSmallestWidthDp provides the smallest supported width.
android:compatibleWidthLimitDp provides the largest compatible width.
parent 7a09f72b

api/current.xml

+43 −1
Original line number Diff line number Diff line
@@ -3128,6 +3128,17 @@ 
 visibility="public"

>

</field>

<field name="compatibleWidthLimitDp"

 type="int"

 transient="false"

 volatile="false"

 value="16843621"

 static="true"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</field>

<field name="completionHint"

 type="int"

 transient="false"
@@ -7913,6 +7924,17 @@ 
 visibility="public"

>

</field>

<field name="requiresSmallestWidthDp"

 type="int"

 transient="false"

 volatile="false"

 value="16843620"

 static="true"

 final="true"

 deprecated="not deprecated"

 visibility="public"

>

</field>

<field name="resizeMode"

 type="int"

 transient="false"
@@ -58670,6 +58692,16 @@ 
 visibility="public"

>

</field>

<field name="compatibleWidthLimitDp"

 type="int"

 transient="false"

 volatile="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

</field>

<field name="dataDir"

 type="java.lang.String"

 transient="false"
@@ -58760,6 +58792,16 @@ 
 visibility="public"

>

</field>

<field name="requiresSmallestWidthDp"

 type="int"

 transient="false"

 volatile="false"

 static="false"

 final="false"

 deprecated="not deprecated"

 visibility="public"

>

</field>

<field name="sharedLibraryFiles"

 type="java.lang.String[]"

 transient="false"
@@ -221191,7 +221233,7 @@ 
 deprecated="not deprecated"

 visibility="public"

>

<parameter name="ev" type="android.view.MotionEvent">

<parameter name="event" type="android.view.MotionEvent">

</parameter>

</method>

<method name="clear"

core/java/android/app/ActivityThread.java

+1 −1
Original line number Diff line number Diff line
@@ -1525,7 +1525,7 @@ public final class ActivityThread { 
        synchronized (this) {

            ContextImpl context = getSystemContext();

            context.init(new LoadedApk(this, "android", context, info,

                    new CompatibilityInfo(info, 0, false)), null, this);

                    new CompatibilityInfo(info, 0, 0, false)), null, this);

        }

    }

core/java/android/content/pm/ApplicationInfo.java

+24 −0
Original line number Diff line number Diff line
@@ -320,6 +320,22 @@ public class ApplicationInfo extends PackageItemInfo implements Parcelable { 
     */

    public int flags = 0;

    

    /**

     * The required smallest screen width the application can run on.  If 0,

     * nothing has been specified.  Comes from

     * {@link android.R.styleable#AndroidManifestSupportsScreens_requiresSmallestWidthDp

     * android:requiresSmallestWidthDp} attribute of the &lt;supports-screens&gt; tag.

     */

    public int requiresSmallestWidthDp = 0;



    /**

     * The maximum smallest screen width the application is designed for.  If 0,

     * nothing has been specified.  Comes from

     * {@link android.R.styleable#AndroidManifestSupportsScreens_compatibleWidthLimitDp

     * android:compatibleWidthLimitDp} attribute of the &lt;supports-screens&gt; tag.

     */

    public int compatibleWidthLimitDp = 0;



    /**

     * Full path to the location of this package.

     */
@@ -401,6 +417,8 @@ public class ApplicationInfo extends PackageItemInfo implements Parcelable { 
        pw.println(prefix + "taskAffinity=" + taskAffinity);

        pw.println(prefix + "uid=" + uid + " flags=0x" + Integer.toHexString(flags)

                + " theme=0x" + Integer.toHexString(theme));

        pw.println(prefix + "requiresSmallestWidthDp=" + requiresSmallestWidthDp

                + " compatibleWidthLimitDp=" + compatibleWidthLimitDp);

        pw.println(prefix + "sourceDir=" + sourceDir);

        if (sourceDir == null) {

            if (publicSourceDir != null) {
@@ -460,6 +478,8 @@ public class ApplicationInfo extends PackageItemInfo implements Parcelable { 
        className = orig.className;

        theme = orig.theme;

        flags = orig.flags;

        requiresSmallestWidthDp = orig.requiresSmallestWidthDp;

        compatibleWidthLimitDp = orig.compatibleWidthLimitDp;

        sourceDir = orig.sourceDir;

        publicSourceDir = orig.publicSourceDir;

        nativeLibraryDir = orig.nativeLibraryDir;
@@ -493,6 +513,8 @@ public class ApplicationInfo extends PackageItemInfo implements Parcelable { 
        dest.writeString(className);

        dest.writeInt(theme);

        dest.writeInt(flags);

        dest.writeInt(requiresSmallestWidthDp);

        dest.writeInt(compatibleWidthLimitDp);

        dest.writeString(sourceDir);

        dest.writeString(publicSourceDir);

        dest.writeString(nativeLibraryDir);
@@ -526,6 +548,8 @@ public class ApplicationInfo extends PackageItemInfo implements Parcelable { 
        className = source.readString();

        theme = source.readInt();

        flags = source.readInt();

        requiresSmallestWidthDp = source.readInt();

        compatibleWidthLimitDp = source.readInt();

        sourceDir = source.readString();

        publicSourceDir = source.readString();

        nativeLibraryDir = source.readString();

core/java/android/content/pm/PackageParser.java

+7 −0
Original line number Diff line number Diff line
@@ -993,6 +993,13 @@ public class PackageParser { 
                sa = res.obtainAttributes(attrs,

                        com.android.internal.R.styleable.AndroidManifestSupportsScreens);



                pkg.applicationInfo.requiresSmallestWidthDp = sa.getInteger(

                        com.android.internal.R.styleable.AndroidManifestSupportsScreens_requiresSmallestWidthDp,

                        0);

                pkg.applicationInfo.compatibleWidthLimitDp = sa.getInteger(

                        com.android.internal.R.styleable.AndroidManifestSupportsScreens_compatibleWidthLimitDp,

                        0);



                // This is a trick to get a boolean and still able to detect

                // if a value was actually set.

                supportsSmallScreens = sa.getInteger(

core/java/android/content/res/CompatibilityInfo.java

+93 −67
Original line number Diff line number Diff line
@@ -110,9 +110,34 @@ public class CompatibilityInfo implements Parcelable { 
     */

    public final float applicationInvertedScale;



    public CompatibilityInfo(ApplicationInfo appInfo, int screenLayout, boolean forceCompat) {

    public CompatibilityInfo(ApplicationInfo appInfo, int screenLayout, int sw,

            boolean forceCompat) {

        int compatFlags = 0;



        if (appInfo.requiresSmallestWidthDp != 0 || appInfo.compatibleWidthLimitDp != 0) {

            // New style screen requirements spec.

            int required = appInfo.requiresSmallestWidthDp != 0

                    ? appInfo.requiresSmallestWidthDp

                    : appInfo.compatibleWidthLimitDp;

            int compat = appInfo.compatibleWidthLimitDp != 0

                    ? appInfo.compatibleWidthLimitDp

                    : appInfo.requiresSmallestWidthDp;

            if (compat < required)  {

                compat = required;

            }



            if (compat >= sw) {

                compatFlags |= NEVER_COMPAT;

            } else if (forceCompat) {

                compatFlags |= NEEDS_SCREEN_COMPAT;

            }



            // Modern apps always support densities.

            applicationDensity = DisplayMetrics.DENSITY_DEVICE;

            applicationScale = 1.0f;

            applicationInvertedScale = 1.0f;



        } else {

            // We can't rely on the application always setting

            // FLAG_RESIZEABLE_FOR_SCREENS so will compute it based on various input.

            boolean anyResizeable = false;
@@ -191,6 +216,7 @@ public class CompatibilityInfo implements Parcelable { 
                applicationInvertedScale = 1.0f / applicationScale;

                compatFlags |= SCALING_REQUIRED;

            }

        }



        mCompatibilityFlags = compatFlags;

    }