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Commit 21342c5c authored by Dianne Hackborn's avatar Dianne Hackborn
Browse files

Expand support for different screen sizes. 

Applications can now declare that they support small, normal, or
large screens.  Resource selection can also be done based on these
sizes.  By default, pre-Donut apps are false for small and large,
and Donut or later apps are assumed to support all sizes.  In either
case they can use <supports-screens> in their manifest to declare
what they actually support.
parent 955a6690

include/utils/ResourceTypes.h

+45 −5
Original line number Diff line number Diff line
@@ -866,7 +866,7 @@ struct ResTable_config 
            uint8_t keyboard;

            uint8_t navigation;

            uint8_t inputFlags;

            uint8_t pad0;

            uint8_t inputPad0;

        };

        uint32_t input;

    };
@@ -905,6 +905,23 @@ struct ResTable_config 
        uint32_t version;

    };

    

    enum {

        SCREENLAYOUT_ANY  = 0x0000,

        SCREENLAYOUT_SMALL = 0x0001,

        SCREENLAYOUT_NORMAL = 0x0002,

        SCREENLAYOUT_LARGE = 0x0003,

    };

    

    union {

        struct {

            uint8_t screenLayout;

            uint8_t screenConfigPad0;

            uint8_t screenConfigPad1;

            uint8_t screenConfigPad2;

        };

        uint32_t screenConfig;

    };

    

    inline void copyFromDeviceNoSwap(const ResTable_config& o) {

        const size_t size = dtohl(o.size);

        if (size >= sizeof(ResTable_config)) {
@@ -950,6 +967,8 @@ struct ResTable_config 
        diff = (int32_t)(screenSize - o.screenSize);

        if (diff != 0) return diff;

        diff = (int32_t)(version - o.version);

        if (diff != 0) return diff;

        diff = (int32_t)(screenLayout - o.screenLayout);

        return (int)diff;

    }
@@ -967,7 +986,8 @@ struct ResTable_config 
        CONFIG_ORIENTATION = 0x0080,

        CONFIG_DENSITY = 0x0100,

        CONFIG_SCREEN_SIZE = 0x0200,

        CONFIG_VERSION = 0x0400

        CONFIG_VERSION = 0x0400,

        CONFIG_SCREEN_LAYOUT = 0x0800

    };

    

    // Compare two configuration, returning CONFIG_* flags set for each value
@@ -985,6 +1005,7 @@ struct ResTable_config 
        if (navigation != o.navigation) diffs |= CONFIG_NAVIGATION;

        if (screenSize != o.screenSize) diffs |= CONFIG_SCREEN_SIZE;

        if (version != o.version) diffs |= CONFIG_VERSION;

        if (screenLayout != o.screenLayout) diffs |= CONFIG_SCREEN_LAYOUT;

        return diffs;

    }
@@ -1062,6 +1083,13 @@ struct ResTable_config 
            }

        }



        if (screenConfig || o.screenConfig) {

            if (screenLayout != o.screenLayout) {

                if (!screenLayout) return false;

                if (!o.screenLayout) return true;

            }

        }



        if (version || o.version) {

            if (sdkVersion != o.sdkVersion) {

                if (!sdkVersion) return false;
@@ -1191,6 +1219,12 @@ struct ResTable_config 
                }

            }



            if (screenConfig || o.screenConfig) {

                if ((screenLayout != o.screenLayout) && requested->screenLayout) {

                    return (screenLayout);

                }

            }



            if (version || o.version) {

                if ((sdkVersion != o.sdkVersion) && requested->sdkVersion) {

                    return (sdkVersion);
@@ -1282,6 +1316,12 @@ struct ResTable_config 
                return false;

            }

        }

        if (screenConfig != 0) {

            if (settings.screenLayout != 0 && screenLayout != 0

                && screenLayout != settings.screenLayout) {

                return false;

            }

        }

        if (version != 0) {

            if (settings.sdkVersion != 0 && sdkVersion != 0

                && sdkVersion != settings.sdkVersion) {
@@ -1310,13 +1350,13 @@ struct ResTable_config 


    String8 toString() const {

        char buf[200];

        sprintf(buf, "imsi=%d/%d lang=%c%c reg=%c%c orient=0x%02x touch=0x%02x dens=0x%02x "

                "kbd=0x%02x nav=0x%02x input=0x%02x screenW=0x%04x screenH=0x%04x vers=%d.%d",

        sprintf(buf, "imsi=%d/%d lang=%c%c reg=%c%c orient=%d touch=%d dens=%d "

                "kbd=%d nav=%d input=%d scrnW=%d scrnH=%d layout=%d vers=%d.%d",

                mcc, mnc,

                language[0] ? language[0] : '-', language[1] ? language[1] : '-',

                country[0] ? country[0] : '-', country[1] ? country[1] : '-',

                orientation, touchscreen, density, keyboard, navigation, inputFlags,

                screenWidth, screenHeight, sdkVersion, minorVersion);

                screenWidth, screenHeight, screenLayout, sdkVersion, minorVersion);

        return String8(buf);

    }

};

libs/utils/ResourceTypes.cpp

+3 −2
Original line number Diff line number Diff line
@@ -3919,7 +3919,7 @@ void ResTable::print(bool inclValues) const 
                        printf("      NON-INTEGER ResTable_type ADDRESS: %p\n", type);

                        continue;

                    }

                    printf("      config %d lang=%c%c cnt=%c%c orien=%d touch=%d density=%d key=%d infl=%d nav=%d w=%d h=%d\n",

                    printf("      config %d lang=%c%c cnt=%c%c orien=%d touch=%d density=%d key=%d infl=%d nav=%d w=%d h=%d lyt=%d\n",

                           (int)configIndex,

                           type->config.language[0] ? type->config.language[0] : '-',

                           type->config.language[1] ? type->config.language[1] : '-',
@@ -3932,7 +3932,8 @@ void ResTable::print(bool inclValues) const 
                           type->config.inputFlags,

                           type->config.navigation,

                           dtohs(type->config.screenWidth),

                           dtohs(type->config.screenHeight));

                           dtohs(type->config.screenHeight),

                           type->config.screenLayout);

                    size_t entryCount = dtohl(type->entryCount);

                    uint32_t entriesStart = dtohl(type->entriesStart);

                    if ((entriesStart&0x3) != 0) {