Working with AOSP- Droidcon NY 2022

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W rk ng it A SP E e ar k (@C di gC ic )

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T lk ak - a ay : 4 A m e s , u t m e k - h a s u e g k g n t (i n A S !) 4 A e e t l m c a l c e - o e , repo a p "b o o " t i r o

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T lk ak - a ay : c nt. 4 I 's l T - t r r b b a , e s t o a D n a . A g a c ! 4 W m , S d S E l U a G !

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H w s nd oi O s ru tu ed

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● s .i . ● b .i . ● v .i . ● o .i .

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W at an e ui d OS f r?

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E ul to i ag s

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D vi e ma es

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h ://d e .g .c /a /d

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h ://l o .o /

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h ://w .l o .o /d /

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S w at an e ha ge?

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S w at re om e am le o c an es? 1. S p (i n a u o !)- d l r o e 2. S I / f r - a r t A 3. C S a / a B 4. H h f r i r (e.g a o b a )

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A SP s od ... L ts nd ot o c de J n m C/ C++ A e K p / l e ! 1 (g !) r o 1 +G s c

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S w at oo s o n ed?

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1. A in x ac in

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2. A re ty tr ng ac in h ://w .a n.b /p /2 -a -b - m /

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1. R D + T l

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4. G tL b h ://d .g .c /e /u /p /i / m t.h

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A SP oo in

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R po

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...

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e vs tu .s source build/envsetup.sh

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lunch

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B il s st m A dr id ak (A dr id.m ) S on (b ue ri t - A dr id.b )

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T ol r ca repo init repo sync source build/envsetup.sh lunch make -j

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A DE en om an

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N w... L t's al a ou d ve op en

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S h w o e o ha ? 1. E u (g ) p h S b 2. C e r i 3. S o p t h p m e (a h c c G ) 4. D l , o A S u w m h S i 5. P t!

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1. E be o r (n rm l, g ad e ui t pp) a p n he OS b il

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H ld n m nu e, h w id e o hi ? 1. C A .b o u A 2. A a n a m t l u w r o (e.g G , G ) 3. B A !

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A dr id.b android_app_import { name: "LottieLauncher", apk: "app-aosp.apk", certificate: "platform", privileged: true, }

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make -j

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1. E be o r (g ad e ui t pp) a p n he OS b il 2. C ea e n mu at r ma e

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1. C a i l t h e r i 2. E h i l t h d l n u c r 3. A p i m o A s a u l 4. C V t u i o A S !

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1. C ea e z p l w th he mu at r ma es T c mp le he dk it a l he up or in t ol make sdk sdk-repo

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F r om r as n, t is ne s he ne ha w rk ? make emu_image_zip R : s -r -l -s -i -e ..z

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1. C ea e z p l w th he mu at r ma es 2. E tr ct he ip l i to he dk oc ti n n ou c mp te

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1. C ea e z p l w th he mu at r ma es 2. E tr ct he ip l i to he dk oc ti n n ou c mp te 3. A d ro er ie x l or nd oi s ud o o ea y ur l

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p ck ge.x l 33 true google_apis Google APIs lottie Lottie x86_64 5 Lottie System Image Upside-down Cake ...

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1. C a i l t h e r i 2. E h i l t h d l n u c r ✅ 3. A p i m o A s a u l ✅ 4. C V t u i o A S ! ✅

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1. E be o r (g ad e ui t pp) a p n he OS b il 2. C ea e n mu at r ma e

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3. S gn ou pp it t e la fo m ey (a d he er i c te o G ad e) H i x .p k l t k k e h ://g .g .c /b l/ a 4 5 0 e

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signingConfigs { aosp { keyPassword keystoreProperties['password'] storeFile file(keystoreProperties['keystore']) storePassword keystoreProperties['password'] keyAlias = 'lottie_aosp' } }

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1. E be o r (g ad e ui t pp) a p n he OS b il 2. C ea e n mu at r ma e 3. S gn ou pp it t e la fo m ey (a d he er i c te o G ad e) 4. D pl y oc ll , f om nd oi S ud o n ur wn ac in t t e OS i ag

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A e e ro t ng?

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U er an le.j va /** @hide A user handle to indicate all users on the device */ @SystemApi public static final @NonNull UserHandle ALL = new UserHandle(USER_ALL);

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T e DK e om il a ai st oe n't no w c n cc ss t es A Is

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C ea in a us om DK it ou t e nn ta io s o om il a ai st. 1. U h c o h i d s (b a i p o s d t ) 2. S i m d e t h d i l g o m 3. C e e c r 4. C a l 5. M !

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1. U in t e la se f om he nt rm di te ta e m d s -r ~//o /t /c /o /J L E / f r i d /c -h .j

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2. S me ip ag c o ep ac t em nt t e dk ip l w g t ro m ke cd out/host/linux-x86/sdk/sdk/ ~//out/host/linux-x86/sdk/sdk/android-sdk_eng.effie_linux-x86/platforms/android-12$ mkdir tmp_sdk unzip android.jar -d tmp_sdk unzip ~//out/target/common/obj/JAVA_LIBRARIES/framework_intermediates/classes-header.jar -d tmp_sdk cd tmp_sdk/ jar cfMv ../android.jar .