luma_third_party: Add superclass AOSP build.
We release a patch that creates a build of AOSP that runs the same as
the standard build, but exports each View object's superclasses. This is
useful for analyzing view hierarchies and finding the origins of custom
Views.
Change-Id: I32c68cb5f030a02d46d70774d75c2bc97a357b21
diff --git a/aosp_superclasses/nexus6p/README.md b/aosp_superclasses/nexus6p/README.md
new file mode 100644
index 0000000..5214d83
--- /dev/null
+++ b/aosp_superclasses/nexus6p/README.md
@@ -0,0 +1,69 @@
+Contains a patch that can be applied to the platforms/base repository of the
+AOSP source code intended for the Nexus 6P device (android-6.0.1_r45).
+
+These instructions are modified from the [rico_aosp project](../rico_aosp/nexus6p/README.md)
+
+## Usage
+
+### Setting Up the Build Environment
+Instructions on the [AOSP website](https://source.android.com/source/initializing.html).
+
+### Downloading AOSP source
+```bash
+mkdir ~/android-6.0.1_r45
+cd ~/android-6.0.1_r45
+repo init -u https://android.googlesource.com/platform/manifest -b android-6.0.1_r45
+repo sync
+ ```
+
+### Patching the source files
+```bash
+cd frameworks/base
+patch -p1 < $JIRI_ROOT/experimental/projects/aosp_superclasses/nexus6p/patch/patch.diff
+ ```
+
+If you plan on installing Google Play services or other GmsCore apps on this
+build, you should also apply the following patch that fixes permission issues.
+```bash
+patch -p1 < vanadium/release/projects/luma_third_party/gapps_aosp_patch/patch.diff
+ ```
+
+### Downloading Nexus 6P binaries
+```bash
+cd ~/android-6.0.1_r45
+wget https://dl.google.com/dl/android/aosp/huawei-angler-3020518-2609fde4.tgz
+tar -xvzf huawei-angler-3020518-2609fde4.tgz
+./extract-huawei-angler.sh
+rm huawei-angler-3020518-2609fde4.tgz
+wget https://dl.google.com/dl/android/aosp/qcom-angler-3020518-c3c4c7af.tgz
+tar -xvzf qcom-angler-3020518-c3c4c7af.tgz
+./extract-qcom-angler.sh
+rm qcom-angler-3020518-c3c4c7af.tgz
+ ```
+
+### Building AOSP source for Angler (Nexus 6P)
+```bash
+source build/envsetup.sh
+lunch aosp_angler-eng
+make -j16 # Uses 16 threads.
+```
+
+The output will be in android-6.0.1_r45/out/target/product/angler/
+
+### Flashing a phone
+With the phone connected over USB the following:
+* Go to Settings and click on About Phone 7 times to enable developer mode.
+* Go to Settings > Developer Options and Enable USB Debugging.
+* If it is the first time you are flashing the device, you will have to
+unlock the device. Go to Settings > Developer Options and enable OEM Unlocking.
+* Then flash the build using:
+```bash
+adb reboot bootloader
+fastboot flashing unlock # Only needed for the first time to unlock the device.
+cd out/target/product/angler
+fastboot -w flashall
+```
+### Getting view hierarchies
+Use [Android Hierarchy Viewer](https://developer.android.com/studio/profile/hierarchy-viewer.html)
+from Android Studio by choosing Tools > Android > Android Device Monitor or
+click Android Device Monitor in the toolbar.
diff --git a/aosp_superclasses/nexus6p/patch/LICENSE b/aosp_superclasses/nexus6p/patch/LICENSE
new file mode 100644
index 0000000..ff5d186
--- /dev/null
+++ b/aosp_superclasses/nexus6p/patch/LICENSE
@@ -0,0 +1,337 @@
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diff --git a/aosp_superclasses/nexus6p/patch/README.google b/aosp_superclasses/nexus6p/patch/README.google
new file mode 100644
index 0000000..b536253
--- /dev/null
+++ b/aosp_superclasses/nexus6p/patch/README.google
@@ -0,0 +1,12 @@
+URL: https://android.googlesource.com/platform/frameworks/base/+archive/3df0241cc1b7b97c75be26ac5d30f20f9d7cf98e.tar.gz
+Version: 3df0241cc1b7b97c75be26ac5d30f20f9d7cf98e
+License: Apache License, Version 2.0
+License File: LICENSE
+
+Description:
+frameworks/base repository of the AOSP source code for Nexus 6P phones
+(android-6.0.1_r45)
+
+Local Modifications:
+Added a method that returns a View's superclasses, configured the build to
+export the ancestor classes in ViewDebug dumps.
diff --git a/aosp_superclasses/nexus6p/patch/patch.diff b/aosp_superclasses/nexus6p/patch/patch.diff
new file mode 100644
index 0000000..3908f44
--- /dev/null
+++ b/aosp_superclasses/nexus6p/patch/patch.diff
@@ -0,0 +1,34 @@
+
+project frameworks/base/
+diff --git a/core/java/android/view/View.java b/core/java/android/view/View.java
+index 720d9a8..abc02fa 100644
+--- a/core/java/android/view/View.java
++++ b/core/java/android/view/View.java
+@@ -7366,6 +7366,18 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
+ return getFitsSystemWindows();
+ }
+
++ /** @hide */
++ @ViewDebug.ExportedProperty
++ public String ancestorClasses() {
++ Class curClass = this.getClass();
++ String retVal = curClass.getName();
++ while (curClass != null) {
++ retVal += ',' + curClass.getName();
++ curClass = curClass.getSuperclass();
++ }
++ return retVal;
++ }
++
+ /**
+ * Ask that a new dispatch of {@link #fitSystemWindows(Rect)} be performed.
+ * @deprecated Use {@link #requestApplyInsets()} for newer platform versions.
+@@ -22528,6 +22540,8 @@ public class View implements Drawable.Callback, KeyEvent.Callback,
+ stream.addProperty("misc:enabled", isEnabled());
+ stream.addProperty("misc:soundEffectsEnabled", isSoundEffectsEnabled());
+ stream.addProperty("misc:hapticFeedbackEnabled", isHapticFeedbackEnabled());
++ stream.addProperty("misc:ancestorClasses", ancestorClasses());
++
+
+ // theme attributes
+ Resources.Theme theme = getContext().getTheme();
