diff --git a/cmds/flatland/Main.cpp b/cmds/flatland/Main.cpp
index 866203f..c47b0c8 100644
--- a/cmds/flatland/Main.cpp
+++ b/cmds/flatland/Main.cpp
@@ -206,8 +206,8 @@
 
 static const ShaderDesc shaders[] = {
     {
-        name: "Blit",
-        vertexShader: {
+        .name="Blit",
+        .vertexShader={
             "precision mediump float;",
             "",
             "attribute vec4 position;",
@@ -223,7 +223,7 @@
             "    texCoords = uvToTex * uv;",
             "}",
         },
-        fragmentShader: {
+        .fragmentShader={
             "#extension GL_OES_EGL_image_external : require",
             "precision mediump float;",
             "",
@@ -240,8 +240,8 @@
     },
 
     {
-        name: "Gradient",
-        vertexShader: {
+        .name="Gradient",
+        .vertexShader={
             "precision mediump float;",
             "",
             "attribute vec4 position;",
@@ -257,7 +257,7 @@
             "    interp = (uvToInterp * uv).x;",
             "}",
         },
-        fragmentShader: {
+        .fragmentShader={
             "precision mediump float;",
             "",
             "varying float interp;",
diff --git a/include/binder/PersistableBundle.h b/include/binder/PersistableBundle.h
index fe5619f..322fef9 100644
--- a/include/binder/PersistableBundle.h
+++ b/include/binder/PersistableBundle.h
@@ -18,6 +18,7 @@
 #define ANDROID_PERSISTABLE_BUNDLE_H
 
 #include <map>
+#include <set>
 #include <vector>
 
 #include <binder/Parcelable.h>
@@ -79,6 +80,19 @@
     bool getStringVector(const String16& key, std::vector<String16>* out) const;
     bool getPersistableBundle(const String16& key, PersistableBundle* out) const;
 
+    /* Getters for all keys for each value type */
+    std::set<String16> getBooleanKeys() const;
+    std::set<String16> getIntKeys() const;
+    std::set<String16> getLongKeys() const;
+    std::set<String16> getDoubleKeys() const;
+    std::set<String16> getStringKeys() const;
+    std::set<String16> getBooleanVectorKeys() const;
+    std::set<String16> getIntVectorKeys() const;
+    std::set<String16> getLongVectorKeys() const;
+    std::set<String16> getDoubleVectorKeys() const;
+    std::set<String16> getStringVectorKeys() const;
+    std::set<String16> getPersistableBundleKeys() const;
+
     friend bool operator==(const PersistableBundle& lhs, const PersistableBundle& rhs) {
         return (lhs.mBoolMap == rhs.mBoolMap && lhs.mIntMap == rhs.mIntMap &&
                 lhs.mLongMap == rhs.mLongMap && lhs.mDoubleMap == rhs.mDoubleMap &&
diff --git a/libs/binder/PersistableBundle.cpp b/libs/binder/PersistableBundle.cpp
index aef791c..a20359f 100644
--- a/libs/binder/PersistableBundle.cpp
+++ b/libs/binder/PersistableBundle.cpp
@@ -32,6 +32,9 @@
 using android::sp;
 using android::status_t;
 using android::UNEXPECTED_NULL;
+using std::map;
+using std::set;
+using std::vector;
 
 enum {
     // Keep in sync with BUNDLE_MAGIC in frameworks/base/core/java/android/os/BaseBundle.java.
@@ -55,12 +58,22 @@
 
 namespace {
 template <typename T>
-bool getValue(const android::String16& key, T* out, const std::map<android::String16, T>& map) {
+bool getValue(const android::String16& key, T* out, const map<android::String16, T>& map) {
     const auto& it = map.find(key);
     if (it == map.end()) return false;
     *out = it->second;
     return true;
 }
+
+template <typename T>
+set<android::String16> getKeys(const map<android::String16, T>& map) {
+    if (map.empty()) return set<android::String16>();
+    set<android::String16> keys;
+    for (const auto& key_value_pair : map) {
+        keys.emplace(key_value_pair.first);
+    }
+    return keys;
+}
 }  // namespace
 
 namespace android {
@@ -188,27 +201,27 @@
     mStringMap[key] = value;
 }
 
-void PersistableBundle::putBooleanVector(const String16& key, const std::vector<bool>& value) {
+void PersistableBundle::putBooleanVector(const String16& key, const vector<bool>& value) {
     erase(key);
     mBoolVectorMap[key] = value;
 }
 
-void PersistableBundle::putIntVector(const String16& key, const std::vector<int32_t>& value) {
+void PersistableBundle::putIntVector(const String16& key, const vector<int32_t>& value) {
     erase(key);
     mIntVectorMap[key] = value;
 }
 
-void PersistableBundle::putLongVector(const String16& key, const std::vector<int64_t>& value) {
+void PersistableBundle::putLongVector(const String16& key, const vector<int64_t>& value) {
     erase(key);
     mLongVectorMap[key] = value;
 }
 
-void PersistableBundle::putDoubleVector(const String16& key, const std::vector<double>& value) {
+void PersistableBundle::putDoubleVector(const String16& key, const vector<double>& value) {
     erase(key);
     mDoubleVectorMap[key] = value;
 }
 
-void PersistableBundle::putStringVector(const String16& key, const std::vector<String16>& value) {
+void PersistableBundle::putStringVector(const String16& key, const vector<String16>& value) {
     erase(key);
     mStringVectorMap[key] = value;
 }
@@ -238,23 +251,23 @@
     return getValue(key, out, mStringMap);
 }
 
-bool PersistableBundle::getBooleanVector(const String16& key, std::vector<bool>* out) const {
+bool PersistableBundle::getBooleanVector(const String16& key, vector<bool>* out) const {
     return getValue(key, out, mBoolVectorMap);
 }
 
-bool PersistableBundle::getIntVector(const String16& key, std::vector<int32_t>* out) const {
+bool PersistableBundle::getIntVector(const String16& key, vector<int32_t>* out) const {
     return getValue(key, out, mIntVectorMap);
 }
 
-bool PersistableBundle::getLongVector(const String16& key, std::vector<int64_t>* out) const {
+bool PersistableBundle::getLongVector(const String16& key, vector<int64_t>* out) const {
     return getValue(key, out, mLongVectorMap);
 }
 
-bool PersistableBundle::getDoubleVector(const String16& key, std::vector<double>* out) const {
+bool PersistableBundle::getDoubleVector(const String16& key, vector<double>* out) const {
     return getValue(key, out, mDoubleVectorMap);
 }
 
-bool PersistableBundle::getStringVector(const String16& key, std::vector<String16>* out) const {
+bool PersistableBundle::getStringVector(const String16& key, vector<String16>* out) const {
     return getValue(key, out, mStringVectorMap);
 }
 
@@ -262,6 +275,50 @@
     return getValue(key, out, mPersistableBundleMap);
 }
 
+set<String16> PersistableBundle::getBooleanKeys() const {
+    return getKeys(mBoolMap);
+}
+
+set<String16> PersistableBundle::getIntKeys() const {
+    return getKeys(mIntMap);
+}
+
+set<String16> PersistableBundle::getLongKeys() const {
+    return getKeys(mLongMap);
+}
+
+set<String16> PersistableBundle::getDoubleKeys() const {
+    return getKeys(mDoubleMap);
+}
+
+set<String16> PersistableBundle::getStringKeys() const {
+    return getKeys(mStringMap);
+}
+
+set<String16> PersistableBundle::getBooleanVectorKeys() const {
+    return getKeys(mBoolVectorMap);
+}
+
+set<String16> PersistableBundle::getIntVectorKeys() const {
+    return getKeys(mIntVectorMap);
+}
+
+set<String16> PersistableBundle::getLongVectorKeys() const {
+    return getKeys(mLongVectorMap);
+}
+
+set<String16> PersistableBundle::getDoubleVectorKeys() const {
+    return getKeys(mDoubleVectorMap);
+}
+
+set<String16> PersistableBundle::getStringVectorKeys() const {
+    return getKeys(mStringVectorMap);
+}
+
+set<String16> PersistableBundle::getPersistableBundleKeys() const {
+    return getKeys(mPersistableBundleMap);
+}
+
 status_t PersistableBundle::writeToParcelInner(Parcel* parcel) const {
     /*
      * To keep this implementation in sync with writeArrayMapInternal() in