Merge "Revert "Revert "Add view inflation device config property""" (bd3810b2) · Commits · e / os / android_frameworks_base

api/system-current.txt

+5 −0

Original line number	Diff line number	Diff line
		@@ -5779,6 +5779,11 @@ package android.provider {
		field public static final String PROPERTY_PERMISSIONS_HUB_ENABLED = "permissions_hub_enabled";
		}

		public static interface DeviceConfig.Runtime {
		field public static final String NAMESPACE = "runtime";
		field public static final String USE_PRECOMPILED_LAYOUT = "view.precompiled_layout_enabled";
		}

		public static interface DeviceConfig.RuntimeNative {
		field public static final String NAMESPACE = "runtime_native";
		}

core/java/android/provider/DeviceConfig.java

+15 −0

Original line number	Diff line number	Diff line
		@@ -122,6 +122,21 @@ public final class DeviceConfig {
		String MAX_SUGGESTIONS = "max_suggestions";
		}

		/**
		* Namespace for all runtime related features.
		*
		* @hide
		*/
		@SystemApi
		public interface Runtime {
		String NAMESPACE = "runtime";

		/**
		* Whether or not we use the precompiled layout.
		*/
		String USE_PRECOMPILED_LAYOUT = "view.precompiled_layout_enabled";
		}

		/**
		* Namespace for all runtime native related features.
		*

core/java/android/view/LayoutInflater.java

+20 −4

Original line number	Diff line number	Diff line
		@@ -33,6 +33,8 @@ import android.os.Handler;
		import android.os.Message;
		import android.os.SystemProperties;
		import android.os.Trace;
		import android.provider.DeviceConfig;
		import android.text.TextUtils;
		import android.util.AttributeSet;
		import android.util.Log;
		import android.util.TypedValue;
		@@ -80,8 +82,6 @@ public abstract class LayoutInflater {
		private static final String TAG = LayoutInflater.class.getSimpleName();
		private static final boolean DEBUG = false;

		private static final String USE_PRECOMPILED_LAYOUT_SYSTEM_PROPERTY
		= "view.precompiled_layout_enabled";
		private static final String COMPILED_VIEW_DEX_FILE_NAME = "/compiled_view.dex";

		/** Empty stack trace used to avoid log spam in re-throw exceptions. */
		@@ -412,8 +412,24 @@ public abstract class LayoutInflater {
		}

		private void initPrecompiledViews() {
		initPrecompiledViews(
		SystemProperties.getBoolean(USE_PRECOMPILED_LAYOUT_SYSTEM_PROPERTY, false));
		// Use the device config if enabled, otherwise default to the system property.
		String usePrecompiledLayout = null;
		try {
		usePrecompiledLayout = DeviceConfig.getProperty(
		DeviceConfig.Runtime.NAMESPACE,
		DeviceConfig.Runtime.USE_PRECOMPILED_LAYOUT);
		} catch (Exception e) {
		// May be caused by permission errors reading the property (i.e. instant apps).
		}
		boolean enabled = false;
		if (TextUtils.isEmpty(usePrecompiledLayout)) {
		enabled = SystemProperties.getBoolean(
		DeviceConfig.Runtime.USE_PRECOMPILED_LAYOUT,
		false);
		} else {
		enabled = Boolean.parseBoolean(usePrecompiledLayout);
		}
		initPrecompiledViews(enabled);
		}

		private void initPrecompiledViews(boolean enablePrecompiledViews) {