Skip the cache when loading drawables from a foreign density (7941a7fd) · Commits · e / os / android_frameworks_base

core/java/android/content/res/Resources.java

+20 −7

Original line number	Diff line number	Diff line
		@@ -866,6 +866,11 @@ public class Resources {
		try {
		getValueForDensity(id, density, value, true);

		// If the drawable's XML lives in our current density qualifier,
		// it's okay to use a scaled version from the cache. Otherwise, we
		// need to actually load the drawable from XML.
		final boolean useCache = value.density == mMetrics.densityDpi;

		/*
		* Pretend the requested density is actually the display density. If
		* the drawable returned is not the requested density, then force it
		@@ -881,7 +886,7 @@ public class Resources {
		}
		}

		return loadDrawable(value, id, theme);
		return loadDrawable(value, id, theme, useCache);
		} finally {
		releaseTempTypedValue(value);
		}
		@@ -2437,6 +2442,12 @@ public class Resources {

		@Nullable
		Drawable loadDrawable(TypedValue value, int id, Theme theme) throws NotFoundException {
		return loadDrawable(value, id, theme, true);
		}

		@Nullable
		Drawable loadDrawable(TypedValue value, int id, Theme theme, boolean useCache)
		throws NotFoundException {
		try {
		if (TRACE_FOR_PRELOAD) {
		// Log only framework resources
		@@ -2463,16 +2474,17 @@ public class Resources {
		}

		// First, check whether we have a cached version of this drawable
		// that was inflated against the specified theme.
		if (!mPreloading) {
		// that was inflated against the specified theme. Skip the cache if
		// we're currently preloading or we're not using the cache.
		if (!mPreloading && useCache) {
		final Drawable cachedDrawable = caches.getInstance(key, theme);
		if (cachedDrawable != null) {
		return cachedDrawable;
		}
		}

		// Next, check preloaded drawables. These may contain unresolved theme
		// attributes.
		// Next, check preloaded drawables. Preloaded drawables may contain
		// unresolved theme attributes.
		final ConstantState cs;
		if (isColorDrawable) {
		cs = sPreloadedColorDrawables.get(key);
		@@ -2500,8 +2512,9 @@ public class Resources {
		}

		// If we were able to obtain a drawable, store it in the appropriate
		// cache: preload, not themed, null theme, or theme-specific.
		if (dr != null) {
		// cache: preload, not themed, null theme, or theme-specific. Don't
		// pollute the cache with drawables loaded from a foreign density.
		if (dr != null && useCache) {
		dr.setChangingConfigurations(value.changingConfigurations);
		cacheDrawable(value, isColorDrawable, caches, theme, canApplyTheme, key, dr);
		}