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Added getStyleAttributes to access all Theme attributes.

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ViewDebug uses getStyleAttributes to get the attributes, and then gets the
attribute name and value so that Hierarchy Viewer can display it.

Bug: 17407087
Change-Id: I3577e32ae99668383701dc908bb46db14a75c3c4
This commit is contained in:
Jon Miranda
2014-09-03 17:57:35 -07:00
parent 836c0a8b94
commit 042ad633bc
4 changed files with 106 additions and 0 deletions
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1
core/java/android/content/res/AssetManager.java
View File

@@ -773,6 +773,7 @@ public final class AssetManager implements AutoCloseable {
private native final String[] getArrayStringResource(int arrayRes);
private native final int[] getArrayStringInfo(int arrayRes);
/*package*/ native final int[] getArrayIntResource(int arrayRes);
/*package*/ native final int[] getStyleAttributes(int themeRes);
private native final void init(boolean isSystem);
private native final void destroy();

10
core/java/android/content/res/Resources.java
View File

@@ -1571,6 +1571,16 @@ public class Resources {
return got;
}
/**
* Gets all of the attribute ids associated with this {@link Theme}. For debugging only.
*
* @return The int array containing attribute ids associated with this {@link Theme}.
* @hide
*/
public int[] getAllAttributes() {
return mAssets.getStyleAttributes(getAppliedStyleResId());
}
/**
* Returns the resources to which this theme belongs.
*

62
core/java/android/view/ViewDebug.java
View File

@@ -26,6 +26,7 @@ import android.os.Handler;
import android.os.RemoteException;
import android.util.DisplayMetrics;
import android.util.Log;
import android.util.TypedValue;
import java.io.BufferedOutputStream;
import java.io.BufferedWriter;
@@ -315,6 +316,7 @@ public class ViewDebug {
private static final String REMOTE_COMMAND_CAPTURE = "CAPTURE";
private static final String REMOTE_COMMAND_DUMP = "DUMP";
private static final String REMOTE_COMMAND_DUMP_THEME = "DUMP_THEME";
private static final String REMOTE_COMMAND_INVALIDATE = "INVALIDATE";
private static final String REMOTE_COMMAND_REQUEST_LAYOUT = "REQUEST_LAYOUT";
private static final String REMOTE_PROFILE = "PROFILE";
@@ -430,6 +432,8 @@ public class ViewDebug {
if (REMOTE_COMMAND_DUMP.equalsIgnoreCase(command)) {
dump(view, false, true, clientStream);
} else if (REMOTE_COMMAND_DUMP_THEME.equalsIgnoreCase(command)) {
dumpTheme(view, clientStream);
} else if (REMOTE_COMMAND_CAPTURE_LAYERS.equalsIgnoreCase(command)) {
captureLayers(view, new DataOutputStream(clientStream));
} else {
@@ -820,6 +824,64 @@ public class ViewDebug {
}
}
/**
* Dumps the theme attributes from the given View.
* @hide
*/
public static void dumpTheme(View view, OutputStream clientStream) throws IOException {
BufferedWriter out = null;
try {
out = new BufferedWriter(new OutputStreamWriter(clientStream, "utf-8"), 32 * 1024);
String[] attributes = getStyleAttributesDump(view.getContext().getResources(),
view.getContext().getTheme());
if (attributes != null) {
for (int i = 0; i < attributes.length; i += 2) {
if (attributes[i] != null) {
out.write(attributes[i] + "\n");
out.write(attributes[i + 1] + "\n");
}
}
}
out.write("DONE.");
out.newLine();
} catch (Exception e) {
android.util.Log.w("View", "Problem dumping View Theme:", e);
} finally {
if (out != null) {
out.close();
}
}
}
/**
* Gets the style attributes from the {@link Resources.Theme}. For debugging only.
*
* @param resources Resources to resolve attributes from.
* @param theme Theme to dump.
* @return a String array containing pairs of adjacent Theme attribute data: name followed by
* its value.
*
* @hide
*/
private static String[] getStyleAttributesDump(Resources resources, Resources.Theme theme) {
TypedValue outValue = new TypedValue();
String nullString = "null";
int i = 0;
int[] attributes = theme.getAllAttributes();
String[] data = new String[attributes.length * 2];
for (int attributeId : attributes) {
try {
data[i] = resources.getResourceName(attributeId);
data[i + 1] = theme.resolveAttribute(attributeId, outValue, true) ?
outValue.coerceToString().toString() : nullString;
i += 2;
} catch (Resources.NotFoundException e) {
// ignore resources we can't resolve
}
}
return data;
}
private static View findView(ViewGroup group, String className, int hashCode) {
if (isRequestedView(group, className, hashCode)) {
return group;

33
core/jni/android_util_AssetManager.cpp
View File

@@ -1888,6 +1888,37 @@ static jintArray android_content_AssetManager_getArrayIntResource(JNIEnv* env, j
return array;
}
static jintArray android_content_AssetManager_getStyleAttributes(JNIEnv* env, jobject clazz,
jint styleId)
{
AssetManager* am = assetManagerForJavaObject(env, clazz);
if (am == NULL) {
return NULL;
}
const ResTable& res(am->getResources());
const ResTable::bag_entry* startOfBag;
const ssize_t N = res.lockBag(styleId, &startOfBag);
if (N < 0) {
return NULL;
}
jintArray array = env->NewIntArray(N);
if (array == NULL) {
res.unlockBag(startOfBag);
return NULL;
}
Res_value value;
const ResTable::bag_entry* bag = startOfBag;
for (size_t i=0; ((ssize_t)i)<N; i++, bag++) {
int resourceId = bag->map.name.ident;
env->SetIntArrayRegion(array, i, 1, &resourceId);
}
res.unlockBag(startOfBag);
return array;
}
static void android_content_AssetManager_init(JNIEnv* env, jobject clazz, jboolean isSystem)
{
if (isSystem) {
@@ -2038,6 +2069,8 @@ static JNINativeMethod gAssetManagerMethods[] = {
(void*) android_content_AssetManager_getArrayStringInfo },
{ "getArrayIntResource","(I)[I",
(void*) android_content_AssetManager_getArrayIntResource },
{ "getStyleAttributes","(I)[I",
(void*) android_content_AssetManager_getStyleAttributes },
// Bookkeeping.
{ "init", "(Z)V",