Examples with MethodAdapter com.android.tools.layoutlib.create.MethodAdapter used on opensource projects

Example 6 with MethodAdapter

use of com.android.tools.layoutlib.create.MethodAdapter in project android_frameworks_base by crdroidandroid.

the class Bridge method init.

@Override
public boolean init(Map<String, String> platformProperties, File fontLocation, Map<String, Map<String, Integer>> enumValueMap, LayoutLog log) {
    sPlatformProperties = platformProperties;
    sEnumValueMap = enumValueMap;
    BridgeAssetManager.initSystem();
    // When DEBUG_LAYOUT is set and is not 0 or false, setup a default listener
    // on static (native) methods which prints the signature on the console and
    // throws an exception.
    // This is useful when testing the rendering in ADT to identify static native
    // methods that are ignored -- layoutlib_create makes them returns 0/false/null
    // which is generally OK yet might be a problem, so this is how you'd find out.
    //
    // Currently layoutlib_create only overrides static native method.
    // Static non-natives are not overridden and thus do not get here.
    final String debug = System.getenv("DEBUG_LAYOUT");
    if (debug != null && !debug.equals("0") && !debug.equals("false")) {
        OverrideMethod.setDefaultListener(new MethodAdapter() {

            @Override
            public void onInvokeV(String signature, boolean isNative, Object caller) {
                sDefaultLog.error(null, "Missing Stub: " + signature + (isNative ? " (native)" : ""), null);
                if (debug.equalsIgnoreCase("throw")) {
                    // throw it only if the environment variable is "throw" or "THROW".
                    throw new StaticMethodNotImplementedException(signature);
                }
            }
        });
    }
    // load the fonts.
    FontFamily_Delegate.setFontLocation(fontLocation.getAbsolutePath());
    MemoryMappedFile_Delegate.setDataDir(fontLocation.getAbsoluteFile().getParentFile());
    // the internal version), and put the content in the maps.
    try {
        Class<?> r = com.android.internal.R.class;
        // Parse the styleable class first, since it may contribute to attr values.
        parseStyleable();
        for (Class<?> inner : r.getDeclaredClasses()) {
            if (inner == com.android.internal.R.styleable.class) {
                // that are not referenced from styleables.
                continue;
            }
            String resTypeName = inner.getSimpleName();
            ResourceType resType = ResourceType.getEnum(resTypeName);
            if (resType != null) {
                Map<String, Integer> fullMap = null;
                switch(resType) {
                    case ATTR:
                        fullMap = sRevRMap.get(ResourceType.ATTR);
                        break;
                    case STRING:
                    case STYLE:
                        // Slightly less than thousand entries in each.
                        fullMap = new HashMap<String, Integer>(1280);
                    // no break.
                    default:
                        if (fullMap == null) {
                            fullMap = new HashMap<String, Integer>();
                        }
                        sRevRMap.put(resType, fullMap);
                }
                for (Field f : inner.getDeclaredFields()) {
                    // been altered by layoutlib_create, we only check static
                    if (!isValidRField(f)) {
                        continue;
                    }
                    Class<?> type = f.getType();
                    if (type.isArray()) {
                        // if the object is an int[] we put it in sRArrayMap using an IntArray
                        // wrapper that properly implements equals and hashcode for the array
                        // objects, as required by the map contract.
                        sRArrayMap.put(new IntArray((int[]) f.get(null)), f.getName());
                    } else {
                        Integer value = (Integer) f.get(null);
                        sRMap.put(value, Pair.of(resType, f.getName()));
                        fullMap.put(f.getName(), value);
                    }
                }
            }
        }
    } catch (Exception throwable) {
        if (log != null) {
            log.error(LayoutLog.TAG_BROKEN, "Failed to load com.android.internal.R from the layout library jar", throwable, null);
        }
        return false;
    }
    return true;
}