下面列出了android.content.IntentFilter#countActions ( ) 实例代码，或者点击链接到github查看源代码，也可以在右侧发表评论。
/**
* Register a receive for any local broadcasts that match the given IntentFilter.
*
* @param receiver The BroadcastReceiver to handle the broadcast.
* @param filter Selects the Intent broadcasts to be received.
*
* @see #unregisterReceiver
*/
public void registerReceiver(BroadcastReceiver receiver, IntentFilter filter) {
synchronized (mReceivers) {
ReceiverRecord entry = new ReceiverRecord(filter, receiver);
ArrayList<IntentFilter> filters = mReceivers.get(receiver);
if (filters == null) {
filters = new ArrayList<IntentFilter>(1);
mReceivers.put(receiver, filters);
}
filters.add(filter);
for (int i=0; i<filter.countActions(); i++) {
String action = filter.getAction(i);
ArrayList<ReceiverRecord> entries = mActions.get(action);
if (entries == null) {
entries = new ArrayList<ReceiverRecord>(1);
mActions.put(action, entries);
}
entries.add(entry);
}
}
}
public ArrayList<F> findFilters(IntentFilter matching) {
if (matching.countDataSchemes() == 1) {
// Fast case.
return collectFilters(mSchemeToFilter.get(matching.getDataScheme(0)), matching);
} else if (matching.countDataTypes() != 0 && matching.countActions() == 1) {
// Another fast case.
return collectFilters(mTypedActionToFilter.get(matching.getAction(0)), matching);
} else if (matching.countDataTypes() == 0 && matching.countDataSchemes() == 0
&& matching.countActions() == 1) {
// Last fast case.
return collectFilters(mActionToFilter.get(matching.getAction(0)), matching);
} else {
ArrayList<F> res = null;
for (F cur : mFilters) {
if (filterEquals(cur, matching)) {
if (res == null) {
res = new ArrayList<>();
}
res.add(cur);
}
}
return res;
}
}
public ArrayList<F> findFilters(IntentFilter matching) {
if (matching.countDataSchemes() == 1) {
// Fast case.
return collectFilters(mSchemeToFilter.get(matching.getDataScheme(0)), matching);
} else if (matching.countDataTypes() != 0 && matching.countActions() == 1) {
// Another fast case.
return collectFilters(mTypedActionToFilter.get(matching.getAction(0)), matching);
} else if (matching.countDataTypes() == 0 && matching.countDataSchemes() == 0
&& matching.countActions() == 1) {
// Last fast case.
return collectFilters(mActionToFilter.get(matching.getAction(0)), matching);
} else {
ArrayList<F> res = null;
for (F cur : mFilters) {
if (filterEquals(cur, matching)) {
if (res == null) {
res = new ArrayList<>();
}
res.add(cur);
}
}
return res;
}
}
public ArrayList<F> findFilters(IntentFilter matching) {
if (matching.countDataSchemes() == 1) {
// Fast case.
return collectFilters(mSchemeToFilter.get(matching.getDataScheme(0)), matching);
} else if (matching.countDataTypes() != 0 && matching.countActions() == 1) {
// Another fast case.
return collectFilters(mTypedActionToFilter.get(matching.getAction(0)), matching);
} else if (matching.countDataTypes() == 0 && matching.countDataSchemes() == 0 && matching.countActions() == 1) {
// Last fast case.
return collectFilters(mActionToFilter.get(matching.getAction(0)), matching);
} else {
ArrayList<F> res = null;
for (F cur : mFilters) {
if (filterEquals(cur, matching)) {
if (res == null) {
res = new ArrayList<>();
}
res.add(cur);
}
}
return res;
}
}
@Override
public void onCreate() {
super.onCreate();
if (DEBUG) Log.v(TAG, "onCreate:");
final Context app_context = getApplicationContext();
synchronized (mSync) {
mLocalBroadcastManager = LocalBroadcastManager.getInstance(getApplicationContext());
final IntentFilter filter = createIntentFilter();
if ((filter != null) && filter.countActions() > 0) {
mLocalBroadcastManager.registerReceiver(mLocalBroadcastReceiver, filter);
}
if (mAsyncHandler == null) {
mAsyncHandler = HandlerThreadHandler.createHandler(getClass().getSimpleName());
}
}
}
/**
* Register a receive for any local broadcasts that match the given IntentFilter.
*
* @param receiver The BroadcastReceiver to handle the broadcast.
* @param filter Selects the Intent broadcasts to be received.
* @see #unregisterReceiver
*/
public void registerReceiver(BroadcastReceiver receiver, IntentFilter filter) {
synchronized (mReceivers) {
ReceiverRecord entry = new ReceiverRecord(filter, receiver);
ArrayList<IntentFilter> filters = mReceivers.get(receiver);
if (filters == null) {
filters = new ArrayList<>(1);
mReceivers.put(receiver, filters);
}
filters.add(filter);
for (int i = 0; i < filter.countActions(); i++) {
String action = filter.getAction(i);
ArrayList<ReceiverRecord> entries = mActions.get(action);
if (entries == null) {
entries = new ArrayList<>(1);
mActions.put(action, entries);
}
entries.add(entry);
}
}
}
/**
* Register a receive for any local broadcasts that match the given IntentFilter.
*
* @param receiver The BroadcastReceiver to handle the broadcast.
* @param filter Selects the Intent broadcasts to be received.
*
* @see #unregisterReceiver
*/
public void registerReceiver(BroadcastReceiver receiver, IntentFilter filter) {
synchronized (mReceivers) {
ReceiverRecord entry = new ReceiverRecord(filter, receiver);
ArrayList<IntentFilter> filters = mReceivers.get(receiver);
if (filters == null) {
filters = new ArrayList<IntentFilter>(1);
mReceivers.put(receiver, filters);
}
filters.add(filter);
for (int i=0; i<filter.countActions(); i++) {
String action = filter.getAction(i);
ArrayList<ReceiverRecord> entries = mActions.get(action);
if (entries == null) {
entries = new ArrayList<ReceiverRecord>(1);
mActions.put(action, entries);
}
entries.add(entry);
}
}
}
public void unregisterReceiver(BroadcastReceiver receiver) {
synchronized (this.mReceivers) {
ArrayList<IntentFilter> filters = (ArrayList) this.mReceivers.remove(receiver);
if (filters == null) {
return;
}
for (int i = 0; i < filters.size(); i++) {
IntentFilter filter = (IntentFilter) filters.get(i);
for (int j = 0; j < filter.countActions(); j++) {
String action = filter.getAction(j);
ArrayList<ReceiverRecord> receivers = (ArrayList) this.mActions.get(action);
if (receivers != null) {
int k = 0;
while (k < receivers.size()) {
if (((ReceiverRecord) receivers.get(k)).receiver == receiver) {
receivers.remove(k);
k--;
}
k++;
}
if (receivers.size() <= 0) {
this.mActions.remove(action);
}
}
}
}
}
}
/**
* Unregister a previously registered BroadcastReceiver. <em>All</em>
* filters that have been registered for this BroadcastReceiver will be
* removed.
*
* @param receiver
* The BroadcastReceiver to unregister.
*
* @see #registerReceiver
*/
public void unregisterReceiver(BroadcastReceiver receiver) {
synchronized (mReceivers) {
ArrayList<IntentFilter> filters = mReceivers.remove(receiver);
if (filters == null) {
return;
}
for (int i = 0; i < filters.size(); i++) {
IntentFilter filter = filters.get(i);
for (int j = 0; j < filter.countActions(); j++) {
String action = filter.getAction(j);
ArrayList<ReceiverRecord> receivers = mActions.get(action);
if (receivers != null) {
for (int k = 0; k < receivers.size(); k++) {
if (receivers.get(k).receiver == receiver) {
receivers.remove(k);
k--;
}
}
if (receivers.size() <= 0) {
mActions.remove(action);
}
}
}
}
}
}
/**
* Unregister a previously registered BroadcastReceiver. <em>All</em>
* filters that have been registered for this BroadcastReceiver will be
* removed.
*
* @param receiver The BroadcastReceiver to unregister.
*
* @see #registerReceiver
*/
public void unregisterReceiver(BroadcastReceiver receiver) {
synchronized (mReceivers) {
ArrayList<IntentFilter> filters = mReceivers.remove(receiver);
if (filters == null) {
return;
}
for (int i=0; i<filters.size(); i++) {
IntentFilter filter = filters.get(i);
for (int j=0; j<filter.countActions(); j++) {
String action = filter.getAction(j);
ArrayList<ReceiverRecord> receivers = mActions.get(action);
if (receivers != null) {
for (int k=0; k<receivers.size(); k++) {
if (receivers.get(k).receiver == receiver) {
receivers.remove(k);
k--;
}
}
if (receivers.size() <= 0) {
mActions.remove(action);
}
}
}
}
}
}
@Override
public void regReceiver(String plugin, Map rcvFilMap) throws RemoteException {
PluginInfo pi = RePluginOS.getPlugin(plugin, false);
if (pi == null || pi.getFrameworkVersion() < 4) {
return;
}
HashMap<String, List<IntentFilter>> receiverFilterMap = (HashMap<String, List<IntentFilter>>) rcvFilMap;
// 遍历此插件中所有静态声明的 Receiver
for (HashMap.Entry<String, List<IntentFilter>> entry : receiverFilterMap.entrySet()) {
if (mReceiverProxy == null) {
mReceiverProxy = new PluginReceiverProxy();
mReceiverProxy.setActionPluginMap(mActionPluginComponents);
}
/* 保存 action-plugin-receiver 的关系 */
String receiver = entry.getKey();
List<IntentFilter> filters = entry.getValue();
if (filters != null) {
for (IntentFilter filter : filters) {
int actionCount = filter.countActions();
while (actionCount >= 1) {
saveAction(filter.getAction(actionCount - 1), plugin, receiver);
actionCount--;
}
// 注册 Receiver
mContext.registerReceiver(mReceiverProxy, filter);
}
}
}
}
public void unregisterReceiver(BroadcastReceiver receiver) {
HashMap var2 = this.mReceivers;
synchronized (this.mReceivers) {
ArrayList filters = (ArrayList) this.mReceivers.remove(receiver);
if (filters != null) {
for (int i = 0; i < filters.size(); ++i) {
IntentFilter filter = (IntentFilter) filters.get(i);
for (int j = 0; j < filter.countActions(); ++j) {
String action = filter.getAction(j);
ArrayList receivers = (ArrayList) this.mActions.get(action);
if (receivers != null) {
for (int k = 0; k < receivers.size(); ++k) {
if (((LocalBroadcastManager.ReceiverRecord) receivers.get(k)).receiver == receiver) {
receivers.remove(k);
--k;
}
}
if (receivers.size() <= 0) {
this.mActions.remove(action);
}
}
}
}
}
}
}
/**
* Creates a new IntentFilter, the product of both inputs.
*/
public static IntentFilter merge(IntentFilter a, IntentFilter b) {
IntentFilter both = new IntentFilter(a);
for (int i = 0, e = b.countActions(); i < e; ++i)
both.addAction(b.getAction(i));
return both;
}
/**
* Unregister a previously registered BroadcastReceiver. <em>All</em> filters that have been registered for this
* BroadcastReceiver will be removed.
*
* @param receiver
* The BroadcastReceiver to unregister.
*
* @see #registerReceiver
*/
public void unregisterReceiver(BroadcastReceiver receiver) {
synchronized (mReceivers) {
ArrayList<IntentFilter> filters = mReceivers.remove(receiver);
if (filters == null) {
return;
}
for (int i = 0; i < filters.size(); i++) {
IntentFilter filter = filters.get(i);
for (int j = 0; j < filter.countActions(); j++) {
String action = filter.getAction(j);
ArrayList<ReceiverRecord> receivers = mActions.get(action);
if (receivers != null) {
for (int k = 0; k < receivers.size(); k++) {
if (receivers.get(k).receiver == receiver) {
receivers.remove(k);
k--;
}
}
if (receivers.size() <= 0) {
mActions.remove(action);
}
}
}
}
}
}
/**
* Unregister a previously registered BroadcastReceiver. <em>All</em>
* filters that have been registered for this BroadcastReceiver will be
* removed.
*
* @param receiver The BroadcastReceiver to unregister.
*
* @see #registerReceiver
*/
public void unregisterReceiver(BroadcastReceiver receiver) {
synchronized (mReceivers) {
ArrayList<IntentFilter> filters = mReceivers.remove(receiver);
if (filters == null) {
return;
}
for (int i=0; i<filters.size(); i++) {
IntentFilter filter = filters.get(i);
for (int j=0; j<filter.countActions(); j++) {
String action = filter.getAction(j);
ArrayList<ReceiverRecord> receivers = mActions.get(action);
if (receivers != null) {
for (int k=0; k<receivers.size(); k++) {
if (receivers.get(k).receiver == receiver) {
receivers.remove(k);
k--;
}
}
if (receivers.size() <= 0) {
mActions.remove(action);
}
}
}
}
}
}
/**
* Unregister a previously registered BroadcastReceiver. <em>All</em>
* filters that have been registered for this BroadcastReceiver will be
* removed.
*
* @param receiver The BroadcastReceiver to unregister.
* @see #registerReceiver
*/
public void unregisterReceiver(BroadcastReceiver receiver) {
synchronized (mReceivers) {
ArrayList<IntentFilter> filters = mReceivers.remove(receiver);
if (filters == null) {
return;
}
for (int i = 0; i < filters.size(); i++) {
IntentFilter filter = filters.get(i);
for (int j = 0; j < filter.countActions(); j++) {
String action = filter.getAction(j);
ArrayList<ReceiverRecord> receivers = mActions.get(action);
if (receivers != null) {
for (int k = 0; k < receivers.size(); k++) {
if (receivers.get(k).receiver == receiver) {
receivers.remove(k);
k--;
}
}
if (receivers.size() <= 0) {
mActions.remove(action);
}
}
}
}
}
}
/**
* Unregister a previously registered BroadcastReceiver. <em>All</em>
* filters that have been registered for this BroadcastReceiver will be
* removed.
*
* @param receiver The BroadcastReceiver to unregister.
*
* @see #registerReceiver
*/
public void unregisterReceiver(BroadcastReceiver receiver) {
synchronized (mReceivers) {
ArrayList<IntentFilter> filters = mReceivers.remove(receiver);
if (filters == null) {
return;
}
for (int i=0; i<filters.size(); i++) {
IntentFilter filter = filters.get(i);
for (int j=0; j<filter.countActions(); j++) {
String action = filter.getAction(j);
ArrayList<ReceiverRecord> receivers = mActions.get(action);
if (receivers != null) {
for (int k=0; k<receivers.size(); k++) {
if (receivers.get(k).receiver == receiver) {
receivers.remove(k);
k--;
}
}
if (receivers.size() <= 0) {
mActions.remove(action);
}
}
}
}
}
}
/**
* Creates a new IntentFilter, the product of both inputs.
*/
public static IntentFilter merge(IntentFilter a, IntentFilter b) {
IntentFilter both = new IntentFilter(a);
for (int i = 0, e = b.countActions(); i < e; ++i)
both.addAction(b.getAction(i));
return both;
}
public static boolean filterEquals(IntentFilter f1, IntentFilter f2) {
int s1 = f1.countActions();
int s2 = f2.countActions();
if (s1 != s2) {
return false;
}
for (int i=0; i<s1; i++) {
if (!f2.hasAction(f1.getAction(i))) {
return false;
}
}
s1 = f1.countCategories();
s2 = f2.countCategories();
if (s1 != s2) {
return false;
}
for (int i=0; i<s1; i++) {
if (!f2.hasCategory(f1.getCategory(i))) {
return false;
}
}
s1 = f1.countDataTypes();
s2 = f2.countDataTypes();
if (s1 != s2) {
return false;
}
for (int i=0; i<s1; i++) {
if (!f2.hasExactDataType(f1.getDataType(i))) {
return false;
}
}
s1 = f1.countDataSchemes();
s2 = f2.countDataSchemes();
if (s1 != s2) {
return false;
}
for (int i=0; i<s1; i++) {
if (!f2.hasDataScheme(f1.getDataScheme(i))) {
return false;
}
}
s1 = f1.countDataAuthorities();
s2 = f2.countDataAuthorities();
if (s1 != s2) {
return false;
}
for (int i=0; i<s1; i++) {
if (!f2.hasDataAuthority(f1.getDataAuthority(i))) {
return false;
}
}
s1 = f1.countDataPaths();
s2 = f2.countDataPaths();
if (s1 != s2) {
return false;
}
for (int i=0; i<s1; i++) {
if (!f2.hasDataPath(f1.getDataPath(i))) {
return false;
}
}
s1 = f1.countDataSchemeSpecificParts();
s2 = f2.countDataSchemeSpecificParts();
if (s1 != s2) {
return false;
}
for (int i=0; i<s1; i++) {
if (!f2.hasDataSchemeSpecificPart(f1.getDataSchemeSpecificPart(i))) {
return false;
}
}
return true;
}
private boolean filterEquals(IntentFilter f1, IntentFilter f2) {
int s1 = f1.countActions();
int s2 = f2.countActions();
if (s1 != s2) {
return false;
}
for (int i = 0; i < s1; i++) {
if (!f2.hasAction(f1.getAction(i))) {
return false;
}
}
s1 = f1.countCategories();
s2 = f2.countCategories();
if (s1 != s2) {
return false;
}
for (int i = 0; i < s1; i++) {
if (!f2.hasCategory(f1.getCategory(i))) {
return false;
}
}
s1 = f1.countDataTypes();
s2 = f2.countDataTypes();
if (s1 != s2) {
return false;
}
s1 = f1.countDataSchemes();
s2 = f2.countDataSchemes();
if (s1 != s2) {
return false;
}
for (int i = 0; i < s1; i++) {
if (!f2.hasDataScheme(f1.getDataScheme(i))) {
return false;
}
}
s1 = f1.countDataAuthorities();
s2 = f2.countDataAuthorities();
if (s1 != s2) {
return false;
}
s1 = f1.countDataPaths();
s2 = f2.countDataPaths();
if (s1 != s2) {
return false;
}
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
s1 = f1.countDataSchemeSpecificParts();
s2 = f2.countDataSchemeSpecificParts();
if (s1 != s2) {
return false;
}
}
return true;
}