下面列出了android.content.Intent#setPackage ( ) 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。
/**
* @return Intent that tells Chrome to bring an Activity for a particular Tab back to the
* foreground, or null if this isn't possible.
*/
public static Intent createBringTabToFrontIntent(int tabId) {
// Iterate through all {@link CustomTab}s and check whether the given tabId belongs to a
// {@link CustomTab}. If so, return null as the client app's task cannot be foregrounded.
List<WeakReference<Activity>> list = ApplicationStatus.getRunningActivities();
for (WeakReference<Activity> ref : list) {
Activity activity = ref.get();
if (activity instanceof CustomTabActivity
&& ((CustomTabActivity) activity).getActivityTab() != null
&& tabId == ((CustomTabActivity) activity).getActivityTab().getId()) {
return null;
}
}
String packageName = ContextUtils.getApplicationContext().getPackageName();
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.putExtra(Browser.EXTRA_APPLICATION_ID, packageName);
intent.putExtra(TabOpenType.BRING_TAB_TO_FRONT.name(), tabId);
intent.setPackage(packageName);
return intent;
}
private boolean connect() {
synchronized (this) {
if (!connecting) {
try {
ResolveInfo resolveInfo = context.getPackageManager().resolveService(searchIntent, 0);
if (resolveInfo != null) {
Intent intent = new Intent(bindAction);
intent.setPackage(resolveInfo.serviceInfo.packageName);
intent.setClassName(resolveInfo.serviceInfo.packageName, resolveInfo.serviceInfo.name);
connecting = context.bindService(intent, this, Context.BIND_AUTO_CREATE);
if (!connecting) Log.d(TAG, "Could not connect to: " + intent);
return connecting;
}
return false;
} catch (Exception e) {
Log.w(TAG, e);
}
}
return true;
}
}
private void startOrigin() {
Intent intent = new Intent(Intent.ACTION_MAIN);
intent.addCategory(Intent.CATEGORY_LAUNCHER);
intent.setPackage(LauncherApplication.getContext().getPackageName());
ResolveInfo resolveInfo = LauncherApplication.getContext().getPackageManager().resolveActivity(intent, 0);
if (resolveInfo == null) {
finish();
return;
}
String targetActivity = resolveInfo.activityInfo.name;
try {
Intent mainActivity = new Intent(this, Class.forName(targetActivity));
startActivity(mainActivity);
finish();
} catch (ClassNotFoundException e) {
LogUtil.e(TAG, "Catch java.lang.ClassNotFoundException: " + e.getMessage(), e);
}
}
/**
* This is used to check whether GSA package is available to handle search requests and if
* the Chrome experiment to do so is enabled.
* @return Whether the search intent this class creates will resolve to an activity.
*/
public boolean isGsaAvailable() {
if (mGsaAvailable != null) return mGsaAvailable;
mGsaAvailable = false;
PackageManager pm = mContext.getPackageManager();
Intent searchIntent = new Intent(SEARCH_INTENT_ACTION);
searchIntent.setPackage(GSAState.SEARCH_INTENT_PACKAGE);
List<ResolveInfo> resolveInfo = pm.queryIntentActivities(searchIntent, 0);
if (resolveInfo.size() == 0) {
mGsaAvailable = false;
} else if (!isPackageAboveVersion(SEARCH_INTENT_PACKAGE, GSA_VERSION_FOR_DOCUMENT)
|| !isPackageAboveVersion(GMS_CORE_PACKAGE, GMS_CORE_VERSION)) {
mGsaAvailable = false;
} else {
mGsaAvailable = true;
}
return mGsaAvailable;
}
@Override
public void onAttach(Activity activity) {
super.onAttach(activity);
Intent serviceIntent = new Intent(SipManager.INTENT_SIP_SERVICE);
// Optional, but here we bundle so just ensure we are using csipsimple package
serviceIntent.setPackage(activity.getPackageName());
getActivity().bindService(serviceIntent, connection,
Context.BIND_AUTO_CREATE);
// timings.addSplit("Bind asked for two");
if (prefsWrapper == null) {
prefsWrapper = new PreferencesWrapper(getActivity());
}
if (dialFeedback == null) {
dialFeedback = new DialingFeedback(getActivity(), false);
}
dialFeedback.resume();
}
/** @hide */
@RestrictTo(LIBRARY_GROUP)
@VisibleForTesting
static void launchIntent(Context context, Intent intent, List<ResolveInfo> handlers) {
if (handlers == null || handlers.size() == 0) {
openFallbackBrowserActionsMenu(context, intent);
return;
} else if (handlers.size() == 1) {
intent.setPackage(handlers.get(0).activityInfo.packageName);
} else {
Intent viewIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(TEST_URL));
PackageManager pm = context.getPackageManager();
ResolveInfo defaultHandler =
pm.resolveActivity(viewIntent, PackageManager.MATCH_DEFAULT_ONLY);
if (defaultHandler != null) {
String defaultPackageName = defaultHandler.activityInfo.packageName;
for (int i = 0; i < handlers.size(); i++) {
if (defaultPackageName.equals(handlers.get(i).activityInfo.packageName)) {
intent.setPackage(defaultPackageName);
break;
}
}
}
}
ContextCompat.startActivity(context, intent, null);
}
@Override
public ResolveInfo resolveActivity(Intent intent, int flags) {
ComponentName componentName = intent.getComponent();
Log.d(TAG,"resolveActivity" + componentName.getClassName());
intent.setComponent(new ComponentName(realPackageName,componentName.getClassName()));
intent.setPackage(realPackageName);
return packageManager.resolveActivity(intent,flags);
}
private void setPackageNameExtra(Intent intent) {
synchronized (mAppPendingIntentLock) {
if (mAppPendingIntent == null) {
Intent target = new Intent();
// Fill in the package, to prevent the intent from being used.
target.setPackage("com.google.example.invalidpackage");
mAppPendingIntent = PendingIntent.getBroadcast(
ContextUtils.getApplicationContext(), 0, target, 0);
}
}
intent.putExtra(INTENT_PARAM_APP, mAppPendingIntent);
}
/**
* Unregister the application. New messages will be blocked by server.
*/
private void unregister() {
Intent regIntent = new Intent(REQUEST_UNREGISTRATION_INTENT);
regIntent.setPackage(GSF_PACKAGE);
regIntent.putExtra(
EXTRA_APPLICATION_PENDING_INTENT, PendingIntent.getBroadcast(context, 0, new Intent(), 0));
setUnregisteringInProcess(true);
context.startService(regIntent);
}
public static void shareMessenger(String text, Context context) {
Intent sendIntent = new Intent();
sendIntent.setAction(Intent.ACTION_SEND);
sendIntent.putExtra(Intent.EXTRA_TEXT, text);
sendIntent.setType("text/plain");
sendIntent.setPackage("com.facebook.orca");
try {
context.startActivity(sendIntent);
} catch (android.content.ActivityNotFoundException ex) {
Toast.makeText(context, "Please Install Facebook Messenger", Toast.LENGTH_LONG).show();
}
}
private void AviateLauncher() {
Intent aviate = new Intent("com.tul.aviate.SET_THEME");
aviate.setPackage("com.tul.aviate");
aviate.putExtra("THEME_PACKAGE", BuildConfig.APPLICATION_ID);
aviate.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
openActivity(aviate);
}
@Override
public void startActivity(Intent intent) {
intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
List<ResolveInfo> resolveInfos = getPackageManager()
.queryIntentActivities(intent,
PackageManager.MATCH_DEFAULT_ONLY);
if (resolveInfos == null || resolveInfos.isEmpty()) {
intent.setPackage(mDelegatedService.getPackageName());
} else {
super.startActivity(intent);
return;
}
PluginClientManager.sharedInstance(this).startActivity(this, intent);
}
private static void enqueueWorkForCrashReportingService(String apiKey, String jsonPayload) {
Intent intent = new Intent(RaygunClient.getApplicationContext(), CrashReportingPostService.class);
intent.setAction("com.raygun.raygun4android.intent.action.LAUNCH_CRASHREPORTING_POST_SERVICE");
intent.setPackage("com.raygun.raygun4android");
intent.setComponent(new ComponentName(RaygunClient.getApplicationContext(), CrashReportingPostService.class));
intent.putExtra("msg", jsonPayload);
intent.putExtra("apikey", apiKey);
CrashReportingPostService.enqueueWork(RaygunClient.getApplicationContext(), intent);
}
private boolean startNotificationService() {
if (!isFeatureEnabled(FEATURE_NOTIFICATION)) {
return true;
}
LOGD(TAG, "startNotificationService() ");
Intent service = new Intent(mContext, VideoCastNotificationService.class);
service.setPackage(mContext.getPackageName());
return null != mContext.startService(service);
}
/**
* Returns an {@link android.content.Intent} suitable for passing to
* {@link android.app.Activity#startActivityForResult(android.content.Intent, int)}
* which prompts the user to grant permissions to this application.
*
* @throws NullPointerException if {@code permissions} is {@code null} or empty.
*
* @hide
*/
public Intent buildRequestPermissionsIntent(@NonNull String[] permissions) {
if (ArrayUtils.isEmpty(permissions)) {
throw new NullPointerException("permission cannot be null or empty");
}
Intent intent = new Intent(ACTION_REQUEST_PERMISSIONS);
intent.putExtra(EXTRA_REQUEST_PERMISSIONS_NAMES, permissions);
intent.setPackage(getPermissionControllerPackageName());
return intent;
}
@Override
public void onOpenInChrome(String linkUrl, String pageUrl) {
Intent chromeIntent = new Intent(Intent.ACTION_VIEW, Uri.parse(linkUrl));
chromeIntent.setPackage(mTab.getApplicationContext().getPackageName());
chromeIntent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
boolean activityStarted = false;
if (pageUrl != null) {
try {
URI pageUri = URI.create(pageUrl);
if (UrlUtilities.isInternalScheme(pageUri)) {
IntentHandler.startChromeLauncherActivityForTrustedIntent(chromeIntent);
activityStarted = true;
}
} catch (IllegalArgumentException ex) {
// Ignore the exception for creating the URI and launch the intent
// without the trusted intent extras.
}
}
if (!activityStarted) {
Context context = mTab.getActivity();
if (context == null) context = mTab.getApplicationContext();
context.startActivity(chromeIntent);
activityStarted = true;
}
}
/**
* Goes through all apps that handle VIEW intents and have a warmup service. Picks
* the one chosen by the user if there is one, otherwise makes a best effort to return a
* valid package name.
* <p>
* This is <strong>not</strong> threadsafe.
*
* @param context {@link Context} to use for accessing {@link PackageManager}.
* @return The package name recommended to use for connecting to custom tabs related components.
*/
public static String getPackageNameToUse(Context context) {
if (sPackageNameToUse != null) return sPackageNameToUse;
PackageManager pm = context.getPackageManager();
// Get default VIEW intent handler.
Intent activityIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://www.example.com"));
ResolveInfo defaultViewHandlerInfo = pm.resolveActivity(activityIntent, 0);
String defaultViewHandlerPackageName = null;
if (defaultViewHandlerInfo != null) {
defaultViewHandlerPackageName = defaultViewHandlerInfo.activityInfo.packageName;
}
// Get all apps that can handle VIEW intents.
List<ResolveInfo> resolvedActivityList = pm.queryIntentActivities(activityIntent, 0);
List<String> packagesSupportingCustomTabs = new ArrayList<>();
for (ResolveInfo info : resolvedActivityList) {
Intent serviceIntent = new Intent();
serviceIntent.setAction(CustomTabsService.ACTION_CUSTOM_TABS_CONNECTION);
serviceIntent.setPackage(info.activityInfo.packageName);
if (pm.resolveService(serviceIntent, 0) != null) {
packagesSupportingCustomTabs.add(info.activityInfo.packageName);
}
}
// Now packagesSupportingCustomTabs contains all apps that can handle both VIEW intents
// and service calls.
if (packagesSupportingCustomTabs.isEmpty()) {
sPackageNameToUse = null;
} else if (packagesSupportingCustomTabs.size() == 1) {
sPackageNameToUse = packagesSupportingCustomTabs.get(0);
} else if (!TextUtils.isEmpty(defaultViewHandlerPackageName)
&& !hasSpecializedHandlerIntents(context, activityIntent)
&& packagesSupportingCustomTabs.contains(defaultViewHandlerPackageName)) {
sPackageNameToUse = defaultViewHandlerPackageName;
} else if (packagesSupportingCustomTabs.contains(STABLE_PACKAGE)) {
sPackageNameToUse = STABLE_PACKAGE;
} else if (packagesSupportingCustomTabs.contains(BETA_PACKAGE)) {
sPackageNameToUse = BETA_PACKAGE;
} else if (packagesSupportingCustomTabs.contains(DEV_PACKAGE)) {
sPackageNameToUse = DEV_PACKAGE;
} else if (packagesSupportingCustomTabs.contains(LOCAL_PACKAGE)) {
sPackageNameToUse = LOCAL_PACKAGE;
}
return sPackageNameToUse;
}
private PendingIntent getActionIntent(Context context, int mediaKeyEvent) {
Intent intent = new Intent(Intent.ACTION_MEDIA_BUTTON);
intent.setPackage(context.getPackageName());
intent.putExtra(Intent.EXTRA_KEY_EVENT, new KeyEvent(KeyEvent.ACTION_DOWN, mediaKeyEvent));
return PendingIntent.getBroadcast(context, mediaKeyEvent, intent, 0);
}
/**
* Goes through all apps that handle VIEW intents and have a warmup service. Picks
* the one chosen by the user if there is one, otherwise makes a best effort to return a
* valid package name.
*
* This is <strong>not</strong> threadsafe.
*
* @param context {@link Context} to use for accessing {@link PackageManager}.
* @return The package name recommended to use for connecting to custom tabs related components.
*/
public static String getPackageNameToUse(Context context) {
if (sPackageNameToUse != null) return sPackageNameToUse;
PackageManager pm = context.getPackageManager();
// Get default VIEW intent handler.
Intent activityIntent = new Intent(Intent.ACTION_VIEW, Uri.parse("http://www.example.com"));
ResolveInfo defaultViewHandlerInfo = pm.resolveActivity(activityIntent, 0);
String defaultViewHandlerPackageName = null;
if (defaultViewHandlerInfo != null) {
defaultViewHandlerPackageName = defaultViewHandlerInfo.activityInfo.packageName;
}
// Get all apps that can handle VIEW intents.
List<ResolveInfo> resolvedActivityList = pm.queryIntentActivities(activityIntent, 0);
List<String> packagesSupportingCustomTabs = new ArrayList<>();
for (ResolveInfo info : resolvedActivityList) {
Intent serviceIntent = new Intent();
serviceIntent.setAction(CustomTabsService.ACTION_CUSTOM_TABS_CONNECTION);
serviceIntent.setPackage(info.activityInfo.packageName);
if (pm.resolveService(serviceIntent, 0) != null) {
packagesSupportingCustomTabs.add(info.activityInfo.packageName);
}
}
// Now packagesSupportingCustomTabs contains all apps that can handle both VIEW intents
// and service calls.
if (packagesSupportingCustomTabs.isEmpty()) {
sPackageNameToUse = null;
} else if (packagesSupportingCustomTabs.size() == 1) {
sPackageNameToUse = packagesSupportingCustomTabs.get(0);
} else if (!TextUtils.isEmpty(defaultViewHandlerPackageName)
&& !hasSpecializedHandlerIntents(context, activityIntent)
&& packagesSupportingCustomTabs.contains(defaultViewHandlerPackageName)) {
sPackageNameToUse = defaultViewHandlerPackageName;
} else if (packagesSupportingCustomTabs.contains(STABLE_PACKAGE)) {
sPackageNameToUse = STABLE_PACKAGE;
} else if (packagesSupportingCustomTabs.contains(BETA_PACKAGE)) {
sPackageNameToUse = BETA_PACKAGE;
} else if (packagesSupportingCustomTabs.contains(DEV_PACKAGE)) {
sPackageNameToUse = DEV_PACKAGE;
} else if (packagesSupportingCustomTabs.contains(LOCAL_PACKAGE)) {
sPackageNameToUse = LOCAL_PACKAGE;
}
return sPackageNameToUse;
}
private void sendTwitterIntent() {
log("current conditions sharing to twitter");
String twitterCondition = "";
String tweet = "";
if (condition.getGeneral_condition().equals(
getString(R.string.precipitation))) {
if (condition.getPrecipitation_type().equals(
getString(R.string.rain))) {
twitterCondition = "raining";
} else if (condition.getPrecipitation_type().equals(
getString(R.string.snow))) {
twitterCondition = "snowing";
} else if (condition.getPrecipitation_type().equals(
getString(R.string.hail))) {
twitterCondition = "hailing";
}
} else if (condition.getGeneral_condition().equals(
getString(R.string.cloudy))) {
twitterCondition = "cloudy";
} else if (condition.getGeneral_condition().equals(
getString(R.string.foggy))) {
twitterCondition = "foggy";
} else if (condition.getGeneral_condition().equals(
getString(R.string.thunderstorm))) {
twitterCondition = "thunderstorming";
} else if (condition.getGeneral_condition().equals(
getString(R.string.sunny))) {
twitterCondition = "clear";
} else {
twitterCondition = condition.getGeneral_condition();
}
if (condition.getGeneral_condition()
.equals(getString(R.string.extreme))) {
tweet = "#" + condition.getUser_comment() + " "
+ getString(R.string.currentConditionsTweet);
} else {
tweet = "It's #" + twitterCondition + " "
+ getString(R.string.currentConditionsTweet);
}
String tweetUrl = String
.format("https://twitter.com/intent/tweet?text=%s&url=%s",
URLEncoder.encode(tweet),
URLEncoder
.encode("http://bit.ly/1IvRM8w"));
Intent intent = new Intent(Intent.ACTION_VIEW, Uri.parse(tweetUrl));
// Narrow down to official Twitter app, if available:
List<ResolveInfo> matches = getPackageManager().queryIntentActivities(
intent, 0);
for (ResolveInfo info : matches) {
if (info.activityInfo.packageName.toLowerCase().startsWith(
"com.twitter")) {
intent.setPackage(info.activityInfo.packageName);
}
}
startActivity(intent);
}