Java Code Examples for android.app.Activity#getComponentName()

/** @hide */
public AssistStructure(Activity activity, boolean forAutoFill, int flags) {
    mHaveData = true;
    mActivityComponent = activity.getComponentName();
    mFlags = flags;
    ArrayList<ViewRootImpl> views = WindowManagerGlobal.getInstance().getRootViews(
            activity.getActivityToken());
    for (int i=0; i<views.size(); i++) {
        ViewRootImpl root = views.get(i);
        if (root.getView() == null) {
            Log.w(TAG, "Skipping window with dettached view: " + root.getTitle());
            continue;
        }
        mWindowNodes.add(new WindowNode(this, root, forAutoFill, flags));
    }
}
 

final void handleCreate(String plugin, Activity activity, String container) {
    ComponentName cn = activity.getComponentName();
    if (cn != null) {
        container = cn.getClassName();
    }
    if (LOG) {
        LogDebug.d(PLUGIN_TAG, "PACM: activity created h=" + activity.hashCode() + " class=" + activity.getClass().getName() + " container=" + container);
    }
    synchronized (mLock) {
        HashMap<String, ActivityState> map = mStates;
        ActivityState state = map.get(container);
        if (state != null) {
            state.create(plugin, activity);
        }
    }
}
 

final void handleDestroy(Activity activity) {
    String container = null;
    //
    ComponentName cn = activity.getComponentName();
    if (cn != null) {
        container = cn.getClassName();
    }
    if (LOG) {
        LogDebug.d(PLUGIN_TAG, "PACM: activity destroy h=" + activity.hashCode() + " class=" + activity.getClass().getName() + " container=" + container);
    }
    if (container == null) {
        return;
    }
    synchronized (mLock) {
        HashMap<String, ActivityState> map = mStates;
        ActivityState state = map.get(container);
        if (state != null) {
            state.removeRef(activity);
        }
    }
}
 

/**
 * 是否是系统main activity
 *
 * @return boolean
 */
public static boolean isMainLaunchActivity(Activity activity) {
    PackageManager packageManager = activity.getApplication().getPackageManager();
    Intent intent = packageManager.getLaunchIntentForPackage(activity.getPackageName());
    if (intent == null) {
        return false;
    }
    ComponentName launchComponentName = intent.getComponent();
    ComponentName componentName = activity.getComponentName();
    if (launchComponentName != null && componentName.toString().equals(launchComponentName.toString())) {
        return true;
    }
    return false;
}
 

/**
 * Notify the host application a download should be done, or that the data
 * should be streamed if a streaming viewer is available.
 * 
 * @param activity
 *            Activity requesting the download.
 * @param url
 *            The full url to the content that should be downloaded
 * @param userAgent
 *            User agent of the downloading application.
 * @param contentDisposition
 *            Content-disposition http header, if present.
 * @param mimetype
 *            The mimetype of the content reported by the server
 * @param privateBrowsing
 *            If the request is coming from a private browsing tab.
 */
public static void onDownloadStart(Activity activity, String url, String userAgent,
		String contentDisposition, String mimetype, boolean privateBrowsing) {
	// if we're dealing wih A/V content that's not explicitly marked
	// for download, check if it's streamable.
	if (contentDisposition == null
			|| !contentDisposition.regionMatches(true, 0, "attachment", 0, 10)) {
		// query the package manager to see if there's a registered handler
		// that matches.
		Intent intent = new Intent(Intent.ACTION_VIEW);
		intent.setDataAndType(Uri.parse(url), mimetype);
		intent.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
		ResolveInfo info = activity.getPackageManager().resolveActivity(intent,
				PackageManager.MATCH_DEFAULT_ONLY);
		if (info != null) {
			ComponentName myName = activity.getComponentName();
			// If we resolved to ourselves, we don't want to attempt to
			// load the url only to try and download it again.
			if (!myName.getPackageName().equals(info.activityInfo.packageName)
					|| !myName.getClassName().equals(info.activityInfo.name)) {
				// someone (other than us) knows how to handle this mime
				// type with this scheme, don't download.
				try {
					activity.startActivity(intent);
					return;
				} catch (ActivityNotFoundException ex) {
					// Best behavior is to fall back to a download in this
					// case
				}
			}
		}
	}
	onDownloadStartNoStream(activity, url, userAgent, contentDisposition, mimetype,
			privateBrowsing);
}
 

private String fetchPluginByPitActivity(Activity a) {
    PluginContainers.ActivityState state = null;
    if (a.getComponentName() != null) {
        state = mPluginMgr.mClient.mACM.lookupByContainer(a.getComponentName().getClassName());
    }

    if (state != null) {
        return state.plugin;
    } else {
        return null;
    }
}
 

ComponentName getBaseActivity() {
    for (WeakReference<Activity> activityWeakReference : mRunningActivities) {
        if (activityWeakReference == null)
            continue;
        Activity tmpActivity = activityWeakReference.get();
        if (tmpActivity == null)
            continue;
        return tmpActivity.getComponentName();
    }
    return null;
}
 

private static ComponentName getComponentName() {
    if (!ApplicationStatus.hasVisibleActivities()) return null;

    Activity activity = ApplicationStatus.getLastTrackedFocusedActivity();
    if (activity instanceof ChromeTabbedActivity) {
        return activity.getComponentName();
    }

    return null;
}