Example usage for android.app Activity createPackageContext

Introduction

In this page you can find the example usage for android.app Activity createPackageContext.

Prototype

@Override
    public Context createPackageContext(String packageName, int flags) throws PackageManager.NameNotFoundException 

Source Link

Usage

From source file:com.actionbarsherlock.internal.ActionBarSherlockCompat.java

private static int loadUiOptionsFromManifest(Activity activity) {
    int uiOptions = 0;
    try {//from   www.  j  av  a2  s.  co  m
        final String thisPackage = activity.getClass().getName();
        if (DEBUG)
            Log.i(TAG, "Parsing AndroidManifest.xml for " + thisPackage);

        final String packageName = activity.getApplicationInfo().packageName;
        final AssetManager am = activity.createPackageContext(packageName, 0).getAssets();
        final XmlResourceParser xml = am.openXmlResourceParser("AndroidManifest.xml");

        int eventType = xml.getEventType();
        while (eventType != XmlPullParser.END_DOCUMENT) {
            if (eventType == XmlPullParser.START_TAG) {
                String name = xml.getName();

                if ("application".equals(name)) {
                    //Check if the <application> has the attribute
                    if (DEBUG)
                        Log.d(TAG, "Got <application>");

                    for (int i = xml.getAttributeCount() - 1; i >= 0; i--) {
                        if (DEBUG)
                            Log.d(TAG, xml.getAttributeName(i) + ": " + xml.getAttributeValue(i));

                        if ("uiOptions".equals(xml.getAttributeName(i))) {
                            uiOptions = xml.getAttributeIntValue(i, 0);
                            break; //out of for loop
                        }
                    }
                } else if ("activity".equals(name)) {
                    //Check if the <activity> is us and has the attribute
                    if (DEBUG)
                        Log.d(TAG, "Got <activity>");
                    Integer activityUiOptions = null;
                    String activityPackage = null;
                    boolean isOurActivity = false;

                    for (int i = xml.getAttributeCount() - 1; i >= 0; i--) {
                        if (DEBUG)
                            Log.d(TAG, xml.getAttributeName(i) + ": " + xml.getAttributeValue(i));

                        //We need both uiOptions and name attributes
                        String attrName = xml.getAttributeName(i);
                        if ("uiOptions".equals(attrName)) {
                            activityUiOptions = xml.getAttributeIntValue(i, 0);
                        } else if ("name".equals(attrName)) {
                            activityPackage = cleanActivityName(packageName, xml.getAttributeValue(i));
                            if (!thisPackage.equals(activityPackage)) {
                                break; //out of for loop
                            }
                            isOurActivity = true;
                        }

                        //Make sure we have both attributes before processing
                        if ((activityUiOptions != null) && (activityPackage != null)) {
                            //Our activity, uiOptions specified, override with our value
                            uiOptions = activityUiOptions.intValue();
                        }
                    }
                    if (isOurActivity) {
                        //If we matched our activity but it had no logo don't
                        //do any more processing of the manifest
                        break;
                    }
                }
            }
            eventType = xml.nextToken();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    if (DEBUG)
        Log.i(TAG, "Returning " + Integer.toHexString(uiOptions));
    return uiOptions;
}

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From source file:com.actionbarsherlock.internal.widget.ActionBarView.java

/**
 * Attempt to programmatically load the logo from the manifest file of an
 * activity by using an XML pull parser. This should allow us to read the
 * logo attribute regardless of the platform it is being run on.
 *
 * @param activity Activity instance./*from www .  j av a  2  s  .c om*/
 * @return Logo resource ID.
 */
private static int loadLogoFromManifest(Activity activity) {
    int logo = 0;
    try {
        final String thisPackage = activity.getClass().getName();
        if (DEBUG)
            Log.i(TAG, "Parsing AndroidManifest.xml for " + thisPackage);

        final String packageName = activity.getApplicationInfo().packageName;
        final AssetManager am = activity.createPackageContext(packageName, 0).getAssets();
        final XmlResourceParser xml = am.openXmlResourceParser("AndroidManifest.xml");

        int eventType = xml.getEventType();
        while (eventType != XmlPullParser.END_DOCUMENT) {
            if (eventType == XmlPullParser.START_TAG) {
                String name = xml.getName();

                if ("application".equals(name)) {
                    //Check if the <application> has the attribute
                    if (DEBUG)
                        Log.d(TAG, "Got <application>");

                    for (int i = xml.getAttributeCount() - 1; i >= 0; i--) {
                        if (DEBUG)
                            Log.d(TAG, xml.getAttributeName(i) + ": " + xml.getAttributeValue(i));

                        if ("logo".equals(xml.getAttributeName(i))) {
                            logo = xml.getAttributeResourceValue(i, 0);
                            break; //out of for loop
                        }
                    }
                } else if ("activity".equals(name)) {
                    //Check if the <activity> is us and has the attribute
                    if (DEBUG)
                        Log.d(TAG, "Got <activity>");
                    Integer activityLogo = null;
                    String activityPackage = null;
                    boolean isOurActivity = false;

                    for (int i = xml.getAttributeCount() - 1; i >= 0; i--) {
                        if (DEBUG)
                            Log.d(TAG, xml.getAttributeName(i) + ": " + xml.getAttributeValue(i));

                        //We need both uiOptions and name attributes
                        String attrName = xml.getAttributeName(i);
                        if ("logo".equals(attrName)) {
                            activityLogo = xml.getAttributeResourceValue(i, 0);
                        } else if ("name".equals(attrName)) {
                            activityPackage = ActionBarSherlockCompat.cleanActivityName(packageName,
                                    xml.getAttributeValue(i));
                            if (!thisPackage.equals(activityPackage)) {
                                break; //on to the next
                            }
                            isOurActivity = true;
                        }

                        //Make sure we have both attributes before processing
                        if ((activityLogo != null) && (activityPackage != null)) {
                            //Our activity, logo specified, override with our value
                            logo = activityLogo.intValue();
                        }
                    }
                    if (isOurActivity) {
                        //If we matched our activity but it had no logo don't
                        //do any more processing of the manifest
                        break;
                    }
                }
            }
            eventType = xml.nextToken();
        }
    } catch (Exception e) {
        e.printStackTrace();
    }
    if (DEBUG)
        Log.i(TAG, "Returning " + Integer.toHexString(logo));
    return logo;
}

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