Example usage for android.content.pm PackageManager getResourcesForActivity

Introduction

In this page you can find the example usage for android.content.pm PackageManager getResourcesForActivity.

Prototype

public abstract Resources getResourcesForActivity(ComponentName activityName) throws NameNotFoundException;

Source Link

Document

Retrieve the resources associated with an activity.

Usage

From source file:de.baumann.thema.RequestActivity.java

private Drawable getHighResIcon(PackageManager pm, ResolveInfo resolveInfo) {

    Resources resources;/*from www.j  a  v a  2 s .c om*/
    Drawable icon;

    try {
        ComponentName componentName = new ComponentName(resolveInfo.activityInfo.packageName,
                resolveInfo.activityInfo.name);

        resources = pm.getResourcesForActivity(componentName);//Get resources for the activity

        int iconId = resolveInfo.getIconResource();//Get the resource Id for the activity icon

        if (iconId != 0) {
            icon = resources.getDrawableForDensity(iconId, 640, null); //Loads the icon at xxhdpi resolution or lower.
            return icon;
        }
        return resolveInfo.loadIcon(pm);

    } catch (PackageManager.NameNotFoundException e) {
        return resolveInfo.loadIcon(pm);//If it fails return the normal icon
    } catch (Resources.NotFoundException e) {
        return resolveInfo.loadIcon(pm);
    }
}

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From source file:com.android.incallui.widget.multiwaveview.GlowPadView.java

/**
 * Searches the given package for a resource to use to replace the Drawable on the
 * target with the given resource id//from  w  w w  .j  a  va 2s . c  om
 * @param component of the .apk that contains the resource
 * @param name of the metadata in the .apk
 * @param existingResId the resource id of the target to search for
 * @return true if found in the given package and replaced at least one target Drawables
 */
public boolean replaceTargetDrawablesIfPresent(ComponentName component, String name, int existingResId) {
    if (existingResId == 0)
        return false;

    boolean replaced = false;
    if (component != null) {
        try {
            PackageManager packageManager = getContext().getPackageManager();
            // Look for the search icon specified in the activity meta-data
            Bundle metaData = packageManager.getActivityInfo(component, PackageManager.GET_META_DATA).metaData;
            if (metaData != null) {
                int iconResId = metaData.getInt(name);
                if (iconResId != 0) {
                    Resources res = packageManager.getResourcesForActivity(component);
                    replaced = replaceTargetDrawables(res, existingResId, iconResId);
                }
            }
        } catch (NameNotFoundException e) {
            Log.w(TAG, "Failed to swap drawable; " + component.flattenToShortString() + " not found", e);
        } catch (Resources.NotFoundException nfe) {
            Log.w(TAG, "Failed to swap drawable from " + component.flattenToShortString(), nfe);
        }
    }
    if (!replaced) {
        // Restore the original drawable
        replaceTargetDrawables(getContext().getResources(), existingResId, existingResId);
    }
    return replaced;
}

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From source file:com.android.launcher2.Launcher.java

private Drawable getExternalPackageToolbarIcon(ComponentName activityName, String resourceName) {
    try {//  w  w w  .ja v  a2  s .  co  m
        PackageManager packageManager = getPackageManager();
        // Look for the toolbar icon specified in the activity meta-data
        Bundle metaData = packageManager.getActivityInfo(activityName, PackageManager.GET_META_DATA).metaData;
        if (metaData != null) {
            int iconResId = metaData.getInt(resourceName);
            if (iconResId != 0) {
                Resources res = packageManager.getResourcesForActivity(activityName);
                return res.getDrawable(iconResId);
            }
        }
    } catch (NameNotFoundException e) {
        // This can happen if the activity defines an invalid drawable
        Log.w(TAG, "Failed to load toolbar icon; " + activityName.flattenToShortString() + " not found", e);
    } catch (Resources.NotFoundException nfe) {
        // This can happen if the activity defines an invalid drawable
        Log.w(TAG, "Failed to load toolbar icon from " + activityName.flattenToShortString(), nfe);
    }
    return null;
}

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