Example usage for android.content.res AssetManager addAssetPath

Introduction

In this page you can find the example usage for android.content.res AssetManager addAssetPath.

Prototype

@Deprecated
@UnsupportedAppUsage
public int addAssetPath(String path) 

Source Link

Usage

From source file:android.content.pm.PackageParser.java

/**
 * Utility method that retrieves lightweight details about a single APK
 * file, including package name, split name, and install location.
 *
 * @param apkFile path to a single APK/*from   www . j a v  a 2 s.  c o m*/
 * @param flags optional parse flags, such as
 *            {@link #PARSE_COLLECT_CERTIFICATES}
 */
public static ApkLite parseApkLite(File apkFile, int flags) throws PackageParserException {
    final String apkPath = apkFile.getAbsolutePath();

    AssetManager assets = null;
    XmlResourceParser parser = null;
    try {
        assets = new AssetManager();
        assets.setConfiguration(0, 0, null, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0,
                Build.VERSION.RESOURCES_SDK_INT);

        int cookie = assets.addAssetPath(apkPath);
        if (cookie == 0) {
            throw new PackageParserException(INSTALL_PARSE_FAILED_NOT_APK, "Failed to parse " + apkPath);
        }

        final DisplayMetrics metrics = new DisplayMetrics();
        metrics.setToDefaults();

        final Resources res = new Resources(assets, metrics, null);
        parser = assets.openXmlResourceParser(cookie, ANDROID_MANIFEST_FILENAME);

        final Signature[] signatures;
        if ((flags & PARSE_COLLECT_CERTIFICATES) != 0) {
            // TODO: factor signature related items out of Package object
            final Package tempPkg = new Package(null);
            collectCertificates(tempPkg, apkFile, 0);
            signatures = tempPkg.mSignatures;
        } else {
            signatures = null;
        }

        final AttributeSet attrs = parser;
        return parseApkLite(apkPath, res, parser, attrs, flags, signatures);

    } catch (XmlPullParserException | IOException | RuntimeException e) {
        throw new PackageParserException(INSTALL_PARSE_FAILED_UNEXPECTED_EXCEPTION,
                "Failed to parse " + apkPath, e);
    } finally {
        IoUtils.closeQuietly(parser);
        IoUtils.closeQuietly(assets);
    }
}

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From source file:android.content.pm.PackageParser.java

private static int loadApkIntoAssetManager(AssetManager assets, String apkPath, int flags)
        throws PackageParserException {
    if ((flags & PARSE_MUST_BE_APK) != 0 && !isApkPath(apkPath)) {
        throw new PackageParserException(INSTALL_PARSE_FAILED_NOT_APK, "Invalid package file: " + apkPath);
    }/*from  w ww.  j  av  a 2 s . c  om*/

    // The AssetManager guarantees uniqueness for asset paths, so if this asset path
    // already exists in the AssetManager, addAssetPath will only return the cookie
    // assigned to it.
    int cookie = assets.addAssetPath(apkPath);
    if (cookie == 0) {
        throw new PackageParserException(INSTALL_PARSE_FAILED_BAD_MANIFEST,
                "Failed adding asset path: " + apkPath);
    }
    return cookie;
}

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