Android获取应用程序名称

import java.io.File;

import android.content.Context;
import android.content.Intent;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.net.Uri;

public class ApkUtils {
	private static final String TAG = ApkUtils.class.getSimpleName();

	/**
	 * 获取应用程序名称
	 */
	public static String getAppName(Context context) {
		try {
			PackageManager packageManager = context.getPackageManager();
			PackageInfo packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
			int labelRes = packageInfo.applicationInfo.labelRes;
			return context.getResources().getString(labelRes);
		} catch (NameNotFoundException e) {
			e.printStackTrace();
		}
		return null;
	}

	/**
	 * [获取应用程序版本名称信息]
	 * 
	 * @param context
	 * @return 当前应用的版本名称
	 */
	public static String getVersionName(Context context) {
		try {
			PackageManager packageManager = context.getPackageManager();
			PackageInfo packageInfo = packageManager.getPackageInfo(context.getPackageName(), 0);
			return packageInfo.versionName;

		} catch (NameNotFoundException e) {
			// TODO Auto-generated catch block
			Logger.d(TAG, e.toString());
		}
		return null;
	}

	/**
	 * @return 当前程序的版本号
	 */
	public static int getVersionCode(Context context) {
		int version;
		try {
			PackageManager pm = context.getPackageManager();
			PackageInfo packageInfo = pm.getPackageInfo(context.getPackageName(), 0);
			version = packageInfo.versionCode;
		} catch (Exception e) {
			e.printStackTrace();
			version = 0;
		}
		return version;
	}

	/**
	 * 得到安装的intent
	 * @param apkFile
	 * @return
	 */
	public static Intent getInstallIntent(File apkFile) {
		Intent intent = new Intent();
		intent.setAction(Intent.ACTION_VIEW);
		intent.setDataAndType(Uri.fromFile(new File(apkFile.getAbsolutePath())),
				"application/vnd.android.package-archive");
		intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
		return intent;
	}

}