package com.growth.util;

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;
import java.io.File;

public class AppUtil {
    private static final String TAG = AppUtil.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]<BR>
     *
     * @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) {
        }
        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
     */
    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;
    }

}

add app util