AppUtils.java

package xyz.yhsj.yhutils.phone;

import android.app.ActivityManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageInfo;
import android.content.pm.PackageManager;
import android.content.pm.PackageManager.NameNotFoundException;
import android.content.pm.ResolveInfo;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;

import xyz.yhsj.yhutils.logutils.LogUtils;

/**
 * APP 工具类<br>
 */
public class AppUtils {

    /**
     * 获得APP的名称
     *
     * @param context
     * @return
     */
    public static String getAppName(Context context) {
        if (context == null) {
            return null;
        }
        try {
            PackageManager packageManager = context.getPackageManager();
            PackageInfo packageInfo = packageManager.getPackageInfo(
                    context.getPackageName(), 0);
            int labelRes = packageInfo.applicationInfo.labelRes;
            String appName = context.getResources().getString(labelRes);
            LogUtils.i("APP名字：" + appName);
            return appName;
        } catch (NameNotFoundException e) {
            e.printStackTrace();
        }
        return null;
    }

    /**
     * need < uses-permission android:name =“android.permission.GET_TASKS” />
     * 判断是否前台运行
     */
    public static boolean isRunningForeground(Context context) {
        ActivityManager am = (ActivityManager) context.getSystemService(Context.ACTIVITY_SERVICE);
        List<ActivityManager.RunningTaskInfo> taskList = am.getRunningTasks(1);
        if (taskList != null && !taskList.isEmpty()) {
            ComponentName componentName = taskList.get(0).topActivity;
            if (componentName != null && componentName.getPackageName().equals(context.getPackageName())) {
                return true;
            }
        }
        return false;
    }


    /**
     * 获取应用程序包名
     */
    public static String getPackageName(Context context) {
        if (context == null) {
            LogUtils.e("getPackageName  context为空");
            return null;
        }
        String pkgName = context.getPackageName();
        LogUtils.i("APP包名：" + pkgName);
        return pkgName;
    }


    /**
     * 启动APK的默认Activity
     *
     * @param activity
     * @param packageName
     */
    public static void startApkActivity(final Context activity,
                                        String packageName) throws Exception {
        PackageManager pm = activity.getPackageManager();
        PackageInfo pi;

        pi = pm.getPackageInfo(packageName, 0);
        Intent intent = new Intent(Intent.ACTION_MAIN, null);
        intent.addCategory(Intent.CATEGORY_LAUNCHER);
        intent.setPackage(pi.packageName);

        List<ResolveInfo> apps = pm.queryIntentActivities(intent, 0);

        ResolveInfo ri = apps.iterator().next();
        if (ri != null) {
            String className = ri.activityInfo.name;
            intent.setComponent(new ComponentName(packageName, className));
            activity.startActivity(intent);
        }

    }

    /**
     * 获取应用程序下所有Activity
     *
     * @param activity
     * @return
     */
    public static ArrayList<String> getActivities(Context activity) {
        ArrayList<String> result = new ArrayList<String>();
        Intent intent = new Intent(Intent.ACTION_MAIN, null);
        intent.setPackage(activity.getPackageName());
        for (ResolveInfo info : activity.getPackageManager()
                .queryIntentActivities(intent, 0)) {
            result.add(info.activityInfo.name);
        }
        return result;
    }

    /**
     * 检查有没有应用程序来接受处理你发出的intent
     *
     * @param context
     * @param action
     * @return
     */
    public static boolean isIntentAvailable(Context context, String action) {
        final PackageManager packageManager = context.getPackageManager();
        final Intent intent = new Intent(action);
        List<ResolveInfo> list = packageManager.queryIntentActivities(intent,
                PackageManager.MATCH_DEFAULT_ONLY);
        return list.size() > 0;
    }

    /**
     * 获取所有app的安装路径
     *
     * @param context
     * @return ArrayList<HashMap<String, String>> package:包名,url:地址
     */
    public static ArrayList<HashMap<String, String>> getAllInstelAppUrl(
            Context context) {

        ArrayList<HashMap<String, String>> appInfos = new ArrayList<HashMap<String, String>>();

        PackageManager pm = context.getPackageManager();

        for (ApplicationInfo app : pm.getInstalledApplications(0)) {

            HashMap<String, String> appInfo = new HashMap<String, String>();
            appInfo.put("package", app.packageName);
            appInfo.put("url", app.sourceDir);
            appInfos.add(appInfo);
            LogUtils.d("package: " + app.packageName + ", sourceDir: "
                    + app.sourceDir);
        }

        return appInfos;
    }

    /**
     * 获取所有可启动app的包名
     *
     * @param context
     * @return ArrayList<String> 包名
     */
    public static ArrayList<String> getAllCanStartApp(Context context) {

        ArrayList<String> appInfos = new ArrayList<String>();

        PackageManager pm = context.getPackageManager();

        Intent intent = new Intent(Intent.ACTION_MAIN);
        intent.addCategory(Intent.CATEGORY_LAUNCHER);

        for (ResolveInfo app : pm.queryIntentActivities(intent, 0)) {

            appInfos.add(app.activityInfo.packageName);

            LogUtils.d("name" + app.activityInfo.name + "  package: "
                    + app.activityInfo.packageName);
        }

        return appInfos;
    }


}