Android实用工具之二—APK工具

package net.hyww.utils;

import android.content.Context;
import android.content.Intent;
import android.content.pm.ApplicationInfo;
import android.content.pm.PackageManager;
import android.net.Uri;

/**
 * Created by wuqiqi on 15-11-12.
 */
public class APKTools {
    private static APKTools ourInstance = new APKTools();

    public static APKTools getInstance() {
        return ourInstance;
    }

    private APKTools() {
    }

    public void install(Context context, String filePath) {
        Intent intent = new Intent();
        intent.setAction(Intent.ACTION_VIEW);
        intent.setDataAndType(Uri.parse("file://" + filePath), "application/vnd.android.package-archive");
        intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
        context.startActivity(intent);
    }

   

public boolean isTopActivity(Context context) {
    ActivityManager activityManager = (ActivityManager) context
            .getSystemService(Context.ACTIVITY_SERVICE);
    List<ActivityManager.RunningAppProcessInfo> appProcesses = activityManager
            .getRunningAppProcesses();
    for (ActivityManager.RunningAppProcessInfo appProcess : appProcesses) {
        if (appProcess.processName.equals(context.getPackageName())) {
            if (appProcess.importance == ActivityManager.RunningAppProcessInfo.IMPORTANCE_FOREGROUND) {
                return true;
            }else{
                return false;
            }
        }
    }
    return false;
}

/**
 * 应用是否允许DEBUG状态
 * @param context
 * @return
 */
public boolean isDebuggable(Context context) {
    PackageManager pm = context.getPackageManager();
    try {
        return ((pm.getApplicationInfo(context.getPackageName(), 0).flags & ApplicationInfo.FLAG_DEBUGGABLE) > 0);
    } catch (PackageManager.NameNotFoundException e) {
        return false;
    }
}

}