java - 如何解决运行时错误 "Access denied finding property"？

Question

我正在做一个简单的计数器项目，您按下一个按钮，显示的数字将变为 +1 或 -1。我收到了 run time error表示:

E/libc: Access denied finding property "vendor.debug.egl.profiler"

这个错误来自哪里？可以做些什么来解决它？

package com.example.mtglifecounter;

import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.view.View;
import android.widget.Button;
import android.widget.TextView;

public class MainActivity extends AppCompatActivity {

Button counter1Up, counter1Down, counter2Up, counter2Down;
TextView lifeCount1, lifeCount2;


int life1 = 20;
int life2 = 20;

@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_main);

    setUI();

    counter1Up.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            life1 = life1+ 1;
            lifeCount1.setText(life1);
        }
    });

    counter1Down.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            life1 = life1 -1;
            lifeCount1.setText(life1);
        }
    });

    counter2Up.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            life2 = life2 + 1;
            lifeCount2.setText(life2);
        }
    });

    counter2Down.setOnClickListener(new View.OnClickListener() {
        @Override
        public void onClick(View v) {
            life2 = life2 - 1;
            lifeCount2.setText(life2);
        }
    });
}

public void setUI(){
    counter1Up = findViewById(R.id.counter1UpBTN);
    counter1Down = findViewById(R.id.counter1DownBTN);
    counter2Up = findViewById(R.id.counter2UpBTN);
    counter2Down = findViewById(R.id.counter2DownBTN);

    lifeCount1 = findViewById(R.id.counter1TV);
    lifeCount2 = findViewById(R.id.counter2TV);

    lifeCount1.setText("20");
    lifeCount2.setText("20");
}
}

这就是 Logcat 中出现的所有内容:

2019-01-21 21:12:49.524 22001-22049/com.example.mtglifecounter E/libc: Access denied finding property "vendor.debug.egl.profiler"

Answer 1

Where does this error come from?

Android SELinux(规则/配置，由 OEM 完成)

And what can be done to fix it?refer:

官方文件

Validating SELinux | Android Open Source Project

其他相关帖子

8.3.8. Allowing Access: audit2allow Red Hat Enterprise Linux 6 | Red Hat Customer Portal

Android SELinux avc dennied权限问题解决方法_缥缈孤鸿影的专栏-CSDN博客_avc denied

Android selinux 解决实例 - mojl - 博客园

需要使用 audit2allow和其他工具， 也许 finnaly 可以修复它。
更详细的解释可以引用 another post