电池电量不会更新其显示总是100％

Question

它在以下代码中显示应用程序上的100％电池请帮助解决此问题

int level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, -1);
            int scale = intent.getIntExtra(BatteryManager.EXTRA_SCALE, -1);
            int l = (level*100)/scale;
        Toast.makeText(context,""+l,Toast.LENGTH_LONG).show();
            if(l==100)
            {
                Globalveriable.level = l;
                Intent i = new Intent(context, Charged.class);
                i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                context.startActivity(i);
            }
            else if(l<100)
            {
                Globalveriable.level = l;
                Intent i = new Intent(context, Battery_screen.class);
                i.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK);
                context.startActivity(i);
            }

Answer 1

使用此代码：

  int level = intent.getIntExtra(BatteryManager.EXTRA_LEVEL, 0);   

Toast.makeText（上下文，＆＃34;剩余电池：＆＃34; +级+＆＃34;％＆＃34;，Toast.LENGTH_LONG）.show（）;