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private TelephonyManager tm;    private MylistenPhone listenPhone; //自定义toast土司    private void toast(String address) {        wm = (WindowManager) getSystemService(WINDOW_SERVICE);        //用代码创建的view//        view = new TextView(getApplicationContext());//        view.setText(address);//        view.setTextSize(22);//        view.setTextColor(Color.RED);//用xml创建的view        final View view = View.inflate(this, R.layout.addressshowbackground, null);        TextView tv = view.findViewById(R.id.tv_addressback);               view.setBackgroundResource(R.drawable.ic_launcher_background);//设置背景        tv.setText(address);        //设置窗体的参数        params = new WindowManager.LayoutParams();        params.height = WindowManager.LayoutParams.WRAP_CONTENT;        params.width = WindowManager.LayoutParams.WRAP_CONTENT;        params.gravity= Gravity.TOP+Gravity.LEFT;//土司的位置在左上        params.x=100;        params.y=100;        params.flags = WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE | WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON;        params.format = PixelFormat.TRANSLUCENT;      params.type = WindowManager.LayoutParams.TYPE_TOAST;              wm.addView(view, params);    }   wm.removeView(view);//移除窗体上的view

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