android 悬浮通知

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public class FloatView {    TextView txtTitle;    TextView txtContent;    TextView txtTime;    private String keyWord;    private int type;    private static Bundle bundle;    private WindowManager wm;    private WindowManager.LayoutParams wmParams;    private View view;    private Context context;    CountDownTimer countDownTimer;    private long timeIndex = 6000;    private long timeTemp = 500;    private static FloatView floatView;    private JPushEntity jPushEntity;    public static FloatView getInstance(Bundle bundle, Context context) {        if (floatView == null) {            floatView = new FloatView(bundle, context);        }        floatView.bundle = bundle;        return floatView;    }    private FloatView() {    }    private FloatView(Bundle bundle, Context context) {        this.context = context;        this.bundle = bundle;    }    private void createWindowManager(View view) {        getWindowManager(view);    }    private WindowManager getWindowManager(View view) {        if (wm == null) {            wm = (WindowManager) context.getSystemService(context.WINDOW_SERVICE);            wm.addView(view, createLayoutParams());        } else {            wm.updateViewLayout(view, createLayoutParams());        }        return wm;    }    private WindowManager.LayoutParams createLayoutParams() {        if (wmParams == null) {            wmParams = new WindowManager.LayoutParams();            wmParams.type = WindowManager.LayoutParams.TYPE_TOAST;            wmParams.flags = WindowManager.LayoutParams.FLAG_NOT_TOUCH_MODAL | WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE;            /**             *这里的flags也很关键             *代码实际是wmParams.flags |= FLAG_NOT_FOCUSABLE;             *40的由来是wmParams的默认属性（32）+ FLAG_NOT_FOCUSABLE（8）             *///            wmParams.alpha= 0.89f;            wmParams.format = PixelFormat.TRANSPARENT;            wmParams.gravity = Gravity.TOP;            wmParams.width = WindowManager.LayoutParams.MATCH_PARENT;            wmParams.height = WindowManager.LayoutParams.WRAP_CONTENT;        }        return wmParams;    }    public void initViews() {        createView();        setData(bundle);        createWindowManager(view);        getCountDownTimer(timeIndex, timeTemp);        countDownTimer.start();    }    private void setData(Bundle bundle) {        String title = "", message = "";        jPushEntity = new JPushEntity(bundle);        type = jPushEntity.getType();        keyWord = jPushEntity.getKeyWord();        title = bundle.getString(JPushInterface.EXTRA_NOTIFICATION_TITLE);        message = bundle.getString(JPushInterface.EXTRA_ALERT);        createView();        txtTitle.setText(title);        txtContent.setText(message);        txtTime.setText(DateUtil.getCurrentTimeHHMM());    }    private View createView() {        if (view == null) {            LayoutInflater inflater = LayoutInflater.from(context);            view = inflater.inflate(R.layout.float_view_layout, null);            if(view!=null&&view.getBackground()!=null){            view.getBackground().setAlpha(204);//0~255透明度值             }            txtTitle = (TextView) view.findViewById(R.id.txt_title);            txtContent = (TextView) view.findViewById(R.id.txt_content);            txtTime = (TextView) view.findViewById(R.id.txt_time);        }        view.setOnClickListener(new View.OnClickListener() {            @Override            public void onClick(View v) {                dismiss();                ActivityUtils.JpushJump(context, type, keyWord);                JPushInterface.clearNotificationById(context, bundle.getInt(JPushInterface.EXTRA_NOTIFICATION_ID));            }        });        return view;    }    private void dismiss() {        if (wm != null && view != null) {            wm.removeView(view);        }        if (countDownTimer != null)            countDownTimer.cancel();        wm = null;        wmParams = null;        view = null;    }//    private CountDownTimer getCountTimerInstance(long timeIndex, long timeTemp) {//        if (countDownTimer != null) {//            countDownTimer.cancel();//        }//        countDownTimer = getCountDownTimer(timeIndex, timeTemp);//        return countDownTimer;//    }    private CountDownTimer getCountDownTimer(final long timeIndex, long timeTemp) {        if (countDownTimer != null) {            countDownTimer.cancel();        }        countDownTimer = new CountDownTimer(timeIndex, timeTemp) {            @Override            public void onTick(long millisUntilFinished) {            }            @Override            public void onFinish() {                dismiss();            }        };        return countDownTimer;    }}
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