如何让Facebook Messenger的类似通知，像这样的机器人 [英] how to make facebook messenger like notification like this in Android

问题描述

我想执行的通知像在下面的图片。通知出现的任何时间。我认为这是理所当然的后台服务等待新的邮件从服务器，则表明这一点。我认为这是实现这一自定义UI对话的活动。我对么 ？而且它是从服务正常startActivity方法？怎么办的过渡动画，使其慢慢出现从左到右与缩放时显示出来？

I want to implement notification like the one in the following image. Notification appears any time. I think it's of course a background service waiting for new messages from the server then shows this. What I think this is an activity implemented as dialog with this custom UI. Am I correct ? And is it a normal startActivity method from the service ? and how to do the transition animation to make it appears slowly from left to right with zooming when show up ?.

多谢了。

推荐答案

看看这个链接 HTTP：//www.piwai。信息/ chatheads-基础/ 。他提供了有关如何添加到您的屏幕上的信息。

Check out this link http://www.piwai.info/chatheads-basics/. He provides information about how to add them on your screen.

关键是要增加一个查看到窗口管理器像下面code

The trick is to add a View to the WindowManager like following code

private WindowManager windowManager;
private ImageView chatHead;

public void addView()
{
  windowManager = (WindowManager) getSystemService(WINDOW_SERVICE);

  chatHead = new ImageView(this);
  chatHead.setImageResource(R.drawable.android_head);

  WindowManager.LayoutParams params = new WindowManager.LayoutParams(
    WindowManager.LayoutParams.WRAP_CONTENT,
    WindowManager.LayoutParams.WRAP_CONTENT,
    WindowManager.LayoutParams.TYPE_PHONE,
    WindowManager.LayoutParams.FLAG_NOT_FOCUSABLE,
    PixelFormat.TRANSLUCENT);

  params.gravity = Gravity.TOP | Gravity.LEFT;
  params.x = 0;
  params.y = 100;

  windowManager.addView(chatHead, params);
}

不要忘了添加的权限＆LT;使用-权限的Andr​​oid：名称=android.permission.SYSTEM_ALERT_WINDOW/＆GT;

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