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Android Toast详解

时间:2015-01-22 20:09:16      阅读:244      评论:0      收藏:0      [点我收藏+]

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 Toast是Android中用来显示显示信息的一种机制,和Dialog不一样的是,Toast是没有焦点的,而且Toast显示的时间有限,过一定的时间就会自动消失。

1.默认效果:

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代码:

Toast.makeText(getApplicationContext(), "默认Toast样式",
     Toast.LENGTH_SHORT).show();

2.自定义显示位置效果:

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代码:

toast = Toast.makeText(getApplicationContext(),
     "自定义位置Toast", Toast.LENGTH_LONG);
   toast.setGravity(Gravity.CENTER, 0, 0);
   toast.show();

 3.带图片效果:

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代码:

toast = Toast.makeText(getApplicationContext(),
     "带图片的Toast", Toast.LENGTH_LONG);
   toast.setGravity(Gravity.CENTER, 0, 0);
   LinearLayout toastView = (LinearLayout) toast.getView();
   ImageView imageCodeProject = new ImageView(getApplicationContext());
   imageCodeProject.setImageResource(R.drawable.icon);
   toastView.addView(imageCodeProject, 0);
   toast.show();

4.完全自定义效果:

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代码:

LayoutInflater inflater = getLayoutInflater();
   View layout = inflater.inflate(R.layout.custom,
     (ViewGroup) findViewById(R.id.llToast));
   ImageView image = (ImageView) layout
     .findViewById(R.id.tvImageToast);
   image.setImageResource(R.drawable.icon);
   TextView title = (TextView) layout.findViewById(R.id.tvTitleToast);
   title.setText("Attention");
   TextView text = (TextView) layout.findViewById(R.id.tvTextToast);
   text.setText("完全自定义Toast");
   toast = new Toast(getApplicationContext());
   toast.setGravity(Gravity.RIGHT | Gravity.TOP, 12, 40);
   toast.setDuration(Toast.LENGTH_LONG);
   toast.setView(layout);
   toast.show();

5.其他线程:

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 代码:

new Thread(new Runnable() {
    public void run() {
     showToast();
    }
   }).start();

 

转自:http://android.tgbus.com/Android/tutorial/201103/346236.shtml

Android Toast详解

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原文地址:http://www.cnblogs.com/krytor/p/4242310.html

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