Android中Toast的几种用法

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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

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

2.自定义显示位置效果

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

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

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();

5.其他线程

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

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