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
<span style="font-size:14px;">Toast.makeText(getApplicationContext(), "默认Toast样式",
Toast.LENGTH_SHORT).show();</span>2.自定义显示位置效果
<span style="font-size:14px;">toast = Toast.makeText(getApplicationContext(),
"自定义位置Toast", Toast.LENGTH_LONG);
toast.setGravity(Gravity.CENTER, 0, 0);
toast.show();</span> 3.带图片效果:
<span style="font-size:14px;">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();</span>4.完全自定义效果
<span style="font-size:14px;">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();</span>5.其他线程
<span style="font-size:14px;">new Thread(new Runnable() {
public void run() {
showToast();
}
}).start();</span>
本文深入探讨了Android Toast的多种使用方式,包括默认效果、自定义显示位置、带图片效果和完全自定义效果。通过示例代码,详细展示了如何在不同线程中展示Toast,并提供了丰富的自定义选项。
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