Android Toast的用法总结(五种用法)
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2024-02-21 17:04:40
toast大家都很熟，不多说。直接上图上代码。
具体代码如下：
main.xml:
toast大家都很熟，不多说。直接上图上代码。
具体代码如下：
main.xml:
<?xml version="1.0" encoding="utf-8"?>
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:gravity="center"
android:orientation="vertical"
android:padding="5dip" >
<button
android:id="@+id/btnsimpletoast"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="默认" >
</button>
<button
android:id="@+id/btnsimpletoastwithcustomposition"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="自定义显示位置" >
</button>
<button
android:id="@+id/btnsimpletoastwithimage"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="带图片" >
</button>
<button
android:id="@+id/btncustomtoast"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="完全自定义" >
</button>
<button
android:id="@+id/btnruntoastfromotherthread"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="其他线程" >
</button>
</linearlayout>
custom.xml:
<?xml version="1.0" encoding="utf-8"?>
<linearlayout xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/lltoast"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:background="#ffffffff"
android:orientation="vertical" >
<textview
android:id="@+id/tvtitletoast"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_margin="1dip"
android:background="#bb000000"
android:gravity="center"
android:textcolor="#ffffffff" />
<linearlayout
android:id="@+id/lltoastcontent"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginbottom="1dip"
android:layout_marginleft="1dip"
android:layout_marginright="1dip"
android:background="#44000000"
android:orientation="vertical"
android:padding="15dip" >
<imageview
android:id="@+id/tvimagetoast"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center" />
<textview
android:id="@+id/tvtexttoast"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:gravity="center"
android:paddingleft="10dip"
android:paddingright="10dip"
android:textcolor="#ff000000" />
</linearlayout>
</linearlayout>
package com.example.test;
import android.app.activity;
import android.app.actionbar;
import android.app.fragment;
import android.content.intent;
import android.os.bundle;
import android.os.handler;
import android.view.gravity;
import android.view.layoutinflater;
import android.view.menu;
import android.view.menuitem;
import android.view.view;
import android.view.view.onclicklistener;
import android.view.viewgroup;
import android.widget.button;
import android.widget.edittext;
import android.widget.imageview;
import android.widget.linearlayout;
import android.widget.textview;
import android.widget.toast;
import android.os.build;
public class mainactivity extends activity implements onclicklistener {
handler handler = new handler();
@override
public void oncreate(bundle savedinstancestate) {
super.oncreate(savedinstancestate);
setcontentview(r.layout.main);
findviewbyid(r.id.btnsimpletoast).setonclicklistener(this);
findviewbyid(r.id.btnsimpletoastwithcustomposition).setonclicklistener(
this);
findviewbyid(r.id.btnsimpletoastwithimage).setonclicklistener(this);
findviewbyid(r.id.btncustomtoast).setonclicklistener(this);
findviewbyid(r.id.btnruntoastfromotherthread).setonclicklistener(this);
}
public void showtoast() {
handler.post(new runnable() {
@override
public void run() {
toast.maketext(getapplicationcontext(), "我来自其他线程！",
toast.length_short).show();
}
});
}
@override
public void onclick(view v) {
toast toast = null;
switch (v.getid()) {
case r.id.btnsimpletoast:
toast.maketext(getapplicationcontext(), "默认toast样式",
toast.length_short).show();
break;
case r.id.btnsimpletoastwithcustomposition:
toast = toast.maketext(getapplicationcontext(), "自定义位置toast",
toast.length_long);
toast.setgravity(gravity.center, 0, 0);
toast.show();
break;
case r.id.btnsimpletoastwithimage:
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.ic_launcher);
toastview.addview(imagecodeproject, 0);
toast.show();
break;
case r.id.btncustomtoast:
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.ic_launcher);
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();
break;
case r.id.btnruntoastfromotherthread:
new thread(new runnable() {
public void run() {
showtoast();
}
}).start();
break;
}
}
}
运行即可。
以上就是本文的全部内容，希望对大家的学习有所帮助，也希望大家多多支持。