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Android Toast的用法总结(五种用法)

程序员文章站 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。

Android Toast的用法总结(五种用法) Android Toast的用法总结(五种用法)

Android Toast的用法总结(五种用法) Android Toast的用法总结(五种用法)      

Android Toast的用法总结(五种用法)

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。