Toast学习_小Demo

Toast学习_小Demo

效果图：
[img]

[/img]

mail.xml:

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
	xmlns:android="http://schemas.android.com/apk/res/android"
	android:orientation="vertical"
	android:layout_width="fill_parent"
	android:layout_height="fill_parent"
	android:padding="5dip"
	android:gravity="center">
	<Button
		android:layout_height="wrap_content"
		android:layout_width="fill_parent"
		android:id="@+id/btnSimpleToast"
		android:text="默认" />
	<Button
		android:layout_height="wrap_content"
		android:layout_width="fill_parent"
		android:text="自定义显示位置"
		android:id="@+id/btnSimpleToastWithCustomPosition" />
	<Button
		android:layout_height="wrap_content"
		android:layout_width="fill_parent"
		android:id="@+id/btnSimpleToastWithImage"
		android:text="带图片" />
	<Button
		android:layout_height="wrap_content"
		android:layout_width="fill_parent"
		android:text="完全自定义"
		android:id="@+id/btnCustomToast" />
	<Button
		android:layout_height="wrap_content"
		android:layout_width="fill_parent"
		android:text="其他线程"
		android:id="@+id/btnRunToastFromOtherThread" />
</LinearLayout>

custom.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
	xmlns:android="http://schemas.android.com/apk/res/android"
	android:layout_height="wrap_content"
	android:layout_width="wrap_content"
	android:background="#ffffffff"
	android:orientation="vertical"
	android:id="@+id/llToast">
	<TextView
		android:layout_height="wrap_content"
		android:layout_margin="1dip"
		android:textColor="#ffffffff"
		android:layout_width="fill_parent"
		android:gravity="center"
		android:background="#bb000000"
		android:id="@+id/tvTitleToast" />
	<LinearLayout
		android:layout_height="wrap_content"
		android:orientation="vertical"
		android:id="@+id/llToastContent"
		android:layout_marginLeft="1dip"
		android:layout_marginRight="1dip"
		android:layout_marginBottom="1dip"
		android:layout_width="wrap_content"
		android:padding="15dip"
		android:background="#44000000">
		<ImageView
			android:layout_height="wrap_content"
			android:layout_gravity="center"
			android:layout_width="wrap_content"
			android:id="@+id/tvImageToast" />
		<TextView
			android:layout_height="wrap_content"
			android:paddingRight="10dip"
			android:paddingLeft="10dip"
			android:layout_width="wrap_content"
			android:gravity="center"
			android:textColor="#ff000000"
			android:id="@+id/tvTextToast" />
	</LinearLayout>
</LinearLayout>

MainActivity

package com.amaker.toast;

import android.app.Activity;
import android.os.Bundle;
import android.os.Handler;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;

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.icon);
			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.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();
			break;
		case R.id.btnRunToastFromOtherThread:
			new Thread(new Runnable() {
				public void run() {
					showToast();
				}
			}).start();
			break;
		}
	}
}