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Android中的Toast是一种简易的消息提示框，toast提示框不能被用户点击，toast会根据用户设置的显示时间后自动消失。
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转：http://www.cnblogs.com/salam/archive/2010/11/10/1873654.html (涵×××)
toast 五种效果
1.默认效果
代码
Toast.makeText(getApplicationContext(), "默认Toast样式",
Toast.LENGTH_SHORT).show();
2.自定义显示位置效果
代码
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
代码
toast = Toast.makeText(getApplicationContext(),
"带图片的Toast", Toast.LENGTH_LONG);
toast.setGravity(Gravity.CENTER, 0, 0);
LinearLayout toastView = (LinearLayout) toast.getView();
ImageView p_w_picpathCodeProject = new ImageView(getApplicationContext());
p_w_picpathCodeProject.setImageResource(R.drawable.icon);
toastView.addView(p_w_picpathCodeProject, 0);
toast.show();
4.完全自定义效果
代码
LayoutInflater inflater = getLayoutInflater();
View layout = inflater.inflate(R.layout.custom,
(ViewGroup) findViewById(R.id.llToast));
ImageView p_w_picpath = (ImageView) layout
.findViewById(R.id.tvImageToast);
p_w_picpath.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();
5.其他线程
代码
new Thread(new Runnable() {
public void run() {
showToast();
}
}).start();
完整代码
1.Main,java
package com.wjq.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 Main 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 p_w_picpathCodeProject = new ImageView(getApplicationContext());
p_w_picpathCodeProject.setImageResource(R.drawable.icon);
toastView.addView(p_w_picpathCodeProject, 0);
toast.show();
break;
case R.id.btnCustomToast:
LayoutInflater inflater = getLayoutInflater();
View layout = inflater.inflate(R.layout.custom,
(ViewGroup) findViewById(R.id.llToast));
ImageView p_w_picpath = (ImageView) layout
.findViewById(R.id.tvImageToast);
p_w_picpath.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;
}
}
}
2.main,xml
android:layout_height="fill_parent" android:padding="5dip" android:gravity="center">
android:layout_width="fill_parent" android:id="@+id/btnSimpleToast"
android:text="默认">
android:layout_width="fill_parent" android:text="自定义显示位置"
android:id="@+id/btnSimpleToastWithCustomPosition">
android:layout_width="fill_parent" android:id="@+id/btnSimpleToastWithImage"
android:text="带图片">
android:layout_width="fill_parent" android:text="完全自定义"
android:id="@+id/btnCustomToast">
android:layout_width="fill_parent" android:text="其他线程"
android:id="@+id/btnRunToastFromOtherThread">
3.custom.xml
android:layout_height="wrap_content" android:layout_width="wrap_content"
android:background="#ffffffff" android:orientation="vertical"
android:id="@+id/llToast" >
android:layout_margin="1dip"
android:textColor="#ffffffff"
android:layout_width="fill_parent"
android:gravity="center"
android:background="#bb000000"
android:id="@+id/tvTitleToast" />
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" >
android:layout_gravity="center"
android:layout_width="wrap_content"
android:id="@+id/tvImageToast" />
android:paddingRight="10dip"
android:paddingLeft="10dip"
android:layout_width="wrap_content"
android:gravity="center"
android:textColor="#ff000000"
android:id="@+id/tvTextToast" />