Toast使用方法——简单基础编
Toast内容显示图

package com.smart;
import android.app.Activity;
import android.content.DialogInterface;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.TextView;
import android.widget.Toast;
public class Main extends Activity implements OnClickListener{
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);//得到参数
Button btnTextToast = (Button) findViewById(R.id.btnTextToast);
Button btnImageToast = (Button) findViewById(R.id.btnImageToast);
btnTextToast.setOnClickListener(this);//绑定器
btnImageToast.setOnClickListener(this);
}
//点击方法事件
@Override
public void onClick(View v) {
switch(v.getId()){
case R.id.btnTextToast:
//使用TOAST方法显示结果内容
Toast textToast=Toast.makeText(this, "新年好,我的朋友们,\n哈,哈,哈!", Toast.LENGTH_LONG);
textToast.show();
break;
case R.id.btnImageToast:
View view = getLayoutInflater().inflate(R.layout.toast, null);
TextView textView = (TextView) view.findViewById(R.id.smart);
//使用TOAST方法显示结果内容
textView.setText("新年好,我的朋友们,\n哈,哈,哈!");
Toast toast = new Toast(this);
toast.setDuration(Toast.LENGTH_LONG);
toast.setView(view);
toast.show();
break;
}
}
}
<?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"
>
<Button
android:id="@+id/btnTextToast"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="SMART文本的Toast"
/>
<Button
android:id="@+id/btnImageToast"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="SMART图片的Toast"
/>
</LinearLayout>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="horizontal"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="#555"
android:layout_margin="10dp"
>
<ImageView
android:layout_width="50dp"
android:layout_height="50dp"
android:src="@drawable/face"
/>
<TextView android:id="@+id/smart"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_margin="10dp" />
</LinearLayout>
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