图文可视化提醒（Toast与LinearLayout View）

新建一个继承Activity类的ToastAndLinearLayoutViewActivity，并设置布局文件为：toastandlinearlayoutview.xml。

在布局文件添加一个按钮Button：

  <Button

        android:id="@+id/toastandlinearlayoutview_btn"

        style="@android:style/Widget.Button.Inset"

        android:layout_width="fill_parent"

        android:layout_height="wrap_content"

        android:text="@string/show_toast"/>

接着是Activity类：

package lyx.feng.third;

 

import lyx.feng.simpletextdemo.R;

import android.app.Activity;

import android.os.Bundle;

import android.view.View;

import android.view.View.OnClickListener;

import android.widget.Button;

import android.widget.ImageView;

import android.widget.LinearLayout;

import android.widget.Toast;

 

public class ToastAndLinearLayoutViewActivity extends Activityimplements

       OnClickListener {

    private Buttonbtn = null;

    private Toasttoast = null;

 

    @Override

    protected void onCreate(Bundle savedInstanceState) {

       super.onCreate(savedInstanceState);

       super.setContentView(R.layout.toastandlinearlayoutview);

       this.btn = (Button)super

              .findViewById(R.id.toastandlinearlayoutview_btn);

 

       this.btn.setOnClickListener(this);

 

       this.toast = Toast.makeText(this,"这是自定义的Toast", Toast.LENGTH_SHORT);

       LinearLayout layout = new LinearLayout(this);

       layout.setOrientation(LinearLayout.VERTICAL);

 

       View mView = this.toast.getView();

       ImageView imageView = new ImageView(this.getApplicationContext());

       imageView.setImageResource(R.drawable.icon_002);

       layout.addView(mView);

       layout.addView(imageView);

       this.toast.setView(layout);

    }

 

    @Override

    public void onClick(View v) {

       this.toast.show();

    }

}