android Toast大全（五种情形）建立属于你自己的Toast(2)

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 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));