Android Toast的用法总结(五种用法)

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:layout_width="fill_parent"
  android:layout_height="fill_parent"
  android:gravity="center"
  android:orientation="vertical"
  android:padding="5dip" >

  <Button
    android:id="@+id/btnSimpleToast"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="默认" >
  </Button>

  <Button
    android:id="@+id/btnSimpleToastWithCustomPosition"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="自定义显示位置" >
  </Button>

  <Button
    android:id="@+id/btnSimpleToastWithImage"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="带图片" >
  </Button>

  <Button
    android:id="@+id/btnCustomToast"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="完全自定义" >
  </Button>

  <Button
    android:id="@+id/btnRunToastFromOtherThread"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:text="其他线程" >
  </Button>

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
  android:id="@+id/llToast"
  android:layout_width="wrap_content"
  android:layout_height="wrap_content"
  android:background="#ffffffff"
  android:orientation="vertical" >

  <TextView
    android:id="@+id/tvTitleToast"
    android:layout_width="fill_parent"
    android:layout_height="wrap_content"
    android:layout_margin="1dip"
    android:background="#bb000000"
    android:gravity="center"
    android:textColor="#ffffffff" />

  <LinearLayout
    android:id="@+id/llToastContent"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_marginBottom="1dip"
    android:layout_marginLeft="1dip"
    android:layout_marginRight="1dip"
    android:background="#44000000"
    android:orientation="vertical"
    android:padding="15dip" >

    <ImageView
      android:id="@+id/tvImageToast"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:layout_gravity="center" />

    <TextView
      android:id="@+id/tvTextToast"
      android:layout_width="wrap_content"
      android:layout_height="wrap_content"
      android:gravity="center"
      android:paddingLeft="10dip"
      android:paddingRight="10dip"
      android:textColor="#ff000000" />
  </LinearLayout>

</LinearLayout>

package com.example.test;

import android.app.Activity;
import android.app.ActionBar;
import android.app.Fragment;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import android.os.Build;

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.ic_launcher);
      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.ic_launcher);
      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;

    }

  }

}