Android Toast用法详解（各种自定义Toast）

4、完全实现我们自己的自定义效果：

5、可以由其它线程更新：

查看源代码：

HelloToastActivity.java

package hb.android.hellotoast;

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.View.OnClickListener;

import android.widget.Button;

import android.widget.ImageView;

import android.widget.LinearLayout;

import android.widget.TextView;

import android.widget.Toast;

public class HelloToastActivity extends Activity {

/** Called when the activity is first created. */

Button btn_default;

Button btn_define;

Button btn_all_define;

Button btn_image_define;

Button btn_other_thread;

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

initButton();

btn_all_define.setOnClickListener(new MyOnClickListerer());

btn_define.setOnClickListener(new MyOnClickListerer());

btn_other_thread.setOnClickListener(new MyOnClickListerer());

btn_image_define.setOnClickListener(new MyOnClickListerer());

btn_default.setOnClickListener(new MyOnClickListerer());

}

public void initButton() {

btn_all_define = (Button) findViewById(R.id.btn_all_define);

btn_default = (Button) findViewById(R.id.btn_default);

btn_define = (Button) findViewById(R.id.btn_define);

btn_image_define = (Button) findViewById(R.id.btn_image_define);

btn_other_thread = (Button) findViewById(R.id.btn_other_thread);

}

private class MyOnClickListerer implements OnClickListener {

Handler handler = new Handler();

@Override

public void onClick(View v) {

if (v == btn_default) {

Toast.makeText(getApplicationContext(), “这 是默认效果”,

Toast.LENGTH_SHORT).show();

} else if (v == btn_define) {

Toast toast = Toast.makeText(getApplicationContext(),

“这是自定义位置”, Toast.LENGTH_SHORT);

toast.setGravity(Gravity.CENTER, 0, 0);

toast.show();

} else if (v == btn_image_define) {

Toast toast = Toast.makeText(getApplicationContext(), “这是带图片的”,

Toast.LENGTH_SHORT);

LinearLayout toastView = (LinearLayout) toast.getView();

ImageView imageCodeProject = new ImageView(

getApplicationContext());

imageCodeProject.setImageResource(R.drawable.ic_launcher);

toastView.addView(imageCodeProject, 0);

toast.show();

} else if (v == btn_all_define) {

LayoutInflater inflater = getLayoutInflater();

View view = inflater.inflate(R.layout.custom, null);

ImageView iv = (ImageView) view.findViewById(R.id.tvImageToast);

iv.setImageResource(R.drawable.ic_launcher);

TextView title = (TextView) view

.findViewById(R.id.tvTitleToast);

title.setText(“Attention”);

TextView text = (TextView) view.findViewById(R.id.tvTextToast);

text.setText(“完全自定义Toast”);

Toast toast = new Toast(getApplicationContext());

toast.setGravity(Gravity.RIGHT | Gravity.TOP, 12, 40);

toast.setDuration(Toast.LENGTH_LONG);

toast.setView(view);

toast.show();

} else if (v == btn_other_thread) {

new Thread(new Runnable() {

public void run() {

System.out.println(“d”);

showToast();

}

}).start();

}

}

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();

}

});

}

}

}

custom.xml