Android Toast用法详解（各种自定义Toast），android性能优化和内存优化

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 andro

id.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.on