android 五种Toast显示方法

/**private static final String TOASTBTN_1 = "这是默认的Toast显示";private static final String TOASTBTN_2 = "这是自定义位置的Toast显示";private static final String TOASTBTN_3 = "这是带图片的Toast显示";private static final String TOASTBTN_4 = "这是完全自定义的Toast显示";private static final String TOASTBTN_5 = "这是长时间的Toast显示"; */case R.id.button_1:toast.makeText(this, TOASTBTN_1, Toast.LENGTH_LONG).show();break;case R.id.button_2:toast = Toast.makeText(getApplicationContext(), TOASTBTN_2,Toast.LENGTH_LONG);toast.setGravity(Gravity.CENTER, 0, 0);toast.show();break;case R.id.button_3:toast = Toast.makeText(getApplicationContext(), TOASTBTN_3,Toast.LENGTH_LONG);toast.setGravity(Gravity.CENTER, 50, -100);LinearLayout layout = (LinearLayout) toast.getView();ImageView image = new ImageView(getApplicationContext());image.setImageResource(R.drawable.wallpaper_tree_small);layout.addView(image, 0);toast.show();break;case R.id.button_4:LayoutInflater inflater = getLayoutInflater();View view = inflater.inflate(R.layout.userdefinedtoast,(ViewGroup) findViewById(R.id.toast_layout));TextView txtView_Title = (TextView) view.findViewById(R.id.txt_Title);TextView txtView_Context = (TextView) view.findViewById(R.id.txt_context);ImageView imageView = (ImageView) view.findViewById(R.id.image_toast);toast = new Toast(getApplicationContext());toast.setGravity(Gravity.CENTER, 0, 0);toast.setDuration(Toast.LENGTH_LONG);toast.setView(view);toast.show();break;case R.id.button_5:LayoutInflater inflater1 = getLayoutInflater();View view1 = inflater1.inflate(R.layout.userdefinedtoast,(ViewGroup) findViewById(R.id.toast_layout));TextView txtView_Title1 = (TextView) view1.findViewById(R.id.txt_Title);TextView txtView_Context1 = (TextView) view1.findViewById(R.id.txt_context);ImageView imageView1 = (ImageView) view1.findViewById(R.id.image_toast);builder = new AlertDialog.Builder(this);builder.setView(view1);dialog = builder.create();dialog.show();