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android Toasts

2024-07-03 11:13:44   224人阅读

1.基础

Context context = getApplicationContext();
CharSequence text = "Hello toast!";
int duration = Toast.LENGTH_SHORT;

Toast toast = Toast.makeText(context, text, duration);
toast.show();
当然也可以将方法连起来而不是保持一个Toast对象：

Toast.makeText(context, text, duration).show();
2.放置位置

toast.setGravity(Gravity.TOP|Gravity.LEFT, x, y);
可以通过setGravity方法来改变toast的默认显示位置

3.自定义Toast

LayoutInflater inflater = getLayoutInflater();
View layout = inflater.inflate(R.layout.custom_toast,
                               (ViewGroup) findViewById(R.id.toast_layout_root));

TextView text = (TextView) layout.findViewById(R.id.text);
text.setText("This is a custom toast");

Toast toast = new Toast(getApplicationContext());
toast.setGravity(Gravity.CENTER_VERTICAL, 0, 0);
toast.setDuration(Toast.LENGTH_LONG);
toast.setView(layout);
toast.show();


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