android - 如何使用按钮参数创建警报对话框的方法?
问题描述
我想要这样的东西。我想重用我的警报对话框方法,但我不知道如何实现正面和负面按钮的参数:
private void alert(String title, String message, actionPositive, actionNegative){
AlertDialog.Builder builder = new AlertDialog.Builder(QuestionProfile.this);
builder.setCancelable(true);
builder.setTitle(title);
builder.setMessage(message);
builder.setInverseBackgroundForced(true);
builder.setPositiveButton("Yes",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
//action
}
});
builder.setNegativeButton("No",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
AlertDialog alert = builder.create();
alert.show();
}
我想称之为这样的事情是可能的吗?
alert("Title","Message",action for positive button, action for negative button);
解决方案
它可以简单如下:
private void alert(String title, String message,DialogInterface.OnClickListener actionPositive, DialogInterface.OnClickListener actionNegative){
AlertDialog.Builder builder = new AlertDialog.Builder(QuestionProfile.this);
builder.setCancelable(true);
builder.setTitle(title);
builder.setMessage(message);
builder.setInverseBackgroundForced(true);
builder.setPositiveButton("Yes",actionPositive);
builder.setNegativeButton("No",actionNegative);
AlertDialog alert = builder.create();
alert.show();
}
匿名类的示例用法是:
alert("Title","Message",new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
//action for positive
}
}, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
//action for negative
}
});
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