我在此类文件中构建了一个 AlertDialog,对话框出现正常,但是执行单击时这些方法似乎没有调用。我做错了什么?感谢您的帮助!
//AlertView Builder
final AlertDialog.Builder builder;
builder = new AlertDialog.Builder(this);
builder.setTitle(" ");
builder.setIcon(R.drawable.banner);
builder.setMessage("Share this picture using any of the below!");
builder.setPositiveButton("Email",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
System.out.print("Emailing...");
}
});
builder.setNeutralButton("Facebook",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
System.out.print("Facebooking...");
}
});
builder.setNegativeButton("Twitter",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
System.out.print("Tweeting...");
}
});
你期望它做什么? 你在那些块中是否有任何你现在没有的代码?
默认情况下,Android 不会将 System.out.print();
用于任何用途 - 使用 Log:
Log.d(getClass().getName(),"Facebooking...");
尝试以下代码作为setNeutralButton
、setPositiveButton
、setNegativeButton
不适用于特定的 API。
//AlertView Builder
final AlertDialog.Builder builder;
builder = new AlertDialog.Builder(this);
builder.setTitle(" ");
builder.setIcon(R.drawable.banner);
builder.setMessage("Share this picture using any of the below!");
builder.setButton1("Email",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
System.out.print("Emailing...");
}
});
builder.setButton2("Facebook",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
System.out.print("Facebooking...");
}
});
builder.setButton3("Twitter",
new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
System.out.print("Tweeting...");
}
});
希望对你有帮助...