[英]how to remove progress dialog When value is selected from it?
final CharSequence[] items = {"Red", "Green", "Blue"}
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Pick a color");
builder.setSingleChoiceItems(items, -1, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int item) {
Toast.makeText(getApplicationContext(), items[item], Toast.LENGTH_SHORT).show();
}
});
AlertDialog alert = builder.create();
当我从(红色,绿色,蓝色)中选择一个值时,它应该删除它将如何。请帮助。
builder.setSingleChoiceItems(items, -1, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int item) {
//Here you gets dialog as argument
dialog.dismiss(); <---------
}
});
尝试这个,
final CharSequence[] items = {"Red", "Green", "Blue"}
final AlertDialog alert = null;
AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Pick a color");
builder.setSingleChoiceItems(items, -1, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int item) {
Toast.makeText(getApplicationContext(), items[item], Toast.LENGTH_SHORT).show();
alert.dismiss();
}
});
alert = builder.create();
alert.show();
使用下面的代码它将起作用。
public class TestingActivity extends Activity {
AlertDialog alert;
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
final CharSequence[] items = { "Red", "Green", "Blue" };
final AlertDialog.Builder builder = new AlertDialog.Builder(this);
builder.setTitle("Pick a color");
builder.setSingleChoiceItems(items, -1, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int item) {
Toast.makeText(getApplicationContext(), items[item], Toast.LENGTH_SHORT).show();
dismiss();
}
});
alert = builder.create();
alert.show();
}
private void dismiss() {
alert.dismiss();
}
}
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