另一个新手被 fragment/按钮困住了!
我有一个带有一些旋转器和一个按钮的 fragment ,该按钮应该打开一个新 Activity ,但它什么也没做 - 没有错误或强制关闭什么也没有,有什么想法吗??
感谢您的帮助:)
package info.androidhive.tabsswipe;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.Spinner;
public class BreakfastFragment extends Fragment
{
private Button button;
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View v = inflater
.inflate(R.layout.fragment_breakfast, container, false);
String[] tables = { "Where are you?", "Take out", "Table 1", "Table 2",
"Table 3", "Table 4", "Table 5", "Table 6", };
Spinner spinner = (Spinner) v.findViewById(R.id.table_spinner);
ArrayAdapter<String> tableadapter = new ArrayAdapter<String>(
this.getActivity(), android.R.layout.simple_spinner_item,
tables);
String[] bagels = { "Pick your Bagel!", "Plain", "Wholemeal", "Seeded", };
Spinner spinner2 = (Spinner) v.findViewById(R.id.spinner_bageltype);
ArrayAdapter<String> Bageladapter = new ArrayAdapter<String>(
this.getActivity(), android.R.layout.simple_spinner_item,
bagels);
String[] fillings = { "A tasty filling?", "Bacon", "Sausage",
"Bacon & Sausage", "Soft Cheese", "Butter" };
Spinner spinner3 = (Spinner) v.findViewById(R.id.spinner_Filling);
ArrayAdapter<String> fillingadapter = new ArrayAdapter<String>(
this.getActivity(), android.R.layout.simple_spinner_item,
fillings);
String[] sauce = { "Any Sauce?", "Red", "Brown", "Mayo", "None", };
Spinner spinner4 = (Spinner) v.findViewById(R.id.spinner_sauce);
ArrayAdapter<String> sauceadapter = new ArrayAdapter<String>(
this.getActivity(), android.R.layout.simple_spinner_item, sauce);
tableadapter
.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line);
Bageladapter
.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line);
fillingadapter
.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line);
sauceadapter
.setDropDownViewResource(android.R.layout.simple_dropdown_item_1line);
spinner.setAdapter(tableadapter);
spinner2.setAdapter(Bageladapter);
spinner3.setAdapter(fillingadapter);
spinner4.setAdapter(sauceadapter);
return v;
}
public void addListenerOnButton(View v) {
// Select a specific button to bundle it with the action you want
Button add = (Button) getView().findViewById(R.id.button1);
add.bringToFront();
add.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.button1:
Intent intent = new Intent(getActivity(), Review.class);
startActivity(intent);
break;
}
}
});
}
}
最佳答案
需要在Fragment onCreateView(......)
中添加addListenerOnButton(v)
,如下:
@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
Bundle savedInstanceState) {
View v = inflater
.inflate(R.layout.fragment_breakfast, container, false);
addListenerOnButton(v);
...........
..........
}
并编辑您的addListenerOnButton(v)
,如下所示:
public void addListenerOnButton(View v) {
Button add = (Button) v.findViewById(R.id.button1);
add.setOnClickListener(new OnClickListener()
{
@Override
public void onClick(View v) {
switch (v.getId()) {
case R.id.button1:
Intent intent = new Intent(getActivity(), Review.class);
startActivity(intent);
break;
}
}
});
}
关于java - 按钮在 fragment 中不起作用没有错误?,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/22211295/