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Android java类onClickListener_Java_Android_Sdk_Onclicklistener - Fatal编程技术网

Android java类onClickListener

Android java类onClickListener,java,android,sdk,onclicklistener,Java,Android,Sdk,Onclicklistener,如何为layout_one中的按钮设置onClick侦听器?我应该把代码放在哪里?当我把它放在onCreateView中时,它给了我一个错误 public class LayoutOne extends Fragment { Button button; public static Fragment newInstance(Context context) { LayoutOne f = new LayoutOne(); return f;

如何为layout_one中的按钮设置onClick侦听器?我应该把代码放在哪里?当我把它放在onCreateView中时,它给了我一个错误

public class LayoutOne extends Fragment {

    Button button;

    public static Fragment newInstance(Context context) {
        LayoutOne f = new LayoutOne();

        return f;
    }

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        ViewGroup root = (ViewGroup) inflater.inflate(R.layout.layout_one, null);

        return root;

    }

从xml中设置布局属性android:clickable=“true”,
android:focusable=“true”
android:focusableInTouchMode=“true”
,或从代码中设置布局属性。将onClickListener设置为:

((LinearLayout)findViewById(R.id.layout_one_id)).setClickable(true);   ((LinearLayout)findViewById(R.id.layout_one_id)).setOnClickListener(layoutOnClickListener);

    private OnClickListener layoutOnClickListener = new OnClickListener() {
            public void onClick(View v) {
               //Get Click here
            }
        };  

从xml中设置布局属性android:clickable=“true”,
android:focusable=“true”
android:focusableInTouchMode=“true”
,或从代码中设置布局属性。将onClickListener设置为:

((LinearLayout)findViewById(R.id.layout_one_id)).setClickable(true);   ((LinearLayout)findViewById(R.id.layout_one_id)).setOnClickListener(layoutOnClickListener);

    private OnClickListener layoutOnClickListener = new OnClickListener() {
            public void onClick(View v) {
               //Get Click here
            }
        };  

如果你这样做,它不会有任何错误

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
    ViewGroup root = (ViewGroup) inflater
            .inflate(R.layout.layout_one, null);
    Button button_one=(Button)root.findViewById(R.id.button_one);// button_one is the id of the button in your xml file
    button_one.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub

        }
    });

    return root;

}
public void onButtonClicked(View v) { /*Stuff*/ }

如果你这样做,它不会有任何错误

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
    ViewGroup root = (ViewGroup) inflater
            .inflate(R.layout.layout_one, null);
    Button button_one=(Button)root.findViewById(R.id.button_one);// button_one is the id of the button in your xml file
    button_one.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub

        }
    });

    return root;

}
public void onButtonClicked(View v) { /*Stuff*/ }

不知道按钮的名称,但在
onCreateView()
中,您可以:

button = (Button)root.findViewById(R.id.layout_one_id);
button.setOnClickListener(new View.OnClickListener() {
    public void onClick(View v) {
        //stuff goes in here
    }
});
您的另一个选择是在xml中执行它,并创建一个使用它的方法。例如,设置
按钮
s
android:onClick=“onButtonClicked”
属性,在代码中,您的方法如下所示

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
    ViewGroup root = (ViewGroup) inflater
            .inflate(R.layout.layout_one, null);
    Button button_one=(Button)root.findViewById(R.id.button_one);// button_one is the id of the button in your xml file
    button_one.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub

        }
    });

    return root;

}
public void onButtonClicked(View v) { /*Stuff*/ }

不知道按钮的名称,但在
onCreateView()
中,您可以:

button = (Button)root.findViewById(R.id.layout_one_id);
button.setOnClickListener(new View.OnClickListener() {
    public void onClick(View v) {
        //stuff goes in here
    }
});
您的另一个选择是在xml中执行它,并创建一个使用它的方法。例如,设置
按钮
s
android:onClick=“onButtonClicked”
属性,在代码中,您的方法如下所示

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container,
        Bundle savedInstanceState) {
    ViewGroup root = (ViewGroup) inflater
            .inflate(R.layout.layout_one, null);
    Button button_one=(Button)root.findViewById(R.id.button_one);// button_one is the id of the button in your xml file
    button_one.setOnClickListener(new OnClickListener() {

        @Override
        public void onClick(View v) {
            // TODO Auto-generated method stub

        }
    });

    return root;

}
public void onButtonClicked(View v) { /*Stuff*/ }

R.layout.layout\u一个文件是片段的布局文件吗?layout\u一个是布局,但它是显示在ViewPager中的布局,R.layout.layout\u一个文件是片段的布局文件吗?layout\u一个是布局,但它是显示在ViewPager中的布局,