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나는 안드로이드 viewflipper을하려고합니다. 나는 단추 클릭 (다음 & 이전)에 변경 될 것이라고 3 전망이있다. 나는이 코드를 작성했고 로그에 버튼 위젯 오류가 있다고 말했다. 어떻게 해결할 수 있을까요?버튼 오류 viewflipper android
내 XML 레이아웃
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
android:background="@drawable/radial_background">
<RelativeLayout
android:id="@+id/relative_buy1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true">
<Button
android:id="@+id/buy_previous"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true">
</Button>
<Button
android:id="@+id/buy_next"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/buy_previous">
</Button>
<Button
android:id="@+id/buy_submit"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_toRightOf="@id/buy_next">
</Button>
</RelativeLayout>
<RelativeLayout
android:layout_alignTop="@id/relative_buy1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentTop="true">
<ViewFlipper
android:id="@+id/ViewFlipper01"
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<TextView
android:id="@+id/buy_item_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true">
</TextView>
<EditText
android:id="@+id/buy_item_name_et"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_below="@id/buy_item_name">
</EditText>
</RelativeLayout>
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<TextView
android:id="@+id/buy_ques_category"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true">
</TextView>
<Button
android:id="@+id/buy_food_cat_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_below="@id/buy_ques_category">
</Button>
<Button
android:id="@+id/buy_education_cat_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_below="@id/buy_food_cat_button">
</Button>
<Button
android:id="@+id/buy_personal_cat_button"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_below="@id/buy_education_cat_button">
</Button>
</RelativeLayout>
<RelativeLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content">
<TextView
android:id="@+id/buy_ques_cost"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true">
</TextView>
<EditText
android:id="@+id/buy_ques_cost_et"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_below="@id/buy_ques_cost">
</EditText>
</RelativeLayout>
</ViewFlipper>
</RelativeLayout>
내 활동 당신이 당신의 버튼로 클릭 리스너의 할당을 누락 것 같습니다
package apps.questions;
import android.app.Activity;
import android.content.ContentValues;
import android.graphics.PixelFormat;
import android.os.Bundle;
import android.view.View;
import android.view.Window;
import android.view.View.OnClickListener;
import android.view.animation.AnimationUtils;
import android.widget.Button;
import android.widget.EditText;
import android.widget.TextView;
import android.widget.ViewFlipper;
import apps.project.R;
public class BuyActivity extends Activity implements OnClickListener {
ViewFlipper vf;
private static final String FOOD = "Food/Drinks";
private static final String EDUCATION = "Education";
private static final String PERSONAL = "Personal";
Button food_cat;
Button education_cat;
Button personal_cat;
Button next;
Button previous;
Button submit;
TextView item_name;
TextView item_cost;
TextView item_cat;
EditText name;
EditText cost;
ContentValues cv;
String iName;
double iPrice;
String iCategory;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.buy_advice_layout);
inflateView();
/*food_cat.setOnClickListener(this);
education_cat.setOnClickListener(this);
personal_cat.setOnClickListener(this);*/
}
public void onAttachedToWindow() {
super.onAttachedToWindow();
Window window = getWindow();
window.setFormat(PixelFormat.RGBA_8888);
}
private void inflateView() {
// TODO Auto-generated method stub
cv = new ContentValues();
vf = (ViewFlipper) findViewById(R.id.ViewFlipper01);
next = (Button)findViewById(R.id.buy_next);
previous = (Button)findViewById(R.id.buy_previous);
submit = (Button)findViewById(R.id.buy_submit);
/*food_cat = (Button)findViewById(R.id.buy_food_cat_button);
education_cat = (Button)findViewById(R.id.buy_education_cat_button);
personal_cat = (Button)findViewById(R.id.buy_personal_cat_button);*/
item_name = (TextView)findViewById(R.id.buy_item_name);
item_name.setText("Please enter the name of the item you wish to buy");
item_cat = (TextView)findViewById(R.id.buy_ques_category);
item_cat.setText("Please select the category of the item you wish to buy by clicking on the category button");
item_cost = (TextView)findViewById(R.id.buy_ques_cost);
item_cost.setText("Please enter the price of the item you wish to buy");
name = (EditText)findViewById(R.id.buy_item_name_et);
cost = (EditText)findViewById(R.id.buy_ques_cost_et);
}
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
if (v == next) {
vf.setAnimation(AnimationUtils.loadAnimation(v.getContext(), R.anim.push_left_in));
vf.showNext();
}
if (v == previous) {
vf.setAnimation(AnimationUtils.loadAnimation(v.getContext(), R.anim.push_left_out));
vf.showPrevious();
}
if (v == submit) {
//vf.showPrevious();
}
if (v == food_cat) {
iCategory = FOOD;
}
if (v == education_cat) {
iCategory = EDUCATION;
}
if (v == personal_cat) {
iCategory = PERSONAL;
}
}
}
도움이 필요하면 오류 메시지 및 스택 추적을 추가하는 것이 좋습니다. 질문에서 명확하지 않습니다 1) 오류가 무엇입니까. 2) 오류가 무엇을합니다. 앱이 다운 되나요? 코드를 컴파일 할 수 있습니까? 등. – Entreco