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我想问我的项目。我创建了一个类（RestoranView.class），它有3个按钮：菜单，地图和分级。其中两个（地图和评级）工作正常，但当我点击按钮“菜单”，它不起作用，logcat显示这些错误。我已经实现了相同的代码。你能帮我解决这个错误吗？提前致谢。java.lang.IllegalStateException：无法找到一个方法onClick处理程序与id_button
logcat的错误
01-12 22:04:28.543: E/AndroidRuntime(25625): FATAL EXCEPTION: main
01-12 22:04:28.543: E/AndroidRuntime(25625): java.lang.IllegalStateException: Could not find a method MenuClick(View) in the activity class com.example.hellojson.RestoranView for onClick handler on view class android.widget.Button with id 'button_menu'
01-12 22:04:28.543: E/AndroidRuntime(25625): at android.view.View$1.onClick(View.java:3685)
01-12 22:04:28.543: E/AndroidRuntime(25625): at android.view.View.performClick(View.java:4222)
RestoranView.java
ackage com.example.hellojson;
public class RestoranView extends Activity {
@Override
protected void onCreate(Bundle savedInstanceState) {
// TODO Auto-generated method stub
super.onCreate(savedInstanceState);
setContentView(R.layout.restoran_view);
// intent from RestoranView.class to the Map.class
public void MenuCLick (View v) {
Intent menu = new Intent(RestoranView.this, TabMenu.class);
menu.putExtra(Restoran.id_restoran_tags, resto.getId_restoran());
startActivity(menu);
}
// intent from RestoranView.class to the Map.class
public void MapsClick(View v) {
Intent maps = new Intent(RestoranView.this, Map.class);
maps.putExtra(Restoran.nama_tags, resto.getNama());
maps.putExtra(Restoran.latitude_tags, resto.getLatitude());
maps.putExtra(Restoran.longitude_tags, resto.getLongitude());
maps.putExtra(Restoran.desc_tags, resto.getDesc());
startActivity(maps);
}
// intent from RestoranView.class to the Rating.class
public void RatingClick(View v) {
Intent rating = new Intent(RestoranView.this, Rating.class);
rating.putExtra(Restoran.id_restoran_tags, resto.getId_restoran());
rating.putExtra(Restoran.nama_tags, resto.getNama());
startActivity(rating);
}
}
RestoranView.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="@drawable/background"
android:orientation="vertical" >
<ScrollView
android:id="@+id/scrollView"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:fillViewport="false" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<TextView
android:id="@+id/nama_restoran_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center_horizontal"
android:paddingBottom="10dip"
android:paddingTop="5dip"
android:text="Nama Restoran"
android:textColor="@color/Navy"
android:textSize="25sp"
android:textStyle="bold" />
<ImageView
android:id="@+id/image_restoran_view"
android:layout_width="275dp"
android:layout_height="241dp"
android:layout_gravity="center_horizontal"
android:paddingTop="10dip"
android:src="@drawable/ic_launcher" />
<TextView
android:id="@+id/alamat_restoran_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingTop="10dip"
android:text="Alamat :"
android:textColor="@color/Navy"
android:textSize="20sp"
android:textStyle="bold" />
<TextView
android:id="@+id/phone_restoran_view"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:paddingTop="10dip"
android:text="Phone : "
android:textColor="@color/Navy"
android:textSize="20sp"
android:textStyle="bold" />
<TextView
android:id="@+id/deskripsi_restoran_view"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:paddingTop="10dip"
android:text="Deskripsi"
android:textColor="@color/Navy"
android:textSize="20sp"
android:textStyle="bold" />
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content" >
<Button
android:id="@+id/button_menu"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="0.30"
android:onClick="MenuClick"
android:text="Menu" />
<Button
android:id="@+id/button_maps"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="0.30"
android:onClick="MapsClick"
android:text="Maps" />
<Button
android:id="@+id/button_rating"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="0.30"
android:onClick="RatingClick"
android:text="Rating" />
</LinearLayout>
</LinearLayout>
</ScrollView>
</LinearLayout>
AndroidManifest
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.hellojson"
android:versionCode="1"
android:versionName="1.0" >
<uses-sdk
android:minSdkVersion="11"
android:targetSdkVersion="17" />
<uses-permission android:name="android.permission.INTERNET" />
<uses-permission android:name="android.permission.ACCESS_NETWORK_STATE" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<uses-permission android:name="com.google.android.providers.gsf.permission.READ_GSERVICES" />
<application
android:allowBackup="true"
android:icon="@drawable/ic_launcher"
android:label="@string/app_name"
android:theme="@style/AppTheme" >
<activity
android:name="com.example.hellojson.SplashScreen"
android:label="@string/app_name" >
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".MenuUtama" >
</activity>
<activity android:name=".AboutMedan" >
</activity>
<activity android:name=".AllVenue" >
</activity>
<activity android:name=".TabMenu" >
</activity>
<activity android:name=".Map" >
</activity>
<activity android:name=".RestoranView" >
</activity>
<activity android:name=".Rating" >
</activity>
<activity android:name=".Search" >
</activity>
</application>
</manifest>
哦天啊，只有一个L字母会导致我几天无法修复的错误。感谢您的更正...^_^ –
@ user3187074除了您错过了'onCreate'的'}'或者您在发布时错过了。 – Raghunandan
@WulanRahmadiny自从你的新的到stackoverflow看看这个http://meta.stackexchange.com/questions/5234/how-does-accepting-an-answer-work – Raghunandan