我得到了一个ListView
工作正常但我希望我的标题在顶部所以我做了一个新的布局,我把标题和ListView
. 现在我正在接近一个力量,我真的不知道它有什么问题。
public class AndroidListViewActivity extends ListActivity {
String value;
// Places Listview
ListView lv;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
this.requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.list_item3);
String[] restaurant = getResources().getStringArray(R.array.restaurant);
String[] bar = getResources().getStringArray(R.array.bar);
String[] gas = getResources().getStringArray(R.array.gas);
String[] help = getResources().getStringArray(R.array.help);
String[] hotel = getResources().getStringArray(R.array.hotel);
String[] shopping = getResources().getStringArray(R.array.shopping);
String[] bank = getResources().getStringArray(R.array.bank);
String[] bus = getResources().getStringArray(R.array.bus);
String[] film = getResources().getStringArray(R.array.film);
Bundle extras = getIntent().getExtras();
if (extras != null) {
value = extras.getString("categoriename");
}
// storing string resources into Array
if(value.equals("restaurant")){
// Binding resources Array to ListAdapter
this.setListAdapter(new ArrayAdapter<String>(this, R.layout.list_item2, R.id.label, restaurant));
}if(value.equals("bar")){
// Binding resources Array to ListAdapter
this.setListAdapter(new ArrayAdapter<String>(this, R.layout.list_item2, R.id.label, bar));
}if(value.equals("gas")){
// Binding resources Array to ListAdapter
this.setListAdapter(new ArrayAdapter<String>(this, R.layout.list_item2, R.id.label, gas));
}if(value.equals("film")){
// Binding resources Array to ListAdapter
this.setListAdapter(new ArrayAdapter<String>(this, R.layout.list_item2, R.id.label, film));
}if(value.equals("help")){
// Binding resources Array to ListAdapter
this.setListAdapter(new ArrayAdapter<String>(this, R.layout.list_item2, R.id.label, help));
}if(value.equals("bus")){
// Binding resources Array to ListAdapter
this.setListAdapter(new ArrayAdapter<String>(this, R.layout.list_item2, R.id.label, bus));
}if(value.equals("bank")){
// Binding resources Array to ListAdapter
this.setListAdapter(new ArrayAdapter<String>(this, R.layout.list_item2, R.id.label, bank));
}if(value.equals("shopping")){
// Binding resources Array to ListAdapter
this.setListAdapter(new ArrayAdapter<String>(this, R.layout.list_item2, R.id.label, shopping));
}if(value.equals("hotel")){
// Binding resources Array to ListAdapter
this.setListAdapter(new ArrayAdapter<String>(this, R.layout.list_item2, R.id.label, hotel));
}
lv = (ListView) findViewById(R.id.list3);
// listening to single list item on click
lv.setOnItemClickListener(new OnItemClickListener() {
public void onItemClick(AdapterView<?> parent, View view,
int position, long id) {
// selected item
String product = ((TextView) view).getText().toString();
// Launching new Activity on selecting single List Item
Intent i = new Intent(getApplicationContext(), MainActivity.class);
// sending data to new activity
i.putExtra("thetext", product);
startActivity(i);
}
});
}
这是我的 list_item2:
<?xml version="1.0" encoding="utf-8"?>
<TextView
xmlns:android="http://schemas.android.com/apk/res/android"
android:id="@+id/label"
android:layout_width="fill_parent"
android:layout_height="30dp"
android:background="@drawable/list_selector"
android:padding="10dip"
android:textSize="16dip"
android:layout_below="@+id/imageButton2"
android:textStyle="bold" >
</TextView>
这是我的 list_item3:
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
android:background="#FFFFFF"
android:id="@+id/mainLayout"
>
<ImageView
android:id="@+id/imageButton2"
android:layout_width="fill_parent"
android:layout_height="52dip"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:contentDescription="@string/header"
android:src="@drawable/list_header" />
<ImageButton
android:id="@+id/imageButtonSearch"
android:layout_width="60dip"
android:layout_height="45dip"
android:layout_alignParentRight="true"
android:layout_alignParentTop="true"
android:contentDescription="@string/header"
android:src="@drawable/search"
android:background="@android:color/transparent"
/>
<ImageView
android:id="@+id/imageButton3"
android:layout_width="150dip"
android:layout_height="50dip"
android:layout_alignParentLeft="true"
android:layout_alignParentTop="true"
android:src="@drawable/titel" />
<ListView
android:id="@+id/list3"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_below="@+id/imageButton2" />
</RelativeLayout>
这是日志猫:
12-04 18:29:49.886: E/AndroidRuntime(371): FATAL EXCEPTION: main
12-04 18:29:49.886: E/AndroidRuntime(371): java.lang.RuntimeException: Unable to start activity ComponentInfo{com.laurenswuyts.find.it/com.laurenswuyts.find.it.AndroidListViewActivity}: java.lang.RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'
12-04 18:29:49.886: E/AndroidRuntime(371): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1647)
12-04 18:29:49.886: E/AndroidRuntime(371): at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:1663)
12-04 18:29:49.886: E/AndroidRuntime(371): at android.app.ActivityThread.access$1500(ActivityThread.java:117)
12-04 18:29:49.886: E/AndroidRuntime(371): at android.app.ActivityThread$H.handleMessage(ActivityThread.java:931)
12-04 18:29:49.886: E/AndroidRuntime(371): at android.os.Handler.dispatchMessage(Handler.java:99)
12-04 18:29:49.886: E/AndroidRuntime(371): at android.os.Looper.loop(Looper.java:130)
12-04 18:29:49.886: E/AndroidRuntime(371): at android.app.ActivityThread.main(ActivityThread.java:3683)
12-04 18:29:49.886: E/AndroidRuntime(371): at java.lang.reflect.Method.invokeNative(Native Method)
12-04 18:29:49.886: E/AndroidRuntime(371): at java.lang.reflect.Method.invoke(Method.java:507)
12-04 18:29:49.886: E/AndroidRuntime(371): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:839)
12-04 18:29:49.886: E/AndroidRuntime(371): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:597)
12-04 18:29:49.886: E/AndroidRuntime(371): at dalvik.system.NativeStart.main(Native Method)
12-04 18:29:49.886: E/AndroidRuntime(371): Caused by: java.lang.RuntimeException: Your content must have a ListView whose id attribute is 'android.R.id.list'
12-04 18:29:49.886: E/AndroidRuntime(371): at android.app.ListActivity.onContentChanged(ListActivity.java:243)
12-04 18:29:49.886: E/AndroidRuntime(371): at com.android.internal.policy.impl.PhoneWindow.setContentView(PhoneWindow.java:210)
12-04 18:29:49.886: E/AndroidRuntime(371): at android.app.Activity.setContentView(Activity.java:1657)
12-04 18:29:49.886: E/AndroidRuntime(371): at com.laurenswuyts.find.it.AndroidListViewActivity.onCreate(AndroidListViewActivity.java:23)
12-04 18:29:49.886: E/AndroidRuntime(371): at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1047)
12-04 18:29:49.886: E/AndroidRuntime(371): at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:1611)
12-04 18:29:49.886: E/AndroidRuntime(371): ... 11 more