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我正在嘗試在主要活動中編寫5個按鈕,並試圖在其中添加新活動。在第五個按鈕中,我遇到了listView問題。你可以看看我的listVieww(View v)metod,並告訴我,如果我錯過了什麼?謝謝。如何使用android:onclick =「listViewMetod」在其佈局中編寫用於listView的metod?
這是listActivity.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<ListView
android:id="@+id/listView1"
android:layout_width="match_parent"
android:layout_height="wrap_content" >
</ListView>
</LinearLayout>
這是main.xml中>>>
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<TextView
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="@string/hello" />
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="newActivity"
android:text="Yeni Aktivite" />
<Button
android:id="@+id/button2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="toast"
android:text="Toast" />
<Button
android:id="@+id/button3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="web"
android:text="Web" />
<Button
android:id="@+id/button4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="preferences"
android:text="Preferences" />
<Button
android:id="@+id/button5"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:onClick="listVieww"
android:text="ListView" />
</LinearLayout>
這是主要的活動
package com.uygulamalar.odev;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.ArrayAdapter;
import android.widget.Button;
import android.widget.ListView;
import android.widget.TextView;
import android.widget.Toast;
public class OdevKarmaActivity extends Activity {
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
}
public void newActivity(View v) {
Intent intent = new Intent(getApplicationContext(), NewActivity.class);
startActivity(intent);
}
public void toast(View v) {
Toast toast=Toast.makeText(getApplicationContext(), "vazzupp", 9999);
toast.show();
}
public void listVieww(View v) {
ListView listView1;
String jedigiller[] = {"pelin","figen","aylin","gizem"};
listView1=(ListView) findViewById(R.id.listView1);
listView1.setAdapter(new
ArrayAdapter<String>(this,android.R.layout.simple_list_item_1 , jedigiller));
}
}
它強制關閉的Android模擬器。我有沒有錯過listVieww(View v)metod中的任何內容?
什麼錯誤它給你?並在什麼線路上? – 2012-01-31 19:50:50