我使用ListView
在Android中動態添加複選框。我正在使用ContextAdapter
類來增加ListView
。 我的錯誤日誌如下:
09-23 13:44:45.000: E/AndroidRuntime(1192): FATAL EXCEPTION: main
09-23 13:44:45.000: E/AndroidRuntime(1192): Process: com.project.attendancemanager, PID: 1192
09-23 13:44:45.000: E/AndroidRuntime(1192): android.content.res.Resources$NotFoundException: String resource ID #0x1
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.content.res.Resources.getText(Resources.java:244)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.widget.TextView.setText(TextView.java:3888)
09-23 13:44:45.000: E/AndroidRuntime(1192): at com.project.attendancemanager.CustomAdapter.getView(CustomAdapter.java:31)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.widget.AbsListView.obtainView(AbsListView.java:2263)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.widget.ListView.measureHeightOfChildren(ListView.java:1263)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.widget.ListView.onMeasure(ListView.java:1175)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.view.View.measure(View.java:16497)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.widget.RelativeLayout.measureChild(RelativeLayout.java:689)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.widget.RelativeLayout.onMeasure(RelativeLayout.java:473)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.view.View.measure(View.java:16497)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.view.View.measure(View.java:16497)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
09-23 13:44:45.000: E/AndroidRuntime(1192): at com.android.internal.widget.ActionBarOverlayLayout.onMeasure(ActionBarOverlayLayout.java:327)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.view.View.measure(View.java:16497)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.view.ViewGroup.measureChildWithMargins(ViewGroup.java:5125)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.widget.FrameLayout.onMeasure(FrameLayout.java:310)
09-23 13:44:45.000: E/AndroidRuntime(1192): at com.android.internal.policy.impl.PhoneWindow$DecorView.onMeasure(PhoneWindow.java:2291)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.view.View.measure(View.java:16497)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.view.ViewRootImpl.performMeasure(ViewRootImpl.java:1916)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.view.ViewRootImpl.measureHierarchy(ViewRootImpl.java:1113)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.view.ViewRootImpl.performTraversals(ViewRootImpl.java:1295)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.view.ViewRootImpl.doTraversal(ViewRootImpl.java:1000)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.view.ViewRootImpl$TraversalRunnable.run(ViewRootImpl.java:5670)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.view.Choreographer$CallbackRecord.run(Choreographer.java:761)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.view.Choreographer.doCallbacks(Choreographer.java:574)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.view.Choreographer.doFrame(Choreographer.java:544)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.view.Choreographer$FrameDisplayEventReceiver.run(Choreographer.java:747)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.os.Handler.handleCallback(Handler.java:733)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.os.Handler.dispatchMessage(Handler.java:95)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.os.Looper.loop(Looper.java:136)
09-23 13:44:45.000: E/AndroidRuntime(1192): at android.app.ActivityThread.main(ActivityThread.java:5017)
09-23 13:44:45.000: E/AndroidRuntime(1192): at java.lang.reflect.Method.invokeNative(Native Method)
09-23 13:44:45.000: E/AndroidRuntime(1192): at java.lang.reflect.Method.invoke(Method.java:515)
09-23 13:44:45.000: E/AndroidRuntime(1192): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:779)
09-23 13:44:45.000: E/AndroidRuntime(1192): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:595)
09-23 13:44:45.000: E/AndroidRuntime(1192): at dalvik.system.NativeStart.main(Native Method)
ContextAdapter
類如下:
import android.app.Activity;
import android.content.Context;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.CheckBox;
import android.widget.TextView;
public class CustomAdapter extends ArrayAdapter<ListData>{
ListData[] items = null;
Context context;
public CustomAdapter(Context context, ListData[] resource) {
super(context, R.layout.activity_list_row, resource);
// TODO Auto-generated constructor stub
this.context = context;
this.items = resource;
}
@Override
public View getView(int position, View convertView, ViewGroup parent) {
// TODO Auto-generated method stub
LayoutInflater inflator = ((Activity) context).getLayoutInflater();
convertView = inflator.inflate(R.layout.activity_list_row, parent, false);
TextView name = (TextView) convertView.findViewById(R.id.NameTV);
TextView rollNo = (TextView) convertView.findViewById(R.id.RollNoTV);
CheckBox cb = (CheckBox) convertView.findViewById(R.id.studentCB);
name.setText(items[position].getName());
rollNo.setText(items[position].getRollNo());
if(items[position].getValue() == 1)
cb.setChecked(true);
else
cb.setChecked(false);
return convertView;
}
}
我ListData
類:
package com.project.attendancemanager;
public class ListData {
String name;
int value, rollno;
ListData(String name, int rollno, int value){
this.name = name;
this.rollno = rollno;
this.value = value;
}
public String getName(){
return this.name;
}
public int getRollNo(){
return this.rollno;
}
public int getValue(){
return this.value;
}
}
裏面我做這個活動的onCreate
功能:
Listview lv;
ListData[] items;
CustomAdapter adapter = new CustomAdapter(this, items);
lv.setAdapter(adapter);
這會有很大的幫助,有人可以指出我的代碼中的錯誤。 謝謝!乾杯!取而代之的
rollNo.setText(items[position].getRollNo());
用戶將String.valueOf (INT);否則顯示如下警告: 當調用TextView#setText時*永遠不要調用Number#toString()來格式化數字;它不會正確處理分數分隔符和特定於語言環境的數字。考慮使用正確格式規範(%d或%f)的String#格式。 *不要傳遞字符串文字(例如「Hello」)來顯示文本。硬編碼文本無法正確翻譯爲其他語言。考慮使用Android資源字符串。 *不要通過連接文本塊來構建消息。這些消息不能被正確翻譯。 – 2016-08-05 07:40:51
@NaveenKumarM我不確定你的回答與問題有關。 – 2016-08-05 08:05:37