我正在使用图像和框架布局（按钮和线性布局）实现列表视图，但是当我多次滚动列表时，应用程序会自动崩溃......以下是我的代码.. Main.java
public class Main extends ListActivity {
/** Called when the activity is first created. */
ImageView img, img1;
private AdapterClass adapter;
private String reviewImageLink;
private static final String TAG = "PRANJAL";
private boolean isImage = false;
String fileName[] = new String[10];
private String imgurl;
ArrayList<HashMap<String, String>> searchResult;
private EditText edtSearch;
private Button btnNext;
private ListView list;
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.listplaceholder);
edtSearch = (EditText) findViewById(R.id.edtSearch);
btnNext = (Button) findViewById(R.id.btnNext);
list = (ListView) findViewById(android.R.id.list);
// list = (LinearLayout) findViewById(R.id.list);
final ArrayList<HashMap<String, String>> mylist = new ArrayList<HashMap<String, String>>();
/*
* JSONObject json = JSONfunctions
* .getJSONfromURL("http://23.21.228.8/PlutoApp_Beta/consumer_dash/" +
* "checkIn_confirmation_related_record.php?lat=18.535787&lng=73.891889"
* );
*/
JSONObject json = JSONfunctions
.getJSONfromURL("http://23.21.228.8/PlutoApp_Beta/consumer_dash/checkIn_confirmation_name.php?lat=40.739974&lng=-73.994293&name=shop");
try {
JSONArray earthquakes = json.getJSONArray("Display");
for (int i = 0; i < earthquakes.length(); i++) {
HashMap<String, String> map = new HashMap<String, String>();
JSONObject e = earthquakes.getJSONObject(i);
map.put("Name", e.getString("name"));
map.put("Vicinity", e.getString("vicinity"));
map.put("logo", e.getString("logo"));
imgurl = e.getString("logo");
String filename = "a" + i;
imgurl = e.getString("logo");
mylist.add(map);
adapter = new AdapterClass(Main.this,
R.layout.my_custom_layout, mylist);
}
} catch (JSONException e) {
Log.e("log_tag", "Error parsing data " + e.toString());
}
searchResult = new ArrayList<HashMap<String, String>>(mylist);
// adapter = new AdapterClass(Main.this, R.layout.my_custom_layout,
// mylist);
list.setTextFilterEnabled(true);
setListAdapter(adapter);
edtSearch.setOnKeyListener(new OnKeyListener() {
@Override
public boolean onKey(View v, int keyCode, KeyEvent event) {
// TODO Auto-generated method stub
if (event.getKeyCode() == KeyEvent.KEYCODE_ENTER) {
edtSearch.clearFocus();
edtSearch.requestFocus(edtSearch.FOCUS_DOWN);
String searchText = edtSearch.getText().toString();
final ArrayList<HashMap<String, String>> mySearchlist = new ArrayList<HashMap<String, String>>();
JSONObject json = JSONfunctions
.getJSONfromURL("http://23.21.228.8/PlutoApp_Beta/consumer_dash/checkIn_confirmation_name.php?lat=40.739974&lng=-73.994293&name="
+ searchText);
try {
JSONArray Search = json.getJSONArray("Display");
for (int i = 0; i < Search.length(); i++) {
HashMap<String, String> mapSearch = new HashMap<String, String>();
JSONObject e = Search.getJSONObject(i);
String filename = "b" + i;
mapSearch.put("Name", e.getString("name"));
mapSearch.put("Vicinity", e.getString("vicinity"));
mapSearch.put("logo", e.getString("logo"));
imgurl = e.getString("logo");
imgurl = e.getString("logo");
mySearchlist.add(mapSearch);
}
} catch (JSONException e) {
Log.e("log_tag", "Error parsing data " + e.toString());
}
AdapterClass adapter = new AdapterClass(Main.this,
R.layout.my_custom_layout, mySearchlist);
setListAdapter(adapter);
list.setTextFilterEnabled(true); // list.setAdapter(adapter);
}
return false;
}
});
btnNext.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
searchResult = new ArrayList<HashMap<String, String>>(mylist);
// adapter = new AdapterClass(Main.this, R.layout.main, mylist);
adapter = new AdapterClass(Main.this,
R.layout.my_custom_layout, mylist);
list.setTextFilterEnabled(true);
setListAdapter(adapter);
}
});
}
}
适配器类.java
public class AdapterClass extends BaseAdapter {
int images[];
Context context;
String string[];
private LayoutInflater inflater;
private int resourceId;
private ArrayList<HashMap<String, String>> myList;
private View view;
private Animation anim_left_right;
private Animation anim_right_left;
private FrameLayout frame;
private LinearLayout ll;
private int width;
private int height;
private String tag;
private boolean flag;
private boolean firstRun = true;
public int closedPosition;
private boolean flagset = true;
private boolean firstRunTouch;
private boolean flag3 = false;
public boolean ff = true;
private View ll1;
private View ll2;
private boolean flag4 = false;
private int j = 1;
private boolean flag5 = false;
private boolean flag6 = false;
private boolean flag2;
private boolean flag0;
private boolean flag7= true;
private boolean flag8 = true;
private Animation MyAnimation;
public ImageLoader imageLoader;
public AdapterClass(Context context, int resourceId,
ArrayList<HashMap<String, String>> myList) {
this.context = context;
this.resourceId = resourceId;
this.myList = myList;
inflater = (LayoutInflater) context
.getSystemService(Context.LAYOUT_INFLATER_SERVICE);
imageLoader = new ImageLoader(context.getApplicationContext());
}
@Override
public int getCount() {
return myList.size();
}
@Override
public View getView(final int position, View convertView, ViewGroup parent) {
System.out.println("Getview Method is called");
HashMap<String, String> map = getItem(position);
/*if(flag==true){
Toast.makeText(context, "Inside Flag= true"+position, 1000).show();
ll2.startAnimation(anim_right_left);
ll2.setLayoutParams(new LayoutParams(130, height));
flag=false;
}*/
//if (convertView == null) {
convertView = inflater.inflate(R.layout.my_custom_layout, parent,
false);
// }
ImageView imageView = (ImageView) convertView
.findViewById(R.id.imageView1);
System.out.println("hi");
ll = (LinearLayout) convertView.findViewById(R.id.ll1);
width = ll.getLayoutParams().width;
height = ll.getLayoutParams().height;
frame = (FrameLayout) convertView.findViewById(R.id.frame);
ll.setOnClickListener(new MyClickListener());
ll.setOnTouchListener(new MyTouchListener());
TextView from_user = (TextView) convertView
.findViewById(R.id.from_user);
TextView from_user_id = (TextView) convertView
.findViewById(R.id.from_user_id);
Button landed = (Button) convertView.findViewById(R.id.button1);
System.out.println("Tag in side getView :" + ll.getTag());
imageView.setOnTouchListener(new OnTouchListener() {
@Override
public boolean onTouch(View v, MotionEvent event) {
Toast.makeText(context, "Inside Method startAnimation", 1000).show();
anim_left_right = AnimationUtils.loadAnimation(context,
R.anim.anim_left_to_right1);
anim_right_left = AnimationUtils.loadAnimation(context,
R.anim.anim_left_to_right2);
ll.startAnimation(anim_right_left);
ll.setLayoutParams(new LayoutParams(130, height));
/*AnimationUtils AnimAnimationUtils = null;
// TODO Auto-generated method stub
MyAnimation=AnimAnimationUtils.loadAnimation(ll.getContext(),R.anim.anim_left_to_right1);
//startAnimation(ll);
ll.startAnimation(MyAnimation);*/
return true;
}
});
landed.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Toast.makeText(context,
"Button Clicked at position " + position,
Toast.LENGTH_SHORT).show();
}
});
from_user.setText(map.get("Name"));
from_user_id.setText(map.get("Vicinity"));
imageLoader.DisplayImage(map.get("logo"), imageView);
System.out.println("pos" + position + " closedPositon : "
+ closedPosition + " tag : " + ll.getTag());
String imageUrl = map.get("logo");
System.out.println("ClosedPosition in getView Method : "
+ closedPosition);
//if(flag==true){
// convertView=null;
//}
return convertView;
}
protected void startAnimation(LinearLayout ll3) {
// TODO Auto-generated method stub
Toast.makeText(context, "Inside Method startAnimation", 1000).show();
anim_left_right = AnimationUtils.loadAnimation(context,
R.anim.anim_left_to_right1);
anim_right_left = AnimationUtils.loadAnimation(context,
R.anim.anim_left_to_right2);
ll3.startAnimation(anim_right_left);
ll3.setLayoutParams(new LayoutParams(130, height));
}
@Override
public HashMap<String, String> getItem(int arg0) {
// TODO Auto-generated method stub
return myList.get(arg0);
}
@Override
public long getItemId(int arg0) {
// TODO Auto-generated method stub
return arg0;
}
class MyTouchListener implements OnTouchListener {
float xstart, xend;
@Override
public boolean onTouch(final View v, MotionEvent event) {
anim_left_right = AnimationUtils.loadAnimation(context,
R.anim.anim_left_to_right1);
anim_right_left = AnimationUtils.loadAnimation(context,
R.anim.anim_left_to_right2);
System.out.println("OnTouch Called..");
flag = true;
switch (event.getAction()) {
case MotionEvent.ACTION_DOWN:
xstart = event.getX();
firstRun = false;
flag6 = true;
break;
case MotionEvent.ACTION_UP:
xend = event.getX();
if (xend < xstart) {
flag6 = true;
}
if (xstart < xend) {
System.out.println("inside xstart<xend...");
flag6 = false;
flag8=true;
System.out.println("flag6 : false");
// if (flag5 == true) {
// if(flag2==true){
if (flag4 == true && flag5 == true) { // first time left to
flag0 = false;// right is
break;
}
if(flag7==false){
flag8 = false;
flag7=true;
}
else{
flag8=true;
//flag6 = true;
}
if (flag4 == true && flag0 == true && flag8==true) { // first time left to
System.out.println("IF after break is executed.."); // right
// is
// disabled....
System.out.println("first time left to right");
System.out.println(" xend :" + xend + ", xstart :"
+ xstart);
v.setBackgroundResource(R.drawable.a);
v.setLayoutParams(new LayoutParams(width, height));
v.startAnimation(anim_left_right);
// ll1 = null;
flag4 = false;
// flag6=false;
ff = true;
}
// }
// }
//ff = true;
}
break;
}
return false;
}
}
class MyClickListener implements OnClickListener {
@Override
public void onClick(View v) {
// TODO Auto-generated method stub
Animation anim_left_right = AnimationUtils.loadAnimation(context,
R.anim.anim_left_to_right1);
Animation anim_right_left = AnimationUtils.loadAnimation(context,
R.anim.anim_left_to_right2);
System.out.println("OnClick Called..");
// if (flag4 == true || j==1) {
if (flag6 == true) {
System.out.println("InSide OnClick..");
if (ff) {
System.out.println("InSide OnClick..");
// closedPosition = (Integer) v.getTag();
System.out
.println("MyTouchListener is Called before getview..");
System.out.println("closdeposiotion : " + closedPosition);
v.startAnimation(anim_right_left);
v.setLayoutParams(new LayoutParams(130, height));
v.setBackgroundColor(Color.BLACK);
ll1 = v;
ll2 = v;
System.out.println("Tag of ll1 in if statement : "
+ ll1.getTag() + "Tag of ll1 in if statement : "
+ v.getTag());
ff = false;
flag4 = true;
flag6 = false;
flag5 = false;
flag0 = true;
flag = true;
} else {
flag4 = true;
flag5 = true;
System.out.println("InSide OnClick..");
v.startAnimation(anim_right_left);
v.setLayoutParams(new LayoutParams(130, height));
v.setBackgroundColor(Color.BLACK);
System.out.println("Tag of ll1 in else statement : "
+ v.getTag());
//ll1 = v;
// flag4 = true;
flag6 = false;
// flag5 = true;
if (ll1 != null) {
ll1.setBackgroundResource(R.drawable.a);
ll1.setLayoutParams(new LayoutParams(width, height));
ll1.startAnimation(anim_left_right);
System.out.println("Tag of ll1 in else statement : "
+ ll1.getTag());
// ll1 = null;
// ff = true;
flag5 = false;
// flag4 = false;
flag7 = false;
flag6 = false;
flag=true;
}
ll1 = v;
ll2 = v;
}
}
}
// }
}
}
Listpalceholder.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical" >
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:orientation="horizontal" >
<EditText
android:id="@+id/edtSearch"
android:layout_width="230dp"
android:layout_height="wrap_content"
android:hint="Search"
android:singleLine="true" />
<Button
android:id="@+id/btnNext"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Clear" />
</LinearLayout>
<ListView
android:id="@id/android:list"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:layout_weight="1"
android:drawSelectorOnTop="false" />
<TextView
android:id="@id/android:empty"
android:layout_width="fill_parent"
android:layout_height="wrap_content"
android:text="Sorry..No Match Found.."
android:textSize="20dp"/>
</LinearLayout>
My_Custom_layout.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="wrap_content"
android:orientation="horizontal"
android:padding="2dp" >
<ImageView
android:id="@+id/imageView1"
android:layout_width="70dp"
android:layout_height="70dp"
android:src="@drawable/icon" />
<FrameLayout
android:id="@+id/frame"
android:layout_width="fill_parent"
android:layout_height="fill_parent" >
<Button
android:id="@+id/button1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:text="Landed"
/>
<LinearLayout
android:id="@+id/ll1"
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:background="@drawable/a"
android:orientation="vertical" >
<TextView
android:id="@+id/from_user"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#000000" />
<TextView
android:id="@+id/from_user_id"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textColor="#000000" />
</LinearLayout>
</FrameLayout>
</LinearLayout>
请帮我....