我做的有一个ListView列表,每个列表项都有一个ProgreeBar,但是我用SimpleAdapter,向里面添加基本的TextView可以成功添加,但是不知道如何添加进度条,不知道我说的是否详细package softfc.app;import java.util.ArrayList;
import java.util.HashMap;
import java.util.Map;
import android.app.Activity;
import android.app.ListActivity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.SimpleAdapter;public class TestActivity extends Activity { private SimpleAdapter listItemAdapter = null;
private ArrayList<HashMap<String, Object>> listItem = null;
private ListView myList = null;
private Button addBtn=null;
private Button removeBtn=null;
private ProgressBar progressBar = null;
private int progress = 10; /** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main); listItem = new ArrayList<HashMap<String, Object>>();
listItemAdapter = new SimpleAdapter(this, listItem,
R.layout.mylayout,
new String[] { "image",
"title", "text","progress" },
new int[] {
R.id.ItemImage,
R.id.ItemTitle,
R.id.ItemText ,
R.id.progressBar}); myList = (ListView) findViewById(R.id.TaxiList);
myList.setAdapter(listItemAdapter);
addBtn = (Button)findViewById(R.id.addBtn);
addBtn.setOnClickListener(new OnClickListener(){ @Override
public void onClick(View v) {
addItem();
}
});
removeBtn = (Button)findViewById(R.id.removeBtn);
removeBtn.setOnClickListener(new OnClickListener(){ @Override
public void onClick(View v) {
deleteItem();
}
}); } private void addItem() {
HashMap<String, Object> map = new HashMap<String, Object>();
map.put("image", R.drawable.icon);
map.put("title", "标题");
map.put("text", "要显示的内容");
map.put("progress", new ProgressBar(this));
listItem.add(map);
listItemAdapter.notifyDataSetChanged();
} private void deleteItem() {
int size = listItem.size();
if (size > 0) {
listItem.remove(listItem.size() - 1);
listItemAdapter.notifyDataSetChanged();
}
}}
import java.util.HashMap;
import java.util.Map;
import android.app.Activity;
import android.app.ListActivity;
import android.os.Bundle;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.SimpleAdapter;public class TestActivity extends Activity { private SimpleAdapter listItemAdapter = null;
private ArrayList<HashMap<String, Object>> listItem = null;
private ListView myList = null;
private Button addBtn=null;
private Button removeBtn=null;
private ProgressBar progressBar = null;
private int progress = 10; /** Called when the activity is first created. */
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main); listItem = new ArrayList<HashMap<String, Object>>();
listItemAdapter = new SimpleAdapter(this, listItem,
R.layout.mylayout,
new String[] { "image",
"title", "text","progress" },
new int[] {
R.id.ItemImage,
R.id.ItemTitle,
R.id.ItemText ,
R.id.progressBar}); myList = (ListView) findViewById(R.id.TaxiList);
myList.setAdapter(listItemAdapter);
addBtn = (Button)findViewById(R.id.addBtn);
addBtn.setOnClickListener(new OnClickListener(){ @Override
public void onClick(View v) {
addItem();
}
});
removeBtn = (Button)findViewById(R.id.removeBtn);
removeBtn.setOnClickListener(new OnClickListener(){ @Override
public void onClick(View v) {
deleteItem();
}
}); } private void addItem() {
HashMap<String, Object> map = new HashMap<String, Object>();
map.put("image", R.drawable.icon);
map.put("title", "标题");
map.put("text", "要显示的内容");
map.put("progress", new ProgressBar(this));
listItem.add(map);
listItemAdapter.notifyDataSetChanged();
} private void deleteItem() {
int size = listItem.size();
if (size > 0) {
listItem.remove(listItem.size() - 1);
listItemAdapter.notifyDataSetChanged();
}
}}
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import android.app.Activity;
import android.os.Bundle;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.view.View.OnClickListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.ListView;public class TestActivity extends Activity {
private Button addBut;
private ListView list;
private Adapter adapter;
int position=0;
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.main);
addBut=(Button)findViewById(R.id.addBut);
list=(ListView)findViewById(R.id.list);
adapter=new Adapter();
list.setAdapter(adapter);
addBut.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View v) {
position++;
adapter.notifyDataSetInvalidated();
}
});
}
class Adapter extends BaseAdapter {
public int getCount() {
return position;
}
public Object getItem(int position) {
return null;
}
public long getItemId(int position) {
return 0;
}
public View getView(int position, View convertView, ViewGroup parent) {
LayoutInflater inflater = getLayoutInflater();
LinearLayout itemLayout = (LinearLayout) inflater.inflate(
R.layout.item, null); return itemLayout;
}
}
}main.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
android:layout_width="fill_parent"
android:layout_height="fill_parent"
android:orientation="vertical"
xmlns:android="http://schemas.android.com/apk/res/android"
>
<Button android:id="@+id/addBut"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:text="新增"/>
<ListView
android:id="@+id/list"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
/>
</LinearLayout>
item.xml
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:layout_width="match_parent"
android:layout_height="match_parent">
<ProgressBar android:id="@+id/progressBar"
android:textColor="#00ffff" android:scrollbarSize="25dp"
android:layout_width="430dip" style="?android:attr/progressBarStyleHorizontal"
android:focusable="false" android:layout_height="20dp"
android:layout_gravity="center_vertical" />
</LinearLayout>
import android.os.Bundle;
import android.os.Handler;
import android.view.Gravity;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.view.ViewGroup.LayoutParams;
import android.widget.AbsListView;
import android.widget.AbsListView.OnScrollListener;
import android.widget.BaseAdapter;
import android.widget.Button;
import android.widget.LinearLayout;
import android.widget.ListView;
import android.widget.ProgressBar;
import android.widget.TextView;public class ListViewActivity extends ListActivity implements OnScrollListener {
private LinearLayout mLoadLayout;
private LinearLayout mProgressLoadLayout;
private ListView mListView;
private ListViewAdapter mListViewAdapter = new ListViewAdapter();
private int mLastItem = 0;
private int mCount = 41;
private final Handler mHandler = new Handler();// 在Handler中加载数据
private final LayoutParams mLayoutParams = new LinearLayout.LayoutParams(
LinearLayout.LayoutParams.WRAP_CONTENT,
LinearLayout.LayoutParams.WRAP_CONTENT);
int scrollState;// 全局变量,用来记录ScrollView的滚动状态,1表示开始滚动,2表示正在滚动,0表示滚动停止
int visibleItemCount;// 当前可见页面中的Item总数 @Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
/**
* "加载项"布局,此布局被添加到ListView的Footer中。
*/
mLoadLayout = new LinearLayout(this);
mLoadLayout.setMinimumHeight(30);
mLoadLayout.setGravity(Gravity.CENTER);
mLoadLayout.setOrientation(LinearLayout.VERTICAL); /*
* 当点击按钮的时候显示这个View,此View使用水平方式布局,左边是一个进度条,右边是文本,默认设为不可见
*/
mProgressLoadLayout = new LinearLayout(this);
mProgressLoadLayout.setMinimumHeight(30);
mProgressLoadLayout.setGravity(Gravity.CENTER);
mProgressLoadLayout.setOrientation(LinearLayout.HORIZONTAL); ProgressBar mProgressBar = new ProgressBar(this);
mProgressBar.setPadding(0, 0, 15, 0);
mProgressLoadLayout.addView(mProgressBar, mLayoutParams);// 为布局添加进度条 TextView mTipContent = new TextView(this);
mTipContent.setText("加载中...");
mProgressLoadLayout.addView(mTipContent, mLayoutParams);// 为布局添加文本
mProgressLoadLayout.setVisibility(View.GONE);// 默认设为不可见,注意View.GONE和View.INVISIBLE的区别 mLoadLayout.addView(mProgressLoadLayout);// 把之前的布局以View对象添加进来
final Button button = new Button(this);
button.setText("加载更多");
// 添加按钮
mLoadLayout.addView(button, new LayoutParams(LayoutParams.FILL_PARENT,
LayoutParams.WRAP_CONTENT));
button.setOnClickListener(new OnClickListener() { @Override
public void onClick(View v) {
if (mLastItem == mListViewAdapter.count
&& scrollState == OnScrollListener.SCROLL_STATE_IDLE) {
// 当点击时把带进度条的Layout设为可见,把Button设为不可见
mProgressLoadLayout.setVisibility(View.VISIBLE);
button.setVisibility(View.GONE);
if (mListViewAdapter.count <= mCount) {
mHandler.postDelayed(new Runnable() {
@Override
public void run() {
mListViewAdapter.count += 10;
mListViewAdapter.notifyDataSetChanged();
mListView.setSelection(mLastItem
- visibleItemCount + 1);
// 获取数据成功时把Layout设为不可见,把Button设为可见
mProgressLoadLayout.setVisibility(View.GONE);
button.setVisibility(View.VISIBLE);
}
}, 2000);
}
}
}
}); mListView = getListView();
mListView.addFooterView(mLoadLayout);
setListAdapter(mListViewAdapter);
mListView.setOnScrollListener(this);
} @Override
public void onScroll(AbsListView view, int firstVisibleItem,
int visibleItemCount, int totalItemCount) {
this.visibleItemCount = visibleItemCount;
mLastItem = firstVisibleItem + visibleItemCount - 1;
if (mListViewAdapter.count > mCount) {
mListView.removeFooterView(mLoadLayout);
}
} @Override
public void onScrollStateChanged(AbsListView view, int scrollState) {
this.scrollState = scrollState; } class ListViewAdapter extends BaseAdapter {
int count = 10; public int getCount() {
return count;
} public Object getItem(int position) {
return position;
} public long getItemId(int position) {
return position;
} public View getView(int position, View view, ViewGroup parent) {
TextView mTextView;
if (view == null) {
mTextView = new TextView(ListViewActivity.this);
} else {
mTextView = (TextView) view;
}
mTextView.setText("Item " + position);
mTextView.setTextSize(20f);
mTextView.setGravity(Gravity.CENTER);
mTextView.setHeight(60);
return mTextView;
}
}
}
这个就是你想要的效果,不许要xml文件,你直接在eclipse里面就可以运行了,看看先。有什么不懂的可以问我