Android中的ListView实现图片文字和按钮

实现效果图：

布局文件：

vlist2.xml
?

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 <?xmlversion="1.0"encoding="utf-8"?> <LinearLayoutxmlns:android="http://schemas.android.com/apk/res/android" android:orientation="horizontal" android:layout_width="fill_parent" android:layout_height="fill_parent"> <ImageViewandroid:id="@+id/img" android:layout_width="wrap_content" android:layout_height="wrap_content" android:layout_margin="5px"/> <LinearLayoutandroid:orientation="vertical" android:layout_width="wrap_content" android:layout_height="wrap_content"> <TextViewandroid:id="@+id/title" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textColor="#FFFFFFFF" android:textSize="22px"/> <TextViewandroid:id="@+id/info" android:layout_width="wrap_content" android:layout_height="wrap_content" android:textColor="#FFFFFFFF" android:textSize="13px"/> </LinearLayout> <Buttonandroid:id="@+id/view_btn" android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="@string/s_view_btn" android:layout_gravity="bottom|right"/> </LinearLayout>

程序代码：

1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 /** * @author allin * */ publicclassMyListView4 extendsListActivity { privateList<Map<String, Object>> mData; @Override publicvoidonCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); mData = getData(); MyAdapter adapter = newMyAdapter(this); setListAdapter(adapter); } privateList<Map<String, Object>> getData() { List<Map<String, Object>> list = newArrayList<Map<String, Object>>(); Map<String, Object> map = newHashMap<String, Object>(); map.put("title", "G1"); map.put("info", "google 1"); map.put("img", R.drawable.i1); list.add(map); map = newHashMap<String, Object>(); map.put("title", "G2"); map.put("info", "google 2"); map.put("img", R.drawable.i2); list.add(map); map = newHashMap<String, Object>(); map.put("title", "G3"); map.put("info", "google 3"); map.put("img", R.drawable.i3); list.add(map); returnlist; } // ListView 中某项被选中后的逻辑 @Override protectedvoidonListItemClick(ListView l, View v, intposition, longid) { Log.v("MyListView4-click", (String)mData.get(position).get("title")); } /** * listview中点击按键弹出对话框 */ publicvoidshowInfo(){ newAlertDialog.Builder(this) .setTitle("我的listview") .setMessage("介绍...") .setPositiveButton("确定", newDialogInterface.OnClickListener() { @Override publicvoidonClick(DialogInterface dialog, intwhich) { } }) .show(); } publicfinalclassViewHolder{ publicImageView img; publicTextView title; publicTextView info; publicButton viewBtn; } publicclassMyAdapter extendsBaseAdapter{ privateLayoutInflater mInflater; publicMyAdapter(Context context){ this.mInflater = LayoutInflater.from(context); } @Override publicintgetCount() { // TODO Auto-generated method stub returnmData.size(); } @Override publicObject getItem(intarg0) { // TODO Auto-generated method stub returnnull; } @Override publiclonggetItemId(intarg0) { // TODO Auto-generated method stub return0; } @Override publicView getView(intposition, View convertView, ViewGroup parent) { ViewHolder holder = null; if(convertView == null) { holder=newViewHolder(); convertView = mInflater.inflate(R.layout.vlist2, null); holder.img = (ImageView)convertView.findViewById(R.id.img); holder.title = (TextView)convertView.findViewById(R.id.title); holder.info = (TextView)convertView.findViewById(R.id.info); holder.viewBtn = (Button)convertView.findViewById(R.id.view_btn); convertView.setTag(holder); }else{ holder = (ViewHolder)convertView.getTag(); } holder.img.setBackgroundResource((Integer)mData.get(position).get("img")); holder.title.setText((String)mData.get(position).get("title")); holder.info.setText((String)mData.get(position).get("info")); holder.viewBtn.setOnClickListener(newView.OnClickListener() { @Override publicvoidonClick(View v) { showInfo(); } }); returnconvertView; } } }

更多相关文章

随机推荐