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Android中用GridView实现九宫格的两种方法
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1.傳統辦法：實現一個繼承BaseAdapter的 ImageAdapter
java代碼如下：
[java]?view plaincopy
package?com.test;?? ?? import?android.app.Activity;?? import?android.content.Context;?? import?android.os.Bundle;?? import?android.view.LayoutInflater;?? import?android.view.View;?? import?android.view.ViewGroup;?? import?android.widget.AdapterView;?? import?android.widget.BaseAdapter;?? import?android.widget.GridView;?? import?android.widget.ImageView;?? import?android.widget.TextView;?? import?android.widget.Toast;?? import?android.widget.AdapterView.OnItemClickListener;?? ?? public?class?GridViewActivity?extends?Activity?{?? ?? ?????? ????private?Integer[]?mFunctionPics?=?{R.drawable.mobilesecurity,R.drawable.infosecurity,?? ????????????R.drawable.no_interrupt,R.drawable.bianjiejieting,R.drawable.xiaomishu?? ????????????,R.drawable.sms_send_attime,R.drawable.yule,R.drawable.setting};?? ?????? ????private?Integer[]?mFunctionName?=?{R.string.phone_tools_box_name1,?? ????????????R.string.phone_tools_box_name2,R.string.phone_tools_box_name3,?? ????????????R.string.phone_tools_box_name4,R.string.phone_tools_box_name5,?? ????????????R.string.phone_tools_box_name6,R.string.phone_tools_box_name7,?? ????????????R.string.phone_tools_box_name8};?? ????@Override?? ????protected?void?onCreate(Bundle?savedInstanceState)?{?? ????????super.onCreate(savedInstanceState);?? ????????setContentView(R.layout.gridview_main);?? ?????????? ????????GridView?girdview?=?(GridView)?this.findViewById(R.id.girdview);?? ????????girdview.setAdapter(new?ImageAdapter(this));?? ????????girdview.setOnItemClickListener(new?OnItemClickListener()?{?? ????????????@Override?? ????????????public?void?onItemClick(AdapterView<?>?parent,?View?view,?? ????????????????????int?position,?long?id)?{?? ????????????????Toast.makeText(GridViewActivity.this,?"圖片ID："+mFunctionPics[position],1).show();?? ????????????}?? ????????});?? ?????????? ????}?? ?????? ????public?class?ImageAdapter?extends?BaseAdapter{?? ?? ????????private?Context?mContext;?? ????????private?LayoutInflater?inflater;?? ????????private?class?GirdTemp{?? ????????????ImageView?phone_function_pic;?? ????????????TextView?phone_function_name;?? ????????}?? ????????public?ImageAdapter(Context?c){?? ????????????mContext?=?c;?? ????????????inflater?=?(LayoutInflater)?mContext.getSystemService(Context.LAYOUT_INFLATER_SERVICE);?? ????????}?? ????????@Override?? ????????public?int?getCount()?{?? ????????????return?mFunctionPics.length;?? ????????}?? ?? ????????@Override?? ????????public?Object?getItem(int?position)?{?? ????????????return?position;?? ????????}?? ?? ????????@Override?? ????????public?long?getItemId(int?position)?{?? ????????????return?position;?? ????????}?? ?? ????????@Override?? ????????public?View?getView(int?position,?View?convertView,?ViewGroup?parent)?{?? ????????????GirdTemp?temp;?? ????????????if(convertView?==?null){?? ????????????????convertView?=?inflater.inflate(R.layout.gridview_item,?null);?? ????????????????temp?=?new?GirdTemp();?? ????????????????temp.phone_function_pic?=?(ImageView)?convertView.findViewById(R.id.function_view);?? ????????????????temp.phone_function_name?=?(TextView)?convertView.findViewById(R.id.function_name);?? ????????????????convertView.setTag(holder);?? ????????????}else{?? ????????????????temp?=?(GirdHolder)?convertView.getTag();?? ????????????}?? ????????????temp.phone_function_pic.setImageResource(mFunctionPics[position]);?? ????????????temp.phone_function_name.setText(mFunctionName[position]);?? ????????????return?convertView;?? ????????}?? ?????????? ????}?? ?? }??
girdview_main.xml代碼如下：
<?xml?version="1.0"?encoding="utf-8"?>?? <GridView?xmlns:android="http://schemas.android.com/apk/res/android"??? ????android:id="@+id/gridview"?? ????android:layout_width="fill_parent"??? ????android:layout_height="fill_parent"?? ????android:numColumns="auto_fit"? //自動適應多少行 ????android:verticalSpacing="20dp"? //兩行之間的距離 ????android:horizontalSpacing="20dp"? //兩列之間的距離 ????android:gravity="center"?? />?
girdview_item.xml源碼：
<?xml?version="1.0"?encoding="utf-8"?>?? <RelativeLayout??? ????????xmlns:android="http://schemas.android.com/apk/res/android"??? ?android:layout_height="wrap_content"? android:layout_width="fill_parent"? ?????????<ImageView>??? ? ? ? ? ? ? ? ??android:layout_width="wrap_content" android:layout_height="wrap_content" android:id="@+id/function_view" android:layout_centerHorizontal="true" </ImageView>? ?????????<TextView??? ???????????????android:layout_width="wrap_content"??? ???????????????android:layout_below="@+id/function_view"??? ???????????????android:layout_height="wrap_content"? ? ???????????????android:layout_centerHorizontal="true"??? ???????????????android:id="@+id/function_name">?? ?????????</TextView>?? </RelativeLayout>??
?2.跟ListView類似的數據綁定方式
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具體查看hellogv的這篇博客：http://blog.csdn.net/hellogv/article/details/4567095
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