android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical" >
<ImageView
android:id="@+id/image"
android:layout_width="100sp"
android:layout_height="150sp"
android:scaleType="fitXY" />
<TextView
android:id="@+id/text"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center"/>
</LinearLayout>
MainActivity.java
package com.example.gridviewdemo;
import java.util.ArrayList;
import java.util.HashMap;
import java.util.List;
import android.app.Activity;
import android.content.Intent;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.AdapterView;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.GridView;
import android.widget.SimpleAdapter;
public class MainActivity extends Activity implements OnItemClickListener {
private GridView grid;
//图片数组,图片id
private int[] images = new int[]{R.drawable.p1,R.drawable.p2,R.drawable.p3,R.drawable.p4 ,R.drawable.p5,R.drawable.p6};
//图片下面文字
private String[] titles = new String[]{"MM1","MM2","MM3","MM4", "MM5", "MM6"};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
grid = (GridView) findViewById(R.id.grid1);
SimpleAdapter adapter = getAdapter();
grid.setAdapter(adapter);
//图片点击
grid.setOnItemClickListener(this);
}
private SimpleAdapter getAdapter() {
List<HashMap<String, Object>> list = new ArrayList<HashMap<String, Object>>();
//把数据放入list中
for(int i = 0; i < 6; i++){
HashMap<String, Object> m = new HashMap<String, Object>();
m.put("image", images[i]);
m.put("text", titles[i]);
list.add(m);
}
String from[] = new String[]{"image", "text"};
int[] to = new int[]{R.id.image, R.id.text};
//适配器
SimpleAdapter adapter = new SimpleAdapter(this, list, R.
layout.item, from, to);
return adapter;
}
@Override
public void onItemClick(AdapterView<?> parent, View view, int position,
long id) {
//取出用户点击的当前元素
HashMap<String, Object> m = (HashMap<String, Object>) parent.getItemAtPosition(position);
//图片id
Integer pid = (Integer) m.get("image");
Intent intent = new Intent(this, ImageActivity.class);
intent.putExtra("pid", pid);
startActivity(intent);
}
}
activity_image.xml
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:id="@+id/LinearLayout1"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context="${relativePackage}.${activityClass}" >
<!-- android:scaleType="fitXY"等比拉伸 -->
<ImageView
android:id="@+id/image1"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:scaleType="fitXY"/>
</LinearLayout>
文末
架构师不是天生的，是在项目中磨练起来的，所以，我们学了技术就需要结合项目进行实战训练，那么在Android里面最常用的架构无外乎 MVC，MVP，MVVM，但是这些思想如果和模块化，层次化，组件化混和在一起，那就不是一件那么简单的事了，我们需要一个真正身经百战的架构师才能讲解透彻其中蕴含的深理。
一线互联网Android面试题总结含详解（初级到高级专题）
