代码运行目录
<?xml version="1.0" encoding="utf-8"?>
<manifest xmlns:android="http://schemas.android.com/apk/res/android"
package="com.example.administrator.testapp"> <application
android:allowBackup="true"
android:icon="@mipmap/ic_launcher"
android:label="@string/app_name"
android:supportsRtl="true"
android:theme="@style/AppTheme">
<activity android:name=".MainActivity" />
<activity android:name=".test_activity6" />
<activity android:name=".TestActivity7" />
<activity android:name=".TestActivity8" />
<activity android:name=".Main2Activity" />
<activity android:name=".TestActivity9" />
<activity android:name=".TestActivity10" />
<activity android:name=".TestActivity11">
</activity>
<activity android:name=".TsetActivity12">
<intent-filter>
<action android:name="android.intent.action.MAIN" />
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
</application> </manifest>
布局文件
<?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">
<ImageView
android:layout_width="70dp"
android:layout_height="70dp"
android:id="@+id/iv_1"/>
<TextView
android:layout_width="70dp"
android:layout_height="wrap_content"
android:gravity="center"
android:id="@+id/tv_1"/>
</LinearLayout>
表格布局文件
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:paddingBottom="@dimen/activity_vertical_margin"
android:paddingLeft="@dimen/activity_horizontal_margin"
android:paddingRight="@dimen/activity_horizontal_margin"
android:paddingTop="@dimen/activity_vertical_margin"
tools:context="com.example.wang.myapplication.Main2Activity">
<GridView
android:layout_width="match_parent"
android:layout_height="match_parent"
android:id="@+id/gv_1"
android:numColumns="4"
android:gravity="center"
android:horizontalSpacing="20dp">
</GridView>
</RelativeLayout>
自定义对话框布局文件
<?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"> <EditText
android:layout_width="match_parent"
android:layout_height="50dp"
android:layout_marginTop="5dp"
android:gravity="center"
android:hint="请从f1~f10中选择一张图"
android:id="@+id/et_2" />
<EditText
android:layout_width="match_parent"
android:layout_height="50dp"
android:layout_marginTop="5dp"
android:gravity="center"
android:hint="请给图片命名"
android:id="@+id/et_1" />
</LinearLayout>
JAVA运行程序
package com.example.administrator.testapp; import android.app.AlertDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.util.Log;
import android.view.View;
import android.view.ViewGroup;
import android.widget.AdapterView;
import android.widget.BaseAdapter;
import android.widget.EditText;
import android.widget.GridView;
import android.widget.ImageView;
import android.widget.TextView;
import android.widget.Toast; import java.util.ArrayList;
import java.util.List; public class TsetActivity12 extends AppCompatActivity { GridView gv_1;
List<MyClass> lm; @Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2); gv_1=(GridView)findViewById(R.id.gv_1); lm=new ArrayList<MyClass>(); MyClass myClass=new MyClass(R.drawable.f1,"名称1"); lm.add(myClass);
lm.add(new MyClass(R.drawable.f2,"名称2")); lm.add(new MyClass(R.drawable.f3,"名称3")); lm.add(new MyClass(R.drawable.f4,"名称4")); lm.add(new MyClass(R.drawable.f5,"名称5")); lm.add(new MyClass(R.drawable.f6,"名称6")); lm.add(new MyClass(R.drawable.f7,"名称7")); lm.add(new MyClass(R.drawable.f8,"名称8")); lm.add(new MyClass(R.drawable.f9,"名称9")); final GridAdapter gridAdapter=new GridAdapter(); gv_1.setAdapter(gridAdapter); gv_1.setOnItemClickListener(new AdapterView.OnItemClickListener() { @Override
public void onItemClick(AdapterView<?> parent, View view, final int position, long id) { final View view1=View.inflate(TsetActivity12.this, R.layout.activity_main4, null); new AlertDialog.Builder(TsetActivity12.this)
.setView(view1)
.setNegativeButton("添加", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) { EditText et_1=(EditText)view1.findViewById(R.id.et_1); String str12=et_1.getText().toString(); if (str12.length()>=5||str12.trim().length()==0)
{
Toast.makeText(TsetActivity12.this, "不符合命名规则，请重新命名",
Toast.LENGTH_SHORT).show(); return;
} EditText et_2=(EditText)view1.findViewById(R.id.et_2); String str22=et_2.getText().toString(); String a="a",aa="aa",aaa="aaa",aaaa="aaaa"; if (str22.equals(a))
{
lm.add(new MyClass(R.drawable.f1,str12));
}
else if (str22.equals(aa))
{
lm.add(new MyClass(R.drawable.f2,str12));
}
else if (str22.equals(aaa))
{
lm.add(new MyClass(R.drawable.f3,str12));
}
else if (str22.equals(aaaa))
{
lm.add(new MyClass(R.drawable.f4,str12));
}
else
{
Toast.makeText(TsetActivity12.this, "请从a,aa,aaa,aaaa中选择",
Toast.LENGTH_SHORT).show();
} gridAdapter.notifyDataSetChanged();
}
})
.setNeutralButton("取消",null)
.setPositiveButton("修改", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
MyClass myClass = lm.get(position); EditText et_1 = (EditText) view1.findViewById(R.id.et_1); String str12 = et_1.getText().toString(); if (str12.length() >= 5) {
Toast.makeText(TsetActivity12.this, "不符合命名规则，请重新命名",
Toast.LENGTH_SHORT).show();
return;
} EditText et_2 = (EditText) view1.findViewById(R.id.et_2); String str22 = et_2.getText().toString(); String a = "a", aa = "aa", aaa = "aaa", aaaa = "aaaa"; if (str22.equals(a)) {
if (str12.length() == 0) {
myClass.setImg(R.drawable.f1);//只修改图片
} else {
myClass.setImg(R.drawable.f1);
myClass.setName(str12);
}
} else if (str22.equals(aa)) {
if (str12.length() == 0) {
myClass.setImg(R.drawable.f2);
} else {
myClass.setImg(R.drawable.f2);
myClass.setName(str12);
}
} else if (str22.equals(aaa)) {
if (str12.length() == 0) {
myClass.setImg(R.drawable.f3);
} else {
myClass.setImg(R.drawable.f3);
myClass.setName(str12);
}
} else if (str22.equals(aaaa)) {
if (str12.length() == 0) {
myClass.setImg(R.drawable.f4);
} else {
myClass.setImg(R.drawable.f4);
myClass.setName(str12);
}
} else if (str22.length() == 0) {
if (str12.length() == 0) {
Toast.makeText(TsetActivity12.this, "请至少修改一项内容", Toast.LENGTH_SHORT).show();
} else {
myClass.setName(str12);
}
} else {
Toast.makeText(TsetActivity12.this, "请从a,aa,aaa,aaaa中选择", Toast.LENGTH_SHORT).show();
} gridAdapter.notifyDataSetChanged();
}
})
.show();
}
}); gv_1.setOnItemLongClickListener(new AdapterView.OnItemLongClickListener() {
@Override
public boolean onItemLongClick(AdapterView<?> parent, View view, int position, long id) {
lm.remove(position);
gridAdapter.notifyDataSetChanged();
return true;
}
}); } class GridAdapter extends BaseAdapter
{
@Override
public int getCount() {
return lm.size();
} @Override
public Object getItem(int position) {
return lm.get(position);
} @Override
public long getItemId(int position) {
return 0;
} @Override
public View getView(int position, View convertView, ViewGroup parent) { MyClass myClass=lm.get(position); if (convertView==null)
{
Log.e("TAG", "适配器 getView=" + position);
convertView=View.inflate(TsetActivity12.this,R.layout.activity_main4,null);
}
ImageView imageView=(ImageView)convertView.findViewById(R.id.iv_1); imageView.setImageResource(myClass.getImg()); TextView textView=(TextView)convertView.findViewById(R.id.tv_1); if (myClass.getName().length()>=5||myClass.getName().trim().length()==0)
{
Toast.makeText(TsetActivity12.this, myClass.getName()+"不符合命名规则，请重新命名",
Toast.LENGTH_LONG).show(); textView.setText("");
}
else
{
textView.setText(myClass.getName());
} return convertView;
}
} class MyClass
{
private int img; private String name; public int getImg() {
return img;
} public void setImg(int img) {
this.img = img;
} public String getName() {
return name;
} public void setName(String name) {
this.name = name;
} public MyClass(int img,String name)
{
this.img=img;
this.name=name;
}
}
}