不多说上代码

public abstract class NineGridAdapter {

protected Context context;

protected List list;

public NineGridAdapter(Context context, List list) {

this.context = context;

this.list = list;

}

public abstract int getCount();

public abstract String getUrl(int positopn);

public abstract Object getItem(int position);

public abstract long getItemId(int position);

public abstract View getView(int i, View view);

}

package com.wd.weidologin.pic;

import android.content.Context;

import android.util.AttributeSet;

import android.util.DisplayMetrics;

import android.view.View;

import android.view.ViewGroup;

import android.widget.ImageView;

public class NineGridlayout extends ViewGroup {

private NineGridAdapter adapter;

private OnItemClickListerner onItemClickListerner;

// 行间距

private int lineSpace;

//列间距

private int gap;

private final int DEFAULT_WIDTH = 140;

private int columns;//

private int rows;//

private int totalWidth;

private Context context;

int singleWidth = 0, singleHeight = 0;

private int defaultWidth, defaultHeight;

private int oldCount;

public NineGridlayout(Context context) {

this(context, null);

}

public NineGridlayout(Context context, AttributeSet attrs) {

this(context, attrs, 0);

}

public NineGridlayout(Context context, AttributeSet attrs, int defStyleAttr) {

super(context, attrs, defStyleAttr);

this.context = context;

gap = dip2px(context, 10);

lineSpace = dip2px(context,10);

ViewGroup.LayoutParams lp = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,

ViewGroup.LayoutParams.WRAP_CONTENT);

defaultWidth = defaultHeight = dip2px(context, DEFAULT_WIDTH);

}

public void setDefaultWidth(int defaultWidth) {

this.defaultWidth = defaultWidth;

}

public void setDefaultHeight(int defaultHeight) {

this.defaultHeight = defaultHeight;

}

public void setAdapter(NineGridAdapter adapter) {

this.adapter = adapter;

if (adapter == null) {

return;

}

//初始化布局形状

generateChildrenLayout(adapter.getCount());

//这里做一个重用view的处理

// if (oldCount == 0) {

removeAllViews();

for (int i = 0; i < adapter.getCount(); i++) {

View itemView = adapter.getView(i, null);

addView(itemView, generateDefaultLayoutParams());

}

// }

/*else {

//以前添加过view

int newViewCount = adapter.getCount();

if (oldCount > newViewCount) {

removeViews(newViewCount - 1, oldCount - newViewCount);

for (int i = 0; i < newViewCount - 1; i++) {

adapter.getView(i, getChildAt(i));

}

} else if (oldCount < newViewCount) {

for (int i = 0; i < newViewCount - oldCount; i++) {

View itemView = adapter.getView(i, null);

addView(itemView, generateDefaultLayoutParams());

}

}

}*/

oldCount = adapter.getCount();

requestLayout();

}

@Override

protected void onMeasure(int widthMeasureSpec, int heightMeasureSpec) {

super.onMeasure(widthMeasureSpec, heightMeasureSpec);

int widthMode = MeasureSpec.getMode(widthMeasureSpec);

int heightMode = MeasureSpec.getMode(heightMeasureSpec);

int sizeWidth = MeasureSpec.getSize(widthMeasureSpec);

int sizeHeight = MeasureSpec.getSize(heightMeasureSpec);

totalWidth = sizeWidth - getPaddingLeft() - getPaddingRight();

if (adapter != null && adapter.getCount() > 0) {

int measureWidth, measureHeight;

int childrenCount = adapter.getCount();

if (childrenCount == 1) {

singleWidth = defaultWidth;

singleHeight = defaultHeight;

} else {

singleWidth = (totalWidth - gap * (3 - 1)) / 3;

singleHeight = singleWidth;

}

measureChildren(MeasureSpec.makeMeasureSpec(singleWidth, MeasureSpec.EXACTLY),

MeasureSpec.makeMeasureSpec(singleHeight, MeasureSpec.EXACTLY));

measureWidth = singleWidth * columns + gap * (columns - 1);

measureHeight = singleHeight * rows + lineSpace * (rows - 1);

setMeasuredDimension(sizeWidth, measureHeight);

}

}

@Override

protected void onLayout(boolean changed, int l, int t, int r, int b) {

layoutChildrenView();

}

private void layoutChildrenView() {

if (adapter == null || adapter.getCount() == 0) {

return;

}

int childrenCount = adapter.getCount();

for (int i = 0; i < childrenCount; i++) {

int[] position = findPosition(i);

int left = (singleWidth + gap) * position[1] + getPaddingLeft();

int top = (singleHeight + lineSpace) * position[0] + getPaddingTop();

int right = left + singleWidth;

int bottom = top + singleHeight;

ImageView childrenView = (ImageView) getChildAt(i);

if (childrenCount == 1) {

//只有一张图片

childrenView.setScaleType(ImageView.ScaleType.FIT_CENTER);

} else {

childrenView.setScaleType(ImageView.ScaleType.CENTER_CROP);

}

final int itemPosition = i;

childrenView.setOnClickListener(new OnClickListener() {

@Override

public void onClick(View v) {

if (onItemClickListerner != null) {

onItemClickListerner.onItemClick(v, itemPosition);

}

}

});

childrenView.layout(left, top, right, bottom);

}

}

private int[] findPosition(int childNum) {

int[] position = new int[2];

for (int i = 0; i < rows; i++) {

for (int j = 0; j < columns; j++) {

if ((i * columns + j) == childNum) {

position[0] = i;//行

position[1] = j;//列

break;

}

}

}

return position;

}

public int getGap() {

return gap;

}

public void setGap(int gap) {

this.gap = gap;

}

/**

* 根据图片个数确定行列数量

* 对应关系如下

* numrowcolumn

* 1 11

* 2 12

* 3 13

* 4 22

* 5 23

* 6 23

* 7 33

* 8 33

* 9 33

*

* @param length

*/

private void generateChildrenLayout(int length) {

if (length <= 3) {

rows = 1;

columns = length;

} else if (length <= 6) {

rows = 2;

columns = 3;

if (length == 4) {

columns = 2;

}

} else {

rows = 3;

columns = 3;

}

}

/**

* dp to px

*/

public static int dip2px(Context context, double dpValue) {

final float scale = context.getResources().getDisplayMetrics().density;

return (int) (dpValue * scale + 0.5f);

}

public void setOnItemClickListerner(OnItemClickListerner onItemClickListerner) {

this.onItemClickListerner = onItemClickListerner;

}

public interface OnItemClickListerner {

public void onItemClick(View view, int position);

}

}

package com.wd.weidologin.home;

import androidx.appcompat.app.AppCompatActivity;

import androidx.recyclerview.widget.GridLayoutManager;

import androidx.recyclerview.widget.RecyclerView;

import android.content.BroadcastReceiver;

import android.content.Context;

import android.content.Intent;

import android.content.IntentFilter;

import android.content.SharedPreferences;

import android.graphics.Color;

import android.os.Bundle;

import android.util.Log;

import android.view.View;

import android.view.ViewGroup;

import android.widget.ImageView;

import android.widget.Toast;

import com.bumptech.glide.Glide;

import com.google.gson.Gson;

import com.wd.weidologin.R;

import com.wd.weidologin.adapter.AttentionRequestAdapter;

import com.wd.weidologin.okutil.okRE;

import com.wd.weidologin.pic.NineGridAdapter;

import com.wd.weidologin.pic.NineGridlayout;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

public class MainActivity2 extends AppCompatActivity {

private RecyclerView ry;

private AttentionRequestAdapter attentionRequestAdapter;

private ArrayList lists=new ArrayList<>();

private NineGridlayout mGV;

private CircleBean.ResultEntity result;

private String picture;

private List list = new ArrayList();

private Adapter adapter;

public static final String ACTION ="com.example.casts";

private String msg;

private SharedPreferences canfig;

private SharedPreferences.Editor edited;

private String imageUrl = "http://pic1.nipic.com/2008-09-08/200898163242920_2.jpg";//如果没有接口可以用这个简单代替这个就不需要进行切割了

@Override

protected void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.activity_main2);

init();//(有接口的情况)

list.add(imageUrl);//没有接口的情况 ---====================

if (adapter == null){

adapter = new Adapter(this,list);

mGV.setAdapter(adapter);

}

mGV.setOnItemClickListerner(new NineGridlayout.OnItemClickListerner() {

@Override

public void onItemClick(View view, int position) {

Toast.makeText(getApplicationContext(), String.valueOf(position),Toast.LENGTH_LONG).show();

}

});//没有接口的情况 ---====================不要混

}

private void init() {

// int sickCircleId = getIntent().getIntExtra("sickCircleId", 0);

canfig = getSharedPreferences("canfig", Context.MODE_PRIVATE);

edited = canfig.edit();

int resultkey = canfig.getInt("resultkey", 0);

String url="http:....."+resultkey;

HashMap headmap = new HashMap<>();

headmap.put("userId","287");

headmap.put("sessionId","1604985492394287");

okRE.getInstance().getCircledetails(url,headmap, new okRE.NetCallBack() {

@Override

public void onSuccess(String string) {

CircleBean circleBean = new Gson().fromJson(string, CircleBean.class);

picture = circleBean.getResult().getPicture();

Toast.makeText(MainActivity2.this, picture+"", Toast.LENGTH_SHORT).show();

mGV = findViewById(R.id.d);

String[] split = picture.split(",");//一般多图上传后需要将图片进行切割

if (picture.equals("")){//在这里我进行了是否有图片的判断以免没有图片还进行占位

mGV.setVisibility(View.GONE);

}

for (int i = 0; i < split.length; i++) {

list.add(split[i]);

}

if (adapter == null){

adapter = new Adapter(MainActivity2.this,list);

mGV.setAdapter(adapter);

}

mGV.setOnItemClickListerner(new NineGridlayout.OnItemClickListerner() {图片点击事件

@Override

public void onItemClick(View view, int position) {

Toast.makeText(getApplicationContext(), String.valueOf(position),Toast.LENGTH_LONG).show();

}

});

}

@Override

public void onFail(String string) {

// Toast.makeText(MainActivity.this, string+"", Toast.LENGTH_SHORT).show();

}

});

}

private class Adapter extends NineGridAdapter {//适配器

public Adapter(Context context, List list){

super(context,list);

}

@Override

public int getCount() {

return list == null?0:list.size();

}

@Override

public String getUrl(int positon) {

return getItem(positon) == null ? null : getItem(positon).toString();

}

@Override

public Object getItem(int position) {

return (list == null) ? null : list.get(position);

}

@Override

public long getItemId(int position) {

return position;

}

@Override

public View getView(int i, View view) {

ImageView imageView = new ImageView(getApplicationContext());

ViewGroup.LayoutParams lp = new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT,

ViewGroup.LayoutParams.WRAP_CONTENT);

imageView.setScaleType(ImageView.ScaleType.CENTER_CROP);

imageView.setBackgroundColor(Color.parseColor("#f5f5f5"));

imageView.setLayoutParams(lp);

Glide.with(context).load(getUrl(i)).into(imageView);

return imageView;

}

}

}

最后因为这个包含网络请求所以需要进行设置

在res下创建xml文件夹创建network_security_config.xml

放到

并且添加网络权限

网路请求请看以往博客 多图上传请看以往博客或者我上传的代码,后续我会将全部整合上传demo

感谢观看

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