不多說上代碼

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; // 行間距 private int lineSpace; //列間距 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; } //初始化布局形狀 generateChildrenLayout(adapter.getCount()); //這里做一個重用view的處理// if (oldCount == 0) { removeAllViews(); for (int i = 0; i < adapter.getCount(); i++) { View itemView = adapter.getView(i, null); addView(itemView, generateDefaultLayoutParams()); }// } /*else { //以前添加過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) {//只有一張圖片childrenView.setScaleType(ImageView.ScaleType.FIT_CENTER); } else {childrenView.setScaleType(ImageView.ScaleType.CENTER_CROP); } final int itemPosition = i; childrenView.setOnClickListener(new OnClickListener() {@Overridepublic 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; } /** * 根據圖片個數確定行列數量 * 對應關系如下 * 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<CircleBean.ResultEntity> lists=new ArrayList<>(); private NineGridlayout mGV; private CircleBean.ResultEntity result; private String picture; private List<String> list = new ArrayList<String>(); 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';//如果沒有接口可以用這個簡單代替這個就不需要進行切割了 @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main2); init();//（有接口的情況） list.add(imageUrl);//沒有接口的情況 ---==================== 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(); } });//沒有接口的情況 ---====================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<String, String> 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(',');//一般多圖上傳后需要將圖片進行切割if (picture.equals('')){//在這里我進行了是否有圖片的判斷以免沒有圖片還進行占位 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() {圖片點擊事件 @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 {//適配器 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; } }}

最后因為這個包含網絡請求所以需要進行設置在res下創建xml文件夾創建network_security_config.xml

<?xml version='1.0' encoding='utf-8'?><network-security-config> <base-config cleartextTrafficPermitted='true' /></network-security-config>

放到

并且添加網絡權限

<uses-permission android:name='android.permission.INTERNET' />

網路請求請看以往博客 多圖上傳請看以往博客或者我上傳的代碼,后續我會將全部整合上傳demo感謝觀看

到此這篇關于Android 多圖上傳后將圖片進行九宮格展示的文章就介紹到這了,更多相關Android 多圖展示九宮格內容請搜索好吧啦網以前的文章或繼續瀏覽下面的相關文章希望大家以后多多支持好吧啦網！