Android仿微信朋友圈点赞和评论功能-创新互联
最近在做朋友圈的项目，所以写一个Android仿朋友圈点赞和评论功能Demo，代码就是简单实现了一下功能，没有做优化，凑合看。
图文排列是用的RecyclerView实现的，弹窗效果是用的自定义的PopupWindow，点赞应该是在本地请求数据库,设置一个flag，获取当前用户的id后，带着id向服务器post一个flag，评论就比较简单了,也是获取当前朋友id(或者昵称)，带着内容,向服务器post
贴代码：
package com.example.lenovo.dianzandemo;
import android.content.Context;
import android.graphics.drawable.ColorDrawable;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ImageView;
import android.widget.PopupWindow;
import android.widget.TextView;
import android.widget.Toast;
public class MainActivity extends AppCompatActivity {
private RecyclerView recyclerView;
private int[] pics;
private String[] descs;
public Context mContext;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mContext = getApplicationContext();
pics = new int[]{R.mipmap.test1, R.mipmap.test5, R.mipmap.test6, R.mipmap.test7, R.mipmap.test8, R.mipmap.test9, R.mipmap.test10, R.mipmap.test12, R.mipmap.test13, R.mipmap.test14, R.mipmap.test1, R.mipmap.test5, R.mipmap.test6, R.mipmap.test7, R.mipmap.test8, R.mipmap.test9, R.mipmap.test10, R.mipmap.test12, R.mipmap.test13, R.mipmap.test14};
descs = new String[]{
"诗人承陈隋风流，浮靡相矜。",
"古今诗人众矣，而杜子美为首，岂非以其流落饥寒，终身不用，而一饭未尝忘君也欤？",
"老杜诗，凡一篇皆工拙相半，古人文章类如此。",
"王介甫只知巧语之为诗，而不知拙语亦诗也；山谷只知奇语之为诗，而不知常语亦诗也",
"子美诗奄有古今。学者能识国风、骚人之旨，然后知子美用意处",
"或问王荆公云：编四家诗，以杜甫为第一，李白为第四，岂白之才格词致不逮甫也？",
"山谷云，老杜作诗，退之作文，无一字无来处，盖后人读书少，故谓韩、杜自作此语耳。",
"观杜者不唯见其律，而有见其骚者焉；不唯见其骚，而有见其雅者焉",
"盛唐一味秀丽雄浑。杜则精粗、巨细、巧拙、新陈、险易、浅深、浓淡、肥瘦靡不毕具",
"大概杜有三难：极盛难继，首创难工，遘衰难挽",
"诗人承陈隋风流，浮靡相矜。",
"古今诗人众矣，而杜子美为首，岂非以其流落饥寒，终身不用，而一饭未尝忘君也欤？",
"老杜诗，凡一篇皆工拙相半，古人文章类如此。",
"王介甫只知巧语之为诗，而不知拙语亦诗也；山谷只知奇语之为诗，而不知常语亦诗也",
"子美诗奄有古今。学者能识国风、骚人之旨，然后知子美用意处",
"或问王荆公云：编四家诗，以杜甫为第一，李白为第四，岂白之才格词致不逮甫也？",
"山谷云，老杜作诗，退之作文，无一字无来处，盖后人读书少，故谓韩、杜自作此语耳。",
"观杜者不唯见其律，而有见其骚者焉；不唯见其骚，而有见其雅者焉",
"盛唐一味秀丽雄浑。杜则精粗、巨细、巧拙、新陈、险易、浅深、浓淡、肥瘦靡不毕具",
"大概杜有三难：极盛难继，首创难工，遘衰难挽"
};
initView();
}
private void initView() {
recyclerView = (RecyclerView) findViewById(R.id.recycler_view);
recyclerView.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false));
RecyclerAdapter recyclerAdapter = new RecyclerAdapter(pics, descs, mContext);
recyclerView.setAdapter(recyclerAdapter);
}
}
class RecyclerAdapter extends RecyclerView.Adapter {
private Context mContext;
private String[] descs;
private int[] pics;
private PopupWindow mPop;
public RecyclerAdapter(int[] pics, String[] descs, Context context) {
this.pics = pics;
this.descs = descs;
this.mContext = context;
}
@Override
public MyViewHolder onCreateViewHolder(ViewGroup parent, int viewType) {
View view = View.inflate(parent.getContext(), R.layout.item_layout, null);
MyViewHolder viewHolder = new MyViewHolder(view);
return viewHolder;
}
@Override
public void onBindViewHolder(final MyViewHolder holder, final int position) {
holder.desc.setText(descs[position]);
holder.icon.setImageResource(pics[position]);
holder.zan.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
// Toast.makeText(mContext, position + "被点击了", Toast.LENGTH_SHORT).show();
int zanWidth = holder.zan.getWidth();
int zanHeight = holder.zan.getHeight();
View contentView = LayoutInflater.from(mContext).inflate(R.layout.pop_layout, null);
TextView popZan = (TextView) contentView.findViewById(R.id.pop_zan);
TextView popPinlun = (TextView) contentView.findViewById(R.id.pop_pinlun);
popZan.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(mContext, "点赞", Toast.LENGTH_SHORT).show();
}
});
popPinlun.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(mContext, "评论", Toast.LENGTH_SHORT).show();
}
});
if (mPop == null) { //优化:当popwindow为空的时候才创建,不为空,直接复用
int width = zanWidth * 5; //设置PopupWindow的宽
int height = zanHeight; //设置PopupWindow的高
boolean focusable = true; //设置PopupWindow可获取焦点
mPop = new PopupWindow(contentView, width, height, focusable);
//为PopupWindow设置背景,获取焦点才能生效(谷歌官方要求)
mPop.setBackgroundDrawable(new ColorDrawable());
}
View anchor = holder.zan; //指定PopupWindow在哪个控件下面显示
int xoff = -zanWidth;//指定PopupWindow在x轴方向上的偏移量
int yoff = -zanHeight;//指定PopupWindow在Y轴方向上的偏移量
mPop.showAsDropDown(anchor, xoff, yoff);
}
});
}
@Override
public int getItemCount() {
return pics.length;
}
}
class MyViewHolder extends RecyclerView.ViewHolder {
public TextView desc;
public ImageView icon;
public ImageView zan;
public MyViewHolder(View itemView) {
super(itemView);
desc = (TextView) itemView.findViewById(R.id.desc);
icon = (ImageView) itemView.findViewById(R.id.icon);
zan = (ImageView) itemView.findViewById(R.id.zan);
}
} 文章标题：Android仿微信朋友圈点赞和评论功能-创新互联
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