完成选择话题功能

app/src/main/AndroidManifest.xml

            android:name=".activity.VideoCompressionActivity"
            android:screenOrientation="portrait"/>
        <activity
            android:name=".activity.SelectTopicActivity"
            android:screenOrientation="portrait"/>
        <activity
            android:name=".activity.CarModelActivity"
            android:launchMode="singleTop"
            android:screenOrientation="portrait" />

app/src/main/java/com/electric/chargingpile/activity/SelectTopicActivity.java

package com.electric.chargingpile.activity;
import android.content.Context;
import android.content.Intent;
import android.os.Bundle;
import android.view.View;
import android.widget.TextView;
import androidx.annotation.Nullable;
import androidx.appcompat.app.AppCompatActivity;
import androidx.recyclerview.widget.LinearLayoutManager;
import androidx.recyclerview.widget.RecyclerView;
import com.electric.chargingpile.R;
import com.electric.chargingpile.adapter.CommentTopicAdapter;
import com.electric.chargingpile.util.BarColorUtil;
public class SelectTopicActivity  extends AppCompatActivity {
    private RecyclerView mRecyclerView;
    private TextView noDataText;
    private CommentTopicAdapter mAdapter;
    @Override
    protected void onCreate(@Nullable @org.jetbrains.annotations.Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_slelect_topic);
        BarColorUtil.initStatusBarColor(this);
        initView();
    }
    private void initView() {
        findViewById(R.id.iv_back).setOnClickListener(v->{
            finish();
        });
        mRecyclerView = findViewById(R.id.topicRecycelrView);
        noDataText = findViewById(R.id.noDataText);
        mRecyclerView.setLayoutManager(new LinearLayoutManager(this));
        mAdapter = new CommentTopicAdapter();
        mRecyclerView.setAdapter(mAdapter);
        noDataText.setVisibility(View.GONE);
        mRecyclerView.setVisibility(View.VISIBLE);
    }
    public static void actionStart(Context context){
        Intent intent = new Intent(context, SelectTopicActivity.class);
        context.startActivity(intent);
    }
}

app/src/main/java/com/electric/chargingpile/activity/ZhanCommentActivity.java

import android.os.Message;
import android.provider.MediaStore;
import android.text.Editable;
import android.text.Html;
import android.text.TextWatcher;
import android.util.Base64;
import android.util.Log;
import pub.devrel.easypermissions.AfterPermissionGranted;
import pub.devrel.easypermissions.EasyPermissions;
import static android.text.Html.FROM_HTML_MODE_LEGACY;
public class ZhanCommentActivity extends AppCompatActivity implements View.OnClickListener, EasyPermissions.PermissionCallbacks {
    private static final String TAG = "ZhanCommentActivity";
    private static final int PIC_NUM = 1;
    List<String> list;
    private String select_s = "";
    private String select_ss = "";
    private TextView tv_grade, tv_point,tv_zhan_name;
    private TextView tv_grade, tv_point,tv_zhan_name,topicText;
    private static String PHOTO_FILE_NAME = "";
    private static final String PHOTO_FILE_PATH = getPath(PhotoUtils.CACHE_DIR);
        rl_point = (RelativeLayout) findViewById(R.id.rl_point);
        tv_point = (TextView) findViewById(R.id.tv_point);
        tv_zhan_name = (TextView) findViewById(R.id.tv_zhan_name);
        topicText = (TextView) findViewById(R.id.topicText);
        topicText.setText(Html.fromHtml("<font color='#6AB650'>╋</font>  话题",FROM_HTML_MODE_LEGACY));
        animation = AnimationUtils.loadAnimation(getApplicationContext(), R.anim.nn);
        relativeLayout = (RelativeLayout) findViewById(R.id.activity_zhan_comment);
        tv_zhan_name.setOnClickListener(v->{
            CommentHintDialog.newInstart().show(getSupportFragmentManager());
        });
        topicText.setOnClickListener(v->{
            //跳转至话题页
            SelectTopicActivity.actionStart(this);
        });
    }
    public void Init() {

app/src/main/java/com/electric/chargingpile/adapter/CommentTopicAdapter.java

package com.electric.chargingpile.adapter;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.TextView;
import androidx.annotation.NonNull;
import androidx.recyclerview.widget.RecyclerView;
import com.electric.chargingpile.R;
import org.jetbrains.annotations.NotNull;
import org.w3c.dom.Text;
public class CommentTopicAdapter extends RecyclerView.Adapter<CommentTopicAdapter.ViewHolder> {
    private OnItemClickListener mListener;
    public OnItemClickListener getListener() {
        return mListener;
    }
    public void setListener(OnItemClickListener mListener) {
        this.mListener = mListener;
    }
    public interface OnItemClickListener {
        void onItemClick(int pos);
    }
    @NonNull
    @NotNull
    @Override
    public ViewHolder onCreateViewHolder(@NonNull @NotNull ViewGroup parent, int viewType) {
        View rootView = LayoutInflater.from(parent.getContext()).inflate(R.layout.layout_item_topic, parent, false);
        return new ViewHolder(rootView);
    }
    @Override
    public void onBindViewHolder(@NonNull @NotNull ViewHolder holder, int position) {
        holder.title.setText("标题"+position);
        holder.participateText.setText("内容够"+position+"参与");
        holder.onlookersText.setText("标题"+position+"围观");
        holder.itemView.setOnClickListener(v->{
            if (mListener!=null)
                mListener.onItemClick(position);
        });
    }
    @Override
    public int getItemCount() {
        return 20;
    }
    public static class ViewHolder extends RecyclerView.ViewHolder {
        private final TextView participateText;
        private final TextView title;
        private final TextView onlookersText;
        public ViewHolder(@NonNull @NotNull View itemView) {
            super(itemView);
            title = itemView.findViewById(R.id.title);
            participateText = itemView.findViewById(R.id.participateText);
            onlookersText = itemView.findViewById(R.id.onlookersText);
        }
    }
}

app/src/main/res/drawable/bg_topic_tab.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:width="66dp" android:height="28dp">
        <shape android:shape="rectangle">
            <stroke android:width="1dp" android:color="#ffdedede" />
            <corners android:radius="4dp" />
        </shape>
    </item>
</selector>

app/src/main/res/layout/activity_slelect_topic.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools">
    <RelativeLayout
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        android:id="@+id/rl_title"
        android:layout_width="match_parent"
        android:layout_height="130px"
        android:layout_alignParentStart="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentTop="true"
        android:background="@color/title_background">
        <TextView
            android:textStyle="bold"
            android:layout_centerInParent="true"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:text="选择话题"
            android:textColor="#ff1a1b1f"
            android:textSize="18sp"
            />
        <ImageView
            android:id="@+id/iv_back"
            android:layout_width="wrap_content"
            android:layout_height="match_parent"
            android:layout_alignParentLeft="true"
            android:layout_centerVertical="true"
            android:contentDescription="@null"
            android:paddingLeft="12dp"
            android:paddingTop="4dp"
            android:paddingRight="12dp"
            android:paddingBottom="4dp"
            android:src="@drawable/icon_lvback1119"
            app:tint="#69B355" />
    </RelativeLayout>
    <androidx.recyclerview.widget.RecyclerView
        android:id="@+id/topicRecycelrView"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:visibility="gone"
        tools:visibility="visible"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/rl_title"
        tools:listitem="@layout/layout_item_topic" />
    <TextView
        android:visibility="visible"
        android:id="@+id/noDataText"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="没有相关话题"
        android:textColor="#ff7b7b7b"
        android:textSize="14sp"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/rl_title" />
</androidx.constraintlayout.widget.ConstraintLayout>

app/src/main/res/layout/activity_zhan_comment.xml

        android:background="@color/title_background">
        <TextView
            android:drawablePadding="5dp"
            android:drawableEnd="@drawable/ic_comm_hint"
            android:id="@+id/tv_zhan_name"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_centerInParent="true"
            android:drawableEnd="@drawable/ic_comm_hint"
            android:drawablePadding="5dp"
            android:text="发表评论"
            android:textColor="#222222"
            android:textSize="16sp" />
                android:textSize="13sp"
                android:visibility="visible" />
            <TextView
                android:layout_marginBottom="13dp"
                android:id="@+id/topicText"
                android:background="@drawable/bg_topic_tab"
                android:layout_width="66dp"
                android:layout_height="28dp"
                android:layout_marginStart="15dp"
                android:gravity="center"
                android:text="╋  话题"
                android:textColor="#ff0e0e0e"
                android:textSize="13sp" />
            <GridView
                android:id="@+id/noScrollgridview"
                android:layout_width="match_parent"
                    android:textColor="@color/white"
                    android:textSize="19sp" />
            </LinearLayout>
            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"

app/src/main/res/layout/layout_item_topic.xml

<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:padding="12dp"
    android:layout_height="wrap_content">
    <TextView
        app:layout_constraintTop_toTopOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        android:id="@+id/topicImg"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="#"
        android:textColor="#3EC34C"
        android:textSize="13sp"
        />
    <TextView
        android:textStyle="bold"
        android:ellipsize="end"
        android:maxLines="1"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginStart="4dp"
        tools:text="首届电动车主代表海选"
        android:textColor="#ff0e0e0e"
        android:textSize="14sp"
        app:layout_constraintBottom_toBottomOf="@+id/topicImg"
        android:id="@+id/title"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toEndOf="@+id/topicImg"
        app:layout_constraintTop_toTopOf="@+id/topicImg" />
    <TextView
        android:id="@+id/participateText"
        android:layout_marginTop="8dp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/topicImg"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        tools:text="1492车主参与"
        android:textColor="#ff7b7b7b"
        android:textSize="12sp"
        />
    <TextView
        android:id="@+id/onlookersText"
        android:layout_marginStart="16dp"
        app:layout_constraintBottom_toBottomOf="@+id/participateText"
        app:layout_constraintTop_toTopOf="@+id/participateText"
        app:layout_constraintStart_toEndOf="@+id/participateText"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        tools:text="1492车主围观"
        android:textColor="#ff7b7b7b"
        android:textSize="12sp"
        />
</androidx.constraintlayout.widget.ConstraintLayout>