我想在此搜索功能中添加onclicklisnter，但我无法执行此操作。过滤项目后，点击项目列表不起作用。我尝试了stackoverflow上提供的许多答案，但它们对我不起作用。到目前为止，我已经尝试过 -
ExampleActivity.java
package com.tricktekno.search;
import android.content.Intent;
import android.graphics.Color;
import android.os.Bundle;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.util.DiffUtil;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.view.View;
import android.widget.AdapterView.OnItemClickListener;
import android.widget.AdapterView;
import android.widget.TextView;
import android.widget.Toast;
import com.facebook.drawee.backends.pipeline.Fresco;
import com.facebook.imagepipeline.core.ImagePipelineConfig;
import com.yalantis.filter.adapter.FilterAdapter;
import com.yalantis.filter.animator.FiltersListItemAnimator;
import com.yalantis.filter.listener.FilterListener;
import com.yalantis.filter.widget.Filter;
import com.yalantis.filter.widget.FilterItem;
import org.jetbrains.annotations.NotNull;
import java.util.ArrayList;
import java.util.List;
public class ExampleActivity extends AppCompatActivity implements FilterListener<Tag> {
private RecyclerView mRecyclerView;
private int[] mColors;
private String[] mTitles;
private List<Question> mAllQuestions;
private Filter<Tag> mFilter;
private QuestionsAdapter mAdapter;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_example);
ImagePipelineConfig config = ImagePipelineConfig
.newBuilder(this)
.setDownsampleEnabled(true)
.build();
Fresco.initialize(this, config);
mColors = getResources().getIntArray(R.array.colors);
mTitles = getResources().getStringArray(R.array.job_titles);
mFilter = (Filter<Tag>) findViewById(R.id.filter);
mFilter.setAdapter(new Adapter(getTags()));
mFilter.setListener(this);
//the text to show when there's no selected items
mFilter.setNoSelectedItemText(getString(R.string.str_all_selected));
mFilter.build();
mRecyclerView = (RecyclerView) findViewById(R.id.list);
mRecyclerView.setLayoutManager(new LinearLayoutManager(this, LinearLayoutManager.VERTICAL, false));
mRecyclerView.setAdapter(mAdapter = new QuestionsAdapter(this, mAllQuestions = getQuestions()));
mRecyclerView.setItemAnimator(new FiltersListItemAnimator());
}
private void calculateDiff(final List<Question> oldList, final List<Question> newList) {
DiffUtil.calculateDiff(new DiffUtil.Callback() {
@Override
public int getOldListSize() {
return oldList.size();
}
@Override
public int getNewListSize() {
return newList.size();
}
@Override
public boolean areItemsTheSame(int oldItemPosition, int newItemPosition) {
return oldList.get(oldItemPosition).equals(newList.get(newItemPosition));
}
@Override
public boolean areContentsTheSame(int oldItemPosition, int newItemPosition) {
return oldList.get(oldItemPosition).equals(newList.get(newItemPosition));
}
}).dispatchUpdatesTo(mAdapter);
}
private List<Tag> getTags() {
List<Tag> tags = new ArrayList<>();
for (int i = 0; i < mTitles.length; ++i) {
tags.add(new Tag(mTitles[i], mColors[i]));
}
return tags;
}
@Override
public void onNothingSelected() {
if (mRecyclerView != null) {
mAdapter.setQuestions(mAllQuestions);
mAdapter.notifyDataSetChanged();
}
}
private List<Question> getQuestions() {
return new ArrayList<Question>() {{
add(new Question("Carol Bell", "Graphic Designer",
"http://kingofwallpapers.com/girl/girl-011.jpg", "Nov 20, 6:12 PM",
"What is the first step to transform an idea into an actual project?", new ArrayList<Tag>() {{
add(new Tag(mTitles[2], mColors[2]));
add(new Tag(mTitles[4], mColors[4]));
}}));
add(new Question("Melissa Morales", "Project Manager",
"http://weknowyourdreams.com/images/girl/girl-03.jpg", "Nov 20, 3:48 AM",
"What is your biggest frustration with taking your business/career (in a corporate) to the next level?", new ArrayList<Tag>() {{
add(new Tag(mTitles[1], mColors[1]));
add(new Tag(mTitles[5], mColors[5]));
}}));
add(new Question("Rochelle Yingst", "iOS Developer",
"http://www.viraldoza.com/wp-content/uploads/2014/03/8876509-lily-pretty-girl.jpg", "Nov 20, 6:12 PM",
"What is the first step to transform an idea into an actual project?", new ArrayList<Tag>() {{
add(new Tag(mTitles[7], mColors[7]));
add(new Tag(mTitles[8], mColors[8]));
}}));
add(new Question("Lacey Barbara", "QA Engineer",
"http://kingofwallpapers.com/girl/girl-019.jpg", "Nov 20, 6:12 PM",
"What is the first step to transform an idea into an actual project?", new ArrayList<Tag>() {{
add(new Tag(mTitles[3], mColors[3]));
add(new Tag(mTitles[9], mColors[9]));
}}));
add(new Question("Teena Allain", "Android Developer",
"http://tribzap2it.files.wordpress.com/2014/09/hannah-simone-new-girl-season-4-cece.jpg", "Nov 20, 6:12 PM",
"What is the first step to transform an idea into an actual project?", new ArrayList<Tag>() {{
add(new Tag(mTitles[1], mColors[1]));
add(new Tag(mTitles[6], mColors[6]));
}}));
}};
}
public void details(View v){
TextView tv =(TextView) findViewById(R.id.text_name);
tv.setText("Anurag");
tv.setTextColor(Color.GREEN);
}
private List<Question> findByTags(List<Tag> tags) {
List<Question> questions = new ArrayList<>();
for (Question question : mAllQuestions) {
for (Tag tag : tags) {
if (question.hasTag(tag.getText()) && !questions.contains(question)) {
questions.add(question);
}
}
}
return questions;
}
@Override
public void onFiltersSelected(@NotNull ArrayList<Tag> filters) {
List<Question> newQuestions = findByTags(filters);
List<Question> oldQuestions = mAdapter.getQuestions();
mAdapter.setQuestions(newQuestions);
calculateDiff(oldQuestions, newQuestions);
}
@Override
public void onFilterSelected(Tag item) {
if (item.getText().equals(mTitles[0])) {
mFilter.deselectAll();
mFilter.collapse();
}
}
@Override
public void onFilterDeselected(Tag item) {
}
class Adapter extends FilterAdapter<Tag> {
Adapter(@NotNull List<? extends Tag> items) {
super(items);
}
@NotNull
@Override
public FilterItem createView(int position, Tag item) {
FilterItem filterItem = new FilterItem(ExampleActivity.this);
filterItem.setStrokeColor(mColors[0]);
filterItem.setTextColor(mColors[0]);
filterItem.setCheckedTextColor(ContextCompat.getColor(ExampleActivity.this, android.R.color.white));
filterItem.setColor(ContextCompat.getColor(ExampleActivity.this, android.R.color.white));
filterItem.setCheckedColor(mColors[position]);
filterItem.setText(item.getText());
filterItem.deselect();
return filterItem;
}
}
}
activit_example.xml
<?xml version="1.0" encoding="utf-8"?>
<android.support.design.widget.CoordinatorLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.design.widget.AppBarLayout
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v7.widget.Toolbar
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:background="@color/colorPrimary"
android:elevation="4dp"
android:paddingRight="16dp">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<android.support.v7.widget.AppCompatImageView
android:layout_width="24dp"
android:layout_height="24dp"
android:layout_centerVertical="true"
android:src="@drawable/ic_alarm"
android:tint="@android:color/white" />
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_centerInParent="true"
android:text="Questions"
android:textColor="@android:color/white"
android:textSize="20sp" />
<android.support.v7.widget.AppCompatImageView
android:layout_width="24dp"
android:layout_height="24dp"
android:layout_alignParentRight="true"
android:layout_centerVertical="true"
android:src="@drawable/ic_search"
android:tint="@android:color/white" />
</RelativeLayout>
</android.support.v7.widget.Toolbar>
</android.support.design.widget.AppBarLayout>
<FrameLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:background="#E4E6E3"
app:layout_behavior="@string/appbar_scrolling_view_behavior">
<android.support.v7.widget.RecyclerView
android:id="@+id/list"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:onClick="onItemClick"
android:clickable="true"
android:layout_marginTop="@dimen/container_height"
tools:listitem="@layout/item_list" />
<com.yalantis.filter.widget.Filter
android:id="@+id/filter"
android:layout_width="match_parent"
android:layout_height="wrap_content" />
</FrameLayout>
</android.support.design.widget.CoordinatorLayout>
item_list.xml
<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:fresco="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:background="@android:color/white">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:onClick="onItemClick"
android:clickable="true">
<View
android:id="@+id/dividerTop"
android:layout_width="match_parent"
android:layout_height="20dp"
android:background="#E4E6E3" />
<com.facebook.drawee.view.SimpleDraweeView
android:id="@+id/avatar"
android:layout_width="60dp"
android:layout_height="60dp"
android:layout_below="@+id/dividerTop"
android:layout_margin="16dp"
fresco:actualImageScaleType="focusCrop"
fresco:roundAsCircle="true"
fresco:roundWithOverlayColor="@android:color/white" />
<TextView
android:id="@+id/text_name"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignTop="@+id/avatar"
android:layout_marginTop="10dp"
android:layout_toEndOf="@+id/avatar"
android:layout_toLeftOf="@+id/text_date"
android:layout_toStartOf="@+id/text_date"
android:text="Carol Bell"
android:textColor="#827f93"
android:textSize="18sp"
android:textStyle="bold" />
<TextView
android:id="@+id/text_job_title"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignStart="@+id/text_name"
android:layout_below="@+id/text_name"
android:layout_marginBottom="10dp"
android:text="Graphic Designer"
android:textColor="#827f93" />
<TextView
android:id="@+id/text_date"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentEnd="true"
android:layout_below="@+id/dividerTop"
android:layout_margin="26dp"
android:text="Nov 20, 6:12 PM"
android:textColor="#827f93" />
<TextView
android:id="@+id/filter_first"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/avatar"
android:layout_marginLeft="16dp"
android:padding="10dp"
android:textColor="@android:color/white" />
<TextView
android:id="@+id/filter_second"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignTop="@+id/filter_first"
android:layout_marginLeft="10dp"
android:layout_toEndOf="@+id/filter_first"
android:padding="10dp"
android:textColor="@android:color/white" />
<View
android:id="@+id/divider"
android:layout_width="match_parent"
android:layout_height="1dp"
android:layout_below="@+id/text_question"
android:layout_marginLeft="16dp"
android:layout_marginRight="16dp"
android:background="#ebebeb" />
<TextView
android:id="@+id/text_question"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentStart="true"
android:layout_below="@+id/filter_first"
android:layout_margin="16dp"
android:text="What is the first step to transform an idea into an actual project?"
android:textColor="#827f93" />
</RelativeLayout>
</RelativeLayout>