我在材料搜索视图上有一个后退按钮，但无法使用它返回到先前的布局。后退按钮在搜索时有效，按下后将关闭搜索栏。我希望在关闭搜索栏之后并在打开搜索栏之前打开后退按钮，以打开以前的布局。
带圆圈的后退按钮1
movies_tab.xml：
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_height="match_parent"
android:orientation="vertical">
<FrameLayout
android:id="@+id/toolbar_container"
android:layout_width="match_parent"
android:layout_height="wrap_content">
<android.support.v7.widget.Toolbar
android:id="@+id/toolbar"
android:layout_width="match_parent"
android:layout_height="?attr/actionBarSize"
android:theme="@style/MaterialSearchViewStyle"
app:title="MOVIES"
app:navigationIcon="?attr/homeAsUpIndicator"
app:titleTextAppearance="@style/TextAppearance.MaterialComponents.Headline5"
app:titleTextColor="#000000" />
<com.miguelcatalan.materialsearchview.MaterialSearchView
android:layout_width="match_parent"
app:navigationIcon="?attr/homeAsUpIndicator"
android:layout_height="wrap_content"
android:id="@+id/search_view" />
</FrameLayout>
<ScrollView
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:layout_weight="1">
<LinearLayout 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:orientation="vertical"
tools:context=".movies_tab"
android:weightSum="100">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="9"
android:orientation="vertical"
android:weightSum="100">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="40"
android:orientation="vertical">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.75"
android:paddingLeft="15dp"
android:textSize="25sp"
android:textStyle="bold"
android:text="Newest" />
<android.support.v7.widget.RecyclerView
android:id="@+id/newest"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="3.125" />
</LinearLayout>
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_weight="40"
android:orientation="vertical">
<TextView
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="0.75"
android:paddingLeft="15dp"
android:textSize="25sp"
android:textStyle="bold"
android:text="Hottest" />
<android.support.v7.widget.RecyclerView
android:id="@+id/hottest"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_weight="3.125" />
</LinearLayout>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginTop="7.5dp"
android:layout_marginBottom="7.dp"
android:layout_weight="20"
android:orientation="horizontal">
<ImageView
android:id="@+id/todays_new_pic"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:layout_marginLeft="10dp"
android:src="@mipmap/ic_launcher" />
<TextView
android:id="@+id/todays_new"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_gravity="center"
android:layout_marginLeft="10dp"
android:layout_marginRight="10dp"
android:text="Today's New Movies"
android:textAlignment="center"
android:textSize="20dp" />
</LinearLayout>
</LinearLayout>
</LinearLayout>
</ScrollView>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="85sp"
android:orientation="horizontal"
android:gravity="bottom"
android:layout_marginBottom="-5dp"
android:layout_marginLeft="-3.5dp"
android:layout_marginRight="-3.5dp"
android:background="@drawable/barsa">
<ImageView
android:layout_width="40dp"
android:layout_height="40dp"
android:src="@drawable/movies_dark"
android:id="@+id/movie_button"
android:layout_weight="1"
android:layout_marginBottom="7.5dp"
android:layout_marginLeft="7.5dp"
/>
<ImageView
android:layout_width="40dp"
android:layout_height="40dp"
android:layout_marginBottom="7.5dp"
android:layout_marginLeft="3.5dp"
android:layout_weight="1"
android:src="@drawable/series_light"
android:id="@+id/series_button"/>
<ImageView
android:layout_weight="1"
android:layout_width="40dp"
android:layout_height="40dp"
android:src="@drawable/specials_light"
android:layout_marginBottom="7.5dp"
android:layout_marginLeft="3.5dp"
android:id="@+id/specials_button" />
<ImageView
android:id="@+id/home_button"
android:layout_width="55dp"
android:layout_height="55dp"
android:layout_weight="1"
android:src="@drawable/home_light"
android:layout_marginBottom="30sp" />
<ImageView
android:layout_weight="1"
android:layout_width="40dp"
android:layout_height="40dp"
android:src="@drawable/music_light"
android:id="@+id/actors_button"
android:layout_marginBottom="7.5dp"
android:layout_marginRight="3.5dp"/>
<ImageView
android:layout_weight="1"
android:layout_width="40dp"
android:layout_height="40dp"
android:src="@drawable/favourite_light"
android:id="@+id/favorites_button"
android:layout_marginBottom="7.5dp"
android:layout_marginRight="3.5dp" />
<ImageView
android:layout_weight="1"
android:layout_width="40dp"
android:layout_marginBottom="1dp"
android:layout_marginRight="7.5dp"
android:layout_height="50dp"
android:src="@drawable/downloads_light"
android:id="@+id/downloads_button" />
</LinearLayout>
</LinearLayout>
movies_tab.java：
package com.example.amitc.pvrathome;
import android.annotation.TargetApi;
import android.app.ProgressDialog;
import android.app.SearchManager;
import android.content.ComponentName;
import android.content.Context;
import android.content.Intent;
import android.content.res.ColorStateList;
import android.graphics.drawable.Drawable;
import android.graphics.drawable.RippleDrawable;
import android.os.AsyncTask;
import android.os.Build;
import android.os.Handler;
import android.support.annotation.NonNull;
import android.support.annotation.RequiresApi;
import android.support.design.widget.BottomNavigationView;
import android.support.v4.view.MenuItemCompat;
import android.support.v7.app.ActionBar;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.support.v7.widget.LinearLayoutManager;
import android.support.v7.widget.RecyclerView;
import android.support.v7.widget.SearchView;
import android.support.v7.widget.Toolbar;
import android.text.TextUtils;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.Toast;
import com.android.volley.Request;
import com.android.volley.RequestQueue;
import com.android.volley.Response;
import com.android.volley.VolleyError;
import com.android.volley.toolbox.StringRequest;
import com.android.volley.toolbox.Volley;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import java.util.ArrayList;
import com.bumptech.glide.load.model.Model;
import com.miguelcatalan.materialsearchview.MaterialSearchView;
public class movies_tab extends AppCompatActivity implements SearchView.OnQueryTextListener{
Toolbar toolbar;
private static final String url_newest = "https://www.dropbox.com/s/oeutfdvpmmtzikm/NewestMovies.json?dl=1";
private static final String url_hottest = "https://www.dropbox.com/s/45xopes03s1iyse/Movie.json?dl=1";
private ArrayList<String> m_name = new ArrayList<>();
private ArrayList<String> m_release_year = new ArrayList<>();
private ArrayList<String> m_genre = new ArrayList<>();
private ArrayList<String> m_desc = new ArrayList<>();
private ArrayList<String> m_director = new ArrayList<>();
private ArrayList<String> m_rating = new ArrayList<>();
private ArrayList<String> m_actor = new ArrayList<>();
private ArrayList<String> m_imgsrc = new ArrayList<>();
Context mContext;
StringRequest stringRequest;
StringRequest stringRequest1;
private ArrayList<String> m_name1 = new ArrayList<>();
private ArrayList<String> m_release_year1 = new ArrayList<>();
private ArrayList<String> m_genre1 = new ArrayList<>();
private ArrayList<String> m_director1 = new ArrayList<>();
private ArrayList<String> m_rating1 = new ArrayList<>();
private ArrayList<String> m_actor1 = new ArrayList<>();
private ArrayList<String> m_desc1 = new ArrayList<>();
private ArrayList<String> m_imgsrc1 = new ArrayList<>();
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_movies_tab);
toolbar = findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
ImageView postBackground = (ImageView) findViewById(R.id.home_button);
Drawable image; //this could be any image of your choice
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
image = getDrawable(R.drawable.home_dark);
RippleDrawable rippledImage = null;
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
rippledImage = new RippleDrawable(ColorStateList.valueOf(getColor(R.color.light_white)), image, null);
}
postBackground.setImageDrawable(rippledImage);
}
postBackground.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public void run() {
startActivity(new Intent(movies_tab.this, MainActivity.class));
}
}, 100); //delay 100 milliseconds to see the effect.
}
});
ImageView postBackground1 = (ImageView) findViewById(R.id.movie_button);
Drawable image1; //this could be any image of your choice
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
image1 = getDrawable(R.drawable.movies_dark);
RippleDrawable rippledImage = null;
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
rippledImage = new RippleDrawable(ColorStateList.valueOf(getColor(R.color.light_white)), image1, null);
}
postBackground1.setImageDrawable(rippledImage);
}
postBackground1.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public void run() {
}
}, 100); //delay 100 milliseconds to see the effect.
}
});
ImageView postBackground2 = (ImageView) findViewById(R.id.series_button);
Drawable image2; //this could be any image of your choice
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
image2 = getDrawable(R.drawable.series_dark);
RippleDrawable rippledImage = null;
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
rippledImage = new RippleDrawable(ColorStateList.valueOf(getColor(R.color.light_white)), image2, null);
}
postBackground2.setImageDrawable(rippledImage);
}
postBackground2.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public void run() {
startActivity(new Intent(movies_tab.this, series_tab.class));
}
}, 100); //delay 100 milliseconds to see the effect.
}
});
ImageView postBackground3 = (ImageView) findViewById(R.id.specials_button);
Drawable image3; //this could be any image of your choice
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
image3 = getDrawable(R.drawable.specials_dark);
RippleDrawable rippledImage = null;
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
rippledImage = new RippleDrawable(ColorStateList.valueOf(getColor(R.color.light_white)), image3, null);
}
postBackground3.setImageDrawable(rippledImage);
}
postBackground3.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public void run() {
startActivity(new Intent(movies_tab.this, specials_tab.class));
}
}, 100); //delay 100 milliseconds to see the effect.
}
});
ImageView postBackground4 = (ImageView) findViewById(R.id.actors_button);
Drawable image4; //this could be any image of your choice
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
image4 = getDrawable(R.drawable.music_dark);
RippleDrawable rippledImage = null;
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
rippledImage = new RippleDrawable(ColorStateList.valueOf(getColor(R.color.light_white)), image4, null);
}
postBackground4.setImageDrawable(rippledImage);
}
postBackground4.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public void run() {
startActivity(new Intent(movies_tab.this, music_tab.class));
}
}, 100); //delay 100 milliseconds to see the effect.
}
});
ImageView postBackground5 = (ImageView) findViewById(R.id.favorites_button);
Drawable image5; //this could be any image of your choice
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
image5 = getDrawable(R.drawable.favourite_dark);
RippleDrawable rippledImage = null;
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
rippledImage = new RippleDrawable(ColorStateList.valueOf(getColor(R.color.light_white)), image5, null);
}
postBackground5.setImageDrawable(rippledImage);
}
postBackground5.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public void run() {
startActivity(new Intent(movies_tab.this, favorite_tab.class));
}
}, 100); //delay 100 milliseconds to see the effect.
}
});
ImageView postBackground6 = (ImageView) findViewById(R.id.downloads_button);
Drawable image6; //this could be any image of your choice
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
image6 = getDrawable(R.drawable.downloads_dark);
RippleDrawable rippledImage = null;
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
rippledImage = new RippleDrawable(ColorStateList.valueOf(getColor(R.color.light_white)), image6, null);
}
postBackground6.setImageDrawable(rippledImage);
}
postBackground6.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final Handler handler = new Handler();
handler.postDelayed(new Runnable() {
@Override
public void run() {
startActivity(new Intent(movies_tab.this, downloaded_tab.class));
}
}, 100); //delay 100 milliseconds to see the effect.
}
});
mContext = this;
final ProgressDialog progressDialog = new ProgressDialog(this);
progressDialog.setMessage("Fetching Hottest Movies...");
progressDialog.setCancelable(false);
progressDialog.show();
stringRequest = new StringRequest(Request.Method.GET,
url_hottest,
new Response.Listener<String>() {
@Override
public void onResponse(String s) {
progressDialog.dismiss();
try {
JSONObject jsonObject = new JSONObject(s);
JSONArray array = jsonObject.getJSONArray("movies");
for (int i = 0; i < array.length(); i++) {
JSONObject o = array.getJSONObject(i);
String name = o.getString("name");
String year = o.getString("year");
String genre = o.getString("genre");
String rating = o.getString("rating");
String director = o.getString("directors_name");
String actor = o.getString("cast");
String img_src = o.getString("poster_src");
String desc = o.getString("description");
m_name.add(name);
m_release_year.add(year);
m_genre.add(genre);
m_rating.add(rating);
m_director.add(director);
m_actor.add(actor);
m_imgsrc.add(img_src);
m_desc.add(desc);
}
RecyclerView recyclerView = findViewById(R.id.newest);
RecyclerViewAdapter adapter = new RecyclerViewAdapter(m_name, m_release_year, m_genre, m_desc, m_director, m_rating, m_actor, m_imgsrc,mContext);
recyclerView.setAdapter(adapter);
recyclerView.setLayoutManager(new LinearLayoutManager(mContext, LinearLayoutManager.HORIZONTAL, false));
} catch (JSONException e) {
e.printStackTrace();
}
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
progressDialog.dismiss();
Toast.makeText(getApplicationContext(), "Check Internet", Toast.LENGTH_SHORT).show();
}
});
final ProgressDialog progressDialog1 = new ProgressDialog(this);
progressDialog1.setMessage("Fetching Newest Movies...");
progressDialog1.setCancelable(false);
progressDialog1.show();
stringRequest1 = new StringRequest(Request.Method.GET,
url_newest,
new Response.Listener<String>() {
@Override
public void onResponse(String s) {
progressDialog1.dismiss();
try {
JSONObject jsonObject = new JSONObject(s);
JSONArray array = jsonObject.getJSONArray("movies");
for (int i = 0; i < array.length(); i++) {
JSONObject o = array.getJSONObject(i);
String name = o.getString("name");
String year = o.getString("year");
String genre = o.getString("genre");
String rating = o.getString("rating");
String director = o.getString("directors_name");
String actor = o.getString("cast");
String img_src = o.getString("poster_src");
String desc = o.getString("description");
m_name1.add(name);
m_release_year1.add(year);
m_genre1.add(genre);
m_rating1.add(rating);
m_director1.add(director);
m_actor1.add(actor);
m_imgsrc1.add(img_src);
m_desc1.add(desc);
}
RecyclerView recyclerView = findViewById(R.id.hottest);
RecyclerViewAdapter adapter = new RecyclerViewAdapter(m_name1, m_release_year1, m_genre1, m_desc1, m_director1, m_rating1, m_actor1, m_imgsrc1, mContext);
recyclerView.setAdapter(adapter);
recyclerView.setLayoutManager(new LinearLayoutManager(mContext, LinearLayoutManager.HORIZONTAL, false));
} catch (JSONException e) {
e.printStackTrace();
}
}
},
new Response.ErrorListener() {
@Override
public void onErrorResponse(VolleyError error) {
}
});
RequestQueue requestQueue = Volley.newRequestQueue(this);
requestQueue.add(stringRequest);
RequestQueue requestQueue1 = Volley.newRequestQueue(this);
requestQueue1.add(stringRequest1);
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
getMenuInflater().inflate(R.menu.menu, menu);
MenuItem searchItem = menu.findItem(R.id.action_search);
SearchView searchView = (SearchView) MenuItemCompat.getActionView(searchItem);
searchView.setOnQueryTextListener(this);
if (getActionBar() != null) {
getActionBar().setDisplayHomeAsUpEnabled(true);
getActionBar().setDisplayShowHomeEnabled(true);
}
SearchManager searchManager = (SearchManager) getSystemService(Context.SEARCH_SERVICE);
searchView.setSearchableInfo(searchManager.getSearchableInfo(new ComponentName(this, msms.class)));
searchView.setIconifiedByDefault(false);
return true;
}
@Override
public boolean onQueryTextSubmit(String s) {
return false;
}
@Override
public boolean onQueryTextChange(String s) {
return false;
}
}