我想添加带有图像的折叠工具栏我尝试了很多代码但是我遇到了很多问题我想将它添加到我使用 RecyclerView 和抽屉导航的布局中

请帮我添加这样的折叠工具栏

content_r_arabic

<RelativeLayout 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"
xmlns:ads="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.kamal.ahmed.rewaya.R_arabic"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
android:background="@drawable/bg"
tools:showIn="@layout/app_bar_r_arabic">

<android.support.v7.widget.RecyclerView
    android:id="@+id/recyclerView"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_above="@+id/adView"
    android:layout_alignParentTop="true"
    android:layout_marginRight="23dp">
</android.support.v7.widget.RecyclerView>

<LinearLayout
    android:orientation="horizontal"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:id="@+id/progress_layout"
    android:gravity="center_vertical"
    android:layout_marginTop="270dp"
    android:layout_alignParentTop="true"
    android:layout_centerHorizontal="true">

    <ProgressBar
        android:id="@+id/progress_bar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginLeft="100dp"
        android:layout_marginBottom="5dp"
        android:layout_weight="1"/>

    <TextView
        android:text="جاري التحميل"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/progress_txt"
        android:textSize="22sp"
        android:textStyle="bold"
        android:textColor="#e873400c"
        android:layout_gravity="center"
        android:layout_marginRight="90dp"
        android:layout_marginBottom="5dp"
        android:layout_weight="1" />

</LinearLayout></RelativeLayout>

app_bar_r_arabic

<RelativeLayout 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"
xmlns:ads="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context="com.kamal.ahmed.rewaya.R_arabic"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
android:background="@drawable/bg"
tools:showIn="@layout/app_bar_r_arabic">

<android.support.v7.widget.RecyclerView
    android:id="@+id/recyclerView"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_above="@+id/adView"
    android:layout_alignParentTop="true"
    android:layout_marginRight="23dp">
</android.support.v7.widget.RecyclerView>

<LinearLayout
    android:orientation="horizontal"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:id="@+id/progress_layout"
    android:gravity="center_vertical"
    android:layout_marginTop="270dp"
    android:layout_alignParentTop="true"
    android:layout_centerHorizontal="true">

    <ProgressBar
        android:id="@+id/progress_bar"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_gravity="center"
        android:layout_marginLeft="100dp"
        android:layout_marginBottom="5dp"
        android:layout_weight="1"/>

    <TextView
        android:text="جاري التحميل"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/progress_txt"
        android:textSize="22sp"
        android:textStyle="bold"
        android:textColor="#e873400c"
        android:layout_gravity="center"
        android:layout_marginRight="90dp"
        android:layout_marginBottom="5dp"
        android:layout_weight="1" /></LinearLayout>


<com.google.android.gms.ads.AdView
    android:id="@+id/adView"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:layout_centerHorizontal="true"
    android:layout_alignParentBottom="true"
    ads:adSize="SMART_BANNER"
    ads:adUnitId="@string/banner_ad_unit_id">
</com.google.android.gms.ads.AdView></RelativeLayout>

activity_r_arabic

<android.support.v4.widget.DrawerLayout 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:id="@+id/drawer_layout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:fitsSystemWindows="true"
tools:openDrawer="start"
tools:context=".R_arabic">

<include
    layout="@layout/app_bar_r_arabic"
    android:layout_width="match_parent"
    android:layout_height="match_parent" />

<android.support.design.widget.NavigationView
    android:id="@+id/nav_view"
    android:layout_width="wrap_content"
    android:layout_height="match_parent"
    android:layout_gravity="start"
    android:fitsSystemWindows="true"
    app:headerLayout="@layout/nav_header_navigation"
    app:menu="@menu/activity_navigation_drawer1" />

Activity

public class R_arabic extends AppCompatActivity
    implements NavigationView.OnNavigationItemSelectedListener {


ProgressBar progressBar;
LinearLayout progress_layout;


List<listitem_gib> GetDataAdapter1;

RecyclerView recyclerView;

RecyclerView.LayoutManager recyclerViewlayoutManager;

RecyclerView.Adapter recyclerViewadapter;


String id = "id";
String name = "name";
String url = "url";
String img = "img";
String num = "num";
String size = "size";

JsonArrayRequest jsonArrayRequest ;

RequestQueue requestQueue ;


@Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_r_arabic);


    Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
    setSupportActionBar(toolbar);


    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
            this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
    drawer.setDrawerListener(toggle);
    toggle.syncState();

    NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
    navigationView.setNavigationItemSelectedListener(this);

    GetDataAdapter1 = new ArrayList<>();

    recyclerView = (RecyclerView) findViewById(R.id.recyclerView);

    progressBar = (ProgressBar) findViewById(R.id.progress_bar);

    recyclerView.setHasFixedSize(true);

    recyclerViewlayoutManager = new LinearLayoutManager(this);

    recyclerView.setLayoutManager(recyclerViewlayoutManager);


    progress_layout = (LinearLayout) findViewById(R.id.progress_layout);
    progress_layout.setVisibility(View.VISIBLE);

    JSON_DATA_WEB_CALL();

}


public void JSON_DATA_WEB_CALL(){


    String GET_JSON_DATA_HTTP_URL = "http://grassyhat.com/android/arabic.php";

    jsonArrayRequest = new JsonArrayRequest(GET_JSON_DATA_HTTP_URL,

            new Response.Listener<JSONArray>() {
                @Override
                public void onResponse(JSONArray response) {

                    progress_layout.setVisibility(View.GONE);

                    JSON_PARSE_DATA_AFTER_WEBCALL(response);
                }
            },
            new Response.ErrorListener() {
                @Override
                public void onErrorResponse(VolleyError error) {

                }
            });

    requestQueue = Volley.newRequestQueue(this);

    requestQueue.add(jsonArrayRequest);
}

public void JSON_PARSE_DATA_AFTER_WEBCALL(JSONArray array){

    for(int i = 0; i<array.length(); i++) {

        listitem_gib GetDataAdapter2 = new listitem_gib();

        JSONObject json = null;
        try {
            json = array.getJSONObject(i);

            GetDataAdapter2.setId(json.getString(id));

            GetDataAdapter2.setName(json.getString(name));

            GetDataAdapter2.seturl(json.getString(url));

            GetDataAdapter2.setimg(json.getString(img));

            GetDataAdapter2.setnum(json.getString(num));

            GetDataAdapter2.setsize(json.getString(size));

        } catch (JSONException e) {

            e.printStackTrace();
        }
        GetDataAdapter1.add(GetDataAdapter2);
    }

    recyclerViewadapter = new RecyclerViewAdapter(GetDataAdapter1, this);


    //RecyclerView needs a layout manager in order to display data so here we create one
    StaggeredGridLayoutManager layoutManager = new StaggeredGridLayoutManager(3, StaggeredGridLayoutManager.VERTICAL);

    //Here we set the layout manager and the adapter to the listview
    recyclerView.setLayoutManager(layoutManager);
    recyclerView.setAdapter(recyclerViewadapter);

}

@Override
public void onBackPressed() {
    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    if (drawer.isDrawerOpen(GravityCompat.START)) {
        drawer.closeDrawer(GravityCompat.START);
    } else {
        super.onBackPressed();
    }
}


@Override
public boolean onCreateOptionsMenu(Menu menu) {
    getMenuInflater().inflate(R.menu.category, menu);
    return true;
}


@Override
public boolean onOptionsItemSelected(MenuItem item) {

    int id = item.getItemId();
       if (id == R.id.exit) {
        AlertDialog alertbox = new AlertDialog.Builder(this)
                .setMessage("هل تريد الخروج ؟")
                .setPositiveButton("نعم", new DialogInterface.OnClickListener() {

                    public void onClick(DialogInterface arg0, int arg1) {

                        finishAffinity();

                    }
                })
                .setNegativeButton("لا", new DialogInterface.OnClickListener() {

                    public void onClick(DialogInterface arg0, int arg1) {
                    }
                })
                .show();
    }


    return super.onOptionsItemSelected(item);
}


@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
    int id = item.getItemId();

    if (id == R.id.home) {

        Intent intent = new Intent(R_arabic.this, Navigation.class);
        finishAffinity();
        startActivity(intent);

    } 
    }


    DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
    drawer.closeDrawer(GravityCompat.START);
    return true;
}

最佳答案

这是您可以使用的带有 recyclerview 的完整 xml 布局代码，

<?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"
    android:id="@+id/main_content"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true">

    <android.support.design.widget.AppBarLayout
        android:id="@+id/appbar"
        android:layout_width="match_parent"
        android:layout_height="@dimen/detail_backdrop_height"
        android:theme="@style/ThemeOverlay.AppCompat.Dark.ActionBar"
        android:fitsSystemWindows="true">

        <android.support.design.widget.CollapsingToolbarLayout
            android:id="@+id/collapsing_toolbar"
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            app:layout_scrollFlags="scroll|exitUntilCollapsed"
            android:fitsSystemWindows="true"
            app:statusBarScrim="@android:color/transparent"
            app:contentScrim="@android:color/transparent">

            <ImageView
                android:id="@+id/backdrop"
                android:layout_width="match_parent"
                android:layout_height="match_parent"
                android:scaleType="centerCrop"
                android:fitsSystemWindows="true"
                app:layout_collapseMode="parallax" />

            <android.support.v7.widget.Toolbar
                android:id="@+id/toolbar"
                android:layout_width="match_parent"
                android:layout_height="100dp"
                android:background="@android:color/transparent"
                app:popupTheme="@style/ThemeOverlay.AppCompat.Light"
                app:layout_collapseMode="pin" />

        </android.support.design.widget.CollapsingToolbarLayout>

    </android.support.design.widget.AppBarLayout>

   <android.support.v7.widget.RecyclerView
      android:id="@+id/recyclerView"
      android:layout_width="match_parent"
      android:layout_height="wrap_content"
      app:layout_behavior="@string/appbar_scrolling_view_behavior"
      android:layout_marginRight="23dp"/>

关于android - 添加带有图像的折叠工具栏，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/40472680/