android - 相对布局中的元素在应用程序运行时显示不同

标签 android android-layout android-fragments android-xml android-search

我在 fragment 中创建了一个 ListView，它有一个搜索过滤器，问题是 XML 布局在 android studio 中显示正常，但在模拟器或手机中运行时显示不同(不正确当我对齐时)以及当我单击 SearchView 时，它会进入选项卡导航下方。谁能告诉我如何解决这个问题？

this is how it looks in android studio

image is on top and the lsitview is under it and the search is under the tabs

这是 fragment :

import android.content.Context;
import android.os.Bundle;
import android.util.Log;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.ImageView;
import android.widget.ListView;
import android.widget.SearchView;
import android.widget.Toast;
import com.parse.FindCallback;
import com.parse.ParseException;
import com.parse.ParseFile;
import com.parse.ParseObject;
import com.parse.ParseQuery;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

public class Individuals extends android.support.v4.app.ListFragment
        implements FindCallback<ParseObject> {

    private List<ParseObject> mOrganization = new ArrayList<ParseObject>();
    SearchView sv;
    IndividualsAdaptor adaptor;

    @Override
    public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
        return inflater.inflate(R.layout.individuals, container, false);
    }

    @Override
    public void onViewCreated(View view, Bundle b) {
        super.onViewCreated(view, b);
        sv = (SearchView) view.findViewById(R.id.ser1);
        adaptor = new IndividualsAdaptor(getActivity(), mOrganization);
        setListAdapter(adaptor);
        ParseQuery.getQuery("_User").findInBackground(this);

        sv.setOnQueryTextListener(new SearchView.OnQueryTextListener() {
            @Override
            public boolean onQueryTextSubmit(String text) {
                return false;
            }
            @Override
            public boolean onQueryTextChange(String text) {
                adaptor.getFilter().filter(text);
                return true;
            }
        });
    }

    @Override
    public void done(List<ParseObject> scoreList, ParseException e) {
        if (e == null) {
            Log.d("score", "Retrieved " + scoreList.size() + " _User");
            mOrganization.clear();
            mOrganization.addAll(scoreList);
            ((IndividualsAdaptor) getListAdapter()).updateBackupList(mOrganization);
            ((IndividualsAdaptor) getListAdapter()).notifyDataSetChanged();
        } else {
            Log.d("score", "Error: " + e.getMessage());
        }
    }
}

这是适配器:

import android.content.Context;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.os.StrictMode;
import android.support.v4.app.FragmentActivity;
import android.view.LayoutInflater;
import android.view.View;
import android.view.ViewGroup;
import android.widget.ArrayAdapter;
import android.widget.Filter;
import android.widget.ImageView;
import android.widget.TextView;

import com.parse.ParseObject;
import com.squareup.picasso.Picasso;

import java.io.IOException;
import java.net.MalformedURLException;
import java.net.URL;
import java.util.ArrayList;
import java.util.List;

public class IndividualsAdaptor extends ArrayAdapter {

        protected Context mContext;
        // Code for Custom Filter.
        protected List mBackupList = new ArrayList();

        public IndividualsAdaptor(Context context, List status) {
            super(context, R.layout.t3, status);
            mContext = context;
            // Code for Custom Filter.
            mBackupList.addAll(status);
        }

        @Override
        public View getView(final int position, View convertView, ViewGroup parent) {
            ViewHolder holder;

            if (android.os.Build.VERSION.SDK_INT > 9) {
                StrictMode.ThreadPolicy policy = new StrictMode.ThreadPolicy.Builder().permitAll().build();
                StrictMode.setThreadPolicy(policy);
            }

            if (convertView == null) {
                convertView = LayoutInflater.from(mContext).inflate(R.layout.t3, null);
                holder = new ViewHolder();
                holder.usernameHomepage = (TextView) convertView.findViewById(R.id.fname);
                holder.statusHomepage = (TextView) convertView.findViewById(R.id.lname);
                holder.pposition = (TextView) convertView.findViewById(R.id.idposition);
                holder.orgName = (TextView) convertView.findViewById(R.id.organizationname);
                holder.logo = (ImageView) convertView.findViewById(R.id.imageView);
                convertView.setTag(holder);
            } else {
                holder = (ViewHolder) convertView.getTag();
            }

            ParseObject statusObject = (ParseObject) getItem(position);
            // title
            String username = statusObject.getString("firstname");
            holder.usernameHomepage.setText(username);
            // content
            String status = statusObject.getString("lastname");
            holder.statusHomepage.setText(status);
            // content
            String positions = statusObject.getString("position");
            holder.pposition.setText(positions);
            // content
            String org = statusObject.getString("organizationName");
            holder.orgName.setText(org);
            // logo
            URL url = null;
            Bitmap bmp = null;
            try {
                url = new URL("img hosting location" + statusObject.getString("image"));
                bmp = BitmapFactory.decodeStream(url.openConnection().getInputStream());
            } catch (MalformedURLException e) {
            }catch (IOException e) {
            }
            holder.logo.setImageBitmap(bmp);
            Picasso.with(mContext)
                    .load(String.valueOf(url))
                    .into(((ImageView) convertView
                            .findViewById(R.id.imageView)));

            return convertView;
        }

        public static class ViewHolder {
            TextView usernameHomepage;
            TextView statusHomepage;
            TextView orgName;
            TextView pposition;
            ImageView logo;
        }

        // Code for Custom Filter.
        @Override
        public Filter getFilter() {return new Filter(){
            @Override
            protected FilterResults performFiltering(CharSequence charSequence) {
                String queryString = charSequence.toString().toLowerCase();
                List<ParseObject> filteredList = new ArrayList<>();
                ParseObject tmpItem;
                String tmpUsername, tmpStatus, tmpPositions, tmpOrg;
                for(int i=0; i<mBackupList.size(); i++){
                    tmpItem = (ParseObject) mBackupList.get(i);
                    tmpUsername = tmpItem.getString("firstname").toLowerCase();
                    tmpStatus = tmpItem.getString("lastname").toLowerCase();
                    tmpPositions = tmpItem.getString("position").toLowerCase();
                    tmpOrg = tmpItem.getString("organizationName").toLowerCase();
                    // The matching condition
                    if(tmpUsername.contains(queryString)||tmpStatus.contains(queryString)||
                            tmpPositions.contains(queryString)||tmpOrg.contains(queryString)){
                        filteredList.add(tmpItem);
                    }
                }
                FilterResults filterResults = new FilterResults();
                filterResults.count = filteredList.size();
                filterResults.values = filteredList;
                return filterResults;
            }
            @Override
            protected void publishResults(CharSequence charSequence, Filter.FilterResults filterResults) {
                clear();
                addAll((List<ParseObject>) filterResults.values);
            }
        };}

        public void updateBackupList(List newList){
            mBackupList.clear();
            mBackupList.addAll(newList);
        }
    }

ListView 布局:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"

                xmlns:app="http://schemas.android.com/apk/res-auto"
                android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:paddingLeft="0dp"
    android:paddingRight="0dp">

    <TextView android:id="@id/android:empty"
        android:layout_width="match_parent"
        android:layout_height="335dp"
        android:text="No data"
        android:layout_below="@+id/button3"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_marginTop="56dp"
        android:layout_toLeftOf="@+id/android:list"
        android:layout_toStartOf="@+id/android:list" />

    <SearchView
        android:id="@+id/ser1"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:queryHint="Search.."
        android:background="@android:color/holo_red_dark"
        android:layout_marginTop="60dp"
        android:layout_alignTop="@+id/android:empty"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true">
    </SearchView>

    <ListView android:id="@id/android:list"
              android:layout_width="263dp"
              android:layout_height="241dp"
              android:layout_marginTop="34dp"
              android:layout_below="@+id/android:empty"
              android:layout_alignParentLeft="true"
              android:layout_alignParentStart="true"
              android:layout_alignParentRight="true"
              android:layout_alignParentEnd="true"/>

    <ImageView
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        app:srcCompat="@drawable/individuals_img"
        android:id="@+id/imageView3"
        android:layout_centerVertical="true"
        android:layout_toRightOf="@+id/android:empty"
        android:layout_toEndOf="@+id/android:empty"/>

</RelativeLayout>

ListView 的项目布局:

<?xml version="1.0" encoding="utf-8"?>
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:layout_width="match_parent"
    android:layout_height="match_parent">

<ImageView
        android:id="@+id/imageView"
        android:layout_gravity="center"
        android:layout_height="110dp"
        android:layout_width="110dp"
        android:layout_alignParentTop="true"
        android:layout_alignParentLeft="true"
        android:layout_alignParentStart="true"
        android:layout_marginLeft="14dp"
        android:layout_marginStart="14dp"
        android:layout_marginTop="19dp"
        />
    <!--  img  -->


    <TextView
        android:text="TextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/organizationname"
        android:textSize="10sp"
        android:layout_below="@+id/idposition"
        android:layout_alignLeft="@+id/idposition"
        android:layout_alignStart="@+id/idposition"
        android:paddingTop="10px" />


    <TextView
        android:text="yyyyyyyyyyyyyyyyy"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/idposition"
        android:textSize="10sp"
        android:layout_below="@+id/fname"
        android:layout_alignLeft="@+id/fname"
        android:layout_alignStart="@+id/fname" />

    <TextView
        android:id="@+id/fname"
        android:text="Name"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="12dp"
        android:layout_marginStart="12dp"
        android:textColor="#000"
        android:textSize="12sp"
        android:textStyle="bold"
        android:layout_alignTop="@+id/imageView"
        android:layout_toRightOf="@+id/imageView"
        android:layout_toEndOf="@+id/imageView"
        android:layout_marginTop="13dp"
        android:fontFamily="sans-serif" />

    <TextView
        android:text="TextView"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:id="@+id/lname"
        android:textColor="#000"
        android:textSize="12sp"
        android:textStyle="bold"
        android:layout_above="@+id/idposition"
        android:layout_toRightOf="@+id/organizationname"
        android:layout_toEndOf="@+id/organizationname" />

</RelativeLayout>

主要 Activity 布局:

<?xml version="1.0" encoding="utf-8"?>
<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"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:fitsSystemWindows="true"
    tools:context="app.com.anew.fbcapplication.AppHome">

    <android.support.v4.view.ViewPager
        android:id="@+id/container"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        app:layout_behavior="@string/appbar_scrolling_view_behavior" />

    <android.support.design.widget.AppBarLayout
        android:id="@+id/appbar"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:paddingTop="@dimen/appbar_padding_top"
        android:theme="@style/AppTheme.AppBarOverlay">

        <RelativeLayout
            android:layout_width="wrap_content"
            android:layout_height="wrap_content">

            <Button
                android:layout_height="40dp"
                android:background="@drawable/nav"
                android:id="@+id/button2"
                android:layout_weight="1"

                android:layout_width="40dp"
                android:layout_alignBottom="@+id/button"
                android:layout_alignParentLeft="true"
                android:layout_alignParentStart="true"
                tools:paddingLeft="25dp"
                tools:layout_marginLeft="20dp" />

            <Button
                android:layout_width="40dp"
                android:layout_height="40dp"
                android:background="@drawable/i"
                android:id="@+id/button"
                android:layout_weight="1"
                android:layout_alignParentTop="true"
                android:layout_alignParentRight="true"
                android:layout_alignParentEnd="true" />

            <ImageView
                app:srcCompat="@drawable/logo"
                android:id="@+id/imageView2"
                android:layout_weight="1"
                tools:layout_marginLeft="15dp"
                android:layout_width="280dp"
                android:layout_alignParentTop="true"
                android:layout_toLeftOf="@+id/button"
                android:layout_toStartOf="@+id/button"
                android:layout_height="50dp" />

        </RelativeLayout>


        <android.support.design.widget.TabLayout
            android:id="@+id/tabs"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            app:tabTextAppearance="@style/TabTextAppearance"
            />

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

</RelativeLayout>

最佳答案

我在尝试您的 ListView 时出错(我认为它是 individuals.xml)，例如TextView android:id="@id/android:empty"有一个属性 android:layout_below="@+id/button3"但我在你的布局中找不到 button3。

这可能是你想要的布局，individuals.xml:

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
android:layout_width="match_parent"
android:layout_height="match_parent" >

<ImageView
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    app:srcCompat="@drawable/individuals_img"
    android:src="@drawable/individuals_img"
    android:id="@+id/imageView3"
    android:layout_alignParentRight="true"
    android:layout_alignParentEnd="true"/>

<SearchView
    android:id="@+id/ser1"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:queryHint="Search.."
    android:background="@android:color/holo_red_dark"
    android:layout_alignParentTop="true"
    android:layout_alignParentLeft="true"
    android:layout_alignParentStart="true"
    android:layout_toLeftOf="@+id/imageView3"
    android:layout_toStartOf="@+id/imageView3" >
</SearchView>

<TextView android:id="@id/android:empty"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:text="No data"
    android:layout_alignParentLeft="true"
    android:layout_alignParentStart="true"
    android:layout_below="@+id/ser1" />

<ListView android:id="@id/android:list"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:layout_below="@+id/ser1" />

 </RelativeLayout>

如果这不是您要查找的内容，还请在 Android Studio 布局编辑器中显示您的布局。希望对您有所帮助:)

关于android - 相对布局中的元素在应用程序运行时显示不同，我们在Stack Overflow上找到一个类似的问题： https://stackoverflow.com/questions/42327056/

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