那些遇到过的问题

键盘打开时 RecyclerView 单元格变形

And*_*sam 5 android android-layout kotlin android-recyclerview

我正在我的应用程序中实现聊天，当键盘打开时，回收器视图以有线方式运行，卡片自行展开

我试图禁用回收，改变我构建布局的方式，但没有任何效果，我需要了解为什么会发生这种情况以及如何解决它。

视图的 XML 布局

<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:background="@android:color/white"
android:orientation="vertical"
tools:context="io.thed.cuju.ChatDetailsFragment">

<LinearLayout
    android:id="@+id/linearLayout22"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:gravity="center"
    android:padding="8dp"
    app:layout_constraintEnd_toEndOf="parent"
    app:layout_constraintStart_toStartOf="parent"
    app:layout_constraintTop_toTopOf="parent">

    <ImageView
        android:id="@+id/chat_image"
        android:layout_width="32dp"
        android:layout_height="32dp"
        tools:src="@drawable/avatar" />

    <TextView
        android:id="@+id/name_search"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="8dp"
        android:layout_marginLeft="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="8dp"
        android:textSize="16sp"
        tools:text="Bradley Anderson" />
</LinearLayout>

<include
    android:id="@+id/say_hi"
    layout="@layout/say_hi_chat"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:visibility="gone" />

<android.support.constraint.ConstraintLayout
    android:id="@+id/chat_list_and_input_section"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    android:orientation="vertical">

    <android.support.v7.widget.RecyclerView
        android:id="@+id/chat_details_recyclerView"
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:layout_weight="1"
        app:layoutManager="android.support.v7.widget.LinearLayoutManager"
        app:layout_constraintBottom_toTopOf="@+id/linearLayout5"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/space2"
        app:reverseLayout="true"
        tools:listitem="@layout/recived_chat_box_item" />

    <TextView
        android:id="@+id/space2"
        android:layout_width="match_parent"
        android:layout_height="1dp"
        android:background="@color/Gray"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent" />

    <ProgressBar
        android:id="@+id/progressBar12"
        style="?android:attr/progressBarStyle"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="8dp"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="8dp"
        android:layout_marginTop="8dp"
        android:visibility="invisible"
        app:layout_constraintBottom_toTopOf="@+id/linearLayout5"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent" />

    <LinearLayout
        android:id="@+id/linearLayout5"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:gravity="center_vertical"
        android:orientation="horizontal"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent">

        <EditText
            android:id="@+id/to_be_sent_chat"
            style="@style/cujuEditText"
            android:layout_width="0dp"
            android:layout_height="wrap_content"
            android:layout_marginEnd="8dp"
            android:layout_marginStart="8dp"
            android:layout_weight="1"
            android:ems="10"
            android:hint="Type a message"
            android:inputType="textPersonName"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toStartOf="@+id/chat_extra"
            app:layout_constraintStart_toStartOf="parent"
            app:layout_constraintTop_toTopOf="parent" />

        <ImageView
            android:id="@+id/send"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:src="@drawable/send_chat"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="@+id/to_be_sent_chat"
            app:layout_constraintTop_toTopOf="@+id/to_be_sent_chat" />

        <ImageView
            android:id="@+id/chat_extra"
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginEnd="16dp"
            android:layout_marginRight="16dp"
            android:src="@drawable/add_media_circle"
            app:layout_constraintBottom_toBottomOf="parent"
            app:layout_constraintEnd_toEndOf="parent" />
    </LinearLayout>
</android.support.constraint.ConstraintLayout>
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适配器

    package io.thed.cuju.adapters

import android.app.Activity
import android.content.Context
import android.content.Intent
import android.net.Uri
import android.support.v4.content.ContextCompat
import android.support.v7.widget.RecyclerView
import android.text.format.DateUtils
import android.view.LayoutInflater
import android.view.View
import android.view.ViewGroup
import android.widget.ImageView
import android.widget.TextView
import com.google.gson.Gson
import com.pddstudio.preferences.encrypted.EncryptedPreferences
import com.squareup.picasso.Picasso
import io.thed.cuju.R
import io.thed.cuju.beans.MessageBean
import io.thed.cuju.beans.UserBean
import io.thed.cuju.constants.*
import io.thed.cuju.customsViews.ZoomImageFragment
import java.text.SimpleDateFormat
import java.util.*

class ChatDetailsAdapter// Provide a suitable constructor (depends on the kind of dataset)
(private val chatList: List<MessageBean>, internal var context: Context) : RecyclerView.Adapter<ChatDetailsAdapter.ViewHolder>() {
    internal var token: String? = null
    internal var user: UserBean? = null

    val SENT_CHAT = 1
    val RECIVED_CHAT = 2

    override fun getItemViewType(position: Int): Int {
        val current: MessageBean = chatList[position]
        val encryptedPreferences = EncryptedPreferences.Builder(context).withEncryptionPassword(PASSWORD).build()
        var token: String = encryptedPreferences.getString(USER_PREF_TOKEN_KEY, NO_TOKEN)
        tokenForImage = "?x-access-token=" + token
        user = Gson().fromJson(encryptedPreferences!!.getString(USER_PREF_KEY, ""), UserBean::class.java)
        if (user!!._id != current.from) {
            return RECIVED_CHAT
        } else {
            return SENT_CHAT
        }
    }

    override fun onCreateViewHolder(parent: ViewGroup, viewType: Int): ChatDetailsAdapter.ViewHolder {

        val v: View?
        if (viewType == SENT_CHAT) {
            v = LayoutInflater.from(parent.context).inflate(R.layout.send_chat_box_item, parent, false)
        } else {
            v = LayoutInflater.from(parent.context).inflate(R.layout.recived_chat_box_item, parent, false)
        }

        return ViewHolder(v)
    }

    // set the view's size, margins, paddings and layout parameters

    lateinit var tokenForImage: String

    override fun onBindViewHolder(holder: ViewHolder, position: Int) {
        val current = chatList[position]
        holder.setIsRecyclable(false)
        if (current.data.text != null) {
            holder.chat_text.text = current.data.text
        }
        if (current.data.type == "picture") {
            val url = BASE_URL + current.data.media!!.thumbnail + tokenForImage
            Picasso.with(context).load(Uri.parse(url)).fit().placeholder(context.resources.getDrawable(R.drawable.placeholder)).into(holder.chat_image)
            holder.chat_image.visibility = View.VISIBLE
            holder.chat_play.visibility = View.GONE

            holder.chat_image.setOnClickListener {
                ZoomImageFragment.newInstance(url).show((context as Activity).fragmentManager, "")
            }
        } else if (current.data.type == "video") {
            val url = BASE_URL + current.data.media!!.thumbnail + tokenForImage
            Picasso.with(context).load(Uri.parse(url)).fit().placeholder(context.resources.getDrawable(R.drawable.placeholder)).into(holder.chat_image)
            holder.chat_image.visibility = View.VISIBLE
            holder.chat_play.visibility = View.VISIBLE

            holder.chat_image.setOnClickListener {
                val intent = Intent(Intent.ACTION_VIEW, Uri.parse(BASE_URL + current.data.media.link + tokenForImage))
                ContextCompat.startActivity(context, intent, null)
            }
        } else {
            holder.chat_image.visibility = View.GONE
            holder.chat_play.visibility = View.GONE
        }

        val formatter = SimpleDateFormat(DATE_FORMAT)
        formatter.timeZone = TimeZone.getTimeZone("GMT")

        try {
            val dateToBeParsed = DateUtils.getRelativeTimeSpanString(formatter.parse(current.created_at).time, System.currentTimeMillis(), DateUtils.MINUTE_IN_MILLIS)
            holder.chat_time.text = dateToBeParsed

        } catch (e: Exception) {
            println(e.message)
            holder.chat_time.text = current.created_at
        }

        if (holder.itemViewType == SENT_CHAT) {
            if (current.failed) {
                holder.chat_status!!.setImageResource(R.drawable.message_seen)
            } else if (current.seen) {
                holder.chat_status!!.setImageResource(R.drawable.message_seen)
            } else if (current.received) {
                holder.chat_status!!.setImageResource(R.drawable.message_recived_not_seen)

            } else if (current.sent) {
                holder.chat_status!!.setImageResource(R.drawable.message_sent_to_server)
            }
        }
    }

    override fun getItemCount(): Int {
        return chatList.size
    }

    class ViewHolder(v: View) : RecyclerView.ViewHolder(v) {
        val chat_image: ImageView = v.findViewById(R.id.chat_image)
        val chat_play: ImageView = v.findViewById(R.id.chat_play)
        val chat_text: TextView = v.findViewById(R.id.chat_text)
        val chat_time: TextView = v.findViewById(R.id.chat_time)
        val chat_status: ImageView? = v.findViewById(R.id.chat_status)

    }
}
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reviced_chat_box_item.xml（抱歉打字错误）

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout 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="wrap_content"
    android:layout_marginTop="8dp">

    <android.support.v7.widget.CardView
        android:id="@+id/cardView2"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginEnd="8dp"
        android:layout_marginStart="12dp"
        app:cardBackgroundColor="@color/recivedChat"
        app:cardCornerRadius="12dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <android.support.constraint.ConstraintLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:padding="8dp">

            <ImageView
                android:id="@+id/chat_image"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_marginTop="8dp"
                android:adjustViewBounds="true"
                android:visibility="gone"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/chat_text"
                tools:srcCompat="@drawable/content_image" />

            <ImageView
                android:id="@+id/chat_play"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:visibility="gone"
                app:layout_constraintBottom_toBottomOf="@+id/chat_image"
                app:layout_constraintEnd_toEndOf="@+id/chat_image"
                app:layout_constraintStart_toStartOf="@+id/chat_image"
                app:layout_constraintTop_toTopOf="@+id/chat_image"
                app:srcCompat="@drawable/play" />

            <TextView
                android:id="@+id/chat_text"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_margin="6dp"
                android:layout_marginEnd="2dp"
                android:layout_marginLeft="16dp"
                android:layout_marginRight="2dp"
                android:layout_marginStart="16dp"
                android:layout_marginTop="8dp"
                android:text="Hello buddy, gonna go for a training today?"
                android:textColor="@color/chat_color"
                android:textSize="15sp"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />
        </android.support.constraint.ConstraintLayout>

    </android.support.v7.widget.CardView>

    <TextView
        android:id="@+id/chat_time"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginLeft="12dp"
        android:layout_marginStart="12dp"
        android:layout_marginTop="4dp"
        android:text="12 mins ago"
        android:textColor="@color/time_ago"
        android:textSize="13sp"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/cardView2" />

</android.support.constraint.ConstraintLayout>
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send_chat_box_item.xml

<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.ConstraintLayout 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="wrap_content"
    android:layout_marginTop="8dp">

    <android.support.v7.widget.CardView
        android:id="@+id/cardView2"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginEnd="12dp"
        android:layout_marginStart="8dp"
        app:cardCornerRadius="12dp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintStart_toStartOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <android.support.constraint.ConstraintLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:padding="8dp">

            <ImageView
                android:id="@+id/chat_image"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_marginTop="8dp"
                android:adjustViewBounds="true"
                android:visibility="gone"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toBottomOf="@+id/chat_text"
                tools:srcCompat="@drawable/content_image" />

            <ImageView
                android:id="@+id/chat_play"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:adjustViewBounds="false"
                android:visibility="gone"
                app:layout_constraintBottom_toBottomOf="@+id/chat_image"
                app:layout_constraintEnd_toEndOf="@+id/chat_image"
                app:layout_constraintStart_toStartOf="@+id/chat_image"
                app:layout_constraintTop_toTopOf="@+id/chat_image"
                app:srcCompat="@drawable/play" />

            <TextView
                android:id="@+id/chat_text"
                android:layout_width="0dp"
                android:layout_height="wrap_content"
                android:layout_margin="6dp"
                android:layout_marginEnd="16dp"
                android:layout_marginLeft="2dp"
                android:layout_marginRight="16dp"
                android:layout_marginStart="2dp"
                android:layout_marginTop="8dp"
                android:text="Hello buddy, gonna go for a training today?"
                android:textColor="@color/chat_color"
                android:textSize="15sp"
                app:layout_constraintEnd_toEndOf="parent"
                app:layout_constraintStart_toStartOf="parent"
                app:layout_constraintTop_toTopOf="parent" />
        </android.support.constraint.ConstraintLayout>
    </android.support.v7.widget.CardView>

    <TextView
        android:id="@+id/chat_time"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginEnd="12dp"
        android:layout_marginRight="12dp"
        android:layout_marginTop="4dp"
        android:text="12 mins ago"
        android:textColor="@color/time_ago"
        android:textSize="13sp"
        app:layout_constraintEnd_toEndOf="parent"
        app:layout_constraintTop_toBottomOf="@+id/cardView2" />

    <ImageView
        android:id="@+id/chat_status"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginBottom="8dp"
        android:layout_marginEnd="8dp"
        android:layout_marginRight="8dp"
        android:layout_marginTop="8dp"
        app:layout_constraintBottom_toBottomOf="@+id/chat_time"
        app:layout_constraintEnd_toStartOf="@+id/chat_time"
        app:layout_constraintTop_toTopOf="@+id/chat_time"
        app:srcCompat="@drawable/message_seen" />
</android.support.constraint.ConstraintLayout>
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这是打开键盘前的截图

这是键盘打开后

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7 年，11 月 前
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