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具有方向更改列表視圖的自定義對話框(橫向模式)

[英]Custom Dialog with listview on orientation change (landscape mode)

我希望我的自定義對話框在縱向和橫向模式下均可工作。 為此,我找到了一種在layout-land文件夾中創建XML的解決方案。 因此,我復制了布局並將其粘貼到layout-land文件夾中,並進行了修改(添加了滾動視圖)。 盡管如此,它仍無法正常工作。 盡管添加了scrollview,該對話框仍無法完全滾動。

該對話框還包含一個列表視圖。

我的layout-land / dialog.xml如下。

<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:id="@+id/main_layout"
    android:layout_width="wrap_content"
    android:layout_height="wrap_content"
    android:background="@color/transparent"
    tools:context="customviews.VeriDocDialog">

    <android.support.constraint.ConstraintLayout
        android:layout_width="wrap_content"
        android:layout_height="0dp"
        android:background="@color/transparent"
        app:layout_constraintBottom_toBottomOf="@id/center_fab_view"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent">

    </android.support.constraint.ConstraintLayout>

    <android.support.constraint.ConstraintLayout
        android:id="@+id/top_fab_layout"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:elevation="1dp"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="parent">

        <ImageView
            android:id="@+id/top_fab"
            android:layout_width="56dp"
            android:layout_height="56dp"
            android:background="@drawable/round_bg"
            android:scaleType="center"
            android:src="@drawable/share_24" />

    </android.support.constraint.ConstraintLayout>

    <View
        android:id="@+id/center_fab_view"
        android:layout_width="wrap_content"
        android:layout_height="1dp"
        app:layout_constraintCircle="@id/top_fab_layout" />

    <android.support.constraint.ConstraintLayout
        android:layout_width="0dp"
        android:layout_height="0dp"
        android:background="@color/white"
        app:layout_constraintBottom_toBottomOf="@id/top_fab_layout"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toTopOf="@id/center_fab_view">

    </android.support.constraint.ConstraintLayout>

    <ImageView
        android:id="@+id/img_close"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_margin="10dp"
        android:elevation="5dp"
        android:src="@drawable/cross_30"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toBottomOf="@id/center_fab_view" />

    <ScrollView
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        app:layout_constraintBottom_toBottomOf="parent"
        app:layout_constraintLeft_toLeftOf="parent"
        app:layout_constraintRight_toRightOf="parent"
        app:layout_constraintTop_toBottomOf="@id/top_fab_layout">

        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:background="@color/white"
            >

            <TextView
                android:id="@+id/dialog_title"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignParentTop="true"
                android:layout_centerHorizontal="true"
                android:layout_margin="10dp"
                android:textColor="@color/primary_text"
                android:textSize="@dimen/textsize_xlarge"
                app:layout_constraintLeft_toLeftOf="parent"
                app:layout_constraintRight_toRightOf="parent"
                app:layout_constraintTop_toTopOf="parent"
                tools:text="TITLE" />

            <ImageView
                android:id="@+id/img"
                android:layout_width="45dp"
                android:layout_height="wrap_content"
                android:layout_below="@id/dialog_title"
                android:layout_centerHorizontal="true"
                android:src="@drawable/hr"
                app:layout_constraintBottom_toTopOf="@id/tv_instruction"
                app:layout_constraintLeft_toLeftOf="parent"
                app:layout_constraintRight_toRightOf="parent"
                app:layout_constraintTop_toBottomOf="@id/dialog_title" />

            <TextView
                android:id="@+id/tv_instruction"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_below="@id/img"
                android:layout_centerHorizontal="true"
                android:layout_margin="5dp"
                android:gravity="center"
                android:lines="2"
                android:text="invited friends \n to win more scrathches"
                android:textColor="@color/primary_text"
                android:textSize="@dimen/textsize_medium"
                app:layout_constraintBottom_toTopOf="@id/center_text"
                app:layout_constraintLeft_toLeftOf="parent"
                app:layout_constraintRight_toRightOf="parent"
                app:layout_constraintTop_toBottomOf="@id/img" />

            <RelativeLayout
                android:id="@+id/center_text"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_below="@id/tv_instruction"
                android:layout_centerHorizontal="true"
                android:layout_margin="5dp"
                app:layout_constraintBottom_toTopOf="@id/listview"
                app:layout_constraintLeft_toLeftOf="parent"
                app:layout_constraintRight_toRightOf="parent"
                app:layout_constraintTop_toBottomOf="@id/tv_instruction">

                <TextView
                    android:id="@+id/tv_equation"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_centerInParent="true"
                    android:gravity="center"
                    android:lines="2"
                    android:text="invite 1 = 2 Scratches"
                    android:textColor="@color/primary_text"
                    android:textSize="@dimen/textsize_medium" />

                <TextView
                    android:id="@+id/tv_highlighted_text"
                    android:layout_width="wrap_content"
                    android:layout_height="wrap_content"
                    android:layout_centerInParent="true"
                    android:gravity="center"
                    android:padding="5dp"
                    android:text="Facebook"
                    android:textColor="@color/blue_A200"
                    android:textSize="@dimen/textsize_regular"
                    android:visibility="gone" />

            </RelativeLayout>

            <View
                android:id="@+id/view_above_listView"
                android:layout_width="wrap_content"
                android:layout_height="3dp"
                android:layout_above="@+id/listview"
                android:background="@drawable/primary_gradient_horizontal"
                app:layout_constraintBottom_toTopOf="@id/listview" />

            <ListView
                android:id="@+id/listview"
                android:layout_width="match_parent"
                android:layout_height="160dp"
                android:layout_below="@id/center_text"
                android:divider="@color/selected_gray"
                android:dividerHeight="1dp"
                app:layout_constraintBottom_toTopOf="@id/view_above_button"
                app:layout_constraintLeft_toLeftOf="parent"
                app:layout_constraintRight_toRightOf="parent"
                app:layout_constraintTop_toBottomOf="@id/center_text" />

            <TextView
                android:id="@+id/tv_loading"
                android:layout_width="match_parent"
                android:layout_height="160dp"
                android:layout_below="@id/center_text"
                android:gravity="center"
                android:text=""
                android:textColor="@color/primary"
                android:textSize="16sp"
                android:visibility="gone"
                app:layout_constraintBottom_toTopOf="@id/view_above_button"
                app:layout_constraintLeft_toLeftOf="parent"
                app:layout_constraintRight_toRightOf="parent"
                app:layout_constraintTop_toBottomOf="@id/center_text" />

            <View
                android:id="@+id/view_above_button"
                android:layout_width="wrap_content"
                android:layout_height="3dp"
                android:layout_above="@+id/btn_bottom"
                android:background="@drawable/primary_gradient_horizontal"
                app:layout_constraintBottom_toTopOf="@id/btn_bottom" />

            <Button
                android:id="@+id/btn_bottom"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_below="@id/listview"
                android:background="@color/selected_gray"
                android:text="invite"
                android:textColor="@color/primary_text"
                app:layout_constraintBottom_toBottomOf="parent"
                app:layout_constraintLeft_toLeftOf="parent"
                app:layout_constraintRight_toRightOf="parent"
                app:layout_constraintTop_toBottomOf="@id/listview" />

        </RelativeLayout>

    </ScrollView>

</android.support.constraint.ConstraintLayout>

對話框在縱向模式下的外觀, 請參見此處 對話框在橫向模式下的外觀, 請參見此處

我的VeriDocDialog.java代碼如下

public class VeriDocDialog extends Dialog {
     private View dialogView;

    public VeriDocDialog(@NonNull Context context, String dialogType, int iconDrawableId, String instructions,String bottomText, List<Contact> contactList, String buttonText) {

        super(context);
        this.context = context;
        this.dialogType = dialogType;
        this.iconDrawableId = iconDrawableId;
        this.instruction = instructions;
        this.buttonText = buttonText;
        this.contactList = contactList;
        this.bottomText = bottomText;

        setupVeriDocDialog();
    }

    public VeriDocDialog(@NonNull Context context, String dialogType, int iconDrawableId, String instructions, String bottomText, List<ResolveInfo> shareList, String buttonText, Intent shareIntent) {

        super(context);
        this.context = context;
        this.dialogType = dialogType;
        this.iconDrawableId = iconDrawableId;
        this.instruction = instructions;
        this.buttonText = buttonText;
        this.shareList = shareList;
        this.bottomText = bottomText;
        this.shareIntent = shareIntent;

        setupVeriDocDialog();
    }

    private void setupVeriDocDialog() {

        if (getWindow() != null) {
            getWindow().setBackgroundDrawableResource (R.color.transparent);
            getWindow().setGravity(Gravity.CENTER);
            getWindow().getAttributes().windowAnimations = R.style.dialogAnimation;
            requestWindowFeature(Window.FEATURE_NO_TITLE);
        }
    }

    @Override
    protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

         dialogView = getLayoutInflater().inflate(R.layout.dialog_veri_doc, null);
         setContentView(dialogView);

         bindView();
         initialise(dialogType);
     }

     //.... and other methods .....
}    

我如何從活動中調用此對話框:

private void displayInviteDialog() {
    contactList = new ArrayList<>();

    inviteDialog = new VeriDocDialog(ScratchAndWinActivity.this,
            VeriDocDialog.TYPE_INVITE,
            R.drawable.invite_32,
            getString(R.string.str_invite_instruction),
            getString(R.string.str_equation_invite),
            contactList, VeriDocDialog.TYPE_INVITE);


    inviteDialog.show();
}

問題是布局不正確。 我也提到了Land文件夾中的xml布局,並且還將視圖放入了scrollview中,但是scrollview仍然不會將對話框滾動到其底部。

是因為listview嗎? 如果是的話,請給我一些解決方案。 如果不是,原因是什么?如何克服這種情況? 任何幫助,將不勝感激。

當我嘗試打開方向為橫向的對話框時,land文件夾中的xml會膨脹。 但是,當我打開縱向對話框時,更改方向后,xml是相同的(常規布局中相同,而不是從land文件夾中)。

請幫我解決這個問題。

這是因為更改屏幕方向后不會重新創建對話框 而且它具有舊的資源布局。

對於解決方案,您可以檢測方向變化重新創建對話框(如果已打開)。 您可以在Activity中使用onConfigurationChanged來檢測方向變化。

@Override
public void onConfigurationChanged(Configuration newConfig) {
    super.onConfigurationChanged(newConfig);

    if (newConfig.orientation == Configuration.ORIENTATION_LANDSCAPE) {
        Toast.makeText(this, "landscape", Toast.LENGTH_SHORT).show();
    } else if (newConfig.orientation == Configuration.ORIENTATION_PORTRAIT){
        Toast.makeText(this, "portrait", Toast.LENGTH_SHORT).show();
    }

    if (inviteDialog !=null && inviteDialog.isShowing()){
        inviteDialog .dismiss(); 
        displayInviteDialog();
    }
}

private void displayInviteDialog() {
    contactList = new ArrayList<>();

    inviteDialog = new VeriDocDialog(ScratchAndWinActivity.this,
            VeriDocDialog.TYPE_INVITE,
            R.drawable.invite_32,
            getString(R.string.str_invite_instruction),
            getString(R.string.str_equation_invite),
            contactList, VeriDocDialog.TYPE_INVITE);


    inviteDialog.show();
}

並稍微編輯您的清單活動注冊。

<activity android:name=".YourActivity"
      android:configChanges="orientation">

建議:

1>您應將match_parent用於Dialog的父布局元素。

android:layout_width="match_parent"
android:layout_height="match_parent"

2>也可以通過編程設置對話框的高度和寬度match_parent。 看到這個答案

更新

使用NestedScrollView而不是ScrollView,因為ListView本身具有滾動屬性,這將導致沖突。

更新

我創建了一個示例,該示例在兩種模式下均能正常工作,您會驚訝地發現我沒有為對話框設置任何特殊屬性以使其正常工作。 這是示例。

import android.app.Dialog;
import android.content.Context;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.view.Window;
import android.view.WindowManager;
import android.widget.ArrayAdapter;
import android.widget.ListView;

import com.innovanathinklabs.sample.R;

/**
 * Created by KHEMRAJ on 8/29/2018.
 */
public class ListActivity extends AppCompatActivity {

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        MyDialog dialog = new MyDialog(this);
        dialog.show();
        Window window = dialog.getWindow();
        window.setLayout(WindowManager.LayoutParams.MATCH_PARENT, WindowManager.LayoutParams.MATCH_PARENT);
    }

    public static class MyDialog extends Dialog {
        String[] mobileArray = {
                "Android", "IPhone", "WindowsMobile", "Blackberry",
                "WebOS", "Ubuntu", "Windows7", "Max OS X", "Android", "IPhone", "WindowsMobile", "Blackberry",
                "WebOS", "Ubuntu", "Windows7", "Max OS X", "Android", "IPhone", "WindowsMobile", "Blackberry",
                "WebOS", "Ubuntu", "Windows7", "Max OS X",
        };

        public MyDialog(@NonNull Context context) {
            super(context);
        }

        @Override
        protected void onCreate(Bundle savedInstanceState) {
            super.onCreate(savedInstanceState);
            setContentView(R.layout.dialog_sample);
            ArrayAdapter adapter = new ArrayAdapter<>(getContext(),
                    R.layout.row_list, mobileArray);
            ListView listView = findViewById(R.id.listView);
            listView.setAdapter(adapter);
        }
    }
}

和dialog_sample.xml

<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:orientation="vertical">

    <!--in this view, horizontal and vertical both dialog has scrollable List and other view looks static-->

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="5">

        <!--place your all top content here-->
    </LinearLayout>

    <!--weight 1 is giving List view the available space. -->

    <ListView
        android:id="@+id/listView"
        android:layout_width="match_parent"
        android:layout_height="0dp"
        android:layout_weight="5"/>

    <Button
        android:id="@+id/button"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:text="@string/app_name"/>

</LinearLayout>

這是輸出

在此處輸入圖片說明

在此處輸入圖片說明

請注意。

  • 我沒有處理定向,它按預期工作。
  • 我重視兒童觀點。 因此,它會自動適應兩個方向。
  • xml布局中的問題是您沒有使用權重/百分比,因此內容不在屏幕上。

在您的VeriDocDialog類中,轉到方法

private void setupVeriDocDialog() {
    if (getWindow() != null) {
        getWindow().setBackgroundDrawableResource (R.color.transparent);
        getWindow().setGravity(Gravity.CENTER);
        getWindow().getAttributes().windowAnimations = R.style.dialogAnimation;
        getWindow().setLayout(WindowManager.LayoutParams.MATCH_PARENT, WindowManager.LayoutParams.MATCH_PARENT); // Add this line and change your height & width acc.
        //Moreover you can add margin to dialog from all directions.
        requestWindowFeature(Window.FEATURE_NO_TITLE);
    }
}

這將幫助您以橫向模式顯示dialog而不會出現任何剪切

要將邊距更改為dialog

 //Add this before showing dialog. WindowManager.LayoutParams layoutParams = getWindow().getAttributes(); layoutParams.x = 10;// offset margin x in pixels, change value to whatever you want layoutParams.y = 10;// offset margin y in pixels, change value to whatever you want getWindow().setAttributes(layoutParams); 

供參考WindowManager.LayoutParams

在我的layout \\ activity_main.xml中使用

<ScrollView
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:id="@+id/scrollView"
        android:visibility="visible">
....
</ScrollView>

在land \\ activity_main.xml中

<HorizontalScrollView
        android:layout_width="wrap_content"
        android:layout_height="match_parent"
        android:id="@+id/scrollView"
        android:visibility="visible">
....
</HorizontalScrollView>

我希望這能幫到您..!

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