缩放android对话框

问题描述

我想问一下如何在Android上创建自定义对话框。我使用的是API 21+。我需要对话框中的所有内容必须一次可见（不仅是可滚动的内容，而且所有内容都必须立即缩放并在所有分辨率上成比例地显示。现在我所看到的是按钮和顶部图像之间的文本彼此踩在一起）。当然，我可以使该文本滚动，但是从产品的角度来看，一次显示此文本很重要。那么如何在对话框中立即缩放所有内容-在480x800和1200x700上看起来几乎一样呢？谢谢。

public class MyCustomDialog extends android.app.Dialog {

public MyCustomDialog(@NonNull Context context,DialogClickListener dialogClickListener) {
    super(context,R.style.Dialog);
    setContentView(R.layout.my_dialog_layout);

    Window window = getwindow();
    setCancelable(false);
    if (window != null) {
        window.setLayout(ViewGroup.LayoutParams.MATCH_PARENT,ViewGroup.LayoutParams.MATCH_PARENT);
        window.setGravity(Gravity.CENTER);
    }
//Todo: some click listener code below
}

}

<?xml version="1.0" encoding="utf-8"?>

<androidx.constraintlayout.widget.ConstraintLayout
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@drawable/dialog_content_bkg">

    <ImageView
        android:id="@+id/security_img"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginTop="16dp"
        app:layout_constraintBottom_toTopOf="@+id/image_bottom_guideline"
        app:layout_constraintEnd_toStartOf="parent"
        app:layout_constraintStart_toEndOf="parent"
        app:layout_constraintTop_toTopOf="parent"
        app:srcCompat="@drawable/ic_icon_secure_blue"
        tools:ignore="ContentDescription" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/image_bottom_guideline"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_percent="0.25" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/buttons_top_guideline"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="horizontal"
        app:layout_constraintGuide_begin="512dp" />

    <TextView
        android:id="@+id/dialog_title"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:layout_marginStart="10dp"
        android:layout_marginTop="10dp"
        android:layout_marginEnd="10dp"
        android:fontFamily="sans-serif-medium"
        android:gravity="center_horizontal"
        android:text="@string/dialog_account_secure_title"
        android:textColor="@color/black"
        android:textSize="20sp"
        app:autoSizeMaxTextSize="20sp"
        app:autoSizeMinTextSize="12sp"
        app:layout_constraintEnd_toStartOf="@+id/guidelineRight"
        app:layout_constraintStart_toEndOf="@+id/guidelineLeft"
        app:layout_constraintTop_toBottomOf="@+id/image_bottom_guideline"
        tools:text="@string/dialog_account_secure_title" />

    <TextView
        android:id="@+id/dialog_body_1"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp"
        android:fontFamily="sans-serif"
        android:gravity="center_horizontal"
        android:linespacingExtra="8sp"
        android:text="@string/dialog_account_secure_body_1"
        android:textColor="@color/black"
        android:textSize="14sp"
        android:textStyle="normal"
        app:autoSizeMaxTextSize="14sp"
        app:autoSizeMinTextSize="12sp"
        app:autoSizeTextType="uniform"
        app:layout_constraintEnd_toStartOf="@+id/guidelineRight"
        app:layout_constraintStart_toStartOf="@+id/guidelineLeft"
        app:layout_constraintTop_toBottomOf="@+id/dialog_title"
        tools:layout_editor_absoluteY="136dp" />

    <TextView
        android:id="@+id/dialog_body_2"
        android:layout_width="0dp"
        android:layout_height="wrap_content"
        android:layout_marginTop="10dp"
        android:layout_marginBottom="14dp"
        android:fontFamily="sans-serif"
        android:gravity="center_horizontal"
        android:linespacingExtra="8sp"
        android:text="@string/dialog_account_secure_body_2"
        android:textColor="@color/black"
        android:textSize="14sp"
        android:textStyle="normal"
        app:autoSizeMaxTextSize="14sp"
        app:autoSizeMinTextSize="12sp"
        app:layout_constraintEnd_toStartOf="@+id/guidelineRight"
        app:layout_constraintHorizontal_bias="0.0"
        app:layout_constraintStart_toStartOf="@+id/guidelineLeft"
        app:layout_constraintTop_toBottomOf="@+id/dialog_body_1"
        app:layout_constraintVertical_bias="1.0"
        tools:text="@string/dialog_account_secure_body_2" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guidelineLeft"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintGuide_begin="24dp" />

    <androidx.constraintlayout.widget.Guideline
        android:id="@+id/guidelineRight"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:orientation="vertical"
        app:layout_constraintGuide_end="24dp" />

    <androidx.cardview.widget.CardView
        android:id="@+id/btn_attach"
        android:layout_width="0dp"
        android:layout_height="50dp"
        android:layout_gravity="center"
        android:layout_marginTop="8dp"
        android:clickable="true"
        android:focusable="true"
        app:cardBackgroundColor="@color/white"
        app:cardCornerRadius="3dp"
        app:cardElevation="0dp"
        app:cardPreventCornerOverlap="false"
        app:cardUseCompatPadding="true"
        app:layout_constraintBottom_toTopOf="@id/btn_dont_attach"
        app:layout_constraintEnd_toStartOf="@+id/guidelineRight"
        app:layout_constraintStart_toStartOf="@+id/guidelineLeft"
        app:layout_constraintTop_toBottomOf="@id/dialog_body_2">

        <TextView
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:background="@drawable/yellow_button_selector"
            android:fontFamily="sans-serif-medium"
            android:gravity="center"
            android:text="@string/dialog_account_secure_attach_btn_title"
            android:textAllCaps="true"
            android:textColor="@color/black"
            android:textSize="14sp" />

    </androidx.cardview.widget.CardView>

    <TextView
        android:id="@+id/btn_dont_attach"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginTop="8dp"
        android:layout_marginBottom="16dp"
        android:fontFamily="sans-serif-medium"
        android:gravity="center"
        android:padding="10dp"
        android:text="@string/dialog_account_secure_dont_attach_btn_title"
        android:textAllCaps="true"
        android:textColor="@color/black"
        android:textSize="14sp"
        app:layout_constraintEnd_toStartOf="@+id/guidelineRight"
        app:layout_constraintStart_toStartOf="@+id/guidelineLeft"
        app:layout_constraintTop_toBottomOf="@id/btn_attach" />
</androidx.constraintlayout.widget.ConstraintLayout>

解决方法

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android android android-constraintlayout android-dialog android-dialogfragment android-layout