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Orientation change Crash Application

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慢半拍i
慢半拍i 2020-12-19 10:42

I am using fragments and when i change the orientation the application crash. Here is the log cat:

05-29 05:56:52.158: E/AndroidRuntime(1428): java.lang.Runt
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  • 梦毁少年i
    2020-12-19 10:50

    There is another case I found If you use different XML for Portrait and Landscape. Then different root element or view may lead to crash for example --

    My Portrait XML is --

        <?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:background="@drawable/login_page_back_gradient"
    android:orientation="vertical"
    tools:context="com.thepsi.beintent.LoginPage"
    android:id="@+id/parent_login_page">

    <ScrollView
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_centerVertical="true">

        <RelativeLayout
            android:layout_width="match_parent"
            android:layout_height="match_parent"
            android:layout_marginLeft="@dimen/linear_right_20dp"
            android:layout_marginRight="@dimen/linear_right_20dp">


            <ImageView
                android:id="@+id/img_logo"
                android:layout_width="100dp"
                android:layout_height="100dp"
                android:layout_centerHorizontal="true"
                android:layout_gravity="center"
                android:scaleType="fitXY"
                android:src="@drawable/beintent_logo" />

            <EditText
                android:id="@+id/editTextLoginEmail"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_below="@+id/img_logo"
                android:layout_marginTop="@dimen/margin_between_views_login_page"
                android:background="@drawable/box_edittext"
                android:hint="@string/email_login"
                android:inputType="textEmailAddress"
                android:padding="10dp"
                android:textStyle="bold" />

            <EditText
                android:id="@+id/editTextLoginPassword"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_below="@+id/editTextLoginEmail"
                android:layout_gravity="center"
                android:layout_marginTop="12dp"
                android:background="@drawable/box_edittext"
                android:hint="@string/password_login"
                android:inputType="textPassword"
                android:padding="10dp"
                android:textStyle="bold" />


            <CheckBox
                android:id="@+id/checkBoxLoginPage"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_below="@+id/editTextLoginPassword"
                android:layout_gravity="center"
                android:layout_marginTop="10dp"
                android:textColor="@android:color/white"
                android:textStyle="bold"
                app:buttonTint="@android:color/white" />

            <TextView
                android:id="@+id/txt_check_box_lbl"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignBottom="@+id/checkBoxLoginPage"
                android:layout_alignTop="@+id/checkBoxLoginPage"
                android:layout_gravity="center_vertical"
                android:gravity="center"
                android:layout_marginLeft="10dp"
                android:layout_toRightOf="@+id/checkBoxLoginPage"
                android:text="@string/remember_me_login"
                android:textColor="@android:color/white"
                android:textSize="@dimen/forgot_rember_text_size"
                android:textStyle="bold" />

            <TextView
                android:id="@+id/txt_question_mark"
                android:layout_width="24dp"
                android:layout_height="wrap_content"
                android:layout_below="@+id/checkBoxLoginPage"
                android:layout_marginLeft="5dp"
                android:layout_marginTop="10dp"
                android:background="@drawable/circle_background_red"
                android:gravity="center"
                android:text="@string/questionMark"
                android:textAlignment="center"
                android:textColor="@android:color/white"
                android:textSize="18sp"
                android:textStyle="bold" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignBottom="@+id/txt_question_mark"
                android:layout_alignLeft="@+id/txt_check_box_lbl"
                android:layout_alignTop="@+id/txt_question_mark"
                android:layout_gravity="center_vertical"
                android:layout_toRightOf="@id/txt_question_mark"
                android:text="@string/forgot_password_login_page"
                android:textColor="@android:color/white"
                android:textSize="@dimen/forgot_rember_text_size"
                android:textStyle="bold" />

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_below="@+id/txt_question_mark"
                android:layout_marginTop="@dimen/margin_between_views_login_page"
                android:gravity="center"
                android:orientation="horizontal">

                <Button
                    android:id="@+id/btn_login"
                    android:layout_width="0dp"
                    android:layout_height="@dimen/button_height_loginpage"
                    android:layout_gravity="center"
                    android:layout_marginEnd="5dp"
                    android:layout_marginRight="5dp"
                    android:layout_weight="1"
                    android:background="@drawable/common_btn_selecter"
                    android:ems="10"
                    android:onClick="LoginButtonClicked"
                    android:text="@string/log_in_login_page"
                    android:textColor="#fff"
                    android:textSize="@dimen/login_page_button_text_size"
                    android:textStyle="bold" />

                <Button
                    android:id="@+id/btn_sign_up"
                    android:layout_width="0dp"
                    android:layout_height="@dimen/button_height_loginpage"
                    android:layout_gravity="center"
                    android:layout_marginLeft="5dp"
                    android:layout_marginStart="5dp"
                    android:layout_weight="1"
                    android:background="@drawable/common_btn_selecter"
                    android:ems="10"
                    android:onClick="SignUpButtonClicked"
                    android:text="@string/sign_up_login_page"
                    android:textColor="#fff"
                    android:textSize="@dimen/login_page_button_text_size"
                    android:textStyle="bold" />
            </LinearLayout>


        </RelativeLayout>
    </ScrollView>


    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_alignParentBottom="true"
        android:gravity="center_horizontal"
        android:orientation="horizontal"
        android:paddingBottom="10dp">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:clickable="true"
            android:gravity="end"
            android:onClick="OnContactUsClicked"
            android:text="@string/contact_us"
            android:textColor="@android:color/white"
            android:textSize="16sp" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginEnd="@dimen/margin_for_seperator"
            android:layout_marginLeft="@dimen/margin_for_seperator"
            android:layout_marginRight="@dimen/margin_for_seperator"
            android:layout_marginStart="@dimen/margin_for_seperator"
            android:gravity="end"
            android:text="@string/seperator"
            android:textColor="@android:color/white"
            android:textSize="16sp" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:clickable="true"
            android:gravity="start"
            android:onClick="OnTermAndConditionsClicked"
            android:text="@string/terms_and_conditions"
            android:textColor="@android:color/white"
            android:textSize="16sp" />

    </LinearLayout>

</RelativeLayout>

    My Landscape xml is -- 

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

<ScrollView 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="@drawable/login_page_back_gradient"
    android:orientation="vertical"
    android:fillViewport="true"
    tools:context="com.thepsi.beintent.LoginPage"
    android:id="@+id/parent_login_page">

    <RelativeLayout
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:background="@drawable/login_page_back_gradient"
        android:orientation="vertical"
        android:id="@+id/parent_container"
        tools:context="com.thepsi.beintent.LoginPage">

        <RelativeLayout
            android:id="@+id/upper_container"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:gravity="center"
            android:layout_marginLeft="@dimen/linear_right_20dp"
            android:layout_marginRight="@dimen/linear_right_20dp"
            android:layout_centerVertical="true"
            android:layout_marginBottom="40dp"
            android:layout_gravity="center">


            <ImageView
                android:id="@+id/img_logo"
                android:layout_width="100dp"
                android:layout_height="100dp"
                android:layout_centerHorizontal="true"
                android:layout_gravity="center"
                android:scaleType="fitXY"
                android:src="@drawable/beintent_logo" />

            <EditText
                android:id="@+id/editTextLoginEmail"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_below="@+id/img_logo"
                android:layout_marginTop="@dimen/margin_between_views_login_page"
                android:background="@drawable/box_edittext"
                android:hint="@string/email_login"
                android:inputType="textEmailAddress"
                android:padding="10dp"
                android:textStyle="bold" />

            <EditText
                android:id="@+id/editTextLoginPassword"
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_below="@+id/editTextLoginEmail"
                android:layout_gravity="center"
                android:layout_marginTop="12dp"
                android:background="@drawable/box_edittext"
                android:hint="@string/password_login"
                android:inputType="textPassword"
                android:padding="10dp"
                android:textStyle="bold" />


            <CheckBox
                android:id="@+id/checkBoxLoginPage"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_below="@+id/editTextLoginPassword"
                android:layout_gravity="center"
                android:layout_marginTop="10dp"
                android:textColor="@android:color/white"
                android:textStyle="bold"
                app:buttonTint="@android:color/white" />

            <TextView
                android:id="@+id/txt_check_box_lbl"
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignBottom="@+id/checkBoxLoginPage"
                android:layout_alignTop="@+id/checkBoxLoginPage"
                android:layout_gravity="center_vertical"
                android:gravity="center"
                android:layout_marginLeft="10dp"
                android:layout_toRightOf="@+id/checkBoxLoginPage"
                android:text="@string/remember_me_login"
                android:textColor="@android:color/white"
                android:textSize="@dimen/forgot_rember_text_size"
                android:textStyle="bold" />

            <TextView
                android:id="@+id/txt_question_mark"
                android:layout_width="24dp"
                android:layout_height="wrap_content"
                android:layout_below="@+id/checkBoxLoginPage"
                android:layout_marginLeft="5dp"
                android:layout_marginTop="10dp"
                android:background="@drawable/circle_background_red"
                android:gravity="center"
                android:text="@string/questionMark"
                android:textAlignment="center"
                android:textColor="@android:color/white"
                android:textSize="18sp"
                android:textStyle="bold" />

            <TextView
                android:layout_width="wrap_content"
                android:layout_height="wrap_content"
                android:layout_alignBottom="@+id/txt_question_mark"
                android:layout_alignLeft="@+id/txt_check_box_lbl"
                android:layout_alignTop="@+id/txt_question_mark"
                android:layout_gravity="center_vertical"
                android:layout_toRightOf="@id/txt_question_mark"
                android:text="@string/forgot_password_login_page"
                android:textColor="@android:color/white"
                android:textSize="@dimen/forgot_rember_text_size"
                android:textStyle="bold" />

            <LinearLayout
                android:layout_width="match_parent"
                android:layout_height="wrap_content"
                android:layout_below="@+id/txt_question_mark"
                android:layout_marginTop="@dimen/margin_between_views_login_page"
                android:gravity="center"
                android:orientation="horizontal">

                <Button
                    android:id="@+id/btn_login"
                    android:layout_width="0dp"
                    android:layout_height="@dimen/button_height_loginpage"
                    android:layout_gravity="center"
                    android:layout_marginEnd="5dp"
                    android:layout_marginRight="5dp"
                    android:layout_weight="1"
                    android:background="@drawable/common_btn_selecter"
                    android:ems="10"
                    android:onClick="LoginButtonClicked"
                    android:text="@string/log_in_login_page"
                    android:textColor="#fff"
                    android:textSize="@dimen/login_page_button_text_size"
                    android:textStyle="bold" />

                <Button
                    android:id="@+id/btn_sign_up"
                    android:layout_width="0dp"
                    android:layout_height="@dimen/button_height_loginpage"
                    android:layout_gravity="center"
                    android:layout_marginLeft="5dp"
                    android:layout_marginStart="5dp"
                    android:layout_weight="1"
                    android:background="@drawable/common_btn_selecter"
                    android:ems="10"
                    android:onClick="SignUpButtonClicked"
                    android:text="@string/sign_up_login_page"
                    android:textColor="#fff"
                    android:textSize="@dimen/login_page_button_text_size"
                    android:textStyle="bold" />
            </LinearLayout>


        </RelativeLayout>


    <LinearLayout
        android:id="@+id/linear_layout_contact_us"
        android:layout_width="match_parent"
        android:layout_height="match_parent"
        android:gravity="center_horizontal|bottom"
        android:orientation="horizontal"
        android:layout_below="@+id/upper_container"
        android:paddingBottom="10dp">

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:clickable="true"
            android:gravity="end"
            android:onClick="OnContactUsClicked"
            android:text="@string/contact_us"
            android:textColor="@android:color/white"
            android:textSize="16sp" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:layout_marginEnd="@dimen/margin_for_seperator"
            android:layout_marginLeft="@dimen/margin_for_seperator"
            android:layout_marginRight="@dimen/margin_for_seperator"
            android:layout_marginStart="@dimen/margin_for_seperator"
            android:gravity="end"
            android:text="@string/seperator"
            android:textColor="@android:color/white"
            android:textSize="16sp" />

        <TextView
            android:layout_width="wrap_content"
            android:layout_height="wrap_content"
            android:clickable="true"
            android:gravity="start"
            android:onClick="OnTermAndConditionsClicked"
            android:text="@string/terms_and_conditions"
            android:textColor="@android:color/white"
            android:textSize="16sp" />

    </LinearLayout>
</RelativeLayout>

</ScrollView>

    Might be helpful to someone.

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  • 梦毁少年i
    2020-12-19 10:57 
    <activity android:name=".SignUp"
android:configChanges="keyboardHidden|orientation|screenSize">

    Add this line to all your activities to avoid crash with orientation changes. This will avoid the activity being loaded again and again on orientation changes.

    For a little more information what you actually do with configChanges here the link to the Android documentation.

    Lists configuration changes that the activity will handle itself. When a configuration change occurs at runtime, the activity is shut down and restarted by default, but declaring a configuration with this attribute will prevent the activity from being restarted. Instead, the activity remains running and its onConfigurationChanged() method is called.

    Note: Using this attribute should be avoided and used only as a last resort. Please read Handling Runtime Changes for more information about how to properly handle a restart due to a configuration change.

    And how to handle configuration changes you can find here.

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  • 广开言路
    2020-12-19 10:59

    Use 

    import android.support.v4.app.Fragment;

    instead of 

    import android.app.Fragment;

    You might also need to change your activity to extend FragmentActivity instead of just Activity. More discussion Here.

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  • 我在风中等你
    2020-12-19 11:10 
    android:configChanges="keyboardHidden|orientation"

    add this in your manifest file in your activity.

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  • 情话喂你
    2020-12-19 11:12

    add this in all your activities in Manifest

    android:configChanges="keyboard|orientation|locale|fontScale|screenLayout|screenSize|uiMode|navigation|touchscreen|keyboardHidden|layoutDirection|smallestScreenSize"
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