Java 为AlertDialog扩展布局时出现Android异常

我正在尝试扩大版面以用作

AlertDialog

的内容。我正在使用以下代码：

        View dialog_view = ((LayoutInflater) builder.getContext().getSystemService(Context.LAYOUT_INFLATER_SERVICE)).inflate(R.layout.my_dialog, null);

在此行中，将引发以下异常：

Process: myname.myapp, PID: 12068
android.view.InflateException: Binary XML file line #2: Error inflating class <unknown>
        at android.view.LayoutInflater.createView(LayoutInflater.java:633)
        at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:55)
        at android.view.LayoutInflater.onCreateView(LayoutInflater.java:682)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:741)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:482)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:365)
        at myname.myapp.myclass.myfunction(myclass.java:106)
        at myname.myapp.myclass.myfunction(myclass.java:52)
        at myname.myapp.myotherclass.myotherfunction(myotherclass.java:188)
        at myname.myapp.myotherclass$4$1.run(myotherclass.java:218)
        at java.lang.Thread.run(Thread.java:818)
 Caused by: java.lang.reflect.InvocationTargetException
        at java.lang.reflect.Constructor.newInstance(Native Method)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:288)
        at android.view.LayoutInflater.createView(LayoutInflater.java:607)
        at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:55)
        at android.view.LayoutInflater.onCreateView(LayoutInflater.java:682)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:741)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:482)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:365)
        at myname.myapp.myclass.myfunction(myclass.java:106)
        at myname.myapp.myclass.myfunction(myclass.java:52)
        at myname.myapp.myotherclass.myotherfunction(myotherclass.java:188)
        at myname.myapp.myotherclass$4$1.run(myotherclass.java:218)
        at java.lang.Thread.run(Thread.java:818)
 Caused by: java.lang.RuntimeException: Failed to resolve attribute at index 84
        at android.content.res.TypedArray.getDimensionPixelSize(TypedArray.java:569)
        at android.view.View.<init>(View.java:3740)
        at android.view.ViewGroup.<init>(ViewGroup.java:497)
        at android.widget.LinearLayout.<init>(LinearLayout.java:200)
        at android.widget.LinearLayout.<init>(LinearLayout.java:196)
        at android.widget.LinearLayout.<init>(LinearLayout.java:192)
        at java.lang.reflect.Constructor.newInstance(Native Method)
        at java.lang.reflect.Constructor.newInstance(Constructor.java:288)
        at android.view.LayoutInflater.createView(LayoutInflater.java:607)
        at com.android.internal.policy.impl.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:55)
        at android.view.LayoutInflater.onCreateView(LayoutInflater.java:682)
        at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:741)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:482)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:414)
        at android.view.LayoutInflater.inflate(LayoutInflater.java:365)
        at myname.myapp.myclass.myfunction(myclass.java:106)
        at myname.myapp.myclass.myfunction(myclass.java:52)
        at myname.myapp.myotherclass.myotherfunction(myotherclass.java:188)
        at myname.myapp.myotherclass$4$1.run(myotherclass.java:218)
        at java.lang.Thread.run(Thread.java:818)

将

ViewGroup

作为最后一个参数传递，而不是

null

，但它们会引发相同的异常，并在生成的对话框上使用

dialog.setContentView（R.layout.my_dialog）

，但这会在调用

setContentView

的行引发相同的异常（因为这可能会在内部以相同的方式膨胀布局）

编辑：我也试过了

this.activity.getLayoutInflater().inflate(R.layout.dialog_password, null)

并引发相同的异常

这是

my_dialog.xml

的内容：

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
              android:layout_width="match_parent"
              android:layout_height="match_parent"
              android:orientation="vertical"
              android:padding="@dimen/dialog_padding">
    <EditText android:id="@+id/my_edittext"
              android:layout_width="fill_parent"
              android:layout_height="wrap_content"
              android:hint="@string/my_hint"/>
</LinearLayout>

---

如果使用片段，请尝试此代码

@Override
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
    View view = inflater.inflate(R.layout.fragment_alart_basic, container, false);

    final View dialogView;
    dialogView = inflater.inflate(R.layout.alart_dialog_custom, container, false);

    //call Alert Dialog here

    return view;
}

如果使用活动

 @Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_second);

    LayoutInflater inflater = getLayoutInflater();
    View dialogView = inflater.inflate(R.layout.fragment_alart_basic, container, false);

    //call Alert Dialog here
 }

---

发布您的xml并显示my_dialog.xml文件的xml代码。您是否在“活动”或“碎片”上使用了AlertDialog您的xml代码可能有一些错误请检查此项我没有使用碎片或活动。这是一个单独的类。正如我所说，我已经尝试将

视图组

传递给

充气

函数（其中所述

ViewGroup

是从活动中获得的）@MichealJohnson您应该使用Activy或Fragment来访问视图或视图组。可能您正在尝试在java简单类或内部适配器中执行此操作。我建议您尝试使用侦听器！并在父视图内部尝试扩大它。这对您、您的代码、您的应用程序和性能都有好处。

 @Override
protected void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.activity_second);

    LayoutInflater inflater = getLayoutInflater();
    View dialogView = inflater.inflate(R.layout.fragment_alart_basic, container, false);

    //call Alert Dialog here
 }