致命異常無法理解原因

我一直在處理一個項目，在該項目中，我成功更改了佈局文件並運行該項目。它得到生成沒有顯示任何錯誤。致命異常無法理解原因

這裏是logcat的跟蹤：

02-09 15:50:42.923 2720-2720/com.blues.app D/AndroidRuntime﹕ Shutting down VM 
02-09 15:50:42.924 2720-2720/com.blues.app E/AndroidRuntime﹕ FATAL EXCEPTION: main 
    Process: com.blues.app, PID: 2720 
    java.lang.RuntimeException: Unable to start activity ComponentInfo{com.blues.app/com.blues.app.Login_Activity}: android.view.InflateException: Binary XML file line #36: Binary XML file line #36: Error inflating class <unknown> 
      at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2416) 
      at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476) 
      at android.app.ActivityThread.-wrap11(ActivityThread.java) 
      at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344) 
      at android.os.Handler.dispatchMessage(Handler.java:102) 
      at android.os.Looper.loop(Looper.java:148) 
      at android.app.ActivityThread.main(ActivityThread.java:5417) 
      at java.lang.reflect.Method.invoke(Native Method) 
      at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
      at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
    Caused by: android.view.InflateException: Binary XML file line #36: Binary XML file line #36: Error inflating class <unknown> 
      at android.view.LayoutInflater.inflate(LayoutInflater.java:539) 
      at android.view.LayoutInflater.inflate(LayoutInflater.java:423) 
      at android.view.LayoutInflater.inflate(LayoutInflater.java:374) 
      at com.android.internal.policy.PhoneWindow.setContentView(PhoneWindow.java:393) 
      at android.app.Activity.setContentView(Activity.java:2166) 
      at com.blues.app.Login_Activity.onCreate(Login_Activity.java:20) 
      at android.app.Activity.performCreate(Activity.java:6237) 
      at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107) 
      at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369) 
            at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476) 
            at android.app.ActivityThread.-wrap11(ActivityThread.java) 
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344) 
            at android.os.Handler.dispatchMessage(Handler.java:102) 
            at android.os.Looper.loop(Looper.java:148) 
            at android.app.ActivityThread.main(ActivityThread.java:5417) 
            at java.lang.reflect.Method.invoke(Native Method) 
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
    Caused by: android.view.InflateException: Binary XML file line #36: Error inflating class <unknown> 
      at android.view.LayoutInflater.createView(LayoutInflater.java:645) 
      at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58) 
      at android.view.LayoutInflater.onCreateView(LayoutInflater.java:694) 
      at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:762) 
      at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704) 
      at android.view.LayoutInflater.rInflate(LayoutInflater.java:835) 
      at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798) 
      at android.view.LayoutInflater.rInflate(LayoutInflater.java:838) 
      at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798) 
      at android.view.LayoutInflater.rInflate(LayoutInflater.java:838) 
      at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798) 
      at android.view.LayoutInflater.inflate(LayoutInflater.java:515) 
            at android.view.LayoutInflater.inflate(LayoutInflater.java:423) 
            at android.view.LayoutInflater.inflate(LayoutInflater.java:374) 
            at com.android.internal.policy.PhoneWindow.setContentView(PhoneWindow.java:393) 
            at android.app.Activity.setContentView(Activity.java:2166) 
            at com.blues.app.Login_Activity.onCreate(Login_Activity.java:20) 
            at android.app.Activity.performCreate(Activity.java:6237) 
            at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107) 
            at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369) 
            at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476) 
            at android.app.ActivityThread.-wrap11(ActivityThread.java) 
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344) 
            at android.os.Handler.dispatchMessage(Handler.java:102) 
            at android.os.Looper.loop(Looper.java:148) 
            at android.app.ActivityThread.main(ActivityThread.java:5417) 
            at java.lang.reflect.Method.invoke(Native Method) 
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
    Caused by: java.lang.reflect.InvocationTargetException 
      at java.lang.reflect.Constructor.newInstance(Native Method) 
      at android.view.LayoutInflater.createView(LayoutInflater.java:619) 
            at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58) 
            at android.view.LayoutInflater.onCreateView(LayoutInflater.java:694) 
            at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:762) 
            at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704) 
            at android.view.LayoutInflater.rInflate(LayoutInflater.java:835) 
            at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798) 
            at android.view.LayoutInflater.rInflate(LayoutInflater.java:838) 
            at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798) 
            at android.view.LayoutInflater.rInflate(LayoutInflater.java:838) 
            at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798) 
            at android.view.LayoutInflater.inflate(LayoutInflater.java:515) 
            at android.view.LayoutInflater.inflate(LayoutInflater.java:423) 
            at android.view.LayoutInflater.inflate(LayoutInflater.java:374) 
            at com.android.internal.policy.PhoneWindow.setContentView(PhoneWindow.java:393) 
            at android.app.Activity.setContentView(Activity.java:2166) 
            at com.blues.app.Login_Activity.onCreate(Login_Activity.java:20) 
            at android.app.Activity.performCreate(Activity.java:6237) 
            at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107) 
            at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369) 
            at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476) 
            at android.app.ActivityThread.-wrap11(ActivityThread.java) 
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344) 
            at android.os.Handler.dispatchMessage(Handler.java:102) 
            at android.os.Looper.loop(Looper.java:148) 
            at android.app.ActivityThread.main(ActivityThread.java:5417) 
            at java.lang.reflect.Method.invoke(Native Method) 
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
    Caused by: java.lang.UnsupportedOperationException: Can't convert to dimension: type=0x1 
      at android.content.res.TypedArray.getDimensionPixelSize(TypedArray.java:666) 
      at android.widget.TextView.<init>(TextView.java:1055) 
      at android.widget.TextView.<init>(TextView.java:671) 
      at android.widget.TextView.<init>(TextView.java:667) 
            at java.lang.reflect.Constructor.newInstance(Native Method) 
            at android.view.LayoutInflater.createView(LayoutInflater.java:619) 
            at com.android.internal.policy.PhoneLayoutInflater.onCreateView(PhoneLayoutInflater.java:58) 
            at android.view.LayoutInflater.onCreateView(LayoutInflater.java:694) 
            at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:762) 
            at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:704) 
            at android.view.LayoutInflater.rInflate(LayoutInflater.java:835) 
            at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798) 
            at android.view.LayoutInflater.rInflate(LayoutInflater.java:838) 
            at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798) 
            at android.view.LayoutInflater.rInflate(LayoutInflater.java:838) 
            at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:798) 
            at android.view.LayoutInflater.inflate(LayoutInflater.java:515) 
            at android.view.LayoutInflater.inflate(LayoutInflater.java:423) 
            at android.view.LayoutInflater.inflate(LayoutInflater.java:374) 
            at com.android.internal.policy.PhoneWindow.setContentView(PhoneWindow.java:393) 
            at android.app.Activity.setContentView(Activity.java:2166) 
            at com.blues.app.Login_Activity.onCreate(Login_Activity.java:20) 
            at android.app.Activity.performCreate(Activity.java:6237) 
            at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1107) 
            at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2369) 
            at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2476) 
            at android.app.ActivityThread.-wrap11(ActivityThread.java) 
            at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1344) 
            at android.os.Handler.dispatchMessage(Handler.java:102) 
            at android.os.Looper.loop(Looper.java:148) 
            at android.app.ActivityThread.main(ActivityThread.java:5417) 
            at java.lang.reflect.Method.invoke(Native Method) 
            at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:726) 
            at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:616) 
02-09 15:50:50.215 2720-2720/com.blues.app I/Process﹕ Sending signal. PID: 2720 SIG: 9

活動課

package com.blues.app; 

import android.app.Activity; 
import android.os.Bundle; 
import android.view.Window; 
import android.widget.EditText; 
import android.widget.ProgressBar; 

/** 
* Created by iSandeep on 2/9/2016. 
*/ 
public class Login_Activity extends Activity { 

    EditText Username,Password; 
    ProgressBar login_Progress; 

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

XML佈局activity_login

<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
    xmlns:tools="http://schemas.android.com/tools" 
    android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    android:background="@drawable/my_shape" 
    android:padding="16dp" 
    tools:context="com.blues.app.Login_Activity"> 

    <FrameLayout 
     android:id="@+id/Header" 
     android:layout_width="match_parent" 
     android:layout_height="wrap_content" 
     android:layout_centerHorizontal="true" 
     android:padding="16dp"> 

     <TextView 
      android:layout_width="wrap_content" 
      android:layout_height="wrap_content" 
      android:layout_gravity="center_horizontal|center_vertical" 
      android:textColor="#000000" 
      android:text="SkyEdu" 
      android:textSize="34dp"/> 

    </FrameLayout> 

    <ScrollView 
     android:id="@+id/login_form" 
     android:layout_width="match_parent" 
     android:layout_height="wrap_content" 
     android:layout_below="@+id/Header" 
     android:layout_marginTop="@dimen/abc_action_bar_default_height_material"> 

     <LinearLayout 
      android:id="@+id/llMyLinearLayout" 
      android:orientation="vertical" 
      android:layout_width="match_parent" 
      android:layout_height="wrap_content"> 

      <TextView 
       android:id="@+id/tvLbl" 
       android:layout_width="wrap_content" 
       android:layout_height="wrap_content" 
       android:textColor="#000000" 
       android:textSize="?android:attr/textAppearanceMedium" 
       android:text="Username"/> 

      <EditText 
       android:id="@+id/email" 
       android:layout_width="match_parent" 
       android:layout_height="wrap_content" 
       android:theme="@style/AppTheme" 
       android:inputType="text" 
       android:padding="10dp" 
       android:hint="Your Username"/> 

      <TextView 
       android:id="@+id/tvLblPass" 
       android:layout_width="wrap_content" 
       android:layout_height="wrap_content" 
       android:textColor="#000000" 
       android:layout_marginTop="10dp" 
       android:textSize="?android:attr/textAppearanceMedium" 
       android:text="Password"/> 

      <EditText 
       android:id="@+id/password" 
       android:layout_width="match_parent" 
       android:layout_height="wrap_content" 
       android:imeActionId="@+id/login" 
       android:theme="@style/AppTheme" 
       android:inputType="textPassword" 
       android:padding="10dp" 
       android:hint="Your Password"/> 

      <!-- Login progress --> 
      <ProgressBar 
       android:id="@+id/login_progress" 
       style="?android:attr/progressBarStyleHorizontal" 
       android:layout_width="match_parent" 
       android:layout_height="wrap_content" 
       android:layout_marginBottom="8dp" 
       android:layout_marginTop="20dp" 
       android:visibility="gone" /> 

      <Button 
       android:id="@+id/email_sign_in_button" 
       android:layout_width="wrap_content" 
       android:layout_height="wrap_content" 
       android:textColor="#2196f3" 
       android:layout_gravity="center_horizontal" 
       android:layout_margin="20dp" 
       android:padding="20dp" 
       android:textSize="20sp" 
       style="?android:attr/borderlessButtonStyle" 
       android:text="SIGN IN"/> 

      <TextView 
       android:layout_width="wrap_content" 
       android:layout_height="wrap_content" 
       android:layout_gravity="center" 
       android:textColor="#000000" 
       android:layout_marginTop="20dp" 
       android:text="NextSky Technologies Pvt. Ltd."/> 
     </LinearLayout> 

    </ScrollView> 

    <!--<ScrollView android:id="@+id/login_form" 
     android:layout_width="match_parent" 
     android:layout_height="wrap_content" 
     android:visibility="visible" 
     android:theme="@android:style/Theme.Translucent"> 

     <LinearLayout android:id="@+id/email_login_form" 
      android:layout_width="match_parent" 
      android:layout_height="wrap_content" 
      android:background="#ffffffff" 
      android:layout_marginLeft="@dimen/pageMargin" 
      android:layout_marginRight="@dimen/pageMargin" 
      android:paddingBottom="@dimen/pageMargin" 
      android:padding="@dimen/pageMargin" 
      android:orientation="vertical" 
      android:gravity="center_horizontal|center_vertical"> 

      <TextView 
       android:layout_width="wrap_content" 
       android:layout_height="wrap_content" 
       android:layout_gravity="start" 
       android:visibility="gone" 
       android:text="@string/Chk"/> 
      <ImageView 
       android:layout_width="wrap_content" 
       android:layout_height="wrap_content" 
       android:contentDescription="@string/app_name" 
       android:background="@drawable/main_img"/> 

      <LinearLayout 
       android:layout_width="match_parent" 
       android:layout_height="wrap_content" 
       android:layout_marginTop="@dimen/minerMargin" 
       android:gravity="center_horizontal"> 

       <TextView 
        android:layout_width="wrap_content" 
        android:layout_height="wrap_content" 
        android:background="@color/whiteBg" 
        android:text="@string/LoginHeader" 
        android:textStyle="bold" 
        android:textSize="@dimen/textSize"/> 

       <TextView 
        android:layout_width="wrap_content" 
        android:layout_height="wrap_content" 
        android:background="@color/whiteBg" 
        android:layout_marginLeft="5dp" 
        android:layout_marginStart="5dp" 
        android:text="@string/LoginHeader1" 
        android:textSize="@dimen/textSize"/> 

      </LinearLayout> 

      <LinearLayout 
       android:layout_width="match_parent" 
       android:layout_height="wrap_content" 
       android:orientation="vertical" 
       android:gravity="center_horizontal"> 

       <AutoCompleteTextView android:id="@+id/email" 
        android:layout_width="match_parent" 
        android:layout_height="wrap_content" 
        android:maxLines="1" 
        android:singleLine="true" 
        android:textCursorDrawable="@drawable/cursor" 
        android:background="@drawable/abc_popup_background_mtrl_mult" 
        android:hint="@string/Username" 
        android:padding="@dimen/LoginTextBoxPadding" 
        android:textSize="@dimen/textSize" 
        android:textColor="#000000" 
        android:text="" 
        android:layout_marginLeft="@dimen/minerMargin" 
        android:layout_marginRight="@dimen/minerMargin" /> 

       <EditText android:id="@+id/password" 
        android:layout_width="match_parent" 
        android:layout_height="wrap_content" 
        android:hint="@string/prompt_password" 
        android:imeActionId="@+id/login" 
        android:textCursorDrawable="@drawable/cursor" 
        android:imeActionLabel="@string/action_sign_in_short" 
        android:imeOptions="actionUnspecified" 
        android:inputType="textPassword" 
        android:text="" 
        android:maxLines="1" 
        android:textColor="#000000" 
        android:singleLine="true" 
        android:background="@drawable/abc_popup_background_mtrl_mult" 
        android:padding="@dimen/LoginTextBoxPadding" 
        android:textSize="@dimen/textSize" 
        android:layout_marginLeft="@dimen/minerMargin" 
        android:layout_marginRight="@dimen/minerMargin"/> 

       <Button android:id="@+id/email_sign_in_button" 
        android:text="@string/btnLogin" 
        android:textColor="@color/BtnTextColor" 
        android:textAllCaps="false" 
        android:layout_width="wrap_content" 
        android:layout_height="wrap_content" 
        android:background="@drawable/login_button" 
        android:shadowColor="#A8A8A8" 
        android:shadowDx="0" 
        android:shadowDy="0" 
        android:shadowRadius="5" 
        android:textAppearance="?android:attr/textAppearanceMedium" 
        android:layout_marginTop="@dimen/minerMargin" 
        android:layout_marginRight="@dimen/minerMargin" 
        android:layout_marginEnd="@dimen/minerMargin" 
        android:layout_gravity="end"/> 
      </LinearLayout> 
     </LinearLayout> 
    </ScrollView>--> 
</RelativeLayout>

到目前爲止，我已經嘗試了清潔和b uild，爲同一任務創建新的活動。但它給出了同樣的例外。

如果您需要任何其他信息，請在評論中提及。謝謝。

來源

2016-02-09 iSandeep

它是您的活動xml佈局的問題。我們可以看到它嗎？ – jvrodrigues

爲此活動發佈您的xml文件。 xml中存在一些問題 –

分享您的xml和類文件 – Rakesh

此：

android:textSize="?android:attr/textAppearanceMedium"

不是有效的textSize。無論是一個有效的文本大小即器14sp或使用替代：

android:textAppearance="?android:attr/textAppearanceMedium"

來源

2016-02-09 10:54:43 jvrodrigues

試試這個：

更換

android:layout_marginTop="@dimen/abc_action_bar_default_height_material"

與

android:layout_marginTop="10dp"

有關更多詳情，請 this鏈接

來源

2016-02-09 10:52:26

感謝@AndroidDev和@jvrodrigues對你的答案我已經合併的答案，現在它工作正常。

來源

2016-02-09 11:35:54 iSandeep

致命異常無法理解原因

回答

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