當我實現方法setSupportActionBar

我得到我的應用程序崩潰嗯，事情是，如果我從add_event活動擦除setSupportActionBar（工具欄），它的工作原理，add_event活動打開並顯示所有按鈕和textEdits上屏幕上，但不顯示工具欄上的任何按鈕，只是工具欄，乾淨，如果我把該setSupportActionBar方法，它會崩潰時，我調用活動（add_event）。當我實現方法setSupportActionBar

有人可以解釋發生了什麼？感謝提前:)

我已經把一些代碼在這裏，但你們可以下載整個項目在我的GitHub

https://github.com/dennysfarias/RemindIt

public class MainActivity extends AppCompatActivity { 

@Override 
protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.activity_main); 
    //setting toolbar 
    Toolbar toolbar = (Toolbar)findViewById(R.id.my_toolbar); 
    setSupportActionBar(toolbar); 
} 


public void callactAddEvt(){ 
    Intent callAddEvt = new Intent(MainActivity.this, add_event.class); 
    MainActivity.this.startActivity(callAddEvt); 
} 

@Override 
public boolean onCreateOptionsMenu(Menu menu){ 
    getMenuInflater().inflate(R.menu.menu, menu); 
    return true; 
} 


//put the options inside the 3dot menu 
@Override 
public boolean onOptionsItemSelected(MenuItem item) { 
    switch (item.getItemId()) { 
     case R.id.action_settings: 
      // User chose the "Settings" item, show the app settings UI... 
      Toast.makeText(getApplicationContext(), "Settings Option Pressed", Toast.LENGTH_SHORT).show(); 
      return true; 

     case R.id.action_addevent: 
      //User chose the AddEvent action, whom calls the com.ddtec.remindit.add_event activity 
      callactAddEvt(); 
      Toast.makeText(getApplicationContext(), "Add Event Option Pressed", Toast.LENGTH_SHORT).show(); 

      return true; 
     default: 
      // If we got here, the user's action was not recognized. 
      // Invoke the superclass to handle it. 
      Toast.makeText(getApplicationContext(), "No Option Pressed", Toast.LENGTH_SHORT).show(); 

      return super.onOptionsItemSelected(item); 

    } 
} 
}

這是我的MainActivity它工作得很好，我嘗試這在我的手機上，它看起來不錯。

現在，我要告訴我的第二個活動

public class add_event extends AppCompatActivity { 
@Override 
protected void onCreate(Bundle savedInstanceState) { 
    super.onCreate(savedInstanceState); 
    setContentView(R.layout.add_event); 

    Toolbar toolbar = (Toolbar)findViewById(R.id.my_toolbar2); 
    setSupportActionBar(toolbar); 
} 


@Override 
public boolean onCreateOptionsMenu(Menu menu){ 
    getMenuInflater().inflate(R.menu.menu_add_event, menu); 
    return true; 
} 




@Override 
public boolean onOptionsItemSelected(MenuItem item) { 
    switch (item.getItemId()) { 
     case R.id.action_addfinish: 
      // User chose the Done action, saving the event... 
      Toast.makeText(getApplicationContext(), "Finish/Save Option Pressed", Toast.LENGTH_SHORT).show(); 

      return true; 

     case R.id.action_cancel: 
      // User chose the Cancel action, leaving without saving the current event... 
      Toast.makeText(getApplicationContext(), "Cancel Option Pressed", Toast.LENGTH_SHORT).show(); 

      return true; 

     case R.id.action_settings: 
      Toast.makeText(getApplicationContext(), "Settings Option Pressed", Toast.LENGTH_SHORT).show(); 

      return true; 


     default: 
      // If we got here, the user's action was not recognized. 
      // Invoke the superclass to handle it. 
      Toast.makeText(getApplicationContext(), "No Option Pressed", Toast.LENGTH_SHORT).show(); 

      return super.onOptionsItemSelected(item); 

    } 
} 
}

我add_event活動佈局文件

<?xml version="1.0" encoding="utf-8"?> 
 
<RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" 
 
    android:layout_width="match_parent" 
 
    android:layout_height="match_parent" 
 
    xmlns:app="http://schemas.android.com/apk/res-auto" 
 
    xmlns:tools="http://schemas.android.com/tools" 
 
    tools:context=".add_event"> 
 

 
    <android.support.v7.widget.Toolbar 
 
     android:id="@+id/my_toolbar2" 
 
     android:layout_width="match_parent" 
 
     android:layout_height="?attr/actionBarSize" 
 
     android:background="?attr/colorPrimary" 
 
     android:elevation="4dp"/> 
 

 

 

 
    <RelativeLayout 
 
     android:layout_width="match_parent" 
 
     android:layout_height="match_parent" 
 
     android:layout_centerHorizontal="true" 
 
     android:layout_below="@+id/my_toolbar2"> 
 

 
     <EditText 
 
      android:layout_width="match_parent" 
 
      android:layout_height="wrap_content" 
 
      android:id="@+id/editText" 
 
      android:hint="Event Name" 
 
      android:layout_alignParentTop="true" 
 
      android:layout_alignParentStart="true" 
 
      android:layout_marginTop="37dp" 
 
      android:layout_margin="10dp" /> 
 

 
     <EditText 
 
      android:layout_width="match_parent" 
 
      android:layout_height="wrap_content" 
 
      android:id="@+id/editText2" 
 
      android:hint="Event Location" 
 
      android:layout_below="@+id/editText" 
 
      android:layout_alignParentLeft="true" 
 
      android:layout_margin="10dp" /> 
 

 
     <EditText 
 
      android:layout_width="200dp" 
 
      android:layout_height="wrap_content" 
 
      android:inputType="date" 
 
      android:ems="10" 
 
      android:id="@+id/editText3" 
 
      android:layout_alignParentStart="true" 
 
      android:hint="Event Date" 
 
      android:layout_below="@+id/editText2" 
 
      android:layout_alignParentLeft="true" 
 
      android:layout_margin="10dp" /> 
 

 
     <EditText 
 
      android:layout_width="120dp" 
 
      android:layout_height="wrap_content" 
 
      android:inputType="time" 
 
      android:ems="10" 
 
      android:id="@+id/editText4" 
 
      android:hint="Event Time" 
 
      android:layout_marginLeft="10dp" 
 
      android:layout_marginRight="10dp" 
 
      android:layout_alignTop="@+id/editText3" 
 
      android:layout_alignEnd="@+id/editText2" /> 
 

 
     <EditText 
 
      android:layout_width="fill_parent" 
 
      android:layout_height="200dp" 
 
      android:inputType="textMultiLine" 
 
      android:ems="10" 
 
      android:id="@+id/editText5" 
 
      android:hint="Event Description" 
 
      android:layout_alignParentStart="true" 
 
      android:layout_below="@+id/editText4" 
 
      android:layout_alignParentLeft="true" 
 
      android:layout_margin="10dp" /> 
 
    </RelativeLayout> 
 

 

 
</RelativeLayout>

在這裏，我Style.xml

<resources> 


<!-- Base application theme. --> 
<style name="AppThemeWithNoAB" parent="Theme.AppCompat.NoActionBar"> 
    <item name="colorPrimary">@color/my_primary</item> 
    <item name="colorPrimaryDark">@color/my_primary_dark</item> 
    <item name="colorAccent">@color/my_accent</item> 
    <item name="android:textColorPrimary">@color/my_primary_text</item> 
    <item name="android:textColorSecondary">@color/my_secondary_text</item> 
    <item name="android:windowBackground">@color/window_background</item> 

    <item name="windowActionBar">false</item> 
    <item name="windowNoTitle">true</item> 


</style>

的logcat的

04-27 14:13:30.197 241-519/? D/RouteManager: doReconsiderRouting: DONE 
 
04-27 14:13:30.197 241-519/? D/EVENT_THREAD: void CEventThread::run() Do poll with timeout: -1 
 
04-27 14:13:30.197 241-520/? E/TinyAlsaStream: getFramesAvailable: Unable to get available frames 
 
04-27 14:13:30.197 241-520/? E/TinyAlsaStream: getFramesAvailable: Unable to get available frames 
 
04-27 14:13:30.197 241-520/? E/TinyAlsaStream: getFramesAvailable: Unable to get available frames 
 
04-27 14:13:30.197 241-520/? E/TinyAlsaStream: getFramesAvailable: Unable to get available frames 
 
04-27 14:13:30.207 525-1054/system_process V/WindowManager: Adding window Window{30cae9cd u0 com.ddtec.remindit/com.ddtec.remindit.add_event} at 8 of 27 (after Window{368d2628 u0 com.ddtec.remindit/com.ddtec.remindit.MainActivity}) 
 
04-27 14:13:30.327 11735-11735/com.ddtec.remindit D/AndroidRuntime: Shutting down VM 
 
04-27 14:13:30.327 11735-11735/com.ddtec.remindit E/AndroidRuntime: FATAL EXCEPTION: main 
 
                    Process: com.ddtec.remindit, PID: 11735 
 
                    android.view.InflateException: Couldn't resolve menu item onClick handler ClearAll in class com.ddtec.remindit.add_event 
 
                     at android.support.v7.view.SupportMenuInflater$InflatedOnMenuItemClickListener.<init>(SupportMenuInflater.java:242) 
 
                     at android.support.v7.view.SupportMenuInflater$MenuState.setItem(SupportMenuInflater.java:443) 
 
                     at android.support.v7.view.SupportMenuInflater$MenuState.addItem(SupportMenuInflater.java:479) 
 
                     at android.support.v7.view.SupportMenuInflater.parseMenu(SupportMenuInflater.java:196) 
 
                     at android.support.v7.view.SupportMenuInflater.inflate(SupportMenuInflater.java:118) 
 
                     at com.ddtec.remindit.add_event.onCreateOptionsMenu(add_event.java:25) 
 
                     at android.app.Activity.onCreatePanelMenu(Activity.java:3632) 
 
                     at android.support.v4.app.FragmentActivity.onCreatePanelMenu(FragmentActivity.java:341) 
 
                     at android.support.v7.view.WindowCallbackWrapper.onCreatePanelMenu(WindowCallbackWrapper.java:85) 
 
                     at android.support.v7.app.AppCompatDelegateImplBase$AppCompatWindowCallbackBase.onCreatePanelMenu(AppCompatDelegateImplBase.java:258) 
 
                     at android.support.v7.view.WindowCallbackWrapper.onCreatePanelMenu(WindowCallbackWrapper.java:85) 
 
                     at android.support.v7.app.ToolbarActionBar.populateOptionsMenu(ToolbarActionBar.java:454) 
 
                     at android.support.v7.app.ToolbarActionBar$1.run(ToolbarActionBar.java:61) 
 
                     at android.os.Handler.handleCallback(Handler.java:739) 
 
                     at android.os.Handler.dispatchMessage(Handler.java:95) 
 
                     at android.os.Looper.loop(Looper.java:135) 
 
                     at android.app.ActivityThread.main(ActivityThread.java:5310) 
 
                     at java.lang.reflect.Method.invoke(Native Method) 
 
                     at java.lang.reflect.Method.invoke(Method.java:372) 
 
                     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904) 
 
                     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699) 
 
                     at de.robv.android.xposed.XposedBridge.main(XposedBridge.java:114) 
 
                    Caused by: java.lang.NoSuchMethodException: ClearAll [interface android.view.MenuItem] 
 
                     at java.lang.Class.getMethod(Class.java:664) 
 
                     at java.lang.Class.getMethod(Class.java:643) 
 
                     at android.support.v7.view.SupportMenuInflater$InflatedOnMenuItemClickListener.<init>(SupportMenuInflater.java:240) 
 
                     at android.support.v7.view.SupportMenuInflater$MenuState.setItem(SupportMenuInflater.java:443)  
 
                     at android.support.v7.view.SupportMenuInflater$MenuState.addItem(SupportMenuInflater.java:479)  
 
                     at android.support.v7.view.SupportMenuInflater.parseMenu(SupportMenuInflater.java:196)  
 
                     at android.support.v7.view.SupportMenuInflater.inflate(SupportMenuInflater.java:118)  
 
                     at com.ddtec.remindit.add_event.onCreateOptionsMenu(add_event.java:25)  
 
                     at android.app.Activity.onCreatePanelMenu(Activity.java:3632)  
 
                     at android.support.v4.app.FragmentActivity.onCreatePanelMenu(FragmentActivity.java:341)  
 
                     at android.support.v7.view.WindowCallbackWrapper.onCreatePanelMenu(WindowCallbackWrapper.java:85)  
 
                     at android.support.v7.app.AppCompatDelegateImplBase$AppCompatWindowCallbackBase.onCreatePanelMenu(AppCompatDelegateImplBase.java:258)  
 
                     at android.support.v7.view.WindowCallbackWrapper.onCreatePanelMenu(WindowCallbackWrapper.java:85)  
 
                     at android.support.v7.app.ToolbarActionBar.populateOptionsMenu(ToolbarActionBar.java:454)  
 
                     at android.support.v7.app.ToolbarActionBar$1.run(ToolbarActionBar.java:61)  
 
                     at android.os.Handler.handleCallback(Handler.java:739)  
 
                     at android.os.Handler.dispatchMessage(Handler.java:95)  
 
                     at android.os.Looper.loop(Looper.java:135)  
 
                     at android.app.ActivityThread.main(ActivityThread.java:5310)  
 
                     at java.lang.reflect.Method.invoke(Native Method)  
 
                     at java.lang.reflect.Method.invoke(Method.java:372)  
 
                     at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:904)  
 
                     at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:699)  
 
                     at de.robv.android.xposed.XposedBridge.main(XposedBridge.java:114)  
 
04-27 14:13:30.327 525-1034/system_process W/ActivityManager: Force finishing activity 1 com.ddtec.remindit/.add_event 
 
04-27 14:13:30.337 525-1034/system_process W/ActivityManager: Force finishing activity 2 com.ddtec.remindit/.MainActivity 
 
04-27 14:13:30.357 186-186/? I/upi_ug31xx: [get_daemon_uevent_request]: uevent_request = 0 (0000)

來源

2016-04-28 Dennys Farias

在發佈問題之前，您是否做過任何事情？ – duggu

在你menu_add_event.xml線路上無：您已經添加13 '機器人：的onClick = 「ClearAll」'。這是造成這個問題的原因。請刪除該行或在您的活動中添加以下功能。

public boolean ClearAll(MenuItem item) { 
// actions 
}

來源

2016-04-28 14:08:06

男人，我不相信，哈哈只是這...這是從一個方法，我用來清除我的ListView時測試另一件事...我不知道爲什麼IDE不指出爲錯誤。但是，謝謝你，它現在工作得很好:) –

IDE不會指出這一點，堆棧跟蹤。 – cyroxis

當我實現方法setSupportActionBar

回答

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