新しいアクティビティを作成するときにAndroidの問題：アクティビティを開始できませんComponentInfo

Question

こんにちは私は新しいアクティビティを通してボタンをクリックするとポップアップメニューを作成しようとしていますが、私はいつも同じ問題を抱えています。それは自分で。多分私がやっていることは馬鹿だが、私はAndroidで数日を始めた。

logcatはこれです：

03-14 11:46:37.581 9653-9653/info.androidhive.navigationdrawer E/AndroidRuntime: FATAL EXCEPTION: main 
Process: info.androidhive.navigationdrawer, PID: 9653 
java.lang.RuntimeException: Unable to start activity ComponentInfo{info.androidhive.navigationdrawer/info.androidhive.navigationdrawer.activity.MainActivity}: android.view.InflateException: Binary XML file line #2: Error inflating class android.support.design.widget.CoordinatorLayout 
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2325) 
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387) 
at android.app.ActivityThread.access$800(ActivityThread.java:151) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:135) 
at android.app.ActivityThread.main(ActivityThread.java:5254) 
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:903) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) 
Caused by: android.view.InflateException: Binary XML file line #2: Error inflating class android.support.design.widget.CoordinatorLayout 
at android.view.LayoutInflater.createView(LayoutInflater.java:633) 
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:743) 
at android.view.LayoutInflater.parseInclude(LayoutInflater.java:892) 
at android.view.LayoutInflater.rInflate(LayoutInflater.java:802) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:504) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:414) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:365) 
at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:280) 
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140) 
at info.androidhive.navigationdrawer.activity.MainActivity.onCreate(MainActivity.java:69) 
at android.app.Activity.performCreate(Activity.java:5990) 
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106) 
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278) 
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387) 
at android.app.ActivityThread.access$800(ActivityThread.java:151) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:135) 
at android.app.ActivityThread.main(ActivityThread.java:5254) 
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:903) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) 
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 android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:743) 
at android.view.LayoutInflater.parseInclude(LayoutInflater.java:892) 
at android.view.LayoutInflater.rInflate(LayoutInflater.java:802) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:504) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:414) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:365) 
at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:280) 
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140) 
at info.androidhive.navigationdrawer.activity.MainActivity.onCreate(MainActivity.java:69) 
at android.app.Activity.performCreate(Activity.java:5990) 
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106) 
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278) 
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387) 
at android.app.ActivityThread.access$800(ActivityThread.java:151) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:135) 
at android.app.ActivityThread.main(ActivityThread.java:5254) 
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:903) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) 
Caused by: java.lang.IllegalArgumentException: You need to use a Theme.AppCompat theme (or descendant) with the design library. 
at android.support.design.widget.ThemeUtils.checkAppCompatTheme(ThemeUtils.java:36) 
at android.support.design.widget.CoordinatorLayout.<init>(CoordinatorLayout.java:185) 
at android.support.design.widget.CoordinatorLayout.<init>(CoordinatorLayout.java:179) 
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 android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:743) 
at android.view.LayoutInflater.parseInclude(LayoutInflater.java:892) 
at android.view.LayoutInflater.rInflate(LayoutInflater.java:802) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:504) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:414) 
at android.view.LayoutInflater.inflate(LayoutInflater.java:365) 
at android.support.v7.app.AppCompatDelegateImplV7.setContentView(AppCompatDelegateImplV7.java:280) 
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:140) 
at info.androidhive.navigationdrawer.activity.MainActivity.onCreate(MainActivity.java:69) 
at android.app.Activity.performCreate(Activity.java:5990) 
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1106) 
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2278) 
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2387) 
at android.app.ActivityThread.access$800(ActivityThread.java:151) 
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1303) 
at android.os.Handler.dispatchMessage(Handler.java:102) 
at android.os.Looper.loop(Looper.java:135) 
at android.app.ActivityThread.main(ActivityThread.java:5254) 
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:903) 
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:698) 

マイMainActivity：

package info.androidhive.navigationdrawer.activity; 

import android.content.Intent; 
import android.os.Bundle; 
import android.os.Handler; 
import android.support.design.widget.FloatingActionButton; 
import android.support.design.widget.NavigationView; 
import android.support.design.widget.Snackbar; 
import android.support.v4.app.Fragment; 
import android.support.v4.app.FragmentTransaction; 
import android.support.v4.view.GravityCompat; 
import android.support.v4.widget.DrawerLayout; 
import android.support.v7.app.ActionBarDrawerToggle; 
import android.support.v7.app.AppCompatActivity; 
import android.support.v7.widget.Toolbar; 
import android.view.Menu; 
import android.view.MenuItem; 
import android.view.View; 
import android.widget.Button; 
import android.widget.ImageView; 
import android.widget.TextView; 
import android.widget.Toast; 

import com.bumptech.glide.Glide; 
import com.bumptech.glide.load.engine.DiskCacheStrategy; 

import info.androidhive.navigationdrawer.R; 
import info.androidhive.navigationdrawer.fragment.GenerarFragment; 
import info.androidhive.navigationdrawer.fragment.PasswordsFragment; 
import info.androidhive.navigationdrawer.fragment.SettingsFragment; 
import info.androidhive.navigationdrawer.other.CircleTransform; 

public class MainActivity extends AppCompatActivity { 

    private NavigationView navigationView; 
    private DrawerLayout drawer; 
    private View navHeader; 
    private ImageView imgNavHeaderBg, imgProfile; 
    private TextView txtName, txtWebsite; 
    private Toolbar toolbar; 
    private FloatingActionButton fab; 

    // urls to load navigation header background image 
    // and profile image 
    private static final String urlNavHeaderBg = "http://api.androidhive.info/images/nav-menu-header-bg.jpg"; 
    private static final String urlProfileImg = "https://lh3.googleusercontent.com/eCtE_G34M9ygdkmOpYvCag1vBARCmZwnVS6rS5t4JLzJ6QgQSBquM0nuTsCpLhYbKljoyS-txg"; 

    // index to identify current nav menu item 
    public static int navItemIndex = 0; 

    // tags used to attach the fragments 
    private static final String TAG_HOME = "home"; 
    private static final String TAG_PHOTOS = "photos"; 
    private static final String TAG_SETTINGS = "settings"; 
    public static String CURRENT_TAG = TAG_HOME; 

    // toolbar titles respected to selected nav menu item 
    private String[] activityTitles; 

    // flag to load home fragment when user presses back key 
    private boolean shouldLoadHomeFragOnBackPress = true; 
    private Handler mHandler; 

    private static Button button_sbm; 

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

     mHandler = new Handler(); 

     drawer = (DrawerLayout) findViewById(R.id.drawer_layout); 
     navigationView = (NavigationView) findViewById(R.id.nav_view); 
     fab = (FloatingActionButton) findViewById(R.id.fab); 

     // Navigation view header 
     navHeader = navigationView.getHeaderView(0); 
     txtName = (TextView) navHeader.findViewById(R.id.name); 
     txtWebsite = (TextView) navHeader.findViewById(R.id.website); 
     imgNavHeaderBg = (ImageView) navHeader.findViewById(R.id.img_header_bg); 
     imgProfile = (ImageView) navHeader.findViewById(R.id.img_profile); 

     // load toolbar titles from string resources 
     activityTitles = getResources().getStringArray(R.array.nav_item_activity_titles); 

     fab.setOnClickListener(new View.OnClickListener() { 
      @Override 
      public void onClick(View view) { 
       Snackbar.make(view, "Replace with your own action", Snackbar.LENGTH_LONG) 
         .setAction("Action", null).show(); 
      } 
     }); 

     // load nav menu header data 
     loadNavHeader(); 

     // initializing navigation menu 
     setUpNavigationView(); 

     if (savedInstanceState == null) { 
      navItemIndex = 0; 
      CURRENT_TAG = TAG_HOME; 
      loadHomeFragment(); 
     } 
     OnClickButtonListener(); 
    } 

    public void OnClickButtonListener(){ 
     button_sbm = (Button) findViewById(R.id.button); 
     button_sbm.setOnClickListener(
       new View.OnClickListener(){ 
        @Override 
        public void onClick(View v){ 
         Intent intent = new Intent("info.androidhive.navigationdrawer.activity.RegisterForContextMenuActivity"); 
         startActivity(intent); 
        } 
       } 
     ); 
    } 

    /*** 
    * Load navigation menu header information 
    * like background image, profile image 
    * name, website, notifications action view (dot) 
    */ 
    private void loadNavHeader() { 
     // name, website 
     txtName.setText("Ravi Tamada"); 
     txtWebsite.setText("www.androidhive.info"); 

     // loading header background image 
     Glide.with(this).load(urlNavHeaderBg) 
       .crossFade() 
       .diskCacheStrategy(DiskCacheStrategy.ALL) 
       .into(imgNavHeaderBg); 

     // Loading profile image 
     Glide.with(this).load(urlProfileImg) 
       .crossFade() 
       .thumbnail(0.5f) 
       .bitmapTransform(new CircleTransform(this)) 
       .diskCacheStrategy(DiskCacheStrategy.ALL) 
       .into(imgProfile); 
    } 

    /*** 
    * Returns respected fragment that user 
    * selected from navigation menu 
    */ 
    private void loadHomeFragment() { 
     // selecting appropriate nav menu item 
     selectNavMenu(); 

     // set toolbar title 
     setToolbarTitle(); 

     // if user select the current navigation menu again, don't do anything 
     // just close the navigation drawer 
     if (getSupportFragmentManager().findFragmentByTag(CURRENT_TAG) != null) { 
      drawer.closeDrawers(); 

      // show or hide the fab button 
      toggleFab(); 
      return; 
     } 

     // Sometimes, when fragment has huge data, screen seems hanging 
     // when switching between navigation menus 
     // So using runnable, the fragment is loaded with cross fade effect 
     // This effect can be seen in GMail app 
     Runnable mPendingRunnable = new Runnable() { 
      @Override 
      public void run() { 
       // update the main content by replacing fragments 
       Fragment fragment = getHomeFragment(); 
       FragmentTransaction fragmentTransaction = getSupportFragmentManager().beginTransaction(); 
       fragmentTransaction.setCustomAnimations(android.R.anim.fade_in, 
         android.R.anim.fade_out); 
       fragmentTransaction.replace(R.id.frame, fragment, CURRENT_TAG); 
       fragmentTransaction.commitAllowingStateLoss(); 
      } 
     }; 

     // If mPendingRunnable is not null, then add to the message queue 
     if (mPendingRunnable != null) { 
      mHandler.post(mPendingRunnable); 
     } 

     // show or hide the fab button 
     toggleFab(); 

     //Closing drawer on item click 
     drawer.closeDrawers(); 

     // refresh toolbar menu 
     invalidateOptionsMenu(); 
    } 

    private Fragment getHomeFragment() { 
     switch (navItemIndex) { 
      case 0: 
       // home 
       PasswordsFragment passwordsFragment = new PasswordsFragment(); 
       return passwordsFragment; 
      case 1: 
       // photos 
       GenerarFragment generarFragment = new GenerarFragment(); 
       return generarFragment; 
      case 2: 
       // settings fragment 
       SettingsFragment settingsFragment = new SettingsFragment(); 
       return settingsFragment; 
      default: 
       return new PasswordsFragment(); 
     } 
    } 

    private void setToolbarTitle() { 
     getSupportActionBar().setTitle(activityTitles[navItemIndex]); 
    } 

    private void selectNavMenu() { 
     navigationView.getMenu().getItem(navItemIndex).setChecked(true); 
    } 

    private void setUpNavigationView() { 
     //Setting Navigation View Item Selected Listener to handle the item click of the navigation menu 
     navigationView.setNavigationItemSelectedListener(new NavigationView.OnNavigationItemSelectedListener() { 

      // This method will trigger on item Click of navigation menu 
      @Override 
      public boolean onNavigationItemSelected(MenuItem menuItem) { 

       //Check to see which item was being clicked and perform appropriate action 
       switch (menuItem.getItemId()) { 
        //Replacing the main content with ContentFragment Which is our Inbox View; 
        case R.id.home: 
         navItemIndex = 0; 
         CURRENT_TAG = TAG_HOME; 
         break; 
        case R.id.nav_photos: 
         navItemIndex = 1; 
         CURRENT_TAG = TAG_PHOTOS; 
         break; 
        case R.id.nav_settings: 
         navItemIndex = 2; 
         CURRENT_TAG = TAG_SETTINGS; 
         break; 
        case R.id.nav_about_us: 
         // launch new intent instead of loading fragment 
         startActivity(new Intent(MainActivity.this, AboutUsActivity.class)); 
         drawer.closeDrawers(); 
         return true; 
        case R.id.nav_privacy_policy: 
         // launch new intent instead of loading fragment 
         startActivity(new Intent(MainActivity.this, PrivacyPolicyActivity.class)); 
         drawer.closeDrawers(); 
         return true; 
        default: 
         navItemIndex = 0; 
       } 

       //Checking if the item is in checked state or not, if not make it in checked state 
       if (menuItem.isChecked()) { 
        menuItem.setChecked(false); 
       } else { 
        menuItem.setChecked(true); 
       } 
       menuItem.setChecked(true); 

       loadHomeFragment(); 

       return true; 
      } 
     }); 


     ActionBarDrawerToggle actionBarDrawerToggle = new ActionBarDrawerToggle(this, drawer, toolbar, R.string.openDrawer, R.string.closeDrawer) { 

      @Override 
      public void onDrawerClosed(View drawerView) { 
       // Code here will be triggered once the drawer closes as we dont want anything to happen so we leave this blank 
       super.onDrawerClosed(drawerView); 
      } 

      @Override 
      public void onDrawerOpened(View drawerView) { 
       // Code here will be triggered once the drawer open as we dont want anything to happen so we leave this blank 
       super.onDrawerOpened(drawerView); 
      } 
     }; 

     //Setting the actionbarToggle to drawer layout 
     drawer.setDrawerListener(actionBarDrawerToggle); 

     //calling sync state is necessary or else your hamburger icon wont show up 
     actionBarDrawerToggle.syncState(); 
    } 

    @Override 
    public void onBackPressed() { 
     if (drawer.isDrawerOpen(GravityCompat.START)) { 
      drawer.closeDrawers(); 
      return; 
     } 

     // This code loads home fragment when back key is pressed 
     // when user is in other fragment than home 
     if (shouldLoadHomeFragOnBackPress) { 
      // checking if user is on other navigation menu 
      // rather than home 
      if (navItemIndex != 0) { 
       navItemIndex = 0; 
       CURRENT_TAG = TAG_HOME; 
       loadHomeFragment(); 
       return; 
      } 
     } 

     super.onBackPressed(); 
    } 

    @Override 
    public boolean onCreateOptionsMenu(Menu menu) { 
     // Inflate the menu; this adds items to the action bar if it is present. 

     // show menu only when home fragment is selected 
     if (navItemIndex == 0) { 
      getMenuInflater().inflate(R.menu.main, menu); 
     } 

     return true; 
    } 

    @Override 
    public boolean onOptionsItemSelected(MenuItem item) { 
     // Handle action bar item clicks here. The action bar will 
     // automatically handle clicks on the Home/Up button, so long 
     // as you specify a parent activity in AndroidManifest.xml. 
     int id = item.getItemId(); 

     //noinspection SimplifiableIfStatement 
     if (id == R.id.action_logout) { 
      Toast.makeText(getApplicationContext(), "Logout user!", Toast.LENGTH_LONG).show(); 
      return true; 
     } 

     return super.onOptionsItemSelected(item); 
    } 

    // show or hide the fab 
    private void toggleFab() { 
     if (navItemIndex == 0) 
      fab.show(); 
     else 
      fab.hide(); 
    } 
} 

これはレイアウトです：

<?xml version="1.0" encoding="utf-8"?> 
<android.support.v4.widget.DrawerLayout 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:id="@+id/drawer_layout" 
    android:layout_width="match_parent" 
    android:layout_height="match_parent" 
    android:fitsSystemWindows="true" 
    tools:openDrawer="start"> 

    <include 
     layout="@layout/app_bar_main" 
     android:layout_width="match_parent" 
     android:layout_height="match_parent" /> 

    <android.support.design.widget.NavigationView 
     android:id="@+id/nav_view" 
     android:layout_width="wrap_content" 
     android:layout_height="match_parent" 
     android:layout_gravity="start" 
     android:fitsSystemWindows="true" 
     app:headerLayout="@layout/nav_header_main" 
     app:menu="@menu/activity_main_drawer" /> 

</android.support.v4.widget.DrawerLayout> 

これはAndroidManifestです：

<?xml version="1.0" encoding="utf-8"?> 
<manifest xmlns:android="http://schemas.android.com/apk/res/android" 
    package="info.androidhive.navigationdrawer"> 

    <uses-permission android:name="android.permission.INTERNET" /> 

    <application 
     android:allowBackup="true" 
     android:icon="@mipmap/ic_launcher" 
     android:label="@string/app_name" 
     android:supportsRtl="true" 
     android:theme="@style/AppTheme"> 
     <activity 
      android:name=".activity.MainActivity" 
      android:label="@string/app_name" 
      android:theme="@style/AppTheme.NoActionBar"> 
      <intent-filter> 
       <action android:name="info.androidhive.navigationdrawer.activity.RegisterForContextMenuActivity" /> 

       <category android:name="android.intent.category.DEFAULT" /> 
      </intent-filter> 
     </activity> 
     <activity 
      android:name=".activity.AboutUsActivity" 
      android:label="@string/activity_title_about_us" /> 
     <activity 
      android:name=".activity.PrivacyPolicyActivity" 
      android:label="@string/activity_title_privacy_policy" /> 
     <activity android:name=".activity.RegisterForContextMenuActivity"></activity> 
    </application> 

</manifest> 

Style.xml：スタックトレース言及として

<resources> 

    <!-- Base application theme. --> 
    <style name="AppTheme" parent="Theme.AppCompat.Light.DarkActionBar"> 
     <!-- Customize your theme here. --> 
     <item name="colorPrimary">@color/colorPrimary</item> 
     <item name="colorPrimaryDark">@color/colorPrimaryDark</item> 
     <item name="colorAccent">@color/colorAccent</item> 
    </style> 
    <style name="AppTheme.NoActionBar"> 
     <item name="windowActionBar">false</item> 
     <item name="windowNoTitle">true</item> 
    </style> 
    <style name="AppTheme.AppBarOverlay" parent="ThemeOverlay.AppCompat.Dark.ActionBar" /> 
    <style name="AppTheme.PopupOverlay" parent="ThemeOverlay.AppCompat.Light" /> 

</resources> 

Answer 1

：java.lang.IllegalArgumentExceptionが：によって引き起こさあなたが設計ライブラリでTheme.AppCompatのテーマ（または子孫）を使用する必要があります。 問題はあなたのアクティビティテーマにあります。 あなたのAndroidManifestファイルで、MainActivityにカスタムテーマ「@ style/AppTheme.NoActionBar」があることを確認するには、あなたのカスタムAppThemeに親Theme.AppCompatテーマ（または子孫）があることを確認してください。