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Firebaseを使用してAndroid用のシンプルなソーシャルネットワーキングアプリを開発しています。このアプリの主な活動はログイン画面です。 Android 7.0（API 24）を実行しているエミュレータでは正常にログインできますが、Android 4.4（API 19）ではログイン時にクラッシュします。ここでLogcatです：ここではAndroid 4.4（API 19）を実行している電話機でAndroid 7.0（API 24）を実行するエミュレータで動作するAndroidアプリ
06-29 20:32:52.428 31471-31471/com.oliviamontoya.letstradezines E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.oliviamontoya.letstradezines, PID: 31471
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.oliviamontoya.letstradezines/com.oliviamontoya.letstradezines.Main2Activity}: android.view.InflateException: Binary XML file line #16: Error inflating class android.support.design.widget.NavigationView
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2181)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2231)
at android.app.ActivityThread.access$700(ActivityThread.java:139)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1401)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5082)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:598)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.view.InflateException: Binary XML file line #16: Error inflating class android.support.design.widget.NavigationView
at android.view.LayoutInflater.createView(LayoutInflater.java:620)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:696)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:289)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139)
at com.oliviamontoya.letstradezines.Main2Activity.onCreate(Main2Activity.java:54)
at android.app.Activity.performCreate(Activity.java:5287)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2145)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2231)
at android.app.ActivityThread.access$700(ActivityThread.java:139)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1401)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5082)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:598)
at dalvik.system.NativeStart.main(Native Method)
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.constructNative(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at android.view.LayoutInflater.createView(LayoutInflater.java:594)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:696)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:289)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139)
at com.oliviamontoya.letstradezines.Main2Activity.onCreate(Main2Activity.java:54)
at android.app.Activity.performCreate(Activity.java:5287)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2145)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2231)
at android.app.ActivityThread.access$700(ActivityThread.java:139)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1401)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5082)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:598)
at dalvik.system.NativeStart.main(Native Method)
Caused by: android.content.res.Resources$NotFoundException: Resource ID #0x7f020070
at android.content.res.Resources.getValue(Resources.java:1163)
at android.support.v7.widget.AppCompatDrawableManager.loadDrawableFromDelegates(AppCompatDrawableManager.java:331)
at android.support.v7.widget.AppCompatDrawableManager.getDrawable(AppCompatDrawableManager.java:196)
at android.support.v7.widget.AppCompatDrawableManager.getDrawable(AppCompatDrawableManager.java:189)
at android.support.v7.content.res.AppCompatResources.getDrawable(AppCompatResources.java:100)
at android.support.v7.view.menu.MenuItemImpl.getIcon(MenuItemImpl.java:427)
at android.support.design.internal.NavigationMenuPresenter$NavigationMenuAdapter.prepareMenuItems(NavigationMenuPresenter.java:519)
at android.support.design.internal.NavigationMenuPresenter$NavigationMenuAdapter.update(NavigationMenuPresenter.java:460)
at android.support.design.internal.NavigationMenuPresenter.updateMenuView(NavigationMenuPresenter.java:117)
at android.support.design.widget.NavigationView.inflateMenu(NavigationView.java:252)
at android.support.design.widget.NavigationView.<init>(NavigationView.java:174)
at android.support.design.widget.NavigationView.<init>(NavigationView.java:100)
at java.lang.reflect.Constructor.constructNative(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:423)
at android.view.LayoutInflater.createView(LayoutInflater.java:594)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:696)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:755)
at android.view.LayoutInflater.inflate(LayoutInflater.java:492)
at android.view.LayoutInflater.inflate(LayoutInflater.java:397)
at android.view.LayoutInflater.inflate(LayoutInflater.java:353)
at android.support.v7.app.AppCompatDelegateImplV9.setContentView(AppCompatDelegateImplV9.java:289)
at android.support.v7.app.AppCompatActivity.setContentView(AppCompatActivity.java:139)
at com.oliviamontoya.letstradezines.Main2Activity.onCreate(Main2Activity.java:54)
at android.app.Activity.performCreate(Activity.java:5287)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1087)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:2145)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:2231)
at android.app.ActivityThread.access$700(ActivityThread.java:139)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:1401)
at android.os.Handler.dispatchMessage(Handler.java:102)
at android.os.Looper.loop(Looper.java:137)
at android.app.ActivityThread.main(ActivityThread.java:5082)
at java.lang.reflect.Method.invokeNative(Native Method)
at java.lang.reflect.Method.invoke(Method.java:515)
at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:782)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:598)
at dalvik.system.NativeStart.main(Native Method)
は、Javaである：ここでは
public class MainActivity extends AppCompatActivity {
ImageView im;
TextView tv;
EditText email;
EditText password;
Button b;
Button b2;
private FirebaseAuth mAuth;
private FirebaseAuth.AuthStateListener mAuthListener;
private static final String TAG = "MainActivity";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
mAuth = FirebaseAuth.getInstance();
mAuthListener = new FirebaseAuth.AuthStateListener() {
@Override
public void onAuthStateChanged(@NonNull FirebaseAuth firebaseAuth) {
FirebaseUser user = firebaseAuth.getCurrentUser();
if (user != null) {
// User is signed in
Log.d(TAG, "onAuthStateChanged:signed_in:" + user.getUid());
} else {
// User is signed out
Log.d(TAG, "onAuthStateChanged:signed_out");
}
// ...
}
};
im = (ImageView) findViewById(R.id.img);
tv = (TextView) findViewById(R.id.txt);
email = (EditText) findViewById(R.id.email);
password = (EditText) findViewById(R.id.password);
b = (Button) findViewById(R.id.button);
b.setBackgroundColor(getResources().getColor(R.color.colorPrimary));
b.setTextColor(Color.WHITE);
b2 = (Button) findViewById(R.id.button2);
b2.setBackgroundColor(getResources().getColor(R.color.colorPrimary));
b2.setTextColor(Color.WHITE);
}
public void logIn(View view) {
mAuth.signInWithEmailAndPassword(email.getText().toString(), password.getText().toString())
.addOnCompleteListener(this, new OnCompleteListener<AuthResult>() {
@Override
public void onComplete(@NonNull Task<AuthResult> task) {
Log.d(TAG, "signInWithEmail:onComplete:" + task.isSuccessful());
if (!task.isSuccessful()) {
Log.w(TAG, "signInWithEmail:failed", task.getException());
Toast.makeText(MainActivity.this, "Authorization failed.",
Toast.LENGTH_SHORT).show();
} else {
Intent intent = new Intent(MainActivity.this, Main2Activity.class);
startActivity(intent);
}
// ...
}
});
}
public void signUp(View view) {
Intent intent = new Intent(this, SignUp.class);
startActivity(intent);
}
}
はXMLです：
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:orientation="vertical"
android:layout_margin="10dp"
android:gravity="center"
tools:context="com.oliviamontoya.letstradezines.MainActivity">
<ScrollView
android:layout_height="match_parent"
android:layout_width="match_parent">
<LinearLayout 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:orientation="vertical"
android:layout_margin="10dp"
android:gravity="center"
tools:context="com.oliviamontoya.letstradezines.MainActivity">
<ImageView
android:id="@+id/img"
android:layout_width="200dp"
android:layout_height="200dp"
android:src="@mipmap/ic_launcher"/>
<TextView
android:id="@+id/txt"
android:layout_width="300dp"
android:layout_height="wrap_content"
android:padding="10dp"
android:textSize="20sp"
android:text="Let's Trade Zines is a social network for the zine community!" />
<EditText
android:id="@+id/email"
android:layout_width="300dp"
android:layout_height="wrap_content"
android:gravity="center"
android:maxLength="30"
android:hint="Email" />
<EditText
android:id="@+id/password"
android:inputType="textPassword"
android:layout_width="300dp"
android:layout_height="wrap_content"
android:gravity="center"
android:ellipsize="start"
android:maxLength="30"
android:hint="Password" />
<GridLayout 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="wrap_content"
android:layout_height="wrap_content"
android:columnCount="2"
android:gravity="center"
tools:context="com.oliviamontoya.letstradezines.MainActivity">
<Button
android:id="@+id/button"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:gravity="center"
android:padding="10dp"
android:layout_margin="10dp"
android:textSize="20sp"
android:onClick="logIn"
android:text="Log In" />
<Button
android:id="@+id/button2"
android:layout_height="wrap_content"
android:layout_width="wrap_content"
android:gravity="center"
android:padding="10dp"
android:layout_margin="10dp"
android:textSize="20sp"
android:onClick="signUp"
android:text="Sign Up!" />
</GridLayout>
</LinearLayout>
</ScrollView>
</LinearLayout>
私がしようとすると、それがクラッシュしている理由、誰が教えてもらえますログイン？
編集：
public class Main2Activity extends AppCompatActivity
implements NavigationView.OnNavigationItemSelectedListener {
ImageView profileImg;
TextView usernameDisplay;
TextView openTrades;
TextView messages;
TextView followedFeed;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);
Toolbar toolbar = (Toolbar) findViewById(R.id.toolbar);
setSupportActionBar(toolbar);
FloatingActionButton fab = (FloatingActionButton) findViewById(R.id.fab);
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();
}
});
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
ActionBarDrawerToggle toggle = new ActionBarDrawerToggle(
this, drawer, toolbar, R.string.navigation_drawer_open, R.string.navigation_drawer_close);
drawer.setDrawerListener(toggle);
toggle.syncState();
NavigationView navigationView = (NavigationView) findViewById(R.id.nav_view);
navigationView.setNavigationItemSelectedListener(this);
profileImg = (ImageView) findViewById(R.id.profileImg);
FirebaseDatabase database = FirebaseDatabase.getInstance();
final FirebaseUser firebaseUser = FirebaseAuth.getInstance().getCurrentUser();
DatabaseReference databaseReference = database.getReference(firebaseUser.getUid());
//DatabaseReference child = databaseReference.child(username.getText().toString());
databaseReference.addValueEventListener(new ValueEventListener() {
@Override
public void onDataChange(DataSnapshot dataSnapshot) {
User user = dataSnapshot.getValue(User.class);
if (user.profilePic.isEmpty()) {
profileImg.setImageResource(R.mipmap.ic_launcher);
} else {
StorageReference mStorageRef = FirebaseStorage.getInstance().getReference();
try {
final File localFile = File.createTempFile("profilePic", "jpg");
StorageReference ref = mStorageRef.child("images/" + firebaseUser.getUid() + "ProfilePic.jpg");
ref.getFile(localFile)
.addOnSuccessListener(new OnSuccessListener<FileDownloadTask.TaskSnapshot>() {
@Override
public void onSuccess(FileDownloadTask.TaskSnapshot taskSnapshot) {
Bitmap bMap = BitmapFactory.decodeFile(localFile.toString());
profileImg.setImageBitmap(bMap);
}
}).addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception exception) {
// Handle failed download
// ...
}
});
} catch(Exception e) {
Toast.makeText(Main2Activity.this, "Error creating file.",
Toast.LENGTH_SHORT).show();
}
}
}
@Override
public void onCancelled(DatabaseError databaseError) {
}
});
usernameDisplay = (TextView) findViewById(R.id.usernameDisplay);
FirebaseUser user = FirebaseAuth.getInstance().getCurrentUser();
if (user != null) {
String name = user.getDisplayName();
usernameDisplay.setText(name);
}
openTrades = (TextView) findViewById(R.id.openTrades);
openTrades.setBackgroundColor(getResources().getColor(R.color.colorPrimary));
openTrades.setTextColor(Color.WHITE);
messages = (TextView) findViewById(R.id.messages);
messages.setBackgroundColor(getResources().getColor(R.color.colorPrimary));
messages.setTextColor(Color.WHITE);
followedFeed = (TextView) findViewById(R.id.followedFeed);
followedFeed.setBackgroundColor(getResources().getColor(R.color.colorPrimary));
followedFeed.setTextColor(Color.WHITE);
}
@Override
public void onBackPressed() {
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
if (drawer.isDrawerOpen(GravityCompat.START)) {
drawer.closeDrawer(GravityCompat.START);
} else {
super.onBackPressed();
}
}
@Override
public boolean onCreateOptionsMenu(Menu menu) {
// Inflate the menu; this adds items to the action bar if it is present.
getMenuInflater().inflate(R.menu.main2, 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_settings) {
return true;
}
return super.onOptionsItemSelected(item);
}
@SuppressWarnings("StatementWithEmptyBody")
@Override
public boolean onNavigationItemSelected(MenuItem item) {
// Handle navigation view item clicks here.
int id = item.getItemId();
if (id == R.id.nav_profile) {
Intent intent = new Intent(this, Profile.class);
startActivity(intent);
} else if (id == R.id.nav_trades) {
} else if (id == R.id.nav_messages) {
Intent intent = new Intent(this, Messages.class);
startActivity(intent);
} else if (id == R.id.nav_followFeed) {
} else if (id == R.id.nav_search) {
Intent intent = new Intent(this, Search.class);
startActivity(intent);
} else if (id == R.id.nav_logOut) {
FirebaseAuth.getInstance().signOut();
finish();
} else if (id == R.id.nav_share) {
} else if (id == R.id.nav_send) {
}
DrawerLayout drawer = (DrawerLayout) findViewById(R.id.drawer_layout);
drawer.closeDrawer(GravityCompat.START);
return true;
}
}
activity_main2.xml：
<?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_main2"
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_main2"
app:menu="@menu/activity_main2_drawer" />
</android.support.v4.widget.DrawerLayout>
content_main2.xml：
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout 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:orientation="vertical"
android:gravity="center"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:context="com.oliviamontoya.letstradezines.Main2Activity"
tools:showIn="@layout/app_bar_main2">
<ScrollView
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout 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:layout_margin="10dp"
android:orientation="vertical"
android:gravity="center"
app:layout_behavior="@string/appbar_scrolling_view_behavior"
tools:context="com.oliviamontoya.letstradezines.Main2Activity"
tools:showIn="@layout/app_bar_main2">
<ImageView
android:id="@+id/profileImg"
android:layout_width="150dp"
android:layout_height="150dp"
android:gravity="center" />
<TextView
android:id="@+id/usernameDisplay"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:textSize="25dp"
android:gravity="center"
android:layout_margin="10dp" />
<TextView
android:id="@+id/openTrades"
android:layout_width="match_parent"
android:layout_height="200dp"
android:padding="10dp"
android:layout_margin="10dp"
android:textSize="20sp"
android:gravity="center"
android:text="This is where open trades will go." />
<TextView
android:id="@+id/messages"
android:layout_width="match_parent"
android:layout_height="200dp"
android:padding="10dp"
android:layout_margin="10dp"
android:textSize="20sp"
android:gravity="center"
android:text="This is where messages will go." />
<TextView
android:id="@+id/followedFeed"
android:layout_width="match_parent"
android:layout_height="200dp"
android:padding="10dp"
android:layout_margin="10dp"
android:textSize="20sp"
android:gravity="center"
android:text="This is where followed feed will go." />
</LinearLayout>
</ScrollView>
</LinearLayout>
app_bar_main2.xmlとmain2.xmlここMain2ActivityのためのJavaとXMLのです私はNavigation Drawer Activityを追加したときに私に与えられたものから編集されていません。 activity_main2_drawer.xmlとnav_header_main2.xmlは、テキストとアイコンの編集で私に与えられたものに近いものですが、ここではそれらをすべて合わせることはできません。
エラーログ –