android.view.InflateException:二进制XML文件第2行
这个错误告诉我它是main方法中的一个致命错误,但我有一个闪屏,它运行得很好,直到它进入main并停止
这是XML
< ?xml version="1.0" encoding="utf-8"? >
<androidx.constraintlayout.widget.ConstraintLayout
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:background="@drawable/fondo"
tools:context="menu.MainActivity">
<Button
android:id="@+id/lisaid"
android:layout_width="225dp"
android:layout_height="63dp"
android:layout_marginStart="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="100dp"
android:background="@drawable/fondoet"
android:onClick="listar"
android:text="@string/listar"
android:textColor="@color/colorPrimaryDark"
app:layout_constraintBottom_toBottomOf="parent"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.588"
app:layout_constraintStart_toStartOf="parent"
tools:text="@string/listar" />
<Button
android:id="@+id/consultar"
android:layout_width="225dp"
android:layout_height="63dp"
android:layout_marginStart="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="32dp"
android:background="@drawable/fondoet"
android:onClick="consulta"
android:text="@string/CONSULTA"
android:textColor="@color/colorPrimaryDark"
app:layout_constraintBottom_toTopOf="@+id/lisaid"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.588"
app:layout_constraintStart_toStartOf="parent"
tools:text="@string/CONSULTA" />
<Button
android:id="@+id/crear"
android:layout_width="225dp"
android:layout_height="63dp"
android:layout_marginStart="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="32dp"
android:background="@drawable/fondoet"
android:onClick="ejecucion"
android:text="@string/CREAR"
android:textColor="@color/colorPrimaryDark"
app:layout_constraintBottom_toTopOf="@+id/consultar"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.588"
app:layout_constraintStart_toStartOf="parent"
tools:text="@string/CREAR" />
<TextView
android:id="@+id/textView9"
android:layout_width="338dp"
android:layout_height="64dp"
android:layout_marginStart="8dp"
android:layout_marginTop="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="8dp"
android:background="@drawable/fondoet"
android:gravity="center"
android:text="@string/BIENVENIDO"
android:textColor="@color/colorPrimaryDark"
android:textColorHighlight="@color/colorPrimary"
android:textSize="36sp"
app:layout_constraintBottom_toTopOf="@+id/textView10"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
tools:text="@string/BIENVENIDO" />
<TextView
android:id="@+id/textView10"
android:layout_width="322dp"
android:layout_height="72dp"
android:layout_marginStart="8dp"
android:layout_marginEnd="8dp"
android:layout_marginBottom="30dp"
android:background="@drawable/fondoet"
android:gravity="center"
android:text="@string/datos"
android:textColor="@color/colorPrimaryDark"
android:textColorHighlight="@color/colorPrimary"
android:textSize="18sp"
app:layout_constraintBottom_toTopOf="@+id/crear"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintHorizontal_bias="0.627"
app:layout_constraintStart_toStartOf="parent"
tools:text="@string/datos" />
这是一个类
public class MainActivity extends AppCompatActivity
{
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
AdminSQLiteOpenHelper conn=new AdminSQLiteOpenHelper(this,"bd_usuarios",null,1);
}
public void ejecucion (View view)
{
Intent miintent= null;
switch(view.getId())
{
case R.id.crear:miintent=new Intent(MainActivity.this,Ejecucion.class);
break;
}
if (miintent!=null)
{
startActivity(miintent);
}
}
public void consulta (View view)
{
Intent miintent= null;
switch(view.getId())
{
case R.id.consultar:miintent=new Intent(MainActivity.this,consulta1.class);
break;
}
if (miintent!=null)
{
startActivity(miintent);
}
}
public void listar (View view)
{
Intent miintent= null;
switch(view.getId())
{
case R.id.lisaid:miintent=new Intent(MainActivity.this, listausuarios.class);
}
if (miintent!=null)
{
startActivity(miintent);
}
}
}
我使用的是SQL数据库,但它工作得很好,我不知道会发生什么。
发布于 2019-05-26 17:08:00
看看您的XML文件,很明显在第2行有一个格式化问题。
更改:
< ?xml version="1.0" encoding="utf-8"? >
至
<?xml version="1.0" encoding="utf-8"?>
并删除第二行中的`。
发布于 2019-05-26 17:45:01
请将前2行更改为
<?xml version="1.0" encoding="utf-8"?>
<androidx.constraintlayout.widget.ConstraintLayout xmlns:android="http://schemas.android.com/apk/res/android"
......
https://stackoverflow.com/questions/56311968
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