请帮助我，我是android studio的新手
LOgcat
com.example.androuber E/AndroidRuntime: FATAL EXCEPTION: main
Process: com.example.androuber, PID: 19270
java.lang.RuntimeException: Unable to start activity ComponentInfo{com.example.androuber/com.example.androuber.Welcome}: android.view.InflateException: Binary XML file line #25: Binary XML file line #25: Error inflating class com.github.glomadrian.materialanimatedswitch.MaterialAnimatedSwitch
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3430)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3614)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:86)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2199)
at android.os.Handler.dispatchMessage(Handler.java:112)
at android.os.Looper.loop(Looper.java:216)
at android.app.ActivityThread.main(ActivityThread.java:7625)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:524)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:987)
Caused by: android.view.InflateException: Binary XML file line #25: Binary XML file line #25: Error inflating class com.github.glomadrian.materialanimatedswitch.MaterialAnimatedSwitch
Caused by: android.view.InflateException: Binary XML file line #25: Error inflating class com.github.glomadrian.materialanimatedswitch.MaterialAnimatedSwitch
Caused by: java.lang.reflect.InvocationTargetException
at java.lang.reflect.Constructor.newInstance0(Native Method)
at java.lang.reflect.Constructor.newInstance(Constructor.java:343)
at android.view.LayoutInflater.createView(LayoutInflater.java:658)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:801)
at android.view.LayoutInflater.createViewFromTag(LayoutInflater.java:741)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:874)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:835)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:877)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:835)
at android.view.LayoutInflater.rInflate(LayoutInflater.java:877)
at android.view.LayoutInflater.rInflateChildren(LayoutInflater.java:835)
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:498)
at com.android.internal.policy.HwPhoneWindow.setContentView(HwPhoneWindow.java:342)
at android.app.Activity.setContentView(Activity.java:2941)
at com.example.androuber.Welcome.onCreate(Welcome.java:78)
at android.app.Activity.performCreate(Activity.java:7458)
at android.app.Activity.performCreate(Activity.java:7448)
at android.app.Instrumentation.callActivityOnCreate(Instrumentation.java:1286)
at android.app.ActivityThread.performLaunchActivity(ActivityThread.java:3409)
at android.app.ActivityThread.handleLaunchActivity(ActivityThread.java:3614)
at android.app.servertransaction.LaunchActivityItem.execute(LaunchActivityItem.java:86)
at android.app.servertransaction.TransactionExecutor.executeCallbacks(TransactionExecutor.java:108)
at android.app.servertransaction.TransactionExecutor.execute(TransactionExecutor.java:68)
at android.app.ActivityThread$H.handleMessage(ActivityThread.java:2199)
at android.os.Handler.dispatchMessage(Handler.java:112)
at android.os.Looper.loop(Looper.java:216)
at android.app.ActivityThread.main(ActivityThread.java:7625)
at java.lang.reflect.Method.invoke(Native Method)
at com.android.internal.os.RuntimeInit$MethodAndArgsCaller.run(RuntimeInit.java:524)
at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:987)
这是Welcome.java.78
setContentView(R.layout.activity_welcome);
activity_welcome
<?xml version="1.0" encoding="utf-8"?>
<fragment 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/map"
android:name="com.google.android.gms.maps.SupportMapFragment"
android:layout_width="match_parent"
android:layout_height="match_parent"
tools:context=".Welcome"
class="com.google.android.gms.maps.SupportMapFragment">
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="match_parent">
<LinearLayout
android:orientation="horizontal"
android:weightSum="10"
android:padding="16dp"
android:layout_width="match_parent"
android:layout_height="wrap_content"
>
<com.github.glomadrian.materialanimatedswitch.MaterialAnimatedSwitch
android:id="@+id/location_switch"
android:layout_width="0dp"
android:layout_weight="3"
android:layout_height="wrap_content"
app:icon_release="@drawable/ic_location_off"
app:icon_press="@drawable/ic_location_on"
app:base_release_color="@color/baseReleaseColor"
app:base_press_color="@color/basePressColor"
app:ball_release_color="@color/ballReleaseColor"
app:ball_press_color="@android:color/white"
/>
</LinearLayout>
</RelativeLayout>
</fragment>
正在创建welcome.java的地方
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_welcome);
// Obtain the SupportMapFragment and get notified when the map is ready to be used.
mapFragment = (SupportMapFragment) getSupportFragmentManager()
.findFragmentById(R.id.map);
mapFragment.getMapAsync(this);
//init view
location_switch = (MaterialAnimatedSwitch) findViewById(R.id.location_switch);
location_switch.setOnCheckedChangeListener(new MaterialAnimatedSwitch.OnCheckedChangeListener() {
@Override
public void onCheckedChanged(boolean isOnline) {
if (isOnline){
startLocationUpdate();
displayLocation();
Snackbar.make(mapFragment.getView(),"You Are Online",Snackbar.LENGTH_SHORT)
.show();
}
else {
stopLocationUpdates();
mCurrent.remove();
Snackbar.make(mapFragment.getView(),"You Are Offline",Snackbar.LENGTH_SHORT)
.show();
}
}
});
drivers = FirebaseDatabase.getInstance().getReference("Drivers");
geoFire = new GeoFire(drivers);
setUpLocation();
}
Pl
主要活动登录块
private void showLoginDialog() {
AlertDialog.Builder dialog = new AlertDialog.Builder(this);
dialog.setTitle("SIGN IN");
dialog.setMessage("Please Use Email To sign in");
LayoutInflater inflater = LayoutInflater.from(this);
View login_layout = inflater.inflate(R.layout.layout_login,null);
final MaterialEditText edtEmail = (MaterialEditText) login_layout.findViewById(R.id.edtEmail);
final MaterialEditText edtPassword = (MaterialEditText) login_layout.findViewById(R.id.edtPassword);
dialog.setView(login_layout);
// set Button
dialog.setPositiveButton("SIGN IN", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
//set disable button sign in if in processing
btnSignUP.setEnabled(false);
//check validation
if (TextUtils.isEmpty(edtEmail.getText().toString())) {
Snackbar.make(rootLayout, "Please Enter Email Address", Snackbar.LENGTH_SHORT)
.show();
return;
}
if (TextUtils.isEmpty(edtPassword.getText().toString())) {
Snackbar.make(rootLayout, "Please Enter Password", Snackbar.LENGTH_SHORT)
.show();
return;
}
if (edtPassword.getText().toString().length() < 6) {
Snackbar.make(rootLayout, "Password too short!!!", Snackbar.LENGTH_SHORT)
.show();
return;
}
final android.app.AlertDialog waitingDialog = new SpotsDialog.Builder().setContext(MainActivity.this).build();
waitingDialog.show();
//login
auth.signInWithEmailAndPassword(edtEmail.getText().toString(),edtPassword.getText().toString())
.addOnSuccessListener(new OnSuccessListener<AuthResult>() {
@Override
public void onSuccess(AuthResult authResult) {
waitingDialog.dismiss();
startActivity(new Intent(MainActivity.this,Welcome.class));
finish();
}
}) .addOnFailureListener(new OnFailureListener() {
@Override
public void onFailure(@NonNull Exception e) {
waitingDialog.dismiss();
Snackbar.make(rootLayout,"Failed "+e.getMessage(),Snackbar.LENGTH_SHORT)
.show();
//Activate Sign up Button
btnSignUP.setEnabled(true);
}
});
}
});
dialog.setNegativeButton("CANCEL", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
dialog.dismiss();
}
});
dialog.show();
}