状況：アクティビティ（画像2）を起動するこのボタン（画像1）があります。
質問: ユーザーが 2 番目の画像の背景 (透明) をクリックすると、最初の画面に戻るようにするにはどうすればよいですか?
ボタン付きのクラス: パッケージ com.projectcaruso.naturalfamilyplaning;
import com.projectcaruso.naturalfamilyplaning.R;
import android.content.Intent;
import android.os.Bundle;
import android.support.v4.app.Fragment;
import android.support.v4.app.FragmentTransaction;
import android.view.LayoutInflater;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.ImageButton;
public class LoginFragment extends Fragment implements OnClickListener{
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) {
View view = inflater.inflate(R.layout.fragment_login, null);
ImageButton connect = (ImageButton) view.findViewById(R.id.facebooklogin);
connect.setOnClickListener(this);
return view;
}
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
// Create new fragment and transaction
Fragment newFragment = new FacebookActivity();
FragmentTransaction transaction = getFragmentManager().beginTransaction();
// Replace whatever is in the fragment_container view with this fragment,
// and add the transaction to the back stack
transaction.replace(R.id.fragment_container, newFragment);
transaction.addToBackStack(null);
// Commit the transaction
transaction.commit();
Intent intent = new Intent();
intent.setClass(getActivity(), FacebookActivity.class);
startActivity(intent);
}
}
DialogFragment : パッケージ com.projectcaruso.naturalfamilyplaning;
import com.projectcaruso.naturalfamilyplaning.R;
import android.app.AlertDialog;
import android.app.Dialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.support.v4.app.DialogFragment;
import android.view.LayoutInflater;
public class FacebookActivity extends DialogFragment {
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
AlertDialog.Builder builder = new AlertDialog.Builder(getActivity());
// Get the layout inflater
LayoutInflater inflater = getActivity().getLayoutInflater();
// Inflate and set the layout for the dialog
// Pass null as the parent view because its going in the dialog layout
builder.setView(inflater.inflate(R.layout.facebook_login, null))
// Add action buttons
.setPositiveButton(R.string.signin, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int id) {
// sign in the user ...
}
})
.setNegativeButton(R.string.cancel, new DialogInterface.OnClickListener() {
public void onClick(DialogInterface dialog, int id) {
FacebookActivity.this.getDialog().cancel();
}
});
return builder.create();
}
}
logcat を編集:
05-17 18:28:21.224: W/dalvikvm(27699): threadid=1: thread exiting with uncaught exception (group=0x40a71930)
05-17 18:28:21.245: E/AndroidRuntime(27699): FATAL EXCEPTION: main
05-17 18:28:21.245: E/AndroidRuntime(27699): java.lang.IllegalArgumentException: No view found for id 0x7f050038 (com.projectcaruso.naturalfamilyplaning:id/fragment_container) for fragment FacebookActivity{40cd27e8 #2 id=0x7f050038}
05-17 18:28:21.245: E/AndroidRuntime(27699): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:903)
05-17 18:28:21.245: E/AndroidRuntime(27699): at android.support.v4.app.FragmentManagerImpl.moveToState(FragmentManager.java:1088)
05-17 18:28:21.245: E/AndroidRuntime(27699): at android.support.v4.app.BackStackRecord.run(BackStackRecord.java:682)
05-17 18:28:21.245: E/AndroidRuntime(27699): at android.support.v4.app.FragmentManagerImpl.execPendingActions(FragmentManager.java:1444)
05-17 18:28:21.245: E/AndroidRuntime(27699): at android.support.v4.app.FragmentManagerImpl$1.run(FragmentManager.java:429)
05-17 18:28:21.245: E/AndroidRuntime(27699): at android.os.Handler.handleCallback(Handler.java:725)
05-17 18:28:21.245: E/AndroidRuntime(27699): at android.os.Handler.dispatchMessage(Handler.java:92)
05-17 18:28:21.245: E/AndroidRuntime(27699): at android.os.Looper.loop(Looper.java:137)
05-17 18:28:21.245: E/AndroidRuntime(27699): at android.app.ActivityThread.main(ActivityThread.java:5041)
05-17 18:28:21.245: E/AndroidRuntime(27699): at java.lang.reflect.Method.invokeNative(Native Method)
05-17 18:28:21.245: E/AndroidRuntime(27699): at java.lang.reflect.Method.invoke(Method.java:511)
05-17 18:28:21.245: E/AndroidRuntime(27699): at com.android.internal.os.ZygoteInit$MethodAndArgsCaller.run(ZygoteInit.java:793)
05-17 18:28:21.245: E/AndroidRuntime(27699): at com.android.internal.os.ZygoteInit.main(ZygoteInit.java:560)
05-17 18:28:21.245: E/AndroidRuntime(27699): at dalvik.system.NativeStart.main(Native Method)
05-17 18:28:23.764: E/Trace(27715): error opening trace file: No such file or directory (2)
XML を編集:
<?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" >
<RelativeLayout
android:id="@+id/fragment_container"
android:layout_width="250dp"
android:layout_height="350dp"
android:layout_gravity="center"
android:background="#3B5998"
android:orientation="vertical">
<!-- Facebook logo -->
<ImageView
android:id="@+id/facebooklogo3"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/lblEmail"
android:layout_alignParentTop="true"
android:layout_alignRight="@+id/txtEmail"
android:layout_marginTop="19dp"
android:src="@drawable/com_facebook_logo" />
<!-- Email inforamtion -->
<TextView
android:id="@+id/lblEmail"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/lblPassword"
android:layout_below="@+id/facebooklogo3"
android:text="Email:"
android:textColor="#ffffff"
android:textSize="20sp" />
<EditText
android:id="@+id/txtEmail"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/lblEmail"
android:layout_alignParentRight="true"
android:layout_below="@+id/lblEmail"
android:layout_marginRight="10dp"
android:background="#fff"
android:ems="10"
android:inputType="textEmailAddress" />
<!-- Passworld informaiton -->
<TextView
android:id="@+id/lblPassword"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_below="@+id/txtEmail"
android:layout_marginLeft="10dp"
android:text="Password:"
android:textColor="#ffffff"
android:textSize="20sp" />
<EditText
android:id="@+id/txtPassword"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/lblPassword"
android:layout_alignParentRight="true"
android:layout_below="@+id/lblPassword"
android:layout_marginRight="10dp"
android:background="#fff"
android:ems="10"
android:inputType="textPassword"
android:padding="2dp"/>
<!-- Save -->
<TextView
android:id="@+id/signup"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignParentBottom="true"
android:layout_alignParentLeft="true"
android:layout_alignParentRight="true"
android:layout_marginBottom="20dp"
android:gravity="center"
android:text="Need an account? \n Sign up using your phone"
android:textAppearance="?android:attr/textAppearanceMedium"
android:textColor="#ffffff" />
<CheckBox
android:id="@+id/savelogin"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_alignLeft="@+id/txtPassword"
android:layout_below="@+id/txtPassword"
android:layout_marginTop="16dp"
android:text="Save Login"
android:textColor="#ffffff"
android:textSize="20sp" />
</RelativeLayout>
</RelativeLayout>
マナフェスト:
<activity android:name=".FacebookActivity" android:theme="@style/Theme.Transparent"/>