当 dialogFragment 被打开并调用 onPause() 时,活动崩溃



我做了一个自定义对话框(扩展DialogFragment),出现在几个活动中。

如果在打开对话框时活动出现在前台,则会出现以下错误:

FATAL EXCEPTION: main
Process: package.name, PID: 11137
java.lang.RuntimeException: Parcelable encountered IOException writing serializable object (name = myFragmentOrActivityWhereOccuredTheError)
...
Caused by: java.io.NotSerializableException: android.support.v7.widget.AppCompatButton

取决于活动或片段,"由"更改,因为问题不存在,是对话片段(不显示对话片段一切正常)

有一个解决方案:在活动进入前台之前调用 dismiss()。但是我必须编写大量代码,因为我必须再次显示它,以防在活动进入前台之前打开对话框,并且由于活动的复杂性,处理它也不容易。

我需要什么:在不关闭对话框的情况下解决问题。我想我的对话片段类有错误。 所以...这是我类的代码:

public class RequestDialog extends DialogFragment {
public static String DIALOG_INTERFACE = "dialogInterface";
public static String REQUIERE_ACTIVACION_MANUAL = "activationMode";
public static String SCHEME = "package";
public interface MyDialogInterface extends Serializable {
void onClickContinuarEvent(int permisoRequerido);
void onClickCancelarEvent(int permisoRequerido);
}
private MyDialogInterface callbackListener;
/**
* dialogInterface - instance of MyDialogInterface which will handle
* callback events
*/
public static RequestDialog getInstance(MyDialogInterface dialogInterface, boolean activationMode) {
RequestDialog fragmentDialog = new RequestDialog();
// set fragment arguments
Bundle args = new Bundle();
args.putSerializable(DIALOG_INTERFACE, dialogInterface);
args.putBoolean(REQUIERE_ACTIVACION_MANUAL, activationMode);
fragmentDialog.setArguments(args);
return fragmentDialog;
}
@Override
public void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
}
@NonNull
@Override
public Dialog onCreateDialog(Bundle savedInstanceState) {
Bundle extras = getArguments();
callbackListener = (MyDialogInterface) extras.getSerializable(DIALOG_INTERFACE);
final boolean activationMode = extras.getBoolean(REQUIERE_ACTIVACION_MANUAL);
View view = View.inflate(getActivity(), R.layout.rationale_dialog, null);
TextView texDetalle = view.findViewById(R.id.texDetalle);
TextView texContinuar = view.findViewById(R.id.texContinuar);
TextView texCancelar = view.findViewById(R.id.texCancelar);
ImageView imgCabecera = view.findViewById(R.id.imgCabecera);

imgCabecera.setBackground(ContextCompat.getDrawable(getActivity(), R.drawable.ic_folder));
Typeface typeFace = Typeface.createFromAsset(getActivity().getAssets(), "fonts/MyFont.ttf");
texDetalle.setTypeface(typeFace);
final AlertDialog.Builder requestDialogBuilder = new AlertDialog.Builder(getActivity(), R.style.NarrowDialog);
requestDialogBuilder.setView(view);
final AlertDialog dialog = requestDialogBuilder.create();
dialog.setContentView(view);
final Window window = dialog.getWindow();
if(window != null){
window.setLayout(WindowManager.LayoutParams.WRAP_CONTENT, WindowManager.LayoutParams.WRAP_CONTENT);
window.setGravity(Gravity.CENTER);
dialog.getWindow().setBackgroundDrawable(new ColorDrawable(android.graphics.Color.TRANSPARENT));
Display display = getActivity().getWindowManager().getDefaultDisplay();
Point size = new Point();
display.getSize(size);
dialog.getWindow().setLayout(size.x*70/100, WindowManager.LayoutParams.WRAP_CONTENT);
texContinuar.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if(activationMode){
goToPreferencesSystem();
callbackListener.onClickCancelarEvent(1);
}
else{
callbackListener.onClickContinuarEvent(0);
}
dialog.dismiss();
}
});
texCancelar.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
callbackListener.onClickCancelarEvent(2);
dialog.dismiss();
}
});
}
setCancelable(false);
return dialog;
}
}

如您所见,在活动中我必须处理两个回调。

所以。。。你有什么想法来解决这个问题吗?

谢谢!

编辑:

在任何活动中,我都必须实现这样的对话框:

MyActivity implements RequestDialog.MyDialogInterface

然后覆盖回调:

@Override
public void onClickContinuarEvent(int request) {
}
@Override
public void onClickCancelarEvent(int permisoRequerido) {}

你真的不应该制作任何可序列化的东西,当片段/活动的生命周期死亡时应亡。对于此解决方案,请删除 getInstance() 上的接口。不应通过片段创建传递接口。您应该为接口创建一个资源库。我没有足够的信息来解决问题,但我相信这可能是解决方案。让我知道它是否有效,以便如果它不起作用,我可以删除。

对话

public class RequestDialog extends DialogFragment {
private MyDialogInterface callbackListener;
public interface MyDialogInterface {
void onClickContinuarEvent(int permisoRequerido);
void onClickCancelarEvent(int permisoRequerido);
}
public void setCallbackListener(MyDialogInterface callbackListener) {
this.callbackListener = callbackListener;
}
public static RequestDialog getInstance( boolean activationMode) {
RequestDialog fragmentDialog = new RequestDialog();
Bundle args = new Bundle();
args.putBoolean(REQUIERE_ACTIVACION_MANUAL, activationMode);
fragmentDialog.setArguments(args);
return fragmentDialog;
}
}

"创建"对话框

RequestDialog requestDialog = RequestDialog.getInstance(true);
requestDialog.setCallbackListener(new RequestDialog.MyDialogInterface() {
@Override
public void onClickContinuarEvent(int permisoRequerido) {
}
@Override
public void onClickCancelarEvent(int permisoRequerido) {
}
});
requestDialog.show(getSupportFragmentManager(), "REQUEST_DIALOG");

最新更新