我尝试使用 ImageView
、2 xTextView
、3 xRadioButton
创建自定义 Dialog
s 和 2xButton
s。当然,我无法将其作为常规 Dialog
(因为使用了各种 View
),所以我决定创建自定义 layout
和一个 Class
来负责所有设置。一切似乎都很好,直到我构建它。
对话框仅显示 ImageView
和第一个 TextView
,但其他 View
均已消失。
应如下所示:
那是我的代码 - 布局:
<?xml version="1.0" encoding="utf-8"?>
<android.support.constraint.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="@color/dark_site_gray">
<Button
android:id="@+id/button4"
android:layout_width="172dp"
android:layout_height="wrap_content"
android:layout_marginEnd="8dp"
android:layout_marginStart="8dp"
android:layout_marginTop="12dp"
android:background="@color/igloo_theme_color"
android:text="OK"
android:textColor="@color/mdtp_white"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toEndOf="@+id/button"
app:layout_constraintTop_toBottomOf="@+id/radioButton4" />
<ImageView
android:id="@+id/imageView2"
android:layout_width="70dp"
android:layout_height="70dp"
android:layout_marginTop="16dp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toTopOf="parent"
app:srcCompat="@color/burgrundy" />
<TextView
android:id="@+id/textView"
android:layout_width="327dp"
android:layout_height="wrap_content"
android:layout_marginEnd="16dp"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:gravity="center_horizontal"
android:text="TextView"
android:textColor="@color/mdtp_white"
android:textSize="24sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/imageView2" />
<TextView
android:id="@+id/textView2"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:layout_marginEnd="16dp"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:gravity="center_horizontal"
android:text="TextView"
android:textColor="@color/mdtp_white"
android:textSize="18sp"
app:layout_constraintEnd_toEndOf="parent"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textView" />
<RadioButton
android:id="@+id/radioButton"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="24dp"
android:buttonTint="@color/mdtp_white"
android:text="Akceptuj"
android:textColor="@color/mdtp_white"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/textView2" />
<RadioButton
android:id="@+id/radioButton2"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:buttonTint="@color/mdtp_white"
android:text="Odrzuć"
android:textColor="@color/mdtp_white"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/radioButton" />
<RadioButton
android:id="@+id/radioButton4"
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginStart="16dp"
android:layout_marginTop="8dp"
android:buttonTint="@color/mdtp_white"
android:text="Przekaż dalej"
android:textColor="@color/mdtp_white"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/radioButton2" />
<Button
android:id="@+id/button"
android:layout_width="172dp"
android:layout_height="wrap_content"
android:layout_marginStart="8dp"
android:layout_marginTop="12dp"
android:background="@color/igloo_theme_color"
android:text="Anuluj"
android:textColor="@color/mdtp_white"
app:layout_constraintStart_toStartOf="parent"
app:layout_constraintTop_toBottomOf="@+id/radioButton4" />
</android.support.constraint.ConstraintLayout>
类:
public class DialogCreator extends Dialog {
public DialogCreator(@NonNull Context context) {
super(context);
}
public void showSwitchDialog(Context context, String taskID, boolean isCoordinator, View.OnClickListener posButtonClickListener){
final Dialog dialog = new Dialog(context);
dialog.requestWindowFeature(Window.FEATURE_NO_TITLE);
dialog.setCancelable(false);
dialog.setContentView(R.layout.dialog_switch_service);
TextView task = dialog.findViewById(R.id.textView);
TextView chooseOptionText = dialog.findViewById(R.id.textView2);
Button cancelButton = dialog.findViewById(R.id.button);
Button okButton = dialog.findViewById(R.id.button4);
RadioButton redirect = dialog.findViewById(R.id.radioButton4);
if(!isCoordinator) redirect.setVisibility(View.GONE);
okButton.setOnClickListener(posButtonClickListener);
task.setText("ID: " + taskID);
chooseOptionText.setText("Choose option:");
cancelButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
}
});
dialog.show();
}
}
方法调用(对话展示):
DialogCreator dc = new DialogCreator(MainScreenActivity.this);
dc.showSwitchDialog(MainScreenActivity.this, "000000", true, new View.OnClickListener() {
@Override
public void onClick(View v) {
RadioButton radioAccept = v.findViewById(R.id.radioButton);
RadioButton radioDecline = v.findViewById(R.id.radioButton2);
RadioButton radioRedirect = v.findViewById(R.id.radioButton4);
if(radioAccept.isChecked()){
Toast.makeText(MainScreenActivity.this, "Accept", Toast.LENGTH_SHORT).show();
}
if(radioDecline.isChecked()){
Toast.makeText(MainScreenActivity.this, "Decline", Toast.LENGTH_SHORT).show();
}
if(radioRedirect.getVisibility() != View.GONE){
if (radioRedirect.isChecked()){
Toast.makeText(MainScreenActivity.this, "Redirect", Toast.LENGTH_SHORT).show();
}
}
}
});
一切似乎都很好(以我的拙见),但我不知道是否有什么错误或遗漏,或者我不能这样使用 Dialog
。如果这是正确的方法,那对我来说会很棒,因为我可以用我的自定义版本替换我之前使用过的所有 Dialog
,这会使应用程序更好、更清晰。
最佳答案
你可以为此使用 DialogFragment
。
DialogCreator.java
public class DialogCreator extends DialogFragment {
private static final String TASK_ID_KEY = "taskID";
private static final String COORDINATOR_KEY = "isCoordinator";
@Override
public void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setCancelable(false);
setStyle(DialogFragment.STYLE_NORMAL, R.style.FullScreenDialogStyle);
}
public static DialogCreator newInstance(String taskID, boolean isCoordinator) {
DialogCreator creator = new DialogCreator();
Bundle bundle = new Bundle();
bundle.putString(TASK_ID_KEY, taskID);
bundle.putBoolean(COORDINATOR_KEY, isCoordinator);
creator.setArguments(bundle);
return creator;
}
@Nullable
@Override
public View onCreateView(@NonNull LayoutInflater inflater, @Nullable ViewGroup container, @Nullable Bundle savedInstanceState) {
return inflater.inflate(R.layout.dialog, container, false);
}
@Override
public void onViewCreated(@NonNull View view, @Nullable Bundle savedInstanceState) {
super.onViewCreated(view, savedInstanceState);
TextView task = view.findViewById(R.id.textView);
TextView chooseOptionText = view.findViewById(R.id.textView2);
Button cancelButton = view.findViewById(R.id.button);
Button okButton = view.findViewById(R.id.button4);
final RadioButton radioAccept = view.findViewById(R.id.radioButton);
final RadioButton radioDecline = view.findViewById(R.id.radioButton2);
final RadioButton redirect = view.findViewById(R.id.radioButton4);
Bundle bundle = getArguments();
if (bundle == null) return;
if (!bundle.containsKey(TASK_ID_KEY) || !bundle.containsKey(COORDINATOR_KEY)) return;
boolean isCoordinator = bundle.getBoolean(COORDINATOR_KEY);
String taskID = bundle.getString(TASK_ID_KEY);
if (!isCoordinator) redirect.setVisibility(View.GONE);
task.setText("ID: " + taskID);
chooseOptionText.setText("Choose option:");
cancelButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dismiss();
}
});
okButton.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
if (radioAccept.isChecked()) {
Toast.makeText(requireContext(), "Accept", Toast.LENGTH_SHORT).show();
}
if (radioDecline.isChecked()) {
Toast.makeText(requireContext(), "Decline", Toast.LENGTH_SHORT).show();
}
if (redirect.getVisibility() != View.GONE) {
if (redirect.isChecked()) {
Toast.makeText(requireContext(), "Redirect", Toast.LENGTH_SHORT).show();
}
}
}
});
}
@NonNull
@Override
public Dialog onCreateDialog(@Nullable Bundle savedInstanceState) {
Dialog dialog = super.onCreateDialog(savedInstanceState);
if (dialog.getWindow() != null) {
dialog.getWindow().setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.MATCH_PARENT);
}
return dialog;
}
}
styles.xml 中的 FullScreenDialogStyle
<style name="FullScreenDialogStyle" parent="Theme.AppCompat.Dialog">
<item name="android:windowNoTitle">true</item>
<item name="android:windowFullscreen">false</item>
<item name="android:windowIsFloating">false</item>
<item name="android:windowBackground">@android:color/white</item>
</style>
在您的 Activity 中:
DialogCreator.newInstance("taskID",true).show(getSupportFragmentManager(),"TAG")
关于android - 自定义对话框中的消失字段,我们在Stack Overflow上找到一个类似的问题: https://stackoverflow.com/questions/55099815/