Display/Editor views should not be cleared by closing activity if new activity has already been started

This commit is contained in:
serso 2015-06-16 13:36:49 +02:00
parent 127f27810e
commit 70a5e7e2e5
7 changed files with 41 additions and 36 deletions

View File

@ -22,7 +22,6 @@
package org.solovyev.android.calculator; package org.solovyev.android.calculator;
import android.app.Activity;
import android.app.Application; import android.app.Application;
import android.content.SharedPreferences; import android.content.SharedPreferences;
import android.preference.PreferenceManager; import android.preference.PreferenceManager;
@ -60,27 +59,6 @@ public class AndroidCalculator implements Calculator, CalculatorEventListener, S
PreferenceManager.getDefaultSharedPreferences(application).registerOnSharedPreferenceChangeListener(this); PreferenceManager.getDefaultSharedPreferences(application).registerOnSharedPreferenceChangeListener(this);
} }
public void setDisplay(@Nonnull Activity activity) {
final AndroidCalculatorDisplayView displayView = (AndroidCalculatorDisplayView) activity.findViewById(R.id.calculator_display);
displayView.init(activity);
Locator.getInstance().getDisplay().setView(displayView);
}
public void clearDisplay() {
Locator.getInstance().getDisplay().setView(null);
}
public void setEditor(@Nonnull Activity activity) {
final AndroidCalculatorEditorView editorView = (AndroidCalculatorEditorView) activity.findViewById(R.id.calculator_editor);
editorView.init();
Locator.getInstance().getEditor().setView(editorView);
}
public void clearEditor() {
Locator.getInstance().getEditor().setView(null);
}
/* /*
********************************************************************** **********************************************************************
* *

View File

@ -42,6 +42,8 @@ public class CalculatorDisplayFragment extends Fragment {
@Nonnull @Nonnull
private FragmentUi fragmentHelper; private FragmentUi fragmentHelper;
@Nonnull
private AndroidCalculatorDisplayView displayView;
@Override @Override
public void onCreate(Bundle savedInstanceState) { public void onCreate(Bundle savedInstanceState) {
@ -67,7 +69,9 @@ public class CalculatorDisplayFragment extends Fragment {
public void onViewCreated(View root, Bundle savedInstanceState) { public void onViewCreated(View root, Bundle savedInstanceState) {
super.onViewCreated(root, savedInstanceState); super.onViewCreated(root, savedInstanceState);
((AndroidCalculator) Locator.getInstance().getCalculator()).setDisplay(getActivity()); displayView = (AndroidCalculatorDisplayView) root.findViewById(R.id.calculator_display);
displayView.init(getActivity());
Locator.getInstance().getDisplay().setView(displayView);
fragmentHelper.onViewCreated(this, root); fragmentHelper.onViewCreated(this, root);
} }
@ -93,7 +97,7 @@ public class CalculatorDisplayFragment extends Fragment {
@Override @Override
public void onDestroyView() { public void onDestroyView() {
((AndroidCalculator) Locator.getInstance().getCalculator()).clearDisplay(); Locator.getInstance().getDisplay().clearView(displayView);
super.onDestroyView(); super.onDestroyView();
} }

View File

@ -47,6 +47,9 @@ public class CalculatorEditorFragment extends Fragment {
@Nonnull @Nonnull
private ActivityMenu<Menu, MenuItem> menu = ListActivityMenu.fromEnum(CalculatorMenu.class, AndroidMenuHelper.getInstance()); private ActivityMenu<Menu, MenuItem> menu = ListActivityMenu.fromEnum(CalculatorMenu.class, AndroidMenuHelper.getInstance());
@Nonnull
private AndroidCalculatorEditorView editorView;
public CalculatorEditorFragment() { public CalculatorEditorFragment() {
} }
@ -56,7 +59,9 @@ public class CalculatorEditorFragment extends Fragment {
fragmentUi.onViewCreated(this, view); fragmentUi.onViewCreated(this, view);
((AndroidCalculator) Locator.getInstance().getCalculator()).setEditor(getActivity()); editorView = (AndroidCalculatorEditorView) view.findViewById(R.id.calculator_editor);
editorView.init();
Locator.getInstance().getEditor().setView(editorView);
} }
@Override @Override
@ -99,7 +104,7 @@ public class CalculatorEditorFragment extends Fragment {
@Override @Override
public void onDestroyView() { public void onDestroyView() {
((AndroidCalculator) Locator.getInstance().getCalculator()).clearEditor(); Locator.getInstance().getEditor().clearView(editorView);
super.onDestroyView(); super.onDestroyView();
} }

View File

@ -32,7 +32,8 @@ import javax.annotation.Nullable;
*/ */
public interface CalculatorDisplay extends CalculatorEventListener { public interface CalculatorDisplay extends CalculatorEventListener {
void setView(@Nullable CalculatorDisplayView view); void setView(@Nonnull CalculatorDisplayView view);
void clearView(@Nonnull CalculatorDisplayView view);
@Nullable @Nullable
CalculatorDisplayView getView(); CalculatorDisplayView getView();

View File

@ -25,7 +25,12 @@ package org.solovyev.android.calculator;
import javax.annotation.Nonnull; import javax.annotation.Nonnull;
import javax.annotation.Nullable; import javax.annotation.Nullable;
import static org.solovyev.android.calculator.CalculatorEventType.*; import static org.solovyev.android.calculator.CalculatorEventType.calculation_cancelled;
import static org.solovyev.android.calculator.CalculatorEventType.calculation_failed;
import static org.solovyev.android.calculator.CalculatorEventType.calculation_result;
import static org.solovyev.android.calculator.CalculatorEventType.conversion_failed;
import static org.solovyev.android.calculator.CalculatorEventType.conversion_result;
import static org.solovyev.android.calculator.CalculatorEventType.display_state_changed;
/** /**
* User: serso * User: serso
@ -56,12 +61,18 @@ public class CalculatorDisplayImpl implements CalculatorDisplay {
} }
@Override @Override
public void setView(@Nullable CalculatorDisplayView view) { public void setView(@Nonnull CalculatorDisplayView view) {
synchronized (viewLock) { synchronized (viewLock) {
this.view = view; this.view = view;
this.view.setState(viewState);
}
}
if (view != null) { @Override
this.view.setState(viewState); public void clearView(@Nonnull CalculatorDisplayView view) {
synchronized (viewLock) {
if (this.view == view) {
this.view = null;
} }
} }
} }

View File

@ -25,7 +25,6 @@ package org.solovyev.android.calculator;
import org.solovyev.common.gui.CursorControl; import org.solovyev.common.gui.CursorControl;
import javax.annotation.Nonnull; import javax.annotation.Nonnull;
import javax.annotation.Nullable;
/** /**
* User: Solovyev_S * User: Solovyev_S
@ -37,7 +36,8 @@ public interface CalculatorEditor extends CalculatorEventListener {
@Nonnull @Nonnull
String TAG = CalculatorEditor.class.getSimpleName(); String TAG = CalculatorEditor.class.getSimpleName();
void setView(@Nullable CalculatorEditorView view); void setView(@Nonnull CalculatorEditorView view);
void clearView(@Nonnull CalculatorEditorView view);
@Nonnull @Nonnull
CalculatorEditorViewState getViewState(); CalculatorEditorViewState getViewState();

View File

@ -73,12 +73,18 @@ public class CalculatorEditorImpl implements CalculatorEditor {
} }
@Override @Override
public void setView(@Nullable CalculatorEditorView view) { public void setView(@Nonnull CalculatorEditorView view) {
synchronized (viewLock) { synchronized (viewLock) {
this.view = view; this.view = view;
this.view.setState(lastViewState);
}
}
if (view != null) { @Override
view.setState(lastViewState); public void clearView(@Nonnull CalculatorEditorView view) {
synchronized (viewLock) {
if (this.view == view) {
this.view = null;
} }
} }
} }