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

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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
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22
android-app/src/main/java/org/solovyev/android/calculator/AndroidCalculator.java
View File

@ -22,7 +22,6 @@
package org.solovyev.android.calculator;
import android.app.Activity;
import android.app.Application;
import android.content.SharedPreferences;
import android.preference.PreferenceManager;
@ -60,27 +59,6 @@ public class AndroidCalculator implements Calculator, CalculatorEventListener, S
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);
}
/*
**********************************************************************
*

8
android-app/src/main/java/org/solovyev/android/calculator/CalculatorDisplayFragment.java
View File

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

9
android-app/src/main/java/org/solovyev/android/calculator/CalculatorEditorFragment.java
View File

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

3
core/src/main/java/org/solovyev/android/calculator/CalculatorDisplay.java
View File

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

19
core/src/main/java/org/solovyev/android/calculator/CalculatorDisplayImpl.java
View File

@ -25,7 +25,12 @@ package org.solovyev.android.calculator;
import javax.annotation.Nonnull;
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
@ -56,14 +61,20 @@ public class CalculatorDisplayImpl implements CalculatorDisplay {
}
@Override
public void setView(@Nullable CalculatorDisplayView view) {
public void setView(@Nonnull CalculatorDisplayView view) {
synchronized (viewLock) {
this.view = view;
if (view != null) {
this.view.setState(viewState);
}
}
@Override
public void clearView(@Nonnull CalculatorDisplayView view) {
synchronized (viewLock) {
if (this.view == view) {
this.view = null;
}
}
}
@Nullable

4
core/src/main/java/org/solovyev/android/calculator/CalculatorEditor.java
View File

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

12
core/src/main/java/org/solovyev/android/calculator/CalculatorEditorImpl.java
View File

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