TnSb/android-calculatorpp
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serso 2012-09-25 17:50:38 +04:00
parent 009f536772
commit 726ef0795c
1 changed files with 24 additions and 21 deletions
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45
calculatorpp/src/main/java/org/solovyev/android/calculator/CalculatorActivity.java
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@ -5,16 +5,12 @@
package org.solovyev.android.calculator;
import android.app.Activity;
import android.app.AlertDialog;
import android.app.FragmentManager;
import android.app.FragmentTransaction;
import android.app.*;
import android.content.Context;
import android.content.SharedPreferences;
import android.content.pm.ActivityInfo;
import android.os.Bundle;
import android.preference.PreferenceManager;
import android.support.v4.app.Fragment;
import android.text.Html;
import android.text.method.LinkMovementMethod;
import android.util.Log;
@ -77,22 +73,9 @@ public class CalculatorActivity extends Activity implements FontSizeAdjuster, Sh
CalculatorKeyboardFragment.fixThemeParameters(true, theme, this.getWindow().getDecorView());
final FragmentManager fragmentManager = getFragmentManager();
FragmentTransaction fragmentTransaction = fragmentManager.beginTransaction();
final CalculatorEditorFragment editorFragment = new CalculatorEditorFragment();
fragmentTransaction.add(R.id.editorContainer, editorFragment, "editor");
fragmentTransaction.commit();
fragmentTransaction = fragmentManager.beginTransaction();
final CalculatorDisplayFragment displayFragment = new CalculatorDisplayFragment();
fragmentTransaction.add(R.id.displayContainer, displayFragment, "display");
fragmentTransaction.commit();
fragmentTransaction = fragmentManager.beginTransaction();
final CalculatorKeyboardFragment keyboardFragment = new CalculatorKeyboardFragment();
fragmentTransaction.add(R.id.keyboardContainer, keyboardFragment, "keyboard");
fragmentTransaction.commit();
createFragment(CalculatorEditorFragment.class, R.id.editorContainer, "tag");
createFragment(CalculatorDisplayFragment.class, R.id.displayContainer, "display");
createFragment(CalculatorKeyboardFragment.class, R.id.keyboardContainer, "keyboard");
if (customTitleSupported) {
try {
@ -122,6 +105,26 @@ public class CalculatorActivity extends Activity implements FontSizeAdjuster, Sh
preferences.registerOnSharedPreferenceChangeListener(this);
}
private void createFragment(@NotNull Class<? extends Fragment> fragmentClass, int parentViewId, @NotNull String tag) {
final FragmentManager fm = getFragmentManager();
Fragment messagesFragment = fm.findFragmentByTag(tag);
final FragmentTransaction ft = fm.beginTransaction();
try {
if (messagesFragment == null) {
messagesFragment = Fragment.instantiate(this, fragmentClass.getName(), null);
ft.add(parentViewId, messagesFragment, tag);
} else {
if (messagesFragment.isDetached()) {
ft.attach(messagesFragment);
}
}
} finally {
ft.commit();
}
}
@NotNull
private AndroidCalculatorEngine getEngine() {
return ((AndroidCalculatorEngine) CalculatorLocatorImpl.getInstance().getEngine());