samples/HoneycombGallery/src/com/example/android/hcgallery/MainActivity.java - fp2-dev/platform/development - Gitiles

 /*
  * Copyright (C) 2011 The Android Open Source Project
  *
  * Licensed under the Apache License, Version 2.0 (the "License");
  * you may not use this file except in compliance with the License.
  * You may obtain a copy of the License at
  *
  *      http://www.apache.org/licenses/LICENSE-2.0
  *
  * Unless required by applicable law or agreed to in writing, software
  * distributed under the License is distributed on an "AS IS" BASIS,
  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  * See the License for the specific language governing permissions and
  * limitations under the License.
  */

 package com.example.android.hcgallery;

 import android.animation.Animator;
 import android.animation.AnimatorListenerAdapter;
 import android.animation.ObjectAnimator;
 import android.animation.PropertyValuesHolder;
 import android.animation.ValueAnimator;
 import android.app.ActionBar;
 import android.app.Activity;
 import android.app.AlertDialog;
 import android.app.Dialog;
 import android.app.DialogFragment;
 import android.app.FragmentManager;
 import android.app.FragmentTransaction;
 import android.app.Notification;
 import android.app.NotificationManager;
 import android.app.PendingIntent;
 import android.content.DialogInterface;
 import android.content.Intent;
 import android.content.res.Configuration;
 import android.content.res.Resources;
 import android.graphics.Bitmap;
 import android.graphics.BitmapFactory;
 import android.os.Bundle;
 import android.view.Menu;
 import android.view.MenuInflater;
 import android.view.MenuItem;
 import android.view.View;
 import android.view.ViewGroup;
 import android.view.Window;
 import android.widget.RemoteViews;

 public class MainActivity extends Activity implements ActionBar.TabListener {

     private static final int NOTIFICATION_DEFAULT = 1;
     private static final String ACTION_DIALOG = "com.example.android.hcgallery.action.DIALOG";

     private View mActionBarView;
     private Animator mCurrentTitlesAnimator;
     private String[] mToggleLabels = {"Show Titles", "Hide Titles"};
     private int mLabelIndex = 1;
     private int mThemeId = -1;

     @Override
     public void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);

         if(savedInstanceState != null && savedInstanceState.getInt("theme", -1) != -1) {
             mThemeId = savedInstanceState.getInt("theme");
             this.setTheme(mThemeId);
         }

         setContentView(R.layout.main);

         Directory.initializeDirectory();

         ActionBar bar = getActionBar();

         int i;
         for (i = 0; i < Directory.getCategoryCount(); i++) {
             bar.addTab(bar.newTab().setText(Directory.getCategory(i).getName())
                     .setTabListener(this));
         }

         mActionBarView = getLayoutInflater().inflate(
                 R.layout.action_bar_custom, null);

         bar.setCustomView(mActionBarView);
         bar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM | ActionBar.DISPLAY_USE_LOGO);
         bar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
         bar.setDisplayShowHomeEnabled(true);

         // If category is not saved to the savedInstanceState,
         // 0 is returned by default.
         if(savedInstanceState != null) {
             int category = savedInstanceState.getInt("category");
             bar.selectTab(bar.getTabAt(category));
         }
     }

     public void onTabSelected(ActionBar.Tab tab, FragmentTransaction ft) {
         TitlesFragment titleFrag = (TitlesFragment) getFragmentManager()
                 .findFragmentById(R.id.frag_title);
         titleFrag.populateTitles(tab.getPosition());

         titleFrag.selectPosition(0);
     }

     public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction ft) {
     }

     public void onTabReselected(ActionBar.Tab tab, FragmentTransaction ft) {
     }

     @Override
     public boolean onCreateOptionsMenu(Menu menu) {
         MenuInflater inflater = getMenuInflater();
         inflater.inflate(R.menu.main_menu, menu);
         return true;
     }

     @Override
     public boolean onOptionsItemSelected(MenuItem item) {
         switch (item.getItemId()) {
         case R.id.camera:
             Intent intent = new Intent(this, CameraSample.class);
             intent.putExtra("theme", mThemeId);
             startActivity(intent);
             return true;

         case R.id.toggleTitles:
             toggleVisibleTitles();
             return true;

         case R.id.toggleTheme:
             if (mThemeId == R.style.AppTheme_Dark) {
                 mThemeId = R.style.AppTheme_Light;
             } else {
                 mThemeId = R.style.AppTheme_Dark;
             }
             this.recreate();
             return true;

         case R.id.showDialog:
             showDialog("This is indeed an awesome dialog.");
             return true;

         case R.id.showStandardNotification:
             showNotification(false);
             return true;

         case R.id.showCustomNotification:
             showNotification(true);
             return true;

         default:
             return super.onOptionsItemSelected(item);
         }
     }

     public void toggleVisibleTitles() {
         // Use these for custom animations.
         final FragmentManager fm = getFragmentManager();
         final TitlesFragment f = (TitlesFragment) fm
                 .findFragmentById(R.id.frag_title);
         final View titlesView = f.getView();
         mLabelIndex = 1 - mLabelIndex;

         // Determine if we're in portrait, and whether we're showing or hiding the titles
         // with this toggle.
         final boolean isPortrait = getResources().getConfiguration().orientation ==
                 Configuration.ORIENTATION_PORTRAIT;

         final boolean shouldShow = f.isHidden() || mCurrentTitlesAnimator != null;

         // Cancel the current titles animation if there is one.
         if (mCurrentTitlesAnimator != null)
             mCurrentTitlesAnimator.cancel();

         // Begin setting up the object animator. We'll animate the bottom or right edge of the
         // titles view, as well as its alpha for a fade effect.
         ObjectAnimator objectAnimator = ObjectAnimator.ofPropertyValuesHolder(
                 titlesView,
                 PropertyValuesHolder.ofInt(
                         isPortrait ? "bottom" : "right",
                         shouldShow ? getResources().getDimensionPixelSize(R.dimen.titles_size)
                                    : 0),
                 PropertyValuesHolder.ofFloat("alpha", shouldShow ? 1 : 0)
         );

         // At each step of the animation, we'll perform layout by calling setLayoutParams.
         final ViewGroup.LayoutParams lp = titlesView.getLayoutParams();
         objectAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
             public void onAnimationUpdate(ValueAnimator valueAnimator) {
                 // *** WARNING ***: triggering layout at each animation frame highly impacts
                 // performance so you should only do this for simple layouts. More complicated
                 // layouts can be better served with individual animations on child views to
                 // avoid the performance penalty of layout.
                 if (isPortrait) {
                     lp.height = (Integer) valueAnimator.getAnimatedValue();
                 } else {
                     lp.width = (Integer) valueAnimator.getAnimatedValue();
                 }
                 titlesView.setLayoutParams(lp);
             }
         });

         if (shouldShow) {
             fm.beginTransaction().show(f).commit();
             objectAnimator.addListener(new AnimatorListenerAdapter() {
                 @Override
                 public void onAnimationEnd(Animator animator) {
                     mCurrentTitlesAnimator = null;
                 }
             });

         } else {
             objectAnimator.addListener(new AnimatorListenerAdapter() {
                 boolean canceled;

                 @Override
                 public void onAnimationCancel(Animator animation) {
                     canceled = true;
                     super.onAnimationCancel(animation);
                 }

                 @Override
                 public void onAnimationEnd(Animator animator) {
                     if (canceled)
                         return;
                     mCurrentTitlesAnimator = null;
                     fm.beginTransaction().hide(f).commit();
                 }
             });
         }

         // Start the animation.
         objectAnimator.start();
         mCurrentTitlesAnimator = objectAnimator;

         invalidateOptionsMenu();

         // Manually trigger onNewIntent to check for ACTION_DIALOG.
         onNewIntent(getIntent());
     }

     @Override
     protected void onNewIntent(Intent intent) {
         if (ACTION_DIALOG.equals(intent.getAction())) {
             showDialog(intent.getStringExtra(Intent.EXTRA_TEXT));
         }
     }

     void showDialog(String text) {
         // DialogFragment.show() will take care of adding the fragment
         // in a transaction.  We also want to remove any currently showing
         // dialog, so make our own transaction and take care of that here.
         FragmentTransaction ft = getFragmentManager().beginTransaction();

         DialogFragment newFragment = MyDialogFragment.newInstance(text);

         // Show the dialog.
         newFragment.show(ft, "dialog");
     }

     void showNotification(boolean custom) {
         final Resources res = getResources();
         final NotificationManager notificationManager = (NotificationManager) getSystemService(
                 NOTIFICATION_SERVICE);

         Notification.Builder builder = new Notification.Builder(this)
                 .setSmallIcon(R.drawable.ic_stat_notify_example)
                 .setAutoCancel(true)
                 .setTicker(getString(R.string.notification_text))
                 .setContentIntent(getDialogPendingIntent("Tapped the notification entry."));

         if (custom) {
             // Sets a custom content view for the notification, including an image button.
             RemoteViews layout = new RemoteViews(getPackageName(), R.layout.notification);
             layout.setTextViewText(R.id.notification_title, getString(R.string.app_name));
             layout.setOnClickPendingIntent(R.id.notification_button,
                     getDialogPendingIntent("Tapped the 'dialog' button in the notification."));
             builder.setContent(layout);

             // Notifications in Android 3.0 now have a standard mechanism for displaying large
             // bitmaps such as contact avatars. Here, we load an example image and resize it to the
             // appropriate size for large bitmaps in notifications.
             Bitmap largeIconTemp = BitmapFactory.decodeResource(res,
                     R.drawable.notification_default_largeicon);
             Bitmap largeIcon = Bitmap.createScaledBitmap(
                     largeIconTemp,
                     res.getDimensionPixelSize(android.R.dimen.notification_large_icon_width),
                     res.getDimensionPixelSize(android.R.dimen.notification_large_icon_height),
                     false);
             largeIconTemp.recycle();

             builder.setLargeIcon(largeIcon);

         } else {
             builder
                     .setNumber(7) // An example number.
                     .setContentTitle(getString(R.string.app_name))
                     .setContentText(getString(R.string.notification_text));
         }

         notificationManager.notify(NOTIFICATION_DEFAULT, builder.getNotification());
     }

     PendingIntent getDialogPendingIntent(String dialogText) {
         return PendingIntent.getActivity(
                 this,
                 dialogText.hashCode(), // Otherwise previous PendingIntents with the same
                                        // requestCode may be overwritten.
                 new Intent(ACTION_DIALOG)
                         .putExtra(Intent.EXTRA_TEXT, dialogText)
                         .addFlags(Intent.FLAG_ACTIVITY_NEW_TASK),
                 0);
     }

     @Override
     public boolean onPrepareOptionsMenu(Menu menu) {
         menu.getItem(1).setTitle(mToggleLabels[mLabelIndex]);
         return true;
     }

     @Override
     public void onSaveInstanceState (Bundle outState) {
         super.onSaveInstanceState(outState);
         ActionBar bar = getActionBar();
         int category = bar.getSelectedTab().getPosition();
         outState.putInt("category", category);
         outState.putInt("theme", mThemeId);
     }


     public static class MyDialogFragment extends DialogFragment {

         public static MyDialogFragment newInstance(String title) {
             MyDialogFragment frag = new MyDialogFragment();
             Bundle args = new Bundle();
             args.putString("text", title);
             frag.setArguments(args);
             return frag;
         }

         @Override
         public Dialog onCreateDialog(Bundle savedInstanceState) {
             String text = getArguments().getString("text");

             return new AlertDialog.Builder(getActivity())
                     .setTitle("A Dialog of Awesome")
                     .setMessage(text)
                     .setPositiveButton(android.R.string.ok,
                             new DialogInterface.OnClickListener() {
                                 public void onClick(DialogInterface dialog, int whichButton) {
                                 }
                             }
                     )
                     .create();
         }
     }
 }
	/*
	* Copyright (C) 2011 The Android Open Source Project
	*
	* Licensed under the Apache License, Version 2.0 (the "License");
	* you may not use this file except in compliance with the License.
	* You may obtain a copy of the License at
	*
	* http://www.apache.org/licenses/LICENSE-2.0
	*
	* Unless required by applicable law or agreed to in writing, software
	* distributed under the License is distributed on an "AS IS" BASIS,
	* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
	* See the License for the specific language governing permissions and
	* limitations under the License.
	*/

	package com.example.android.hcgallery;

	import android.animation.Animator;
	import android.animation.AnimatorListenerAdapter;
	import android.animation.ObjectAnimator;
	import android.animation.PropertyValuesHolder;
	import android.animation.ValueAnimator;
	import android.app.ActionBar;
	import android.app.Activity;
	import android.app.AlertDialog;
	import android.app.Dialog;
	import android.app.DialogFragment;
	import android.app.FragmentManager;
	import android.app.FragmentTransaction;
	import android.app.Notification;
	import android.app.NotificationManager;
	import android.app.PendingIntent;
	import android.content.DialogInterface;
	import android.content.Intent;
	import android.content.res.Configuration;
	import android.content.res.Resources;
	import android.graphics.Bitmap;
	import android.graphics.BitmapFactory;
	import android.os.Bundle;
	import android.view.Menu;
	import android.view.MenuInflater;
	import android.view.MenuItem;
	import android.view.View;
	import android.view.ViewGroup;
	import android.view.Window;
	import android.widget.RemoteViews;

	public class MainActivity extends Activity implements ActionBar.TabListener {

	private static final int NOTIFICATION_DEFAULT = 1;
	private static final String ACTION_DIALOG = "com.example.android.hcgallery.action.DIALOG";

	private View mActionBarView;
	private Animator mCurrentTitlesAnimator;
	private String[] mToggleLabels = {"Show Titles", "Hide Titles"};
	private int mLabelIndex = 1;
	private int mThemeId = -1;

	@Override
	public void onCreate(Bundle savedInstanceState) {
	super.onCreate(savedInstanceState);

	if(savedInstanceState != null && savedInstanceState.getInt("theme", -1) != -1) {
	mThemeId = savedInstanceState.getInt("theme");
	this.setTheme(mThemeId);
	}

	setContentView(R.layout.main);

	Directory.initializeDirectory();

	ActionBar bar = getActionBar();

	int i;
	for (i = 0; i < Directory.getCategoryCount(); i++) {
	bar.addTab(bar.newTab().setText(Directory.getCategory(i).getName())
	.setTabListener(this));
	}

	mActionBarView = getLayoutInflater().inflate(
	R.layout.action_bar_custom, null);

	bar.setCustomView(mActionBarView);
	bar.setDisplayOptions(ActionBar.DISPLAY_SHOW_CUSTOM \| ActionBar.DISPLAY_USE_LOGO);
	bar.setNavigationMode(ActionBar.NAVIGATION_MODE_TABS);
	bar.setDisplayShowHomeEnabled(true);

	// If category is not saved to the savedInstanceState,
	// 0 is returned by default.
	if(savedInstanceState != null) {
	int category = savedInstanceState.getInt("category");
	bar.selectTab(bar.getTabAt(category));
	}
	}

	public void onTabSelected(ActionBar.Tab tab, FragmentTransaction ft) {
	TitlesFragment titleFrag = (TitlesFragment) getFragmentManager()
	.findFragmentById(R.id.frag_title);
	titleFrag.populateTitles(tab.getPosition());

	titleFrag.selectPosition(0);
	}

	public void onTabUnselected(ActionBar.Tab tab, FragmentTransaction ft) {
	}

	public void onTabReselected(ActionBar.Tab tab, FragmentTransaction ft) {
	}

	@Override
	public boolean onCreateOptionsMenu(Menu menu) {
	MenuInflater inflater = getMenuInflater();
	inflater.inflate(R.menu.main_menu, menu);
	return true;
	}

	@Override
	public boolean onOptionsItemSelected(MenuItem item) {
	switch (item.getItemId()) {
	case R.id.camera:
	Intent intent = new Intent(this, CameraSample.class);
	intent.putExtra("theme", mThemeId);
	startActivity(intent);
	return true;

	case R.id.toggleTitles:
	toggleVisibleTitles();
	return true;

	case R.id.toggleTheme:
	if (mThemeId == R.style.AppTheme_Dark) {
	mThemeId = R.style.AppTheme_Light;
	} else {
	mThemeId = R.style.AppTheme_Dark;
	}
	this.recreate();
	return true;

	case R.id.showDialog:
	showDialog("This is indeed an awesome dialog.");
	return true;

	case R.id.showStandardNotification:
	showNotification(false);
	return true;

	case R.id.showCustomNotification:
	showNotification(true);
	return true;

	default:
	return super.onOptionsItemSelected(item);
	}
	}

	public void toggleVisibleTitles() {
	// Use these for custom animations.
	final FragmentManager fm = getFragmentManager();
	final TitlesFragment f = (TitlesFragment) fm
	.findFragmentById(R.id.frag_title);
	final View titlesView = f.getView();
	mLabelIndex = 1 - mLabelIndex;

	// Determine if we're in portrait, and whether we're showing or hiding the titles
	// with this toggle.
	final boolean isPortrait = getResources().getConfiguration().orientation ==
	Configuration.ORIENTATION_PORTRAIT;

	final boolean shouldShow = f.isHidden() \|\| mCurrentTitlesAnimator != null;

	// Cancel the current titles animation if there is one.
	if (mCurrentTitlesAnimator != null)
	mCurrentTitlesAnimator.cancel();

	// Begin setting up the object animator. We'll animate the bottom or right edge of the
	// titles view, as well as its alpha for a fade effect.
	ObjectAnimator objectAnimator = ObjectAnimator.ofPropertyValuesHolder(
	titlesView,
	PropertyValuesHolder.ofInt(
	isPortrait ? "bottom" : "right",
	shouldShow ? getResources().getDimensionPixelSize(R.dimen.titles_size)
	: 0),
	PropertyValuesHolder.ofFloat("alpha", shouldShow ? 1 : 0)
	);

	// At each step of the animation, we'll perform layout by calling setLayoutParams.
	final ViewGroup.LayoutParams lp = titlesView.getLayoutParams();
	objectAnimator.addUpdateListener(new ValueAnimator.AnimatorUpdateListener() {
	public void onAnimationUpdate(ValueAnimator valueAnimator) {
	// * WARNING *: triggering layout at each animation frame highly impacts
	// performance so you should only do this for simple layouts. More complicated
	// layouts can be better served with individual animations on child views to
	// avoid the performance penalty of layout.
	if (isPortrait) {
	lp.height = (Integer) valueAnimator.getAnimatedValue();
	} else {
	lp.width = (Integer) valueAnimator.getAnimatedValue();
	}
	titlesView.setLayoutParams(lp);
	}
	});

	if (shouldShow) {
	fm.beginTransaction().show(f).commit();
	objectAnimator.addListener(new AnimatorListenerAdapter() {
	@Override
	public void onAnimationEnd(Animator animator) {
	mCurrentTitlesAnimator = null;
	}
	});

	} else {
	objectAnimator.addListener(new AnimatorListenerAdapter() {
	boolean canceled;

	@Override
	public void onAnimationCancel(Animator animation) {
	canceled = true;
	super.onAnimationCancel(animation);
	}

	@Override
	public void onAnimationEnd(Animator animator) {
	if (canceled)
	return;
	mCurrentTitlesAnimator = null;
	fm.beginTransaction().hide(f).commit();
	}
	});
	}

	// Start the animation.
	objectAnimator.start();
	mCurrentTitlesAnimator = objectAnimator;

	invalidateOptionsMenu();

	// Manually trigger onNewIntent to check for ACTION_DIALOG.
	onNewIntent(getIntent());
	}

	@Override
	protected void onNewIntent(Intent intent) {
	if (ACTION_DIALOG.equals(intent.getAction())) {
	showDialog(intent.getStringExtra(Intent.EXTRA_TEXT));
	}
	}

	void showDialog(String text) {
	// DialogFragment.show() will take care of adding the fragment
	// in a transaction. We also want to remove any currently showing
	// dialog, so make our own transaction and take care of that here.
	FragmentTransaction ft = getFragmentManager().beginTransaction();

	DialogFragment newFragment = MyDialogFragment.newInstance(text);

	// Show the dialog.
	newFragment.show(ft, "dialog");
	}

	void showNotification(boolean custom) {
	final Resources res = getResources();
	final NotificationManager notificationManager = (NotificationManager) getSystemService(
	NOTIFICATION_SERVICE);

	Notification.Builder builder = new Notification.Builder(this)
	.setSmallIcon(R.drawable.ic_stat_notify_example)
	.setAutoCancel(true)
	.setTicker(getString(R.string.notification_text))
	.setContentIntent(getDialogPendingIntent("Tapped the notification entry."));

	if (custom) {
	// Sets a custom content view for the notification, including an image button.
	RemoteViews layout = new RemoteViews(getPackageName(), R.layout.notification);
	layout.setTextViewText(R.id.notification_title, getString(R.string.app_name));
	layout.setOnClickPendingIntent(R.id.notification_button,
	getDialogPendingIntent("Tapped the 'dialog' button in the notification."));
	builder.setContent(layout);

	// Notifications in Android 3.0 now have a standard mechanism for displaying large
	// bitmaps such as contact avatars. Here, we load an example image and resize it to the
	// appropriate size for large bitmaps in notifications.
	Bitmap largeIconTemp = BitmapFactory.decodeResource(res,
	R.drawable.notification_default_largeicon);
	Bitmap largeIcon = Bitmap.createScaledBitmap(
	largeIconTemp,
	res.getDimensionPixelSize(android.R.dimen.notification_large_icon_width),
	res.getDimensionPixelSize(android.R.dimen.notification_large_icon_height),
	false);
	largeIconTemp.recycle();

	builder.setLargeIcon(largeIcon);

	} else {
	builder
	.setNumber(7) // An example number.
	.setContentTitle(getString(R.string.app_name))
	.setContentText(getString(R.string.notification_text));
	}

	notificationManager.notify(NOTIFICATION_DEFAULT, builder.getNotification());
	}

	PendingIntent getDialogPendingIntent(String dialogText) {
	return PendingIntent.getActivity(
	this,
	dialogText.hashCode(), // Otherwise previous PendingIntents with the same
	// requestCode may be overwritten.
	new Intent(ACTION_DIALOG)
	.putExtra(Intent.EXTRA_TEXT, dialogText)
	.addFlags(Intent.FLAG_ACTIVITY_NEW_TASK),
	0);
	}

	@Override
	public boolean onPrepareOptionsMenu(Menu menu) {
	menu.getItem(1).setTitle(mToggleLabels[mLabelIndex]);
	return true;
	}

	@Override
	public void onSaveInstanceState (Bundle outState) {
	super.onSaveInstanceState(outState);
	ActionBar bar = getActionBar();
	int category = bar.getSelectedTab().getPosition();
	outState.putInt("category", category);
	outState.putInt("theme", mThemeId);
	}


	public static class MyDialogFragment extends DialogFragment {

	public static MyDialogFragment newInstance(String title) {
	MyDialogFragment frag = new MyDialogFragment();
	Bundle args = new Bundle();
	args.putString("text", title);
	frag.setArguments(args);
	return frag;
	}

	@Override
	public Dialog onCreateDialog(Bundle savedInstanceState) {
	String text = getArguments().getString("text");

	return new AlertDialog.Builder(getActivity())
	.setTitle("A Dialog of Awesome")
	.setMessage(text)
	.setPositiveButton(android.R.string.ok,
	new DialogInterface.OnClickListener() {
	public void onClick(DialogInterface dialog, int whichButton) {
	}
	}
	)
	.create();
	}
	}
	}