| /* |
| * Copyright (C) 2015 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 android.support.v7.app; |
| |
| import android.content.Intent; |
| import android.content.res.Configuration; |
| import android.os.Bundle; |
| import android.support.annotation.LayoutRes; |
| import android.support.annotation.Nullable; |
| import android.support.v4.app.ActivityCompat; |
| import android.support.v4.app.FragmentActivity; |
| import android.support.v4.app.NavUtils; |
| import android.support.v4.app.TaskStackBuilder; |
| import android.support.v7.view.ActionMode; |
| import android.support.v7.widget.Toolbar; |
| import android.view.MenuInflater; |
| import android.view.View; |
| import android.view.ViewGroup; |
| |
| /** |
| * Base class for activities that use the |
| * <a href="{@docRoot}tools/extras/support-library.html">support library</a> action bar features. |
| * |
| * <p>You can add an {@link android.support.v7.app.ActionBar} to your activity when running on API level 7 or higher |
| * by extending this class for your activity and setting the activity theme to |
| * {@link android.support.v7.appcompat.R.style#Theme_AppCompat Theme.AppCompat} or a similar theme. |
| * |
| * <div class="special reference"> |
| * <h3>Developer Guides</h3> |
| * |
| * <p>For information about how to use the action bar, including how to add action items, navigation |
| * modes and more, read the <a href="{@docRoot}guide/topics/ui/actionbar.html">Action |
| * Bar</a> API guide.</p> |
| * </div> |
| */ |
| public class AppCompatActivity extends FragmentActivity implements AppCompatCallback, |
| TaskStackBuilder.SupportParentable, ActionBarDrawerToggle.DelegateProvider { |
| |
| private AppCompatDelegate mDelegate; |
| |
| @Override |
| protected void onCreate(Bundle savedInstanceState) { |
| getDelegate().installViewFactory(); |
| super.onCreate(savedInstanceState); |
| getDelegate().onCreate(savedInstanceState); |
| } |
| |
| @Override |
| protected void onPostCreate(Bundle savedInstanceState) { |
| super.onPostCreate(savedInstanceState); |
| getDelegate().onPostCreate(savedInstanceState); |
| } |
| |
| /** |
| * Support library version of {@link android.app.Activity#getActionBar}. |
| * |
| * <p>Retrieve a reference to this activity's ActionBar. |
| * |
| * @return The Activity's ActionBar, or null if it does not have one. |
| */ |
| public ActionBar getSupportActionBar() { |
| return getDelegate().getSupportActionBar(); |
| } |
| |
| /** |
| * Set a {@link android.widget.Toolbar Toolbar} to act as the {@link android.support.v7.app.ActionBar} for this |
| * Activity window. |
| * |
| * <p>When set to a non-null value the {@link #getActionBar()} method will return |
| * an {@link android.support.v7.app.ActionBar} object that can be used to control the given toolbar as if it were |
| * a traditional window decor action bar. The toolbar's menu will be populated with the |
| * Activity's options menu and the navigation button will be wired through the standard |
| * {@link android.R.id#home home} menu select action.</p> |
| * |
| * <p>In order to use a Toolbar within the Activity's window content the application |
| * must not request the window feature {@link android.view.Window#FEATURE_ACTION_BAR FEATURE_ACTION_BAR}.</p> |
| * |
| * @param toolbar Toolbar to set as the Activity's action bar |
| */ |
| public void setSupportActionBar(@Nullable Toolbar toolbar) { |
| getDelegate().setSupportActionBar(toolbar); |
| } |
| |
| @Override |
| public MenuInflater getMenuInflater() { |
| return getDelegate().getMenuInflater(); |
| } |
| |
| @Override |
| public void setContentView(@LayoutRes int layoutResID) { |
| getDelegate().setContentView(layoutResID); |
| } |
| |
| @Override |
| public void setContentView(View view) { |
| getDelegate().setContentView(view); |
| } |
| |
| @Override |
| public void setContentView(View view, ViewGroup.LayoutParams params) { |
| getDelegate().setContentView(view, params); |
| } |
| |
| @Override |
| public void addContentView(View view, ViewGroup.LayoutParams params) { |
| getDelegate().addContentView(view, params); |
| } |
| |
| @Override |
| public void onConfigurationChanged(Configuration newConfig) { |
| super.onConfigurationChanged(newConfig); |
| getDelegate().onConfigurationChanged(newConfig); |
| } |
| |
| @Override |
| protected void onStop() { |
| super.onStop(); |
| getDelegate().onStop(); |
| } |
| |
| @Override |
| protected void onPostResume() { |
| super.onPostResume(); |
| getDelegate().onPostResume(); |
| } |
| |
| @Override |
| public final boolean onMenuItemSelected(int featureId, android.view.MenuItem item) { |
| if (super.onMenuItemSelected(featureId, item)) { |
| return true; |
| } |
| |
| final ActionBar ab = getSupportActionBar(); |
| if (item.getItemId() == android.R.id.home && ab != null && |
| (ab.getDisplayOptions() & ActionBar.DISPLAY_HOME_AS_UP) != 0) { |
| return onSupportNavigateUp(); |
| } |
| return false; |
| } |
| |
| @Override |
| protected void onDestroy() { |
| super.onDestroy(); |
| getDelegate().onDestroy(); |
| } |
| |
| @Override |
| protected void onTitleChanged(CharSequence title, int color) { |
| super.onTitleChanged(title, color); |
| getDelegate().setTitle(title); |
| } |
| |
| /** |
| * Enable extended support library window features. |
| * <p> |
| * This is a convenience for calling |
| * {@link android.view.Window#requestFeature getWindow().requestFeature()}. |
| * </p> |
| * |
| * @param featureId The desired feature as defined in |
| * {@link android.view.Window} or {@link android.support.v4.view.WindowCompat}. |
| * @return Returns true if the requested feature is supported and now enabled. |
| * |
| * @see android.app.Activity#requestWindowFeature |
| * @see android.view.Window#requestFeature |
| */ |
| public boolean supportRequestWindowFeature(int featureId) { |
| return getDelegate().requestWindowFeature(featureId); |
| } |
| |
| @Override |
| public void supportInvalidateOptionsMenu() { |
| getDelegate().invalidateOptionsMenu(); |
| } |
| |
| /** |
| * @hide |
| */ |
| public void invalidateOptionsMenu() { |
| getDelegate().invalidateOptionsMenu(); |
| } |
| |
| /** |
| * Notifies the Activity that a support action mode has been started. |
| * Activity subclasses overriding this method should call the superclass implementation. |
| * |
| * @param mode The new action mode. |
| */ |
| public void onSupportActionModeStarted(ActionMode mode) { |
| } |
| |
| /** |
| * Notifies the activity that a support action mode has finished. |
| * Activity subclasses overriding this method should call the superclass implementation. |
| * |
| * @param mode The action mode that just finished. |
| */ |
| public void onSupportActionModeFinished(ActionMode mode) { |
| } |
| |
| public ActionMode startSupportActionMode(ActionMode.Callback callback) { |
| return getDelegate().startSupportActionMode(callback); |
| } |
| |
| /** |
| * @deprecated Progress bars are no longer provided in AppCompat. |
| */ |
| @Deprecated |
| public void setSupportProgressBarVisibility(boolean visible) { |
| } |
| |
| /** |
| * @deprecated Progress bars are no longer provided in AppCompat. |
| */ |
| @Deprecated |
| public void setSupportProgressBarIndeterminateVisibility(boolean visible) { |
| } |
| |
| /** |
| * @deprecated Progress bars are no longer provided in AppCompat. |
| */ |
| @Deprecated |
| public void setSupportProgressBarIndeterminate(boolean indeterminate) { |
| } |
| |
| /** |
| * @deprecated Progress bars are no longer provided in AppCompat. |
| */ |
| @Deprecated |
| public void setSupportProgress(int progress) { |
| } |
| |
| /** |
| * Support version of {@link #onCreateNavigateUpTaskStack(android.app.TaskStackBuilder)}. |
| * This method will be called on all platform versions. |
| * |
| * Define the synthetic task stack that will be generated during Up navigation from |
| * a different task. |
| * |
| * <p>The default implementation of this method adds the parent chain of this activity |
| * as specified in the manifest to the supplied {@link android.support.v4.app.TaskStackBuilder}. Applications |
| * may choose to override this method to construct the desired task stack in a different |
| * way.</p> |
| * |
| * <p>This method will be invoked by the default implementation of {@link #onNavigateUp()} |
| * if {@link #shouldUpRecreateTask(android.content.Intent)} returns true when supplied with the intent |
| * returned by {@link #getParentActivityIntent()}.</p> |
| * |
| * <p>Applications that wish to supply extra Intent parameters to the parent stack defined |
| * by the manifest should override |
| * {@link #onPrepareSupportNavigateUpTaskStack(android.support.v4.app.TaskStackBuilder)}.</p> |
| * |
| * @param builder An empty TaskStackBuilder - the application should add intents representing |
| * the desired task stack |
| */ |
| public void onCreateSupportNavigateUpTaskStack(TaskStackBuilder builder) { |
| builder.addParentStack(this); |
| } |
| |
| /** |
| * Support version of {@link #onPrepareNavigateUpTaskStack(android.app.TaskStackBuilder)}. |
| * This method will be called on all platform versions. |
| * |
| * Prepare the synthetic task stack that will be generated during Up navigation |
| * from a different task. |
| * |
| * <p>This method receives the {@link android.support.v4.app.TaskStackBuilder} with the constructed series of |
| * Intents as generated by {@link #onCreateSupportNavigateUpTaskStack(android.support.v4.app.TaskStackBuilder)}. |
| * If any extra data should be added to these intents before launching the new task, |
| * the application should override this method and add that data here.</p> |
| * |
| * @param builder A TaskStackBuilder that has been populated with Intents by |
| * onCreateNavigateUpTaskStack. |
| */ |
| public void onPrepareSupportNavigateUpTaskStack(TaskStackBuilder builder) { |
| } |
| |
| /** |
| * This method is called whenever the user chooses to navigate Up within your application's |
| * activity hierarchy from the action bar. |
| * |
| * <p>If a parent was specified in the manifest for this activity or an activity-alias to it, |
| * default Up navigation will be handled automatically. See |
| * {@link #getSupportParentActivityIntent()} for how to specify the parent. If any activity |
| * along the parent chain requires extra Intent arguments, the Activity subclass |
| * should override the method {@link #onPrepareSupportNavigateUpTaskStack(android.support.v4.app.TaskStackBuilder)} |
| * to supply those arguments.</p> |
| * |
| * <p>See <a href="{@docRoot}guide/topics/fundamentals/tasks-and-back-stack.html">Tasks and |
| * Back Stack</a> from the developer guide and |
| * <a href="{@docRoot}design/patterns/navigation.html">Navigation</a> from the design guide |
| * for more information about navigating within your app.</p> |
| * |
| * <p>See the {@link android.support.v4.app.TaskStackBuilder} class and the Activity methods |
| * {@link #getSupportParentActivityIntent()}, {@link #supportShouldUpRecreateTask(android.content.Intent)}, and |
| * {@link #supportNavigateUpTo(android.content.Intent)} for help implementing custom Up navigation.</p> |
| * |
| * @return true if Up navigation completed successfully and this Activity was finished, |
| * false otherwise. |
| */ |
| public boolean onSupportNavigateUp() { |
| Intent upIntent = getSupportParentActivityIntent(); |
| |
| if (upIntent != null) { |
| if (supportShouldUpRecreateTask(upIntent)) { |
| TaskStackBuilder b = TaskStackBuilder.create(this); |
| onCreateSupportNavigateUpTaskStack(b); |
| onPrepareSupportNavigateUpTaskStack(b); |
| b.startActivities(); |
| |
| try { |
| ActivityCompat.finishAffinity(this); |
| } catch (IllegalStateException e) { |
| // This can only happen on 4.1+, when we don't have a parent or a result set. |
| // In that case we should just finish(). |
| finish(); |
| } |
| } else { |
| // This activity is part of the application's task, so simply |
| // navigate up to the hierarchical parent activity. |
| supportNavigateUpTo(upIntent); |
| } |
| return true; |
| } |
| return false; |
| } |
| |
| /** |
| * Obtain an {@link android.content.Intent} that will launch an explicit target activity |
| * specified by sourceActivity's {@link android.support.v4.app.NavUtils#PARENT_ACTIVITY} <meta-data> |
| * element in the application's manifest. If the device is running |
| * Jellybean or newer, the android:parentActivityName attribute will be preferred |
| * if it is present. |
| * |
| * @return a new Intent targeting the defined parent activity of sourceActivity |
| */ |
| public Intent getSupportParentActivityIntent() { |
| return NavUtils.getParentActivityIntent(this); |
| } |
| |
| /** |
| * Returns true if sourceActivity should recreate the task when navigating 'up' |
| * by using targetIntent. |
| * |
| * <p>If this method returns false the app can trivially call |
| * {@link #supportNavigateUpTo(android.content.Intent)} using the same parameters to correctly perform |
| * up navigation. If this method returns false, the app should synthesize a new task stack |
| * by using {@link android.support.v4.app.TaskStackBuilder} or another similar mechanism to perform up navigation.</p> |
| * |
| * @param targetIntent An intent representing the target destination for up navigation |
| * @return true if navigating up should recreate a new task stack, false if the same task |
| * should be used for the destination |
| */ |
| public boolean supportShouldUpRecreateTask(Intent targetIntent) { |
| return NavUtils.shouldUpRecreateTask(this, targetIntent); |
| } |
| |
| /** |
| * Navigate from sourceActivity to the activity specified by upIntent, finishing sourceActivity |
| * in the process. upIntent will have the flag {@link android.content.Intent#FLAG_ACTIVITY_CLEAR_TOP} set |
| * by this method, along with any others required for proper up navigation as outlined |
| * in the Android Design Guide. |
| * |
| * <p>This method should be used when performing up navigation from within the same task |
| * as the destination. If up navigation should cross tasks in some cases, see |
| * {@link #supportShouldUpRecreateTask(android.content.Intent)}.</p> |
| * |
| * @param upIntent An intent representing the target destination for up navigation |
| */ |
| public void supportNavigateUpTo(Intent upIntent) { |
| NavUtils.navigateUpTo(this, upIntent); |
| } |
| |
| @Override |
| public void onContentChanged() { |
| // Call onSupportContentChanged() for legacy reasons |
| onSupportContentChanged(); |
| } |
| |
| /** |
| * @deprecated Use {@link #onContentChanged()} instead. |
| */ |
| @Deprecated |
| public void onSupportContentChanged() { |
| } |
| |
| @Nullable |
| @Override |
| public ActionBarDrawerToggle.Delegate getDrawerToggleDelegate() { |
| return getDelegate().getDrawerToggleDelegate(); |
| } |
| |
| /** |
| * @return The {@link AppCompatDelegate} being used by this Activity. |
| */ |
| public AppCompatDelegate getDelegate() { |
| if (mDelegate == null) { |
| mDelegate = AppCompatDelegate.create(this, this); |
| } |
| return mDelegate; |
| } |
| } |