MD5 校验值:d555a6389a0a865314e2706996812829
FragmentActivity.java 文件包含反编译后的源代码,请注意,该内容仅供学习和参考使用,不得用于非法用途。
package fodroidx.fragment.app; import android.content.Context; import android.content.Intent; import android.content.IntentSender; import android.content.res.Configuration; import android.os.Build; import android.os.Bundle; import android.os.Handler; import android.os.Message; import android.os.Parcelable; import android.util.AttributeSet; import android.util.Log; import android.view.LayoutInflater; import android.view.Menu; import android.view.MenuItem; import android.view.View; import android.view.Window; import fodroidx.collection.SparseArrayCompat; import fodroidx.core.app.ActivityCompat; import fodroidx.core.app.ComponentActivity; import fodroidx.core.app.SharedElementCallback; import fodroidx.core.internal.view.SupportMenu; import fodroidx.lifecycle.Lifecycle; import fodroidx.lifecycle.ViewModelStore; import fodroidx.lifecycle.ViewModelStoreOwner; import fodroidx.loader.app.LoaderManager; import java.io.FileDescriptor; import java.io.PrintWriter; public class FragmentActivity extends ComponentActivity implements ViewModelStoreOwner, ActivityCompat.OnRequestPermissionsResultCallback, ActivityCompat.RequestPermissionsRequestCodeValidator { static final String ALLOCATED_REQUEST_INDICIES_TAG = "android:support:request_indicies"; static final String FRAGMENTS_TAG = "android:support:fragments"; static final int MAX_NUM_PENDING_FRAGMENT_ACTIVITY_RESULTS = 65534; static final int MSG_RESUME_PENDING = 2; static final String NEXT_CANDIDATE_REQUEST_INDEX_TAG = "android:support:next_request_index"; static final String REQUEST_FRAGMENT_WHO_TAG = "android:support:request_fragment_who"; private static final String TAG = "FragmentActivity"; boolean mCreated; int mNextCandidateRequestIndex; SparseArrayCompat<String> mPendingFragmentActivityResults; boolean mRequestedPermissionsFromFragment; boolean mResumed; boolean mStartedActivityFromFragment; boolean mStartedIntentSenderFromFragment; private ViewModelStore mViewModelStore; final Handler mHandler = new Handler() { @Override public void handleMessage(Message message) { if (message.what == 2) { FragmentActivity.this.onResumeFragments(); FragmentActivity.this.mFragments.execPendingActions(); } else { super.handleMessage(message); } } }; final FragmentController mFragments = FragmentController.createController(new HostCallbacks()); boolean mStopped = true; public void onAttachFragment(Fragment fragment) { } public Object onRetainCustomNonConfigurationInstance() { return null; } static final class NonConfigurationInstances { Object custom; FragmentManagerNonConfig fragments; ViewModelStore viewModelStore; NonConfigurationInstances() { } } @Override public void onActivityResult(int i, int i2, Intent intent) { this.mFragments.noteStateNotSaved(); int i3 = i >> 16; if (i3 != 0) { int i4 = i3 - 1; String str = this.mPendingFragmentActivityResults.get(i4); this.mPendingFragmentActivityResults.remove(i4); if (str == null) { Log.w(TAG, "Activity result delivered for unknown Fragment."); return; } Fragment findFragmentByWho = this.mFragments.findFragmentByWho(str); if (findFragmentByWho == null) { Log.w(TAG, "Activity result no fragment exists for who: " + str); return; } findFragmentByWho.onActivityResult(i & 65535, i2, intent); return; } ActivityCompat.PermissionCompatDelegate permissionCompatDelegate = ActivityCompat.getPermissionCompatDelegate(); if (permissionCompatDelegate == null || !permissionCompatDelegate.onActivityResult(this, i, i2, intent)) { super.onActivityResult(i, i2, intent); } } @Override public void onBackPressed() { FragmentManager supportFragmentManager = this.mFragments.getSupportFragmentManager(); boolean isStateSaved = supportFragmentManager.isStateSaved(); if (!isStateSaved || Build.VERSION.SDK_INT > 25) { if (isStateSaved || !supportFragmentManager.popBackStackImmediate()) { super.onBackPressed(); } } } public void supportFinishAfterTransition() { ActivityCompat.finishAfterTransition(this); } public void setEnterSharedElementCallback(SharedElementCallback sharedElementCallback) { ActivityCompat.setEnterSharedElementCallback(this, sharedElementCallback); } public void setExitSharedElementCallback(SharedElementCallback sharedElementCallback) { ActivityCompat.setExitSharedElementCallback(this, sharedElementCallback); } public void supportPostponeEnterTransition() { ActivityCompat.postponeEnterTransition(this); } public void supportStartPostponedEnterTransition() { ActivityCompat.startPostponedEnterTransition(this); } @Override public void onMultiWindowModeChanged(boolean z) { this.mFragments.dispatchMultiWindowModeChanged(z); } @Override public void onPictureInPictureModeChanged(boolean z) { this.mFragments.dispatchPictureInPictureModeChanged(z); } @Override public void onConfigurationChanged(Configuration configuration) { super.onConfigurationChanged(configuration); this.mFragments.noteStateNotSaved(); this.mFragments.dispatchConfigurationChanged(configuration); } @Override public ViewModelStore getViewModelStore() { if (getApplication() == null) { throw new IllegalStateException("Your activity is not yet attached to the Application instance. You can't request ViewModel before onCreate call."); } if (this.mViewModelStore == null) { NonConfigurationInstances nonConfigurationInstances = (NonConfigurationInstances) getLastNonConfigurationInstance(); if (nonConfigurationInstances != null) { this.mViewModelStore = nonConfigurationInstances.viewModelStore; } if (this.mViewModelStore == null) { this.mViewModelStore = new ViewModelStore(); } } return this.mViewModelStore; } @Override public Lifecycle getLifecycle() { return super.getLifecycle(); } @Override public void onCreate(Bundle bundle) { this.mFragments.attachHost(null); super.onCreate(bundle); NonConfigurationInstances nonConfigurationInstances = (NonConfigurationInstances) getLastNonConfigurationInstance(); if (nonConfigurationInstances != null && nonConfigurationInstances.viewModelStore != null && this.mViewModelStore == null) { this.mViewModelStore = nonConfigurationInstances.viewModelStore; } if (bundle != null) { this.mFragments.restoreAllState(bundle.getParcelable(FRAGMENTS_TAG), nonConfigurationInstances != null ? nonConfigurationInstances.fragments : null); if (bundle.containsKey(NEXT_CANDIDATE_REQUEST_INDEX_TAG)) { this.mNextCandidateRequestIndex = bundle.getInt(NEXT_CANDIDATE_REQUEST_INDEX_TAG); int[] intArray = bundle.getIntArray(ALLOCATED_REQUEST_INDICIES_TAG); String[] stringArray = bundle.getStringArray(REQUEST_FRAGMENT_WHO_TAG); if (intArray == null || stringArray == null || intArray.length != stringArray.length) { Log.w(TAG, "Invalid requestCode mapping in savedInstanceState."); } else { this.mPendingFragmentActivityResults = new SparseArrayCompat<>(intArray.length); for (int i = 0; i < intArray.length; i++) { this.mPendingFragmentActivityResults.put(intArray[i], stringArray[i]); } } } } if (this.mPendingFragmentActivityResults == null) { this.mPendingFragmentActivityResults = new SparseArrayCompat<>(); this.mNextCandidateRequestIndex = 0; } this.mFragments.dispatchCreate(); } @Override public boolean onCreatePanelMenu(int i, Menu menu) { if (i == 0) { return super.onCreatePanelMenu(i, menu) | this.mFragments.dispatchCreateOptionsMenu(menu, getMenuInflater()); } return super.onCreatePanelMenu(i, menu); } @Override public View onCreateView(View view, String str, Context context, AttributeSet attributeSet) { View dispatchFragmentsOnCreateView = dispatchFragmentsOnCreateView(view, str, context, attributeSet); return dispatchFragmentsOnCreateView == null ? super.onCreateView(view, str, context, attributeSet) : dispatchFragmentsOnCreateView; } @Override public View onCreateView(String str, Context context, AttributeSet attributeSet) { View dispatchFragmentsOnCreateView = dispatchFragmentsOnCreateView(null, str, context, attributeSet); return dispatchFragmentsOnCreateView == null ? super.onCreateView(str, context, attributeSet) : dispatchFragmentsOnCreateView; } final View dispatchFragmentsOnCreateView(View view, String str, Context context, AttributeSet attributeSet) { return this.mFragments.onCreateView(view, str, context, attributeSet); } @Override public void onDestroy() { super.onDestroy(); if (this.mViewModelStore != null && !isChangingConfigurations()) { this.mViewModelStore.clear(); } this.mFragments.dispatchDestroy(); } @Override public void onLowMemory() { super.onLowMemory(); this.mFragments.dispatchLowMemory(); } @Override public boolean onMenuItemSelected(int i, MenuItem menuItem) { if (super.onMenuItemSelected(i, menuItem)) { return true; } if (i == 0) { return this.mFragments.dispatchOptionsItemSelected(menuItem); } if (i != 6) { return false; } return this.mFragments.dispatchContextItemSelected(menuItem); } @Override public void onPanelClosed(int i, Menu menu) { if (i == 0) { this.mFragments.dispatchOptionsMenuClosed(menu); } super.onPanelClosed(i, menu); } @Override public void onPause() { super.onPause(); this.mResumed = false; if (this.mHandler.hasMessages(2)) { this.mHandler.removeMessages(2); onResumeFragments(); } this.mFragments.dispatchPause(); } @Override public void onNewIntent(Intent intent) { super.onNewIntent(intent); this.mFragments.noteStateNotSaved(); } @Override public void onStateNotSaved() { this.mFragments.noteStateNotSaved(); } @Override protected void onResume() { super.onResume(); this.mHandler.sendEmptyMessage(2); this.mResumed = true; this.mFragments.execPendingActions(); } @Override public void onPostResume() { super.onPostResume(); this.mHandler.removeMessages(2); onResumeFragments(); this.mFragments.execPendingActions(); } protected void onResumeFragments() { this.mFragments.dispatchResume(); } @Override public boolean onPreparePanel(int i, View view, Menu menu) { if (i == 0 && menu != null) { return onPrepareOptionsPanel(view, menu) | this.mFragments.dispatchPrepareOptionsMenu(menu); } return super.onPreparePanel(i, view, menu); } protected boolean onPrepareOptionsPanel(View view, Menu menu) { return super.onPreparePanel(0, view, menu); } @Override public final Object onRetainNonConfigurationInstance() { Object onRetainCustomNonConfigurationInstance = onRetainCustomNonConfigurationInstance(); FragmentManagerNonConfig retainNestedNonConfig = this.mFragments.retainNestedNonConfig(); if (retainNestedNonConfig == null && this.mViewModelStore == null && onRetainCustomNonConfigurationInstance == null) { return null; } NonConfigurationInstances nonConfigurationInstances = new NonConfigurationInstances(); nonConfigurationInstances.custom = onRetainCustomNonConfigurationInstance; nonConfigurationInstances.viewModelStore = this.mViewModelStore; nonConfigurationInstances.fragments = retainNestedNonConfig; return nonConfigurationInstances; } @Override public void onSaveInstanceState(Bundle bundle) { super.onSaveInstanceState(bundle); markFragmentsCreated(); Parcelable saveAllState = this.mFragments.saveAllState(); if (saveAllState != null) { bundle.putParcelable(FRAGMENTS_TAG, saveAllState); } if (this.mPendingFragmentActivityResults.size() > 0) { bundle.putInt(NEXT_CANDIDATE_REQUEST_INDEX_TAG, this.mNextCandidateRequestIndex); int[] iArr = new int[this.mPendingFragmentActivityResults.size()]; String[] strArr = new String[this.mPendingFragmentActivityResults.size()]; for (int i = 0; i < this.mPendingFragmentActivityResults.size(); i++) { iArr[i] = this.mPendingFragmentActivityResults.keyAt(i); strArr[i] = this.mPendingFragmentActivityResults.valueAt(i); } bundle.putIntArray(ALLOCATED_REQUEST_INDICIES_TAG, iArr); bundle.putStringArray(REQUEST_FRAGMENT_WHO_TAG, strArr); } } @Override public void onStart() { super.onStart(); this.mStopped = false; if (!this.mCreated) { this.mCreated = true; this.mFragments.dispatchActivityCreated(); } this.mFragments.noteStateNotSaved(); this.mFragments.execPendingActions(); this.mFragments.dispatchStart(); } @Override public void onStop() { super.onStop(); this.mStopped = true; markFragmentsCreated(); this.mFragments.dispatchStop(); } public Object getLastCustomNonConfigurationInstance() { NonConfigurationInstances nonConfigurationInstances = (NonConfigurationInstances) getLastNonConfigurationInstance(); if (nonConfigurationInstances != null) { return nonConfigurationInstances.custom; } return null; } @Deprecated public void supportInvalidateOptionsMenu() { invalidateOptionsMenu(); } @Override public void dump(String str, FileDescriptor fileDescriptor, PrintWriter printWriter, String[] strArr) { super.dump(str, fileDescriptor, printWriter, strArr); printWriter.print(str); printWriter.print("Local FragmentActivity "); printWriter.print(Integer.toHexString(System.identityHashCode(this))); printWriter.println(" State:"); String str2 = str + " "; printWriter.print(str2); printWriter.print("mCreated="); printWriter.print(this.mCreated); printWriter.print(" mResumed="); printWriter.print(this.mResumed); printWriter.print(" mStopped="); printWriter.print(this.mStopped); if (getApplication() != null) { LoaderManager.getInstance(this).dump(str2, fileDescriptor, printWriter, strArr); } this.mFragments.getSupportFragmentManager().dump(str, fileDescriptor, printWriter, strArr); } public FragmentManager getSupportFragmentManager() { return this.mFragments.getSupportFragmentManager(); } @Deprecated public LoaderManager getSupportLoaderManager() { return LoaderManager.getInstance(this); } @Override public void startActivityForResult(Intent intent, int i) { if (!this.mStartedActivityFromFragment && i != -1) { checkForValidRequestCode(i); } super.startActivityForResult(intent, i); } @Override public void startActivityForResult(Intent intent, int i, Bundle bundle) { if (!this.mStartedActivityFromFragment && i != -1) { checkForValidRequestCode(i); } super.startActivityForResult(intent, i, bundle); } @Override public void startIntentSenderForResult(IntentSender intentSender, int i, Intent intent, int i2, int i3, int i4) throws IntentSender.SendIntentException { if (!this.mStartedIntentSenderFromFragment && i != -1) { checkForValidRequestCode(i); } super.startIntentSenderForResult(intentSender, i, intent, i2, i3, i4); } @Override public void startIntentSenderForResult(IntentSender intentSender, int i, Intent intent, int i2, int i3, int i4, Bundle bundle) throws IntentSender.SendIntentException { if (!this.mStartedIntentSenderFromFragment && i != -1) { checkForValidRequestCode(i); } super.startIntentSenderForResult(intentSender, i, intent, i2, i3, i4, bundle); } static void checkForValidRequestCode(int i) { if ((i & SupportMenu.CATEGORY_MASK) != 0) { throw new IllegalArgumentException("Can only use lower 16 bits for requestCode"); } } @Override public final void validateRequestPermissionsRequestCode(int i) { if (this.mRequestedPermissionsFromFragment || i == -1) { return; } checkForValidRequestCode(i); } @Override public void onRequestPermissionsResult(int i, String[] strArr, int[] iArr) { this.mFragments.noteStateNotSaved(); int i2 = (i >> 16) & 65535; if (i2 != 0) { int i3 = i2 - 1; String str = this.mPendingFragmentActivityResults.get(i3); this.mPendingFragmentActivityResults.remove(i3); if (str == null) { Log.w(TAG, "Activity result delivered for unknown Fragment."); return; } Fragment findFragmentByWho = this.mFragments.findFragmentByWho(str); if (findFragmentByWho == null) { Log.w(TAG, "Activity result no fragment exists for who: " + str); return; } findFragmentByWho.onRequestPermissionsResult(i & 65535, strArr, iArr); } } public void startActivityFromFragment(Fragment fragment, Intent intent, int i) { startActivityFromFragment(fragment, intent, i, (Bundle) null); } public void startActivityFromFragment(Fragment fragment, Intent intent, int i, Bundle bundle) { this.mStartedActivityFromFragment = true; try { if (i == -1) { ActivityCompat.startActivityForResult(this, intent, -1, bundle); } else { checkForValidRequestCode(i); ActivityCompat.startActivityForResult(this, intent, ((allocateRequestIndex(fragment) + 1) << 16) + (i & 65535), bundle); } } finally { this.mStartedActivityFromFragment = false; } } public void startIntentSenderFromFragment(Fragment fragment, IntentSender intentSender, int i, Intent intent, int i2, int i3, int i4, Bundle bundle) throws IntentSender.SendIntentException { this.mStartedIntentSenderFromFragment = true; try { if (i == -1) { ActivityCompat.startIntentSenderForResult(this, intentSender, i, intent, i2, i3, i4, bundle); } else { checkForValidRequestCode(i); ActivityCompat.startIntentSenderForResult(this, intentSender, ((allocateRequestIndex(fragment) + 1) << 16) + (i & 65535), intent, i2, i3, i4, bundle); } } finally { this.mStartedIntentSenderFromFragment = false; } } private int allocateRequestIndex(Fragment fragment) { if (this.mPendingFragmentActivityResults.size() >= MAX_NUM_PENDING_FRAGMENT_ACTIVITY_RESULTS) { throw new IllegalStateException("Too many pending Fragment activity results."); } while (this.mPendingFragmentActivityResults.indexOfKey(this.mNextCandidateRequestIndex) >= 0) { this.mNextCandidateRequestIndex = (this.mNextCandidateRequestIndex + 1) % MAX_NUM_PENDING_FRAGMENT_ACTIVITY_RESULTS; } int i = this.mNextCandidateRequestIndex; this.mPendingFragmentActivityResults.put(i, fragment.mWho); this.mNextCandidateRequestIndex = (this.mNextCandidateRequestIndex + 1) % MAX_NUM_PENDING_FRAGMENT_ACTIVITY_RESULTS; return i; } void requestPermissionsFromFragment(Fragment fragment, String[] strArr, int i) { if (i == -1) { ActivityCompat.requestPermissions(this, strArr, i); return; } checkForValidRequestCode(i); try { this.mRequestedPermissionsFromFragment = true; ActivityCompat.requestPermissions(this, strArr, ((allocateRequestIndex(fragment) + 1) << 16) + (i & 65535)); } finally { this.mRequestedPermissionsFromFragment = false; } } class HostCallbacks extends FragmentHostCallback<FragmentActivity> { public HostCallbacks() { super(FragmentActivity.this); } @Override public void onDump(String str, FileDescriptor fileDescriptor, PrintWriter printWriter, String[] strArr) { FragmentActivity.this.dump(str, fileDescriptor, printWriter, strArr); } @Override public boolean onShouldSaveFragmentState(Fragment fragment) { return !FragmentActivity.this.isFinishing(); } @Override public LayoutInflater onGetLayoutInflater() { return FragmentActivity.this.getLayoutInflater().cloneInContext(FragmentActivity.this); } @Override public FragmentActivity onGetHost() { return FragmentActivity.this; } @Override public void onSupportInvalidateOptionsMenu() { FragmentActivity.this.supportInvalidateOptionsMenu(); } @Override public void onStartActivityFromFragment(Fragment fragment, Intent intent, int i) { FragmentActivity.this.startActivityFromFragment(fragment, intent, i); } @Override public void onStartActivityFromFragment(Fragment fragment, Intent intent, int i, Bundle bundle) { FragmentActivity.this.startActivityFromFragment(fragment, intent, i, bundle); } @Override public void onStartIntentSenderFromFragment(Fragment fragment, IntentSender intentSender, int i, Intent intent, int i2, int i3, int i4, Bundle bundle) throws IntentSender.SendIntentException { FragmentActivity.this.startIntentSenderFromFragment(fragment, intentSender, i, intent, i2, i3, i4, bundle); } @Override public void onRequestPermissionsFromFragment(Fragment fragment, String[] strArr, int i) { FragmentActivity.this.requestPermissionsFromFragment(fragment, strArr, i); } @Override public boolean onShouldShowRequestPermissionRationale(String str) { return ActivityCompat.shouldShowRequestPermissionRationale(FragmentActivity.this, str); } @Override public boolean onHasWindowAnimations() { return FragmentActivity.this.getWindow() != null; } @Override public int onGetWindowAnimations() { Window window = FragmentActivity.this.getWindow(); if (window == null) { return 0; } return window.getAttributes().windowAnimations; } @Override public void onAttachFragment(Fragment fragment) { FragmentActivity.this.onAttachFragment(fragment); } @Override public View onFindViewById(int i) { return FragmentActivity.this.findViewById(i); } @Override public boolean onHasView() { Window window = FragmentActivity.this.getWindow(); return (window == null || window.peekDecorView() == null) ? false : true; } } private void markFragmentsCreated() { do { } while (markState(getSupportFragmentManager(), Lifecycle.State.CREATED)); } private static boolean markState(FragmentManager fragmentManager, Lifecycle.State state) { boolean z = false; for (Fragment fragment : fragmentManager.getFragments()) { if (fragment != null) { if (fragment.getLifecycle().getCurrentState().isAtLeast(Lifecycle.State.STARTED)) { fragment.mLifecycleRegistry.markState(state); z = true; } FragmentManager peekChildFragmentManager = fragment.peekChildFragmentManager(); if (peekChildFragmentManager != null) { z |= markState(peekChildFragmentManager, state); } } } return z; } }