Java tutorial
/* * 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 com.android.dialer.filterednumber; import com.google.common.base.MoreObjects; import android.app.ListFragment; import android.app.LoaderManager; import android.content.Context; import android.content.CursorLoader; import android.content.Loader; import android.database.Cursor; import android.graphics.drawable.ColorDrawable; import android.os.Bundle; import android.support.v4.app.ActivityCompat; import android.support.v7.app.ActionBar; import android.support.v7.app.AppCompatActivity; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.ImageView; import android.widget.TextView; import com.android.contacts.common.lettertiles.LetterTileDrawable; import com.android.contacts.common.testing.NeededForTesting; import com.android.dialer.R; import com.android.dialer.compat.FilteredNumberCompat; import com.android.dialer.database.FilteredNumberContract; import com.android.dialer.filterednumber.BlockedNumbersMigrator.Listener; import com.android.dialer.filterednumber.FilteredNumbersUtil.CheckForSendToVoicemailContactListener; import com.android.dialer.filterednumber.FilteredNumbersUtil.ImportSendToVoicemailContactsListener; import com.android.dialer.voicemail.VisualVoicemailEnabledChecker; public class BlockedNumbersFragment extends ListFragment implements LoaderManager.LoaderCallbacks<Cursor>, View.OnClickListener, VisualVoicemailEnabledChecker.Callback { private static final char ADD_BLOCKED_NUMBER_ICON_LETTER = '+'; private BlockedNumbersMigrator blockedNumbersMigratorForTest; protected View migratePromoView; private TextView blockedNumbersText; private TextView footerText; private BlockedNumbersAdapter mAdapter; private VisualVoicemailEnabledChecker mVoicemailEnabledChecker; private View mImportSettings; private View mBlockedNumbersDisabledForEmergency; private View mBlockedNumberListDivider; @Override public Context getContext() { return getActivity(); } @Override public void onActivityCreated(Bundle savedInstanceState) { super.onActivityCreated(savedInstanceState); LayoutInflater inflater = (LayoutInflater) getActivity().getSystemService(Context.LAYOUT_INFLATER_SERVICE); getListView().addHeaderView(inflater.inflate(R.layout.blocked_number_header, null)); getListView().addFooterView(inflater.inflate(R.layout.blocked_number_footer, null)); //replace the icon for add number with LetterTileDrawable(), so it will have identical style ImageView addNumberIcon = (ImageView) getActivity().findViewById(R.id.add_number_icon); LetterTileDrawable drawable = new LetterTileDrawable(getResources()); drawable.setLetter(ADD_BLOCKED_NUMBER_ICON_LETTER); drawable.setColor(ActivityCompat.getColor(getActivity(), R.color.add_blocked_number_icon_color)); drawable.setIsCircular(true); addNumberIcon.setImageDrawable(drawable); if (mAdapter == null) { mAdapter = BlockedNumbersAdapter.newBlockedNumbersAdapter(getContext(), getActivity().getFragmentManager()); } setListAdapter(mAdapter); blockedNumbersText = (TextView) getListView().findViewById(R.id.blocked_number_text_view); migratePromoView = getListView().findViewById(R.id.migrate_promo); getListView().findViewById(R.id.migrate_promo_allow_button).setOnClickListener(this); mImportSettings = getListView().findViewById(R.id.import_settings); mBlockedNumbersDisabledForEmergency = getListView() .findViewById(R.id.blocked_numbers_disabled_for_emergency); mBlockedNumberListDivider = getActivity().findViewById(R.id.blocked_number_list_divider); getListView().findViewById(R.id.import_button).setOnClickListener(this); getListView().findViewById(R.id.view_numbers_button).setOnClickListener(this); getListView().findViewById(R.id.add_number_linear_layout).setOnClickListener(this); footerText = (TextView) getActivity().findViewById(R.id.blocked_number_footer_textview); mVoicemailEnabledChecker = new VisualVoicemailEnabledChecker(getContext(), this); mVoicemailEnabledChecker.asyncUpdate(); updateActiveVoicemailProvider(); } @Override public void onDestroy() { setListAdapter(null); super.onDestroy(); } @Override public void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); getLoaderManager().initLoader(0, null, this); } @Override public void onResume() { super.onResume(); ActionBar actionBar = ((AppCompatActivity) getActivity()).getSupportActionBar(); ColorDrawable backgroundDrawable = new ColorDrawable( ActivityCompat.getColor(getActivity(), R.color.dialer_theme_color)); actionBar.setBackgroundDrawable(backgroundDrawable); actionBar.setDisplayShowCustomEnabled(false); actionBar.setDisplayHomeAsUpEnabled(true); actionBar.setDisplayShowHomeEnabled(true); actionBar.setDisplayShowTitleEnabled(true); actionBar.setTitle(R.string.manage_blocked_numbers_label); // If the device can use the framework blocking solution, users should not be able to add // new blocked numbers from the Blocked Management UI. They will be shown a promo card // asking them to migrate to new blocking instead. if (FilteredNumberCompat.canUseNewFiltering()) { migratePromoView.setVisibility(View.VISIBLE); blockedNumbersText.setVisibility(View.GONE); getListView().findViewById(R.id.add_number_linear_layout).setVisibility(View.GONE); getListView().findViewById(R.id.add_number_linear_layout).setOnClickListener(null); mBlockedNumberListDivider.setVisibility(View.GONE); mImportSettings.setVisibility(View.GONE); getListView().findViewById(R.id.import_button).setOnClickListener(null); getListView().findViewById(R.id.view_numbers_button).setOnClickListener(null); mBlockedNumbersDisabledForEmergency.setVisibility(View.GONE); footerText.setVisibility(View.GONE); } else { FilteredNumbersUtil.checkForSendToVoicemailContact(getActivity(), new CheckForSendToVoicemailContactListener() { @Override public void onComplete(boolean hasSendToVoicemailContact) { final int visibility = hasSendToVoicemailContact ? View.VISIBLE : View.GONE; mImportSettings.setVisibility(visibility); } }); } // All views except migrate and the block list are hidden when new filtering is available if (!FilteredNumberCompat.canUseNewFiltering() && FilteredNumbersUtil.hasRecentEmergencyCall(getContext())) { mBlockedNumbersDisabledForEmergency.setVisibility(View.VISIBLE); } else { mBlockedNumbersDisabledForEmergency.setVisibility(View.GONE); } mVoicemailEnabledChecker.asyncUpdate(); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { return inflater.inflate(R.layout.blocked_number_fragment, container, false); } @Override public Loader<Cursor> onCreateLoader(int id, Bundle args) { final String[] projection = { FilteredNumberContract.FilteredNumberColumns._ID, FilteredNumberContract.FilteredNumberColumns.COUNTRY_ISO, FilteredNumberContract.FilteredNumberColumns.NUMBER, FilteredNumberContract.FilteredNumberColumns.NORMALIZED_NUMBER }; final String selection = FilteredNumberContract.FilteredNumberColumns.TYPE + "=" + FilteredNumberContract.FilteredNumberTypes.BLOCKED_NUMBER; return new CursorLoader(getContext(), FilteredNumberContract.FilteredNumber.CONTENT_URI, projection, selection, null, null); } @Override public void onLoadFinished(Loader<Cursor> loader, Cursor data) { mAdapter.swapCursor(data); if (FilteredNumberCompat.canUseNewFiltering() || data.getCount() == 0) { mBlockedNumberListDivider.setVisibility(View.INVISIBLE); } else { mBlockedNumberListDivider.setVisibility(View.VISIBLE); } } @Override public void onLoaderReset(Loader<Cursor> loader) { mAdapter.swapCursor(null); } @Override public void onClick(final View view) { final BlockedNumbersSettingsActivity activity = (BlockedNumbersSettingsActivity) getActivity(); if (activity == null) { return; } int resId = view.getId(); if (resId == R.id.add_number_linear_layout) { activity.showSearchUi(); } else if (resId == R.id.view_numbers_button) { activity.showNumbersToImportPreviewUi(); } else if (resId == R.id.import_button) { FilteredNumbersUtil.importSendToVoicemailContacts(activity, new ImportSendToVoicemailContactsListener() { @Override public void onImportComplete() { mImportSettings.setVisibility(View.GONE); } }); } else if (resId == R.id.migrate_promo_allow_button) { view.setEnabled(false); MoreObjects.firstNonNull(blockedNumbersMigratorForTest, new BlockedNumbersMigrator(getContext().getContentResolver())).migrate(new Listener() { @Override public void onComplete() { getContext().startActivity( FilteredNumberCompat.createManageBlockedNumbersIntent(getContext())); // Remove this activity from the backstack activity.finish(); } }); } } @Override public void onVisualVoicemailEnabledStatusChanged(boolean newStatus) { updateActiveVoicemailProvider(); } private void updateActiveVoicemailProvider() { if (getActivity() == null || getActivity().isFinishing()) { return; } if (mVoicemailEnabledChecker.isVisualVoicemailEnabled()) { footerText.setText(R.string.block_number_footer_message_vvm); } else { footerText.setText(R.string.block_number_footer_message_no_vvm); } } @NeededForTesting void setBlockedNumbersMigratorForTest(BlockedNumbersMigrator blockedNumbersMigrator) { blockedNumbersMigratorForTest = blockedNumbersMigrator; } }