Java tutorial
/* * Firetweet - Twitter client for Android * * Copyright (C) 2012-2014 Mariotaku Lee <mariotaku.lee@gmail.com> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ package org.getlantern.firetweet.activity.support; import android.app.AlertDialog; import android.app.Dialog; import android.content.Context; import android.content.DialogInterface; import android.content.Intent; import android.content.SharedPreferences; import android.content.res.Resources; import android.graphics.PorterDuff.Mode; import android.os.Bundle; import android.support.annotation.NonNull; import android.support.v4.app.FragmentActivity; import android.text.TextUtils; import android.view.LayoutInflater; import android.view.View; import android.view.View.OnClickListener; import android.view.ViewGroup; import android.widget.CheckBox; import android.widget.EditText; import android.widget.FrameLayout; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.Spinner; import android.widget.TextView; import android.widget.Toast; import org.getlantern.firetweet.R; import org.getlantern.firetweet.adapter.AccountsSpinnerAdapter; import org.getlantern.firetweet.adapter.ArrayAdapter; import org.getlantern.firetweet.app.FiretweetApplication; import org.getlantern.firetweet.fragment.support.BaseSupportDialogFragment; import org.getlantern.firetweet.model.CustomTabConfiguration; import org.getlantern.firetweet.model.CustomTabConfiguration.ExtraConfiguration; import org.getlantern.firetweet.model.ParcelableAccount; import org.getlantern.firetweet.model.ParcelableUser; import org.getlantern.firetweet.model.ParcelableUserList; import org.getlantern.firetweet.util.MediaLoaderWrapper; import org.getlantern.firetweet.util.ParseUtils; import org.getlantern.firetweet.util.ThemeUtils; import java.text.Collator; import java.util.Comparator; import java.util.Locale; import java.util.Map; import java.util.Map.Entry; import static org.getlantern.firetweet.util.CustomTabUtils.findTabIconKey; import static org.getlantern.firetweet.util.CustomTabUtils.getIconMap; import static org.getlantern.firetweet.util.CustomTabUtils.getTabConfiguration; import static org.getlantern.firetweet.util.CustomTabUtils.getTabTypeName; import static org.getlantern.firetweet.util.UserColorNameUtils.getUserNickname; public class CustomTabEditorActivity extends BaseSupportDialogActivity implements OnClickListener { private MediaLoaderWrapper mImageLoader; private SharedPreferences mPreferences; private AccountsSpinnerAdapter mAccountsAdapter; private CustomTabIconsAdapter mTabIconsAdapter; private View mAccountContainer, mSecondaryFieldContainer, mExtraConfigurationsContainer; private Spinner mTabIconSpinner, mAccountSpinner; private EditText mEditTabName; private TextView mSecondaryFieldLabel; private TextView mTabTypeName; private LinearLayout mExtraConfigurationsContent; private long mTabId; private String mTabType; private CustomTabConfiguration mTabConfiguration; private Object mSecondaryFieldValue; private final Bundle mExtrasBundle = new Bundle(); private final View.OnClickListener mOnExtraConfigurationClickListener = new View.OnClickListener() { @Override public void onClick(final View v) { final Object tag = v.getTag(); if (tag instanceof ExtraConfiguration) { final ExtraConfiguration conf = (ExtraConfiguration) tag; switch (conf.getType()) { case BOOLEAN: { final CheckBox checkBox = (CheckBox) v.findViewById(android.R.id.checkbox); checkBox.toggle(); mExtrasBundle.putBoolean(conf.getKey(), checkBox.isChecked()); break; } default: { break; } } } } }; @Override public void onClick(final View v) { final CustomTabConfiguration conf = mTabConfiguration; final Object value = mSecondaryFieldValue; switch (v.getId()) { case R.id.secondary_field: { if (conf == null) return; switch (conf.getSecondaryFieldType()) { case CustomTabConfiguration.FIELD_TYPE_USER: { final Intent intent = new Intent(this, UserListSelectorActivity.class); intent.setAction(INTENT_ACTION_SELECT_USER); intent.putExtra(EXTRA_ACCOUNT_ID, getAccountId()); startActivityForResult(intent, REQUEST_SELECT_USER); break; } case CustomTabConfiguration.FIELD_TYPE_USER_LIST: { final Intent intent = new Intent(this, UserListSelectorActivity.class); intent.setAction(INTENT_ACTION_SELECT_USER_LIST); intent.putExtra(EXTRA_ACCOUNT_ID, getAccountId()); startActivityForResult(intent, REQUEST_SELECT_USER_LIST); break; } case CustomTabConfiguration.FIELD_TYPE_TEXT: { final int title = conf.getSecondaryFieldTitle(); SecondaryFieldEditTextDialogFragment.show(this, ParseUtils.parseString(value), getString(title > 0 ? title : R.string.content)); break; } } break; } case R.id.save: { if (!isEditMode()) { if (conf == null) return; final boolean account_id_required = conf .getAccountRequirement() == CustomTabConfiguration.ACCOUNT_REQUIRED; final boolean no_account_id = conf.getAccountRequirement() == CustomTabConfiguration.ACCOUNT_NONE; final boolean secondaryFieldRequired = conf .getSecondaryFieldType() != CustomTabConfiguration.FIELD_TYPE_NONE; final boolean account_id_invalid = getAccountId() <= 0; final boolean secondary_field_invalid = mSecondaryFieldValue == null; if (account_id_required && account_id_invalid || secondaryFieldRequired && secondary_field_invalid) { Toast.makeText(this, R.string.invalid_settings, Toast.LENGTH_SHORT).show(); return; } final Intent data = new Intent(); final Bundle args = new Bundle(); if (!no_account_id) { args.putLong(EXTRA_ACCOUNT_ID, getAccountId()); } if (secondaryFieldRequired) { addSecondaryFieldValueToArguments(args); } data.putExtra(EXTRA_TYPE, mTabType); data.putExtra(EXTRA_NAME, ParseUtils.parseString(mEditTabName.getText())); data.putExtra(EXTRA_ICON, getIconKey()); data.putExtra(EXTRA_ARGUMENTS, ParseUtils.bundleToJSON(args)); data.putExtra(EXTRA_EXTRAS, ParseUtils.bundleToJSON(mExtrasBundle)); setResult(RESULT_OK, data); finish(); } else { if (mTabId < 0) return; final Intent data = new Intent(); data.putExtra(EXTRA_NAME, ParseUtils.parseString(mEditTabName.getText())); data.putExtra(EXTRA_ICON, getIconKey()); data.putExtra(EXTRA_ID, mTabId); data.putExtra(EXTRA_EXTRAS, ParseUtils.bundleToJSON(mExtrasBundle)); setResult(RESULT_OK, data); finish(); } break; } } } @Override public void onContentChanged() { super.onContentChanged(); mAccountContainer = findViewById(R.id.account_container); mSecondaryFieldContainer = findViewById(R.id.secondary_field_container); mExtraConfigurationsContainer = findViewById(R.id.extra_configurations_container); mTabTypeName = (TextView) findViewById(R.id.tab_type_name); mEditTabName = (EditText) findViewById(R.id.tab_name); mSecondaryFieldLabel = (TextView) findViewById(R.id.secondary_field_label); mTabIconSpinner = (Spinner) findViewById(R.id.tab_icon_spinner); mAccountSpinner = (Spinner) findViewById(R.id.account_spinner); mExtraConfigurationsContent = (LinearLayout) findViewById(R.id.extra_configurations_content); } public void setExtraFieldSelectText(final View view, final int text) { final TextView text1 = (TextView) view.findViewById(android.R.id.text1); final TextView text2 = (TextView) view.findViewById(android.R.id.text2); final ImageView icon = (ImageView) view.findViewById(android.R.id.icon); text1.setVisibility(View.VISIBLE); text2.setVisibility(View.GONE); icon.setVisibility(View.GONE); text1.setText(text); } public void setExtraFieldView(final View view, final Object value) { final TextView text1 = (TextView) view.findViewById(android.R.id.text1); final TextView text2 = (TextView) view.findViewById(android.R.id.text2); final ImageView icon = (ImageView) view.findViewById(android.R.id.icon); final boolean displayProfileImage = mPreferences.getBoolean(KEY_DISPLAY_PROFILE_IMAGE, true); final boolean displayName = mPreferences.getBoolean(KEY_NAME_FIRST, true); text1.setVisibility(View.VISIBLE); text2.setVisibility(View.VISIBLE); icon.setVisibility(displayProfileImage ? View.VISIBLE : View.GONE); if (value instanceof ParcelableUser) { final ParcelableUser user = (ParcelableUser) value; text1.setText(getUserNickname(this, user.id, user.name)); text2.setText("@" + user.screen_name); if (displayProfileImage) { mImageLoader.displayProfileImage(icon, user.profile_image_url); } } else if (value instanceof ParcelableUserList) { final ParcelableUserList user_list = (ParcelableUserList) value; final String created_by; if (displayName) { created_by = "@" + user_list.user_screen_name; } else { created_by = getUserNickname(this, user_list.user_id, user_list.user_name); } text1.setText(user_list.name); text2.setText(getString(R.string.created_by, created_by)); if (displayProfileImage) { mImageLoader.displayProfileImage(icon, user_list.user_profile_image_url); } } else if (value instanceof CharSequence) { text2.setVisibility(View.GONE); icon.setVisibility(View.GONE); text1.setText((CharSequence) value); } } public void setSecondaryFieldValue(final Object value) { mSecondaryFieldValue = value; setExtraFieldView(mSecondaryFieldContainer, value); } @Override protected void onActivityResult(final int requestCode, final int resultCode, final Intent data) { if (resultCode != RESULT_OK) return; switch (requestCode) { case REQUEST_SELECT_USER: { setSecondaryFieldValue(data.getParcelableExtra(EXTRA_USER)); break; } case REQUEST_SELECT_USER_LIST: { setSecondaryFieldValue(data.getParcelableExtra(EXTRA_USER_LIST)); break; } } } @Override protected void onCreate(final Bundle savedInstanceState) { super.onCreate(savedInstanceState); mPreferences = getSharedPreferences(SHARED_PREFERENCES_NAME, MODE_PRIVATE); mImageLoader = FiretweetApplication.getInstance(this).getMediaLoaderWrapper(); final Intent intent = getIntent(); final String type = mTabType = intent.getStringExtra(EXTRA_TYPE); final CustomTabConfiguration conf = getTabConfiguration(type); if (type == null || conf == null) { finish(); return; } mTabId = intent.getLongExtra(EXTRA_ID, -1); setTitle(isEditMode() ? R.string.edit_tab : R.string.add_tab); setContentView(R.layout.activity_custom_tab_editor); mTabTypeName.setText(getTabTypeName(this, type)); mTabIconsAdapter = new CustomTabIconsAdapter(this); mTabIconsAdapter.setData(getIconMap()); mAccountsAdapter = new AccountsSpinnerAdapter(this); mAccountSpinner.setAdapter(mAccountsAdapter); mTabIconSpinner.setAdapter(mTabIconsAdapter); final String iconKey; if (savedInstanceState != null) { mExtrasBundle.putAll(savedInstanceState.getBundle(EXTRA_EXTRAS)); } if (!isEditMode()) { mTabConfiguration = conf; final boolean hasSecondaryField = conf .getSecondaryFieldType() != CustomTabConfiguration.FIELD_TYPE_NONE; final boolean accountIdNone = conf.getAccountRequirement() == CustomTabConfiguration.ACCOUNT_NONE; mAccountContainer.setVisibility(accountIdNone ? View.GONE : View.VISIBLE); mSecondaryFieldContainer.setVisibility(hasSecondaryField ? View.VISIBLE : View.GONE); final boolean accountIdRequired = conf .getAccountRequirement() == CustomTabConfiguration.ACCOUNT_REQUIRED; if (!accountIdRequired) { mAccountsAdapter.add(ParcelableAccount.dummyInstance()); } final boolean officialKeyOnly = intent.getBooleanExtra(EXTRA_OFFICIAL_KEY_ONLY, false); final boolean forcePrivateAPIs = intent.getBooleanExtra(KEY_FORCE_USING_PRIVATE_APIS, false); mAccountsAdapter .addAll(ParcelableAccount.getAccountsList(this, false, !forcePrivateAPIs && officialKeyOnly)); mAccountsAdapter.setDummyItemText(R.string.activated_accounts); switch (conf.getSecondaryFieldType()) { case CustomTabConfiguration.FIELD_TYPE_USER: { mSecondaryFieldLabel.setText(R.string.user); setExtraFieldSelectText(mSecondaryFieldContainer, R.string.select_user); break; } case CustomTabConfiguration.FIELD_TYPE_USER_LIST: { mSecondaryFieldLabel.setText(R.string.user_list); setExtraFieldSelectText(mSecondaryFieldContainer, R.string.select_user_list); break; } case CustomTabConfiguration.FIELD_TYPE_TEXT: { mSecondaryFieldLabel.setText(R.string.content); setExtraFieldSelectText(mSecondaryFieldContainer, R.string.input_text); break; } } if (conf.getSecondaryFieldTitle() != 0) { mSecondaryFieldLabel.setText(conf.getSecondaryFieldTitle()); } iconKey = findTabIconKey(conf.getDefaultIcon()); mEditTabName.setText(mTabConfiguration.getDefaultTitle()); } else { if (mTabId < 0) { finish(); return; } mAccountContainer.setVisibility(View.GONE); mSecondaryFieldContainer.setVisibility(View.GONE); iconKey = intent.getStringExtra(EXTRA_ICON); mEditTabName.setText(intent.getStringExtra(EXTRA_NAME)); if (savedInstanceState == null && intent.hasExtra(EXTRA_EXTRAS)) { mExtrasBundle.putAll(ParseUtils.jsonToBundle(intent.getStringExtra(EXTRA_EXTRAS))); } } final int selection = mTabIconsAdapter.getIconPosition(iconKey); mTabIconSpinner.setSelection(selection > 0 ? selection : 0); final LayoutInflater inflater = getLayoutInflater(); final ExtraConfiguration[] extraConfigurations = conf.getExtraConfigurations(); if (extraConfigurations == null || extraConfigurations.length == 0) { mExtraConfigurationsContainer.setVisibility(View.GONE); } else { mExtraConfigurationsContainer.setVisibility(View.VISIBLE); for (final ExtraConfiguration config : extraConfigurations) { final boolean hasCheckBox = config.getType() == ExtraConfiguration.Type.BOOLEAN; final View view = inflater.inflate(R.layout.list_item_extra_config, mExtraConfigurationsContent, false); final TextView title = (TextView) view.findViewById(android.R.id.title); final CheckBox checkBox = (CheckBox) view.findViewById(android.R.id.checkbox); title.setText(config.getTitleRes()); checkBox.setVisibility(hasCheckBox ? View.VISIBLE : View.GONE); if (hasCheckBox) { checkBox.setChecked(mExtrasBundle.getBoolean(config.getKey(), config.defaultBoolean())); } view.setTag(config); view.setOnClickListener(mOnExtraConfigurationClickListener); mExtraConfigurationsContent.addView(view); } } } @Override protected void onSaveInstanceState(final Bundle outState) { super.onSaveInstanceState(outState); outState.putBundle(EXTRA_EXTRAS, mExtrasBundle); } private void addFieldValueToArguments(final Object value, final Bundle args) { final CustomTabConfiguration conf = mTabConfiguration; if (value == null || args == null || conf == null) return; if (value instanceof ParcelableUser) { final ParcelableUser user = (ParcelableUser) value; args.putLong(EXTRA_USER_ID, user.id); args.putString(EXTRA_SCREEN_NAME, user.screen_name); args.putString(EXTRA_NAME, user.name); } else if (value instanceof ParcelableUserList) { final ParcelableUserList user_list = (ParcelableUserList) value; args.putLong(EXTRA_LIST_ID, user_list.id); args.putString(EXTRA_LIST_NAME, user_list.name); args.putLong(EXTRA_USER_ID, user_list.user_id); args.putString(EXTRA_SCREEN_NAME, user_list.user_screen_name); } else if (value instanceof CharSequence) { final String key = conf.getSecondaryFieldTextKey(); args.putString(TextUtils.isEmpty(key) ? EXTRA_TEXT : key, value.toString()); } } private void addSecondaryFieldValueToArguments(final Bundle args) { final Object value = mSecondaryFieldValue; addFieldValueToArguments(value, args); } private long getAccountId() { final int pos = mAccountSpinner.getSelectedItemPosition(); if (mAccountSpinner.getCount() > pos && pos >= 0) return mAccountsAdapter.getItem(pos).account_id; return -1; } private String getIconKey() { final int pos = mTabIconSpinner.getSelectedItemPosition(); if (mTabIconsAdapter.getCount() > pos && pos >= 0) return mTabIconsAdapter.getItem(pos).getKey(); return null; } private boolean isEditMode() { return INTENT_ACTION_EDIT_TAB.equals(getIntent().getAction()); } public static class SecondaryFieldEditTextDialogFragment extends BaseSupportDialogFragment implements DialogInterface.OnClickListener { private static final String FRAGMENT_TAG_EDIT_SECONDARY_FIELD = "edit_secondary_field"; private EditText mEditText; @Override public void onClick(final DialogInterface dialog, final int which) { final FragmentActivity activity = getActivity(); if (activity instanceof CustomTabEditorActivity) { ((CustomTabEditorActivity) activity) .setSecondaryFieldValue(ParseUtils.parseString(mEditText.getText())); } } @NonNull @Override public Dialog onCreateDialog(final Bundle savedInstanceState) { final Bundle args = getArguments(); final Context wrapped = ThemeUtils.getDialogThemedContext(getActivity()); final AlertDialog.Builder builder = new AlertDialog.Builder(wrapped); builder.setTitle(args.getString(EXTRA_TITLE)); builder.setPositiveButton(android.R.string.ok, this); builder.setNegativeButton(android.R.string.cancel, null); final FrameLayout view = new FrameLayout(getActivity()); mEditText = new EditText(getActivity()); final FrameLayout.LayoutParams lp = new FrameLayout.LayoutParams(FrameLayout.LayoutParams.MATCH_PARENT, FrameLayout.LayoutParams.WRAP_CONTENT); lp.leftMargin = lp.topMargin = lp.bottomMargin = lp.rightMargin = getResources() .getDimensionPixelSize(R.dimen.element_spacing_normal); view.addView(mEditText, lp); builder.setView(view); mEditText.setText(args.getString(EXTRA_TEXT)); return builder.create(); } public static SecondaryFieldEditTextDialogFragment show(final FragmentActivity activity, final String text, final String title) { final SecondaryFieldEditTextDialogFragment f = new SecondaryFieldEditTextDialogFragment(); final Bundle args = new Bundle(); args.putString(EXTRA_TEXT, text); args.putString(EXTRA_TITLE, title); f.setArguments(args); f.show(activity.getSupportFragmentManager(), FRAGMENT_TAG_EDIT_SECONDARY_FIELD); return f; } } static class CustomTabIconsAdapter extends ArrayAdapter<Entry<String, Integer>> { private final Resources mResources; private final int mIconColor; public CustomTabIconsAdapter(final Context context) { super(context, R.layout.spinner_item_custom_tab_icon); setDropDownViewResource(R.layout.list_item_two_line_small); mResources = context.getResources(); mIconColor = ThemeUtils.getThemeForegroundColor(context); } @Override public View getDropDownView(final int position, final View convertView, final ViewGroup parent) { final View view = super.getDropDownView(position, convertView, parent); view.findViewById(android.R.id.text2).setVisibility(View.GONE); final TextView text1 = (TextView) view.findViewById(android.R.id.text1); final Entry<String, Integer> item = getItem(position); final int value = item.getValue(); if (value > 0) { final String key = item.getKey(); text1.setText(key.substring(0, 1).toUpperCase(Locale.US) + key.substring(1, key.length())); } else { text1.setText(R.string.customize); } bindIconView(position, item, view); return view; } public int getIconPosition(final String key) { if (key == null) return -1; for (int i = 0, j = getCount(); i < j; i++) { if (key.equals(getItem(i).getKey())) return i; } return -1; } @Override public View getView(final int position, final View convertView, final ViewGroup parent) { final View view = super.getView(position, convertView, parent); bindIconView(position, getItem(position), view); return view; } public void setData(final Map<String, Integer> map) { clear(); if (map == null) return; addAll(map.entrySet()); sort(new LocationComparator(mResources)); } private void bindIconView(final int position, final Entry<String, Integer> item, final View view) { final ImageView icon = (ImageView) view.findViewById(android.R.id.icon); icon.setColorFilter(mIconColor, Mode.SRC_ATOP); final int value = item.getValue(); if (value > 0) { icon.setImageResource(item.getValue()); } else { icon.setImageDrawable(null); } } private static class LocationComparator implements Comparator<Entry<String, Integer>> { private final Collator mCollator; LocationComparator(final Resources res) { mCollator = Collator.getInstance(res.getConfiguration().locale); } @Override public int compare(final Entry<String, Integer> object1, final Entry<String, Integer> object2) { if (object1.getValue() <= 0) return Integer.MAX_VALUE; if (object2.getValue() <= 0) return Integer.MIN_VALUE; return mCollator.compare(object1.getKey(), object2.getKey()); } } } }