Java tutorial
/* * Twidere - 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.mariotaku.twidere.activity.support; import static android.text.TextUtils.isEmpty; import static org.mariotaku.twidere.util.Utils.createPickImageIntent; import static org.mariotaku.twidere.util.Utils.createTakePhotoIntent; import static org.mariotaku.twidere.util.Utils.isMyAccount; import static org.mariotaku.twidere.util.Utils.showErrorMessage; import android.content.BroadcastReceiver; import android.content.Context; import android.content.Intent; import android.content.IntentFilter; import android.net.Uri; import android.os.Bundle; import android.support.v4.app.LoaderManager; import android.support.v4.app.LoaderManager.LoaderCallbacks; import android.support.v4.content.Loader; import android.text.Editable; import android.text.TextWatcher; import android.util.Log; import android.view.Menu; import android.view.MenuItem; import android.view.MenuItem.OnMenuItemClickListener; import android.view.View; import android.view.View.OnClickListener; import android.view.Window; import android.widget.EditText; import android.widget.ImageView; import android.widget.Toast; import de.keyboardsurfer.android.widget.crouton.Crouton; import de.keyboardsurfer.android.widget.crouton.CroutonLifecycleCallback; import de.keyboardsurfer.android.widget.crouton.CroutonStyle; import org.mariotaku.menucomponent.widget.PopupMenu; import org.mariotaku.twidere.R; import org.mariotaku.twidere.app.TwidereApplication; import org.mariotaku.twidere.loader.support.ParcelableUserLoader; import org.mariotaku.twidere.model.ParcelableUser; import org.mariotaku.twidere.model.SingleResponse; import org.mariotaku.twidere.task.AsyncTask; import org.mariotaku.twidere.task.AsyncTask.Status; import org.mariotaku.twidere.util.AsyncTaskManager; import org.mariotaku.twidere.util.AsyncTwitterWrapper.UpdateProfileBannerImageTask; import org.mariotaku.twidere.util.AsyncTwitterWrapper.UpdateProfileImageTask; import org.mariotaku.twidere.util.AsyncTwitterWrapper.UpdateProfileTask; import org.mariotaku.twidere.util.ImageLoaderWrapper; import org.mariotaku.twidere.util.ParseUtils; import org.mariotaku.twidere.util.TwitterWrapper; import org.mariotaku.twidere.view.ProfileImageBannerLayout; import org.mariotaku.twidere.view.ProfileImageView; import org.mariotaku.twidere.view.iface.IExtendedView.OnSizeChangedListener; import java.io.File; public class UserProfileEditorActivity extends BaseSupportActivity implements OnSizeChangedListener, TextWatcher, OnClickListener, CroutonLifecycleCallback, LoaderCallbacks<SingleResponse<ParcelableUser>> { private static final int LOADER_ID_USER = 1; private static final int REQUEST_UPLOAD_PROFILE_IMAGE = 1; private static final int REQUEST_UPLOAD_PROFILE_BANNER_IMAGE = 2; private ImageLoaderWrapper mLazyImageLoader; private AsyncTaskManager mAsyncTaskManager; private AsyncTask<Void, Void, ?> mTask; private ProfileImageBannerLayout mProfileImageBannerLayout; private ProfileImageView mProfileImageView; private ImageView mProfileBannerView; private EditText mEditName, mEditDescription, mEditLocation, mEditUrl; private View mProgress, mContent; private PopupMenu mPopupMenu; private boolean mBackPressed; private long mAccountId; private int mBannerWidth; private ParcelableUser mUser; private boolean mUserInfoLoaderInitialized; private boolean mGetUserInfoCalled; private final BroadcastReceiver mStatusReceiver = new BroadcastReceiver() { @Override public void onReceive(final Context context, final Intent intent) { final String action = intent.getAction(); if (BROADCAST_PROFILE_UPDATED.equals(action)) { if (mUser == null || intent.getLongExtra(EXTRA_USER_ID, -1) == mUser.id) { getUserInfo(); } } } }; private final OnMenuItemClickListener mProfileBannerImageMenuListener = new OnMenuItemClickListener() { @Override public boolean onMenuItemClick(final MenuItem item) { if (mUser == null) return false; switch (item.getItemId()) { case MENU_TAKE_PHOTO: { final Uri uri = createTempFileUri(); final Intent intent = createTakePhotoIntent(uri, null, null, 2, 1, true); startActivityForResult(intent, REQUEST_UPLOAD_PROFILE_BANNER_IMAGE); mTask = new UpdateProfileBannerImageTaskInternal(UserProfileEditorActivity.this, mAsyncTaskManager, mAccountId, uri, true); break; } case MENU_PICK_FROM_GALLERY: { final Uri uri = createTempFileUri(); final Intent intent = createPickImageIntent(uri, null, null, 2, 1, true); try { startActivityForResult(intent, REQUEST_UPLOAD_PROFILE_BANNER_IMAGE); mTask = new UpdateProfileBannerImageTaskInternal(UserProfileEditorActivity.this, mAsyncTaskManager, mAccountId, uri, true); } catch (final Exception e) { Log.w(LOGTAG, e); } break; } case MENU_DELETE: { mTask = new RemoveProfileBannerTaskInternal(mUser.account_id); mTask.execute(); break; } } return true; } }; private final OnMenuItemClickListener mProfileImageMenuListener = new OnMenuItemClickListener() { @Override public boolean onMenuItemClick(final MenuItem item) { if (mUser == null) return false; switch (item.getItemId()) { case MENU_TAKE_PHOTO: { final Uri uri = createTempFileUri(); final Intent intent = createTakePhotoIntent(uri, null, null, 1, 1, true); startActivityForResult(intent, REQUEST_UPLOAD_PROFILE_IMAGE); mTask = new UpdateProfileImageTaskInternal(UserProfileEditorActivity.this, mAsyncTaskManager, mAccountId, uri, true); break; } case MENU_PICK_FROM_GALLERY: { final Uri uri = createTempFileUri(); final Intent intent = createPickImageIntent(uri, null, null, 1, 1, true); try { startActivityForResult(intent, REQUEST_UPLOAD_PROFILE_IMAGE); mTask = new UpdateProfileImageTaskInternal(UserProfileEditorActivity.this, mAsyncTaskManager, mAccountId, uri, true); } catch (final Exception e) { Log.w(LOGTAG, e); } break; } } return true; } }; @Override public void afterTextChanged(final Editable s) { } @Override public void beforeTextChanged(final CharSequence s, final int length, final int start, final int end) { } @Override public void onBackPressed() { if (mHasUnsavedChanges() && !mBackPressed) { final CroutonStyle.Builder builder = new CroutonStyle.Builder(CroutonStyle.INFO); final Crouton crouton = Crouton.makeText(this, R.string.unsaved_change_back_pressed, builder.build()); crouton.setLifecycleCallback(this); crouton.show(); return; } super.onBackPressed(); } @Override public void onClick(final View view) { if (mUser == null) return; if (mPopupMenu != null) { mPopupMenu.dismiss(); } switch (view.getId()) { case ProfileImageBannerLayout.VIEW_ID_PROFILE_IMAGE: { mPopupMenu = PopupMenu.getInstance(this, view); mPopupMenu.inflate(R.menu.action_profile_image); mPopupMenu.setOnMenuItemClickListener(mProfileImageMenuListener); break; } case ProfileImageBannerLayout.VIEW_ID_PROFILE_BANNER: { mPopupMenu = PopupMenu.getInstance(this, view); mPopupMenu.inflate(R.menu.action_profile_banner_image); final Menu menu = mPopupMenu.getMenu(); final MenuItem delete_submenu = menu.findItem(MENU_DELETE_SUBMENU); final boolean has_profile_banner = !isEmpty(mUser.profile_banner_url); delete_submenu.setVisible(has_profile_banner); delete_submenu.setEnabled(has_profile_banner); mPopupMenu.setOnMenuItemClickListener(mProfileBannerImageMenuListener); break; } default: { return; } } mPopupMenu.show(); } @Override public void onContentChanged() { super.onContentChanged(); mProgress = findViewById(R.id.progress); mContent = findViewById(R.id.content); mProfileImageBannerLayout = (ProfileImageBannerLayout) findViewById(R.id.profile_image_banner); mProfileBannerView = mProfileImageBannerLayout.getProfileBannerImageView(); mProfileImageView = mProfileImageBannerLayout.getProfileImageView(); mEditName = (EditText) findViewById(R.id.name); mEditDescription = (EditText) findViewById(R.id.description); mEditLocation = (EditText) findViewById(R.id.location); mEditUrl = (EditText) findViewById(R.id.url); } @Override public Loader<SingleResponse<ParcelableUser>> onCreateLoader(final int id, final Bundle args) { mProgress.setVisibility(View.VISIBLE); mContent.setVisibility(View.GONE); setProgressBarIndeterminateVisibility(true); return new ParcelableUserLoader(UserProfileEditorActivity.this, mAccountId, mAccountId, null, getIntent().getExtras(), false, false); } @Override public boolean onCreateOptionsMenu(final Menu menu) { getMenuInflater().inflate(R.menu.menu_edit_user_profile, menu); return super.onCreateOptionsMenu(menu); } @Override public void onDisplayed() { mBackPressed = true; } @Override public void onLoaderReset(final Loader<SingleResponse<ParcelableUser>> loader) { } @Override public void onLoadFinished(final Loader<SingleResponse<ParcelableUser>> loader, final SingleResponse<ParcelableUser> data) { if (data.data != null && data.data.id > 0) { displayUser(data.data); } else if (mUser == null) { finish(); } setProgressBarIndeterminateVisibility(false); } @Override public boolean onOptionsItemSelected(final MenuItem item) { switch (item.getItemId()) { case MENU_HOME: { onBackPressed(); break; } case MENU_SAVE: { final String name = ParseUtils.parseString(mEditName.getText()); final String url = ParseUtils.parseString(mEditUrl.getText()); final String location = ParseUtils.parseString(mEditLocation.getText()); final String description = ParseUtils.parseString(mEditDescription.getText()); mTask = new UpdateProfileTaskInternal(this, mAsyncTaskManager, mAccountId, name, url, location, description); mTask.execute(); return true; } } return super.onOptionsItemSelected(item); } @Override public boolean onPrepareOptionsMenu(final Menu menu) { final MenuItem save = menu.findItem(MENU_SAVE); if (save != null) { save.setEnabled( mHasUnsavedChanges() && (mTask == null || mTask.getStatus() != AsyncTask.Status.RUNNING)); } return super.onPrepareOptionsMenu(menu); } @Override public void onRemoved() { mBackPressed = false; } @Override public void onSizeChanged(final View view, final int w, final int h, final int oldw, final int oldh) { } @Override public void onTextChanged(final CharSequence s, final int length, final int start, final int end) { invalidateOptionsMenu(); } @Override protected void onActivityResult(final int requestCode, final int resultCode, final Intent data) { if (resultCode == RESULT_CANCELED) return; if (mTask == null || mTask.getStatus() != Status.PENDING) return; switch (requestCode) { case REQUEST_UPLOAD_PROFILE_BANNER_IMAGE: { mTask.execute(); break; } case REQUEST_UPLOAD_PROFILE_IMAGE: { mTask.execute(); break; } } } @Override protected void onCreate(final Bundle savedInstanceState) { requestWindowFeature(Window.FEATURE_INDETERMINATE_PROGRESS); super.onCreate(savedInstanceState); final Intent intent = getIntent(); final long accountId = intent.getLongExtra(EXTRA_ACCOUNT_ID, -1); if (!isMyAccount(this, accountId)) { finish(); return; } mAsyncTaskManager = TwidereApplication.getInstance(this).getAsyncTaskManager(); mLazyImageLoader = TwidereApplication.getInstance(this).getImageLoaderWrapper(); mAccountId = accountId; setContentView(R.layout.edit_user_profile); // setOverrideExitAniamtion(false); getActionBar().setDisplayHomeAsUpEnabled(true); mProfileImageBannerLayout.setOnSizeChangedListener(this); mEditName.addTextChangedListener(this); mEditDescription.addTextChangedListener(this); mEditLocation.addTextChangedListener(this); mEditUrl.addTextChangedListener(this); mProfileImageView.setOnClickListener(this); mProfileBannerView.setOnClickListener(this); if (savedInstanceState != null && savedInstanceState.getParcelable(EXTRA_USER) != null) { final ParcelableUser user = savedInstanceState.getParcelable(EXTRA_USER); displayUser(user); mEditName.setText(savedInstanceState.getString(EXTRA_NAME, user.name)); mEditLocation.setText(savedInstanceState.getString(EXTRA_LOCATION, user.location)); mEditDescription.setText(savedInstanceState.getString(EXTRA_DESCRIPTION, user.description_expanded)); mEditUrl.setText(savedInstanceState.getString(EXTRA_URL, user.url_expanded)); } else { getUserInfo(); } } @Override protected void onSaveInstanceState(final Bundle outState) { super.onSaveInstanceState(outState); outState.putParcelable(EXTRA_USER, mUser); outState.putString(EXTRA_NAME, ParseUtils.parseString(mEditName.getText())); outState.putString(EXTRA_DESCRIPTION, ParseUtils.parseString(mEditDescription.getText())); outState.putString(EXTRA_LOCATION, ParseUtils.parseString(mEditLocation.getText())); outState.putString(EXTRA_URL, ParseUtils.parseString(mEditUrl.getText())); } @Override protected void onStart() { super.onStart(); final IntentFilter filter = new IntentFilter(BROADCAST_PROFILE_UPDATED); registerReceiver(mStatusReceiver, filter); } @Override protected void onStop() { unregisterReceiver(mStatusReceiver); super.onStop(); } private Uri createTempFileUri() { final File cache_dir = getExternalCacheDir(); final File file = new File(cache_dir, "tmp_image_" + System.currentTimeMillis()); return Uri.fromFile(file); } private void displayUser(final ParcelableUser user) { if (!mGetUserInfoCalled) return; mGetUserInfoCalled = false; mUser = user; if (user != null && user.id > 0) { mProgress.setVisibility(View.GONE); mContent.setVisibility(View.VISIBLE); mEditName.setText(user.name); mEditDescription.setText(user.description_expanded); mEditLocation.setText(user.location); mEditUrl.setText(isEmpty(user.url_expanded) ? user.url : user.url_expanded); mLazyImageLoader.displayProfileImage(mProfileImageView, user.profile_image_url); final int def_width = getResources().getDisplayMetrics().widthPixels; final int width = mBannerWidth > 0 ? mBannerWidth : def_width; mLazyImageLoader.displayProfileBanner(mProfileBannerView, user.profile_banner_url, width); } else { mProgress.setVisibility(View.GONE); mContent.setVisibility(View.GONE); } } private void getUserInfo() { final LoaderManager lm = getSupportLoaderManager(); lm.destroyLoader(LOADER_ID_USER); mGetUserInfoCalled = true; if (mUserInfoLoaderInitialized) { lm.restartLoader(LOADER_ID_USER, null, this); } else { lm.initLoader(LOADER_ID_USER, null, this); mUserInfoLoaderInitialized = true; } } private void setUpdateState(final boolean start) { setProgressBarIndeterminateVisibility(start); mEditName.setEnabled(!start); mEditDescription.setEnabled(!start); mEditLocation.setEnabled(!start); mEditUrl.setEnabled(!start); mProfileImageView.setEnabled(!start); mProfileImageView.setOnClickListener(start ? null : this); mProfileBannerView.setEnabled(!start); mProfileBannerView.setOnClickListener(start ? null : this); invalidateOptionsMenu(); } boolean mHasUnsavedChanges() { if (mUser == null) return false; return !stringEquals(mEditName.getText(), mUser.name) || !stringEquals(mEditDescription.getText(), mUser.description_expanded) || !stringEquals(mEditLocation.getText(), mUser.location) || !stringEquals(mEditUrl.getText(), isEmpty(mUser.url_expanded) ? mUser.url : mUser.url_expanded); } private static boolean stringEquals(final CharSequence str1, final CharSequence str2) { if (str1 == null || str2 == null) return str1 == str2; return str1.toString().equals(str2.toString()); } private class UpdateProfileBannerImageTaskInternal extends UpdateProfileBannerImageTask { public UpdateProfileBannerImageTaskInternal(final Context context, final AsyncTaskManager manager, final long account_id, final Uri image_uri, final boolean delete_image) { super(context, manager, account_id, image_uri, delete_image); } @Override protected void onPostExecute(final SingleResponse<Boolean> result) { super.onPostExecute(result); setUpdateState(false); getUserInfo(); } @Override protected void onPreExecute() { super.onPreExecute(); setUpdateState(true); } } private class UpdateProfileImageTaskInternal extends UpdateProfileImageTask { public UpdateProfileImageTaskInternal(final Context context, final AsyncTaskManager manager, final long account_id, final Uri image_uri, final boolean delete_image) { super(context, manager, account_id, image_uri, delete_image); } @Override protected void onPostExecute(final SingleResponse<ParcelableUser> result) { super.onPostExecute(result); if (result != null && result.data != null) { displayUser(result.data); } setUpdateState(false); } @Override protected void onPreExecute() { super.onPreExecute(); setUpdateState(true); } } class RemoveProfileBannerTaskInternal extends AsyncTask<Void, Void, SingleResponse<Boolean>> { private final long account_id; RemoveProfileBannerTaskInternal(final long account_id) { this.account_id = account_id; } @Override protected SingleResponse<Boolean> doInBackground(final Void... params) { return TwitterWrapper.deleteProfileBannerImage(UserProfileEditorActivity.this, account_id); } @Override protected void onPostExecute(final SingleResponse<Boolean> result) { super.onPostExecute(result); if (result.data != null && result.data) { getUserInfo(); Toast.makeText(UserProfileEditorActivity.this, R.string.profile_banner_image_updated, Toast.LENGTH_SHORT).show(); } else { showErrorMessage(UserProfileEditorActivity.this, R.string.action_removing_profile_banner_image, result.exception, true); } setUpdateState(false); } @Override protected void onPreExecute() { super.onPreExecute(); setUpdateState(true); } } class UpdateProfileTaskInternal extends UpdateProfileTask { public UpdateProfileTaskInternal(final Context context, final AsyncTaskManager manager, final long account_id, final String name, final String url, final String location, final String description) { super(context, manager, account_id, name, url, location, description); } @Override protected void onPostExecute(final SingleResponse<ParcelableUser> result) { super.onPostExecute(result); if (result != null && result.data != null) { mGetUserInfoCalled = true; displayUser(result.data); } setUpdateState(false); } @Override protected void onPreExecute() { super.onPreExecute(); setUpdateState(true); } } }