Java tutorial
/******************************************************************************* * This file is part of RedReader. * * RedReader 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. * * RedReader 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 RedReader. If not, see <http://www.gnu.org/licenses/>. ******************************************************************************/ package com.ryan.ryanreader.activities; import android.content.DialogInterface; import android.os.Bundle; import android.os.Handler; import android.os.Looper; import android.view.KeyEvent; import android.widget.ScrollView; import com.actionbarsherlock.view.Menu; import com.actionbarsherlock.view.MenuItem; import com.ryan.ryanreader.account.RedditAccount; import com.ryan.ryanreader.account.RedditAccountManager; import com.ryan.ryanreader.cache.CacheManager; import com.ryan.ryanreader.cache.RequestFailureType; import com.ryan.ryanreader.common.General; import com.ryan.ryanreader.common.PrefsUtility; import com.ryan.ryanreader.common.RRError; import com.ryan.ryanreader.fragments.MarkdownPreviewDialog; import com.ryan.ryanreader.reddit.APIResponseHandler; import com.ryan.ryanreader.reddit.RedditAPI; import org.apache.http.StatusLine; import org.holoeverywhere.widget.ArrayAdapter;// import org.holoeverywhere.app.Activity; import org.holoeverywhere.app.ProgressDialog; import org.holoeverywhere.widget.EditText; import org.holoeverywhere.widget.LinearLayout; import org.holoeverywhere.widget.Spinner; import com.ryan.ryanreader.R; import java.util.ArrayList; public class CommentReplyActivity extends Activity { private Spinner usernameSpinner; private EditText textEdit; private String parentIdAndType = null; private static String lastText, lastParentIdAndType; @Override protected void onCreate(Bundle savedInstanceState) { PrefsUtility.applyTheme(this); super.onCreate(savedInstanceState); final LinearLayout layout = (LinearLayout) getLayoutInflater().inflate(R.layout.comment_reply); usernameSpinner = (Spinner) layout.findViewById(R.id.comment_reply_username); textEdit = (EditText) layout.findViewById(R.id.comment_reply_text); if (getIntent() != null && getIntent().hasExtra("parentIdAndType")) { parentIdAndType = getIntent().getStringExtra("parentIdAndType"); } else if (savedInstanceState != null && savedInstanceState.containsKey("comment_text")) { textEdit.setText(savedInstanceState.getString("comment_text")); parentIdAndType = savedInstanceState.getString("parentIdAndType"); } else if (lastText != null) { textEdit.setText(lastText); parentIdAndType = lastParentIdAndType; } final ArrayList<RedditAccount> accounts = RedditAccountManager.getInstance(this).getAccounts(); final ArrayList<String> usernames = new ArrayList<String>(); for (RedditAccount account : accounts) { if (!account.isAnonymous()) { usernames.add(account.username); } } if (usernames.size() == 0) { General.quickToast(this, "You must be logged in to do that."); finish(); } usernameSpinner.setAdapter(new ArrayAdapter<String>(this, android.R.layout.simple_list_item_1, usernames)); final ScrollView sv = new ScrollView(this); sv.addView(layout); setContentView(sv); } @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putString("comment_text", textEdit.getText().toString()); outState.putString("parentIdAndType", parentIdAndType); } @Override public boolean onCreateOptionsMenu(Menu menu) { final MenuItem send = menu.add(R.string.comment_reply_send); send.setIcon(R.drawable.ic_action_send_dark); send.setShowAsAction(MenuItem.SHOW_AS_ACTION_ALWAYS); menu.add(R.string.comment_reply_preview); return true; } @Override public boolean onOptionsItemSelected(MenuItem item) { if (item.getTitle().equals(getString(R.string.comment_reply_send))) { final ProgressDialog progressDialog = new ProgressDialog(this); progressDialog.setTitle(getString(R.string.comment_reply_submitting_title)); progressDialog.setMessage(getString(R.string.comment_reply_submitting_message)); progressDialog.setIndeterminate(true); progressDialog.setCancelable(true); progressDialog.setCanceledOnTouchOutside(false); progressDialog.setOnCancelListener(new DialogInterface.OnCancelListener() { public void onCancel(final DialogInterface dialogInterface) { General.quickToast(CommentReplyActivity.this, getString(R.string.comment_reply_oncancel)); progressDialog.dismiss(); } }); progressDialog.setOnKeyListener(new DialogInterface.OnKeyListener() { public boolean onKey(final DialogInterface dialogInterface, final int keyCode, final KeyEvent keyEvent) { if (keyCode == KeyEvent.KEYCODE_BACK) { General.quickToast(CommentReplyActivity.this, getString(R.string.comment_reply_oncancel)); progressDialog.dismiss(); } return true; } }); final APIResponseHandler.ActionResponseHandler handler = new APIResponseHandler.ActionResponseHandler( this) { @Override protected void onSuccess() { new Handler(Looper.getMainLooper()).post(new Runnable() { public void run() { if (progressDialog.isShowing()) progressDialog.dismiss(); General.quickToast(CommentReplyActivity.this, getString(R.string.comment_reply_done)); finish(); } }); } @Override protected void onCallbackException(Throwable t) { BugReportActivity.handleGlobalError(CommentReplyActivity.this, t); } @Override protected void onFailure(RequestFailureType type, Throwable t, StatusLine status, String readableMessage) { final RRError error = General.getGeneralErrorForFailure(context, type, t, status); new Handler(Looper.getMainLooper()).post(new Runnable() { public void run() { General.showResultDialog(CommentReplyActivity.this, error); if (progressDialog.isShowing()) progressDialog.dismiss(); } }); } @Override protected void onFailure(final APIFailureType type) { final RRError error = General.getGeneralErrorForFailure(context, type); new Handler(Looper.getMainLooper()).post(new Runnable() { public void run() { General.showResultDialog(CommentReplyActivity.this, error); if (progressDialog.isShowing()) progressDialog.dismiss(); } }); } }; final CacheManager cm = CacheManager.getInstance(this); final ArrayList<RedditAccount> accounts = RedditAccountManager.getInstance(this).getAccounts(); RedditAccount selectedAccount = null; for (RedditAccount account : accounts) { if (!account.isAnonymous() && account.username.equalsIgnoreCase((String) usernameSpinner.getSelectedItem())) { selectedAccount = account; break; } } RedditAPI.comment(cm, handler, selectedAccount, parentIdAndType, textEdit.getText().toString(), this); progressDialog.show(); } else if (item.getTitle().equals(getString(R.string.comment_reply_preview))) { MarkdownPreviewDialog.newInstance(textEdit.getText().toString()).show(getSupportFragmentManager()); } return true; } @Override protected void onDestroy() { super.onDestroy(); if (textEdit != null) { lastText = textEdit.getText().toString(); lastParentIdAndType = parentIdAndType; } } }