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 org.lol.reddit.activities; import android.content.DialogInterface; import android.os.Bundle; import android.view.KeyEvent; import android.widget.ScrollView; import com.actionbarsherlock.view.Menu; import com.actionbarsherlock.view.MenuItem; import org.apache.http.StatusLine; import org.holoeverywhere.app.Activity; import org.holoeverywhere.app.ProgressDialog; import org.holoeverywhere.widget.EditText; import org.holoeverywhere.widget.LinearLayout; import org.lol.reddit.R; import org.lol.reddit.account.RedditAccount; import org.lol.reddit.account.RedditAccountManager; import org.lol.reddit.cache.CacheManager; import org.lol.reddit.cache.RequestFailureType; import org.lol.reddit.common.General; import org.lol.reddit.common.PrefsUtility; import org.lol.reddit.common.RRError; import org.lol.reddit.fragments.MarkdownPreviewDialog; import org.lol.reddit.reddit.APIResponseHandler; import org.lol.reddit.reddit.RedditAPI; public class CommentEditActivity extends Activity { private EditText textEdit; private String commentIdAndType = null; @Override protected void onCreate(Bundle savedInstanceState) { PrefsUtility.applyTheme(this); super.onCreate(savedInstanceState); final LinearLayout layout = (LinearLayout) getLayoutInflater().inflate(R.layout.comment_edit); textEdit = (EditText) layout.findViewById(R.id.comment_reply_text); if (getIntent() != null && getIntent().hasExtra("commentIdAndType")) { commentIdAndType = getIntent().getStringExtra("commentIdAndType"); textEdit.setText(getIntent().getStringExtra("commentText")); } else if (savedInstanceState != null && savedInstanceState.containsKey("commentIdAndType")) { textEdit.setText(savedInstanceState.getString("commentText")); commentIdAndType = savedInstanceState.getString("commentIdAndType"); } final ScrollView sv = new ScrollView(this); sv.addView(layout); setContentView(sv); } @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); outState.putString("commentText", textEdit.getText().toString()); outState.putString("commentIdAndType", commentIdAndType); } @Override public boolean onCreateOptionsMenu(Menu menu) { final MenuItem send = menu.add(R.string.comment_edit_save); send.setIcon(R.drawable.ic_action_save_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_edit_save))) { 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(CommentEditActivity.this, 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(CommentEditActivity.this, R.string.comment_reply_oncancel); progressDialog.dismiss(); } return true; } }); final APIResponseHandler.ActionResponseHandler handler = new APIResponseHandler.ActionResponseHandler( this) { @Override protected void onSuccess() { General.UI_THREAD_HANDLER.post(new Runnable() { public void run() { if (progressDialog.isShowing()) progressDialog.dismiss(); General.quickToast(CommentEditActivity.this, R.string.comment_edit_done); finish(); } }); } @Override protected void onCallbackException(Throwable t) { BugReportActivity.handleGlobalError(CommentEditActivity.this, t); } @Override protected void onFailure(RequestFailureType type, Throwable t, StatusLine status, String readableMessage) { final RRError error = General.getGeneralErrorForFailure(context, type, t, status, null); General.UI_THREAD_HANDLER.post(new Runnable() { public void run() { General.showResultDialog(CommentEditActivity.this, error); if (progressDialog.isShowing()) progressDialog.dismiss(); } }); } @Override protected void onFailure(final APIFailureType type) { final RRError error = General.getGeneralErrorForFailure(context, type); General.UI_THREAD_HANDLER.post(new Runnable() { public void run() { General.showResultDialog(CommentEditActivity.this, error); if (progressDialog.isShowing()) progressDialog.dismiss(); } }); } }; final CacheManager cm = CacheManager.getInstance(this); final RedditAccount selectedAccount = RedditAccountManager.getInstance(this).getDefaultAccount(); RedditAPI.editComment(cm, handler, selectedAccount, commentIdAndType, 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 public void onBackPressed() { if (General.onBackPressed()) super.onBackPressed(); } }