Java tutorial
/* * Copyright (c) 2015 IRCCloud, Ltd. * * 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.irccloud.android.activity; import android.app.ActivityManager; import android.content.Intent; import android.content.SharedPreferences; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.Typeface; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.support.v4.app.FragmentActivity; import android.support.v4.content.res.ResourcesCompat; import android.view.View; import android.view.Window; import android.widget.LinearLayout; import android.widget.ProgressBar; import android.widget.TextView; import android.widget.Toast; import com.irccloud.android.ColorScheme; import com.irccloud.android.IRCCloudApplication; import com.irccloud.android.IRCCloudJSONObject; import com.irccloud.android.NetworkConnection; import com.irccloud.android.R; import com.irccloud.android.data.model.Buffer; import com.irccloud.android.fragment.BuffersListFragment; import java.util.Timer; import java.util.TimerTask; public class ShareChooserActivity extends FragmentActivity implements NetworkConnection.IRCEventHandler, BuffersListFragment.OnBufferSelectedListener { private TextView errorMsg = null; private TextView connectingMsg = null; private ProgressBar progressBar = null; private static Timer countdownTimer = null; private TimerTask countdownTimerTask = null; private String error = null; private View connecting = null; private View buffersList = null; private NetworkConnection conn = null; private Uri mUri = null; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); countdownTimer = new Timer("share-chooser-countdown-timer"); setTheme(ColorScheme.getDialogTheme(ColorScheme.getUserTheme())); ColorScheme.getInstance().setThemeFromContext(this, ColorScheme.getUserTheme()); if (Build.VERSION.SDK_INT >= 21) { Bitmap cloud = BitmapFactory.decodeResource(getResources(), R.drawable.splash_logo); setTaskDescription(new ActivityManager.TaskDescription(getResources().getString(R.string.app_name), cloud, ColorScheme.getInstance().navBarColor)); getWindow().setStatusBarColor(ColorScheme.getInstance().statusBarColor); getWindow().setNavigationBarColor(getResources().getColor(android.R.color.black)); } getWindow().requestFeature(Window.FEATURE_NO_TITLE); setContentView(R.layout.activity_share_chooser); connecting = findViewById(R.id.connecting); errorMsg = findViewById(R.id.errorMsg); connectingMsg = findViewById(R.id.connectingMsg); progressBar = findViewById(R.id.connectingProgress); BuffersListFragment f = (BuffersListFragment) getSupportFragmentManager() .findFragmentById(R.id.BuffersList); f.readOnly = true; f.setSelectedBid(-2); buffersList = f.getView(); buffersList.setVisibility(View.GONE); Typeface SourceSansProRegular = ResourcesCompat .getFont(IRCCloudApplication.getInstance().getApplicationContext(), R.font.sourcesansproregular); LinearLayout IRCCloud = findViewById(R.id.IRCCloud); for (int i = 0; i < IRCCloud.getChildCount(); i++) { View v = IRCCloud.getChildAt(i); if (v instanceof TextView) { ((TextView) v).setTypeface(SourceSansProRegular); } } conn = NetworkConnection.getInstance(); conn.addHandler(this); } @Override protected void onPause() { super.onPause(); IRCCloudApplication.getInstance().onPause(this); } @Override protected void onResume() { super.onResume(); IRCCloudApplication.getInstance().onResume(this); String session = getSharedPreferences("prefs", 0).getString("session_key", ""); if (session.length() > 0) { if (conn.getState() == NetworkConnection.STATE_DISCONNECTED || conn.getState() == NetworkConnection.STATE_DISCONNECTING) { conn.connect(); } else { connecting.setVisibility(View.GONE); buffersList.setVisibility(View.VISIBLE); } if (getIntent() != null && getIntent().hasExtra(Intent.EXTRA_STREAM)) { mUri = MainActivity.makeTempCopy((Uri) getIntent().getParcelableExtra(Intent.EXTRA_STREAM), this); } else { mUri = null; } if (getIntent() != null && getIntent().hasExtra("bid")) { onBufferSelected(getIntent().getIntExtra("bid", -1)); } } else { Toast.makeText(this, "You must login to the IRCCloud app before sharing", Toast.LENGTH_SHORT).show(); finish(); } } @Override protected void onDestroy() { super.onDestroy(); if (conn != null) conn.removeHandler(this); if (countdownTimer != null) { countdownTimer.cancel(); countdownTimer = null; } } private void updateReconnecting() { if (conn.getState() == NetworkConnection.STATE_CONNECTED) { connectingMsg.setText("Loading"); } else if (conn.getState() == NetworkConnection.STATE_CONNECTING || conn.getReconnectTimestamp() > 0) { progressBar.setIndeterminate(true); if (conn.getState() == NetworkConnection.STATE_DISCONNECTED && conn.getReconnectTimestamp() > 0) { String plural = ""; int seconds = (int) ((conn.getReconnectTimestamp() - System.currentTimeMillis()) / 1000); if (seconds != 1) plural = "s"; if (seconds < 1) { connectingMsg.setText("Connecting"); errorMsg.setVisibility(View.GONE); } else { connectingMsg.setText("Reconnecting in " + seconds + " second" + plural); if (error != null) { errorMsg.setText(error); errorMsg.setVisibility(View.VISIBLE); } } if (countdownTimer != null) { if (countdownTimerTask != null) countdownTimerTask.cancel(); countdownTimerTask = new TimerTask() { public void run() { if (conn.getState() == NetworkConnection.STATE_DISCONNECTED) { runOnUiThread(new Runnable() { @Override public void run() { updateReconnecting(); } }); } } }; countdownTimer.schedule(countdownTimerTask, 1000); } } else { connectingMsg.setText("Connecting"); error = null; errorMsg.setVisibility(View.GONE); } } else { connectingMsg.setText("Offline"); progressBar.setIndeterminate(false); progressBar.setProgress(0); } } @Override public void onIRCEvent(int what, final Object obj) { switch (what) { case NetworkConnection.EVENT_DEBUG: runOnUiThread(new Runnable() { @Override public void run() { errorMsg.setVisibility(View.VISIBLE); errorMsg.setText(obj.toString()); } }); break; case NetworkConnection.EVENT_PROGRESS: final float progress = (Float) obj; runOnUiThread(new Runnable() { @Override public void run() { if (progressBar.getProgress() < progress) { progressBar.setIndeterminate(false); progressBar.setProgress((int) progress); } } }); break; case NetworkConnection.EVENT_BACKLOG_START: runOnUiThread(new Runnable() { @Override public void run() { progressBar.setProgress(0); } }); break; case NetworkConnection.EVENT_BACKLOG_END: runOnUiThread(new Runnable() { @Override public void run() { connecting.setVisibility(View.GONE); buffersList.setVisibility(View.VISIBLE); } }); break; case NetworkConnection.EVENT_CONNECTIVITY: runOnUiThread(new Runnable() { @Override public void run() { updateReconnecting(); } }); break; } } @Override public void onIRCRequestSucceeded(int reqid, IRCCloudJSONObject object) { } @Override public void onIRCRequestFailed(int reqid, final IRCCloudJSONObject o) { runOnUiThread(new Runnable() { @Override public void run() { try { error = o.getString("message"); if (error.equals("auth")) { conn.logout(); finish(); return; } if (error.equals("set_shard")) { conn.disconnect(); conn.ready = false; SharedPreferences.Editor editor = getSharedPreferences("prefs", 0).edit(); editor.putString("session_key", o.getString("cookie")); editor.commit(); conn.connect(); return; } if (error.equals("temp_unavailable")) error = "Your account is temporarily unavailable"; updateReconnecting(); } catch (Exception e) { NetworkConnection.printStackTraceToCrashlytics(e); } } }); } @Override public void onBufferSelected(int bid) { Intent i = new Intent(this, MainActivity.class); i.putExtra("bid", bid); if (getIntent() != null && getIntent().getData() != null) i.setData(getIntent().getData()); if (getIntent() != null && getIntent().getExtras() != null) { i.putExtras(getIntent()); if (mUri != null) i.putExtra(Intent.EXTRA_STREAM, mUri); } startActivity(i); finish(); } @Override public boolean onBufferLongClicked(Buffer b) { return false; } @Override public void addButtonPressed(int cid) { } @Override public void addNetwork() { } @Override public void reorder() { } }