Java tutorial
/* * The MIT License (MIT) * * Copyright (c) 2016 Jordon de Hoog * * Permission is hereby granted, free of charge, to any person obtaining a copy * of this software and associated documentation files (the "Software"), to deal * in the Software without restriction, including without limitation the rights * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell * copies of the Software, and to permit persons to whom the Software is * furnished to do so, subject to the following conditions: * * The above copyright notice and this permission notice shall be included in all * copies or substantial portions of the Software. * * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE * SOFTWARE. */ package ca.hoogit.garagepi.Camera; import android.graphics.Bitmap; import android.graphics.BitmapFactory; import android.graphics.drawable.BitmapDrawable; import android.graphics.drawable.Drawable; import android.os.Bundle; import android.support.v4.app.Fragment; import android.support.v7.widget.CardView; import android.util.Base64; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.FrameLayout; import android.widget.ImageButton; import android.widget.ImageView; import android.widget.LinearLayout; import butterknife.Bind; import butterknife.ButterKnife; import ca.hoogit.garagepi.R; /** * TODO implement */ public class CameraFragment extends Fragment implements CameraEvents.IEvents { private static final String TAG = CameraFragment.class.getSimpleName(); @Bind(R.id.container) LinearLayout mContainer; @Bind(R.id.card_camera) CardView mCameraCard; @Bind(R.id.card_weather) CardView mWeatherCard; @Bind(R.id.camera_image) ImageView mCameraFeed; @Bind(R.id.camera_play_stop) ImageButton mPlayStopButton; @Bind(R.id.camera_refresh) ImageButton mRefreshButton; private CameraSocket mCameraSocket; public CameraFragment() { } public static CameraFragment newInstance() { return new CameraFragment(); } @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstanceState) { View view = inflater.inflate(R.layout.fragment_camera, container, false); ButterKnife.bind(this, view); // Check if landscape and adjust views if (getResources().getBoolean(R.bool.is_landscape)) { mContainer.setOrientation(LinearLayout.HORIZONTAL); LinearLayout.LayoutParams cameraParams = (LinearLayout.LayoutParams) mCameraCard.getLayoutParams(); cameraParams.width = 0; cameraParams.height = ViewGroup.LayoutParams.MATCH_PARENT; cameraParams.setMargins(0, 0, 0, 0); cameraParams.setMarginEnd(getResources().getDimensionPixelSize(R.dimen.card_container_margin)); mCameraCard.requestLayout(); ViewGroup.LayoutParams weatherParams = mWeatherCard.getLayoutParams(); weatherParams.width = 0; weatherParams.height = ViewGroup.LayoutParams.MATCH_PARENT; mWeatherCard.requestLayout(); } mPlayStopButton.setOnClickListener(this::handlePlayStopButton); mRefreshButton.setOnClickListener(this::handleRefreshButton); mCameraSocket = new CameraSocket(getActivity()); mCameraSocket.setOnFeed(this::handleUpdatingCameraFeed); mCameraSocket.setOnError(this::handleCameraError); // TODO display state of camera to user mCameraSocket.setOnEvent(this); if (savedInstanceState == null) { mCameraSocket.activate(); } return view; } private void handleUpdatingCameraFeed(String frame) { if (isAdded()) { Log.v(TAG, "handleUpdatingCameraFeed: Updating image view"); byte[] decoded = Base64.decode(frame, Base64.DEFAULT); Bitmap bitmap = BitmapFactory.decodeByteArray(decoded, 0, decoded.length); Drawable drawable = new BitmapDrawable(getResources(), bitmap); mCameraFeed.setImageDrawable(drawable); } } private void handleCameraError(String message) { Log.d(TAG, "onCameraError: Got error " + message); } @Override public void onInitialFrame(String base64Frame) { Log.d(TAG, "onInitialFrame: Gotcha"); handleUpdatingCameraFeed(base64Frame); } @Override public void onMotionCaptureLoading() { Log.d(TAG, "onMotionCaptureLoading: Loading and stuff"); } private void handlePlayStopButton(View view) { // TODO implement } private void handleRefreshButton(View view) { // TODO implement } @Override public void onResume() { super.onResume(); mCameraSocket.on(); } @Override public void onPause() { super.onPause(); mCameraSocket.off(); } }