Java tutorial
/* * Copyright (C) 2016 The Android Open Source Project * * 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.google.android.car.kitchensink.camera; import android.car.CarNotConnectedException; import android.car.hardware.camera.CarCamera; import android.car.hardware.camera.CarCameraManager; import android.car.hardware.camera.CarCameraState; import android.graphics.Rect; import android.os.Bundle; import android.support.v4.app.Fragment; import android.util.Log; import android.view.LayoutInflater; import android.view.View; import android.view.ViewGroup; import android.widget.Button; import android.widget.TextView; import android.widget.ToggleButton; import com.google.android.car.kitchensink.R; import java.lang.Override; public class CameraTestFragment extends Fragment { private final boolean DBG = true; private final String TAG = "CameraTestFragment"; private TextView mTvCap; private TextView mTvRvcCrop; private TextView mTvRvcPos; private TextView mTvCameraState; private CarCameraManager mCarCameraManager; private CarCamera mRvcCamera; @Override public View onCreateView(LayoutInflater inflater, ViewGroup container, Bundle savedInstance) { View v = inflater.inflate(R.layout.camera_test, container, false); int[] cameraList = mCarCameraManager.getCameraList(); for (int camera : cameraList) { if (camera == CarCameraManager.CAR_CAMERA_TYPE_RVC) { mRvcCamera = mCarCameraManager.openCamera(1); break; } } mTvCap = (TextView) v.findViewById(R.id.tvCap); mTvRvcCrop = (TextView) v.findViewById(R.id.tvRvcCrop); mTvRvcPos = (TextView) v.findViewById(R.id.tvRvcPos); mTvCameraState = (TextView) v.findViewById(R.id.tvCameraState); Button btn = (Button) v.findViewById(R.id.btnGetCap); btn.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { try { int cap = mRvcCamera.getCapabilities(); mTvCap.setText(String.valueOf(cap)); } catch (CarNotConnectedException e) { Log.e(TAG, "Failed to get camera capabilities", e); } } }); btn = (Button) v.findViewById(R.id.btnGetRvcCrop); btn.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { try { Rect rect = mRvcCamera.getCameraCrop(); if (rect != null) { mTvRvcCrop.setText(rect.toString()); } else { mTvRvcCrop.setText("null"); } } catch (CarNotConnectedException e) { Log.e(TAG, "Failed to get camera crop", e); } } }); btn = (Button) v.findViewById(R.id.btnGetRvcPos); btn.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { try { Rect rect = mRvcCamera.getCameraPosition(); if (rect != null) { mTvRvcPos.setText(String.valueOf(rect)); } else { mTvRvcPos.setText("null"); } } catch (CarNotConnectedException e) { Log.e(TAG, "Failed to get camere position", e); } } }); btn = (Button) v.findViewById(R.id.btnGetCameraState); btn.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { try { CarCameraState state = mRvcCamera.getCameraState(); if (state != null) { mTvCameraState.setText(state.toString()); } else { mTvCameraState.setText("null"); } } catch (CarNotConnectedException e) { Log.e(TAG, "Failed to get camere state", e); } } }); btn = (Button) v.findViewById(R.id.btnSetRvcCrop); btn.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { Rect rect = new Rect(160, 240, 560, 480); try { mRvcCamera.setCameraCrop(rect); } catch (CarNotConnectedException e) { Log.e(TAG, "Failed to set camera crop", e); } } }); btn = (Button) v.findViewById(R.id.btnSetRvcCrop2); btn.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { Rect rect = new Rect(0, 0, 720, 480); try { mRvcCamera.setCameraCrop(rect); } catch (CarNotConnectedException e) { Log.e(TAG, "Failed to set camera crop", e); } } }); btn = (Button) v.findViewById(R.id.btnSetRvcPos); btn.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { Rect rect = new Rect(300, 0, 800, 480); try { mRvcCamera.setCameraPosition(rect); } catch (CarNotConnectedException e) { Log.e(TAG, "Failed to set camera position", e); } } }); btn = (Button) v.findViewById(R.id.btnSetRvcPos2); btn.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { Rect rect = new Rect(500, 0, 800, 480); try { mRvcCamera.setCameraPosition(rect); } catch (CarNotConnectedException e) { Log.e(TAG, "Failed to set camera position", e); } } }); btn = (Button) v.findViewById(R.id.btnSetRvcPos3); btn.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { Rect rect = new Rect(300, 0, 500, 300); try { mRvcCamera.setCameraPosition(rect); } catch (CarNotConnectedException e) { Log.e(TAG, "Failed to set camera position", e); } } }); final ToggleButton toggleBtn = (ToggleButton) v.findViewById(R.id.btnRvcState); toggleBtn.setOnClickListener(new View.OnClickListener() { public void onClick(View v) { CarCameraState state = new CarCameraState(false, toggleBtn.isChecked()); try { mRvcCamera.setCameraState(state); } catch (CarNotConnectedException e) { Log.e(TAG, "Failed to set camera state", e); } } }); if (DBG) { Log.d(TAG, "Starting CameraTestFragment"); } return v; } public void setCameraManager(CarCameraManager cameraManager) { Log.d(TAG, "setCameraManager()"); mCarCameraManager = cameraManager; } }