1. protected void getImageFromAlbum() { 2. new Intent(Intent.ACTION_PICK); 3. "image/*");//相片类型 4. startActivityForResult(intent, REQUEST_CODE_PICK_IMAGE); 5. } 1. 2. 3. 4. 5. 2.从照相机获取照片 一般就是写出这个方法 1. protected void getImageFromCamera() { 2. String sta...
;36preview.addView(mPreview);3738//Add a listener to the Capture button39Button captureButton =(Button) findViewById(R.id.button_capture);40captureButton.setOnClickListener(41newView.OnClickListener() {42@Override43publicvoidonClick(View v) {44//get an image from the camera45mCamera.autoFocu...
publicstatic Camera getCameraInstance() { Camera c = null; try { c = Camera.open(); // attempt to get a Camera instance } catch (Exception e) { // Camera is notavailable (in use or does not exist) } return c; // returns nullif camera is unavailable } /** A basic Camera previ...
intent.putExtra("camerasensortype",2);// 调用前置摄像头 intent.putExtra("autofocus",true);// 自动对焦 intent.putExtra("fullScreen",false);// 全屏 intent.putExtra("showActionIcons",false); // 指定调用相机拍照后照片的储存路径 intent.putExtra(MediaStore.EXTRA_OUTPUT, Uri.fromFile(tempFile))...
(MediaStore.EXTRA_OUTPUT,imageUri);startActivityForResult(intent,TAKE_PHOTO);}});chooseFromAlbum.setOnClickListener(newView.OnClickListener(){@OverridepublicvoidonClick(Viewview){Intentintent=newIntent("android.intent.action.GET_CONTENT");intent.setType("image/*");startActivityForResult(intent,...
一、Camera 架构 NOTE:这是 Android Camera API 1 ,Camera 的架构与 Android 整体架构是保持一致的: Framework : Camera.java Android Runtime : android_hardware_Camera.cpp Library : Client (Camera.cpp, ICameraClient.cpp, etc...) Server (CameraService.cpp, ICameraService.cpp, etc...) HAL : Came...
一、添加权限 <uses-permission android:name="android.permission.CAMERA" /> <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /> 二、主要代码packagecom.example.avance.myapplication.activity;importandroid.Manifest;importandroid.content.DialogInterface;importandroid.content.Intent;importan...
调用相机拍摄方法 /** * capture new image */ protected void selectPicFromCamera() { if (...Uri.fromFile(cameraFile)); } startActivityForResult(intent, REQUEST_CODE_CAMERA); } 相机拍摄后的回调如下...sendImageMessage(cameraFile.getAbsolutePath()); } 此时发现 代码执行到 if(data==null)就结...
9.getCameraInfo(int cameraId,CameraInfo cameraInfo) 返回指定id所表示的摄像头信息,如果getNumberOfCameras()返回N,那么有效的id值为0～(N-1),一般手机至少有前后两个摄像头。 10.open(int cameraId) 使用传入的id所表示的摄像头来创建Camera对象,如果这个id所表示的摄像头被其他应用程序打开调用此方法会跑出...
Determine if the image was captured from the camera. If the image was not captured, no image buffers will be available. If the image was captured, then image buffers may be available. Java documentation for android.hardware.camera2.CaptureFailure.wasImageCaptured(). Portions of this page are ...