{"id":604,"date":"2011-06-22T15:11:42","date_gmt":"2011-06-22T07:11:42","guid":{"rendered":"http:\/\/leybreeze.com\/blog\/?p=604"},"modified":"2011-06-22T15:11:42","modified_gmt":"2011-06-22T07:11:42","slug":"android%e4%b8%ad%e8%b0%83%e7%94%a8%e6%91%84%e5%83%8f%e5%a4%b4%e5%b9%b6%e8%87%aa%e5%8a%a8%e5%af%b9%e7%84%a6%e6%8b%8d%e7%85%a7","status":"publish","type":"post","link":"http:\/\/leybreeze.com\/blog\/?p=604","title":{"rendered":"Android\u4e2d\u8c03\u7528\u6444\u50cf\u5934\u5e76\u81ea\u52a8\u5bf9\u7126\u62cd\u7167"},"content":{"rendered":"<p>\u4ee3\u7801\u4e0e\u8303\u4f8b\uff1a<br \/>\n\u9996\u5148\u9700\u8981\u5728Manifest\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a<\/p>\n<p>\u4ee5\u4f7f\u7a0b\u5e8f\u83b7\u53d6\u6444\u50cf\u5934\u4f7f\u7528\u4ee5\u53ca\u81ea\u52a8\u5bf9\u7126\u529f\u80fd\u7684\u4f7f\u7528\u6743\u9650\u3002<\/p>\n<p>CameraTestActivity.java<\/p>\n<pre lang=\"JAVA\">import android.app.Activity;\r\nimport android.os.Bundle;\r\nimport android.view.Window;\r\nimport android.view.WindowManager;\r\n\r\npublic class CameraTestActivity extends Activity {\r\n    @Override\r\n    public void onCreate(Bundle bundle) {\r\n        super.onCreate(bundle);\r\n        getWindow().clearFlags(WindowManager.LayoutParams.FLAG_FORCE_NOT_FULLSCREEN);\r\n        getWindow().addFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN);\r\n        requestWindowFeature(Window.FEATURE_NO_TITLE);\/\/ \u8bbe\u7f6e\u6a2a\u5c4f\u6a21\u5f0f\u4ee5\u53ca\u5168\u5c4f\u6a21\u5f0f\r\n        setContentView(new CameraView(this)); \/\/\u8bbe\u7f6eView\r\n    }\r\n}<\/pre>\n<p>CameraView.java<\/p>\n<pre lang=\"JAVA\">import java.io.FileOutputStream;\r\n\r\nimport android.content.Context;\r\nimport android.hardware.Camera;\r\nimport android.os.Environment;\r\nimport android.view.MotionEvent;\r\nimport android.view.SurfaceHolder;\r\nimport android.view.SurfaceView;\r\n\r\npublic class CameraView extends SurfaceView implements SurfaceHolder.Callback, Camera.PictureCallback {\r\n\tprivate SurfaceHolder holder;\r\n\tprivate Camera camera;\r\n\tprivate boolean af;\r\n\r\n\tpublic CameraView(Context context) {\/\/\u6784\u9020\u51fd\u6570\r\n\t\tsuper(context);\r\n\r\n\t\tholder = getHolder();\/\/\u751f\u6210Surface Holder\r\n\t\tholder.addCallback(this);\r\n\r\n\t\tholder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);\/\/\u6307\u5b9aPush Buffer\r\n\t}\r\n\r\n\tpublic void surfaceCreated(SurfaceHolder holder) {\/\/Surface\u751f\u6210\u4e8b\u4ef6\u7684\u5904\u7406\r\n\t\ttry {\r\n\t\t\tcamera = Camera.open();\/\/\u6444\u50cf\u5934\u7684\u521d\u59cb\u5316\r\n\t\t\tcamera.setPreviewDisplay(holder);\r\n\t\t} catch (Exception e) {\r\n\t\t}\r\n\t}\r\n\r\n\t@Override\r\n\tpublic void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {\/\/Surface\u6539\u53d8\u4e8b\u4ef6\u7684\u5904\u7406\r\n\t\tCamera.Parameters parameters = camera.getParameters();\r\n\t\tparameters.setPreviewSize(width, height);\r\n\t\tcamera.setParameters(parameters);\/\/\u8bbe\u7f6e\u53c2\u6570\r\n\t\tcamera.startPreview();\/\/\u5f00\u59cb\u9884\u89c8\r\n\t}\r\n\r\n\tpublic void surfaceDestroyed(SurfaceHolder holder) {\/\/Surface\u9500\u6bc1\u65f6\u7684\u5904\u7406\r\n\t\tcamera.setPreviewCallback(null);\r\n\t\tcamera.stopPreview();\r\n\t\tcamera.release();\r\n\t\tcamera = null;\r\n\t}\r\n\r\n\t@Override\r\n\tpublic boolean onTouchEvent(MotionEvent event) {\/\/\u5c4f\u5e55\u89e6\u6478\u4e8b\u4ef6\r\n\t\tif (event.getAction() == MotionEvent.ACTION_DOWN) {\/\/\u6309\u4e0b\u65f6\u81ea\u52a8\u5bf9\u7126\r\n\t\t\tcamera.autoFocus(null);\r\n\t\t\taf = true;\r\n\t\t}\r\n\t\tif (event.getAction() == MotionEvent.ACTION_UP &amp;&amp; af == true) {\/\/\u653e\u5f00\u540e\u62cd\u7167\r\n\t\t\tcamera.takePicture(null, null, this);\r\n\t\t\taf = false;\r\n\t\t}\r\n\t\treturn true;\r\n\t}\r\n\r\n\tpublic void onPictureTaken(byte[] data, Camera camera) {\/\/\u62cd\u6444\u5b8c\u6210\u540e\u4fdd\u5b58\u7167\u7247\r\n\t\ttry {\r\n\t\t\tString path = Environment.getExternalStorageDirectory() + \"\/test.jpg\";\r\n\t\t\tdata2file(data, path);\r\n\t\t} catch (Exception e) {\r\n\t\t}\r\n\t\tcamera.startPreview();\r\n\t}\r\n\r\n\tprivate void data2file(byte[] w, String fileName) throws Exception {\/\/\u5c06\u4e8c\u8fdb\u5236\u6570\u636e\u8f6c\u6362\u4e3a\u6587\u4ef6\u7684\u51fd\u6570\r\n\t\tFileOutputStream out = null;\r\n\t\ttry {\r\n\t\t\tout = new FileOutputStream(fileName);\r\n\t\t\tout.write(w);\r\n\t\t\tout.close();\r\n\t\t} catch (Exception e) {\r\n\t\t\tif (out != null)\r\n\t\t\t\tout.close();\r\n\t\t\tthrow e;\r\n\t\t}\r\n\t}\r\n\r\n}<\/pre>\n<p>\u8bf4\u660e\uff1a\u8fd9\u662f\u4e00\u4e2a\u7b80\u5355\u7684\u793a\u4f8b\u7a0b\u5e8f\u3002\u529f\u80fd\u662f\u4f7f\u7528\u81ea\u52a8\u5bf9\u7126\u529f\u80fd\u62cd\u6444\u4e00\u5f20\u7167\u7247\u4fdd\u5b58\u4e8eSD\u5361\u6839\u76ee\u5f55\u4e0b\u3002\u9700\u8981\u6ce8\u610f\u7684\u662f\u8981\u5728manifest\u6587\u4ef6\u4e2d\u58f0\u660e\u76f8\u5173\u7684\u8bb8\u53ef\u3002\u672c\u4f8b\u4e2d\u8bb8\u591a\u53c2\u6570\u90fd\u6ca1\u6709\u8bbe\u7f6e\uff0c\u53ef\u4ee5\u6839\u636e\u5177\u4f53\u9700\u8981\u8fdb\u884c\u9002\u5f53\u7684\u4fee\u6539\u4ee5\u6ee1\u8db3\u7279\u5b9a\u8981\u6c42\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"<p>\u4ee3\u7801\u4e0e\u8303\u4f8b\uff1a \u9996\u5148\u9700\u8981\u5728Manifest\u6587\u4ef6\u4e2d\u6dfb\u52a0\u4ee5\u4e0b\u5185\u5bb9\uff1a \u4ee5\u4f7f\u7a0b\u5e8f\u83b7\u53d6\u6444\u50cf\u5934\u4f7f\u7528\u4ee5\u53ca\u81ea\u52a8\u5bf9\u7126\u529f\u80fd\u7684\u4f7f\u7528\u6743\u9650 &hellip; <a href=\"http:\/\/leybreeze.com\/blog\/?p=604\" class=\"more-link\">\u7ee7\u7eed\u9605\u8bfb<span class=\"screen-reader-text\">\u201cAndroid\u4e2d\u8c03\u7528\u6444\u50cf\u5934\u5e76\u81ea\u52a8\u5bf9\u7126\u62cd\u7167\u201d<\/span><\/a><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[4],"tags":[5,71,70],"_links":{"self":[{"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/604"}],"collection":[{"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=604"}],"version-history":[{"count":1,"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/604\/revisions"}],"predecessor-version":[{"id":605,"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=\/wp\/v2\/posts\/604\/revisions\/605"}],"wp:attachment":[{"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=604"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=604"},{"taxonomy":"post_tag","embeddable":true,"href":"http:\/\/leybreeze.com\/blog\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=604"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}