实例介绍
【实例简介】
【实例截图】
【核心代码】
package com.wen.camera.activity; import java.io.IOException; import java.util.ArrayList; import java.util.List; import com.example.androidvideorecord.R; import com.wen.camera.activity.VideoCameraActivity; import com.wen.video.Adapter.VideoSizeAdapter; import com.wen.view.VerticalSeekBar; import android.graphics.Color; import android.graphics.Rect; import android.hardware.Camera; import android.hardware.Camera.AutoFocusCallback; import android.hardware.Camera.Size; import android.media.MediaRecorder; import android.os.Build.VERSION; import android.os.Bundle; import android.os.Environment; import android.os.Handler; import android.os.Message; import android.app.Activity; import android.app.AlertDialog; import android.app.Dialog; import android.content.DialogInterface; import android.util.Log; import android.util.SparseIntArray; import android.view.KeyEvent; import android.view.MotionEvent; import android.view.View; import android.view.View.OnClickListener; import android.view.View.OnTouchListener; import android.widget.AdapterView; import android.widget.AdapterView.OnItemClickListener; import android.widget.Button; import android.widget.FrameLayout; import android.widget.ImageView; import android.widget.LinearLayout; import android.widget.ListView; import android.widget.SeekBar; import android.widget.TextView; import android.widget.Toast; import android.widget.SeekBar.OnSeekBarChangeListener; public class VideoCameraActivity extends Activity implements OnClickListener, OnTouchListener { private MediaRecorder mediaRecorder; private Camera camera; private CameraPreview preview; private Camera.Parameters cameraParams; private FrameLayout layout; private TextView videoSize; private ImageView back; private SparseIntArray widthArray = new SparseIntArray(); private SparseIntArray heightArray = new SparseIntArray(); private int sizeIndex = 0; private String path; private String fileName; private boolean isTaking; private TextView timer; private int hour = 0; private int minute = 0; private int second = 0; private boolean bool; private VerticalSeekBar mZoomBar = null; private Button btnVideoButton; private AutoFocusCallback myAutoFocusCallback = null; private boolean isControlEnable = true; private LinearLayout videoSizeLayout; private boolean isVideoSizeSupport = true; private boolean isVideoAuto = true; private VideoSizeAdapter adapter; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.map_video); myAutoFocusCallback = new AutoFocusCallback() { public void onAutoFocus(boolean success, Camera camera) { if (success) { camera.setOneShotPreviewCallback(null); } else { } } }; initView(); } /** * @Title initView * @Description 鍔犺浇瑙嗗浘鍙婄浉鍏冲睘鎬� * @author wen * @Date 2013-12-10 涓婂崍10:14:21 */ private void initView() { layout = (FrameLayout) findViewById(R.id.take_video_layout); btnVideoButton = (Button) findViewById(R.id.arc_hf_video_start); videoSizeLayout = (LinearLayout) findViewById(R.id.videoSizeLayout); videoSize = (TextView) findViewById(R.id.take_video_size); timer = (TextView) findViewById(R.id.arc_hf_video_timer); mZoomBar = (VerticalSeekBar) findViewById(R.id.seekBar); back = (ImageView) findViewById(R.id.take_video_back); timer.setVisibility(View.GONE); videoSizeLayout.setVisibility(View.VISIBLE); back.setOnClickListener(this); btnVideoButton.setOnClickListener(this); initCamera(); // 娣诲姞ZoomBar int max = camera.getParameters().getMaxZoom(); if (max == 0) { mZoomBar.setVisibility(View.GONE); } else { mZoomBar.setMax(max); mZoomBar.setOnSeekBarChangeListener(new OnSeekBarChangeListener() { public void onStopTrackingTouch(SeekBar seekBar) { } public void onStartTrackingTouch(SeekBar seekBar) { } public void onProgressChanged(SeekBar seekBar, int progress, boolean fromUser) { try { if (camera != null && cameraParams.isZoomSupported()) { if (cameraParams.isSmoothZoomSupported()) { camera.startSmoothZoom(progress); } else { Log.e("VideoCameraActivity", "涓嶆敮鎸佹櫤鑳藉彉鐒�"); cameraParams.setZoom(progress); camera.setParameters(cameraParams); } } } catch (Exception e) { mZoomBar.setVisibility(View.GONE); } } }); } path = Environment.getExternalStorageDirectory().getAbsolutePath() "/"; fileName = "video1216.mp4"; } /** * @Title initCamera * @Description 鍔犺浇鐩告満鐩稿叧缁勪欢 * @author wen * @Date 2013-12-10 涓婂崍10:14:21 */ private void initCamera() { camera = Camera.open(); preview = new CameraPreview(this, camera); preview.setFocusable(false); preview.setEnabled(false); cameraParams = camera.getParameters(); if (VERSION.SDK_INT >= 14) { cameraParams.setFocusMode("auto"); camera.autoFocus(myAutoFocusCallback); } else { cameraParams .setFocusMode(Camera.Parameters.FOCUS_MODE_CONTINUOUS_VIDEO); isVideoAuto = false; } List<Size> tempList = cameraParams.getSupportedPreviewSizes(); if (tempList != null && tempList.size() > 0) { for (int i = 0; i < tempList.size(); i ) { widthArray.put(i, tempList.get(i).width); heightArray.put(i, tempList.get(i).height); } setVideoSize(); } else { isVideoSizeSupport = false; videoSizeLayout.setVisibility(View.GONE); } cameraParams.setRotation(90); camera.setParameters(cameraParams); try { camera.setPreviewDisplay(preview.getHolder()); } catch (IOException e1) { e1.printStackTrace(); } layout.addView(preview); layout.setOnTouchListener(this); } /** * @Title startCamera * @Description 寮�濮嬪綍鍍� * @author wen * @Date 2013-12-10 涓婂崍10:14:21 */ private void startCamera() { second = 0; minute = 0; hour = 0; bool = true; camera.startPreview(); camera.unlock();// 瑙i攣鍚庢墠鑳借皟鐢紝鍚﹀垯鎶ラ敊 mediaRecorder = new MediaRecorder(); mediaRecorder.setCamera(camera);// 灏哻amera娣诲姞鍒拌棰戝綍鍒剁鍙� mediaRecorder.setAudioSource(MediaRecorder.AudioSource.MIC);// 闊抽害 mediaRecorder.setVideoSource(MediaRecorder.VideoSource.CAMERA);// 瑙嗛婧� mediaRecorder.setOutputFormat(MediaRecorder.OutputFormat.MPEG_4);// 杈撳嚭鏍煎紡 mediaRecorder.setAudioEncoder(MediaRecorder.AudioEncoder.AAC);// 澹伴煶婧愮爜 mediaRecorder.setVideoEncoder(MediaRecorder.VideoEncoder.H264);// 瑙嗛婧愮爜 if (isVideoSizeSupport) { mediaRecorder.setVideoSize(widthArray.get(sizeIndex), heightArray.get(sizeIndex)); } else { mediaRecorder.setVideoSize(320, 240); } mediaRecorder.setVideoFrameRate(3); mediaRecorder.setPreviewDisplay(preview.getHolder().getSurface()); mediaRecorder.setOutputFile(path fileName); try { mediaRecorder.prepare(); timer.setVisibility(View.VISIBLE); handler.postDelayed(task, 1000); } catch (IllegalStateException e) { e.printStackTrace(); } catch (IOException e) { e.printStackTrace(); } try { mediaRecorder.start(); Toast.makeText(this, "寮�濮嬪綍鍒�", Toast.LENGTH_SHORT).show(); } catch (IllegalStateException e) { this.finish(); Toast.makeText(this, "涓嶈兘褰曞埗瑙嗛!", Toast.LENGTH_SHORT).show(); } } @Override protected void onDestroy() { super.onDestroy(); if (mediaRecorder != null) { mediaRecorder.release(); } if (camera != null) { camera.lock(); camera.release(); } } @Override public void onClick(View v) { switch (v.getId()) { case R.id.arc_hf_video_start: if (isControlEnable) { isControlEnable = false; startOrStopVideo(); handler.sendEmptyMessageDelayed(0, 2000); } else { Toast.makeText(this, "2S鐨勫欢杩熸搷浣�", Toast.LENGTH_SHORT).show(); } break; case R.id.take_video_back: if (isTaking) { showDialog(); } else { finish(); } break; default: break; } } public void onRealution(View view) { if (isTaking) { Toast.makeText(this, "褰曞埗瑙嗛涓嶅厑璁稿垏鎹㈣棰戝昂瀵�", Toast.LENGTH_SHORT).show(); } else { final Dialog dialog = new Dialog(this); ListView listView = new ListView(this); listView.setCacheColorHint(Color.TRANSPARENT); listView.setBackgroundColor(Color.WHITE); if (adapter == null) adapter = new VideoSizeAdapter(this, widthArray, heightArray); listView.setAdapter(adapter); listView.setOnItemClickListener(new OnItemClickListener() { @Override public void onItemClick(AdapterView<?> arg0, View arg1, int arg2, long arg3) { adapter.index = arg2; sizeIndex = arg2; setVideoSize(); dialog.dismiss(); } }); dialog.setTitle("鍒嗚鲸鐜囪缃�"); dialog.setContentView(listView); dialog.setCanceledOnTouchOutside(true); dialog.show(); } } private void startOrStopVideo() { if (isTaking) { mediaRecorder.stop(); Toast.makeText(this, "褰曞埗瀹屾垚锛屽凡淇濆瓨", Toast.LENGTH_SHORT).show(); finish(); } else { videoSizeLayout.setVisibility(View.GONE); startCamera(); isTaking = true; } } /* * 瀹氭椂鍣ㄨ缃紝瀹炵幇璁℃椂 */ private Handler handler = new Handler(new Handler.Callback() { @Override public boolean handleMessage(Message msg) { isControlEnable = true; return false; } }); private Runnable task = new Runnable() { public void run() { if (bool) { handler.postDelayed(this, 1000); second ; if (second >= 60) { minute ; second = second % 60; } if (minute >= 60) { hour ; minute = minute % 60; } timer.setText(format(hour) ":" format(minute) ":" format(second)); } } }; /* * 鏍煎紡鍖栨椂闂� */ public String format(int i) { String s = i ""; if (s.length() == 1) { s = "0" s; } return s; } @Override public boolean onTouch(View v, MotionEvent event) { if (event.getAction() == MotionEvent.ACTION_UP) { if (camera != null && isVideoAuto) { float x = event.getX(); float y = event.getY(); float touchMajor = event.getTouchMajor(); float touchMinor = event.getTouchMinor(); Rect touchRect = new Rect((int) (x - touchMajor / 2), (int) (y - touchMinor / 2), (int) (x touchMajor / 2), (int) (y touchMinor / 2)); this.submitFocusAreaRect(touchRect); } } return false; } private void submitFocusAreaRect(final Rect touchRect) { Camera.Parameters cameraParameters = camera.getParameters(); if (cameraParameters == null || cameraParameters.getMaxNumFocusAreas() == 0) { return; } // Convert from View's width and height to /- 1000 Rect focusArea = new Rect(); focusArea.set(touchRect.left * 2000 / preview.getWidth() - 1000, touchRect.top * 2000 / preview.getHeight() - 1000, touchRect.right * 2000 / preview.getWidth() - 1000, touchRect.bottom * 2000 / preview.getHeight() - 1000); // Submit focus area to camera ArrayList<Camera.Area> focusAreas = new ArrayList<Camera.Area>(); focusAreas.add(new Camera.Area(focusArea, 1000)); cameraParameters.setFocusMode(Camera.Parameters.FOCUS_MODE_AUTO); cameraParameters.setFocusAreas(focusAreas); try { camera.setParameters(cameraParameters); camera.autoFocus(myAutoFocusCallback); } catch (Exception e) { e.printStackTrace(); } } @Override protected void onResume() { super.onResume(); } @Override protected void onPause() { super.onPause(); } @Override protected void onStop() { super.onStop(); } @Override protected void onStart() { super.onStart(); } @Override protected void onSaveInstanceState(Bundle outState) { super.onSaveInstanceState(outState); } @Override public boolean onKeyDown(int keyCode, KeyEvent event) { if (keyCode == KeyEvent.KEYCODE_BACK) { if (isTaking) { showDialog(); } else { finish(); } // 杩欓噷涓嶉渶瑕佹墽琛岀埗绫荤殑鐐瑰嚮浜嬩欢锛屾墍浠ョ洿鎺eturn return true; } // 缁х画鎵ц鐖剁被鐨勫叾浠栫偣鍑讳簨浠� return super.onKeyDown(keyCode, event); } private void showDialog() { // 寮瑰嚭纭畾閫�鍑哄璇濇 new AlertDialog.Builder(this).setTitle("閫�鍑�").setMessage("纭畾閫�鍑鸿棰戝綍鍒跺悧锛�") .setPositiveButton("纭畾", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { VideoCameraActivity.this.finish(); } }) .setNegativeButton("鍙栨秷", new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { dialog.cancel(); } }).show(); } private void setVideoSize() { videoSize.setText(widthArray.get(sizeIndex) "X" heightArray.get(sizeIndex)); } }
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