Video inkl. Overlays aufnehmen?

1package com.example.androidvideofromphotos;
2
3import java.io.File;
4import java.io.FileOutputStream;
5import java.io.IOException;
6
7import android.app.Activity;
8import android.graphics.Bitmap;
9import android.graphics.PixelFormat;
10import android.hardware.Camera;
11import android.os.Bundle;
12import android.os.Environment;
13import android.view.SurfaceHolder;
14import android.view.SurfaceView;
15import android.view.View;
16import android.view.View.OnClickListener;
17import android.widget.Button;
18import android.widget.RelativeLayout;
19
20public class MainActivity extends Activity implements OnClickListener, SurfaceHolder.Callback {
21
22 private Button startBtn, stopBtn, openCamera;;
23 private Camera camera;
24 private SurfaceView surfaceView;
25 private SurfaceHolder surfaceHolder;
26 boolean previewing = false;
27 private RelativeLayout view;
28
29 @Override
30 public void onCreate(Bundle savedInstanceState) {
31 super.onCreate(savedInstanceState);
32 setContentView(R.layout.main);
33
34 startBtn = (Button) findViewById(R.id.start);
35 stopBtn = (Button) findViewById(R.id.stop);
36 openCamera = (Button) findViewById(R.id.open);
37
38 startBtn.setOnClickListener(this);
39 stopBtn.setOnClickListener(this);
40 openCamera.setOnClickListener(this);
41
42
43 getWindow().setFormat(PixelFormat.UNKNOWN);
44 surfaceView = (SurfaceView) findViewById(R.id.surfaceView1);
45 surfaceHolder = surfaceView.getHolder();
46 surfaceHolder.addCallback(this);
47 surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
48
49
50
51 }
52
53
54
55 @Override
56 public void onClick(View v) {
57 long clickedElement = v.getId();
58
59
60
61 if(clickedElement == R.id.start){
62 File root = Environment.getExternalStorageDirectory();
63 File file = new File(root,"myImage.jpg");
64 SurfaceView mainLayout = (SurfaceView) findViewById(R.id.surfaceView1);
65
66 View v1=mainLayout.getRootView();
67 v1.setDrawingCacheEnabled(true);
68 Bitmap bm=v1.getDrawingCache();
69
70 if(bm!=null){
71 System.out.println("Nicht leer");
72 FileOutputStream fos = null;
73
74 try {
75 fos = new FileOutputStream(file);
76 if(fos != null){
77 bm.compress(Bitmap.CompressFormat.JPEG, 100, fos);
78 fos.close();
79 }
80 } catch (Exception e) {
81 e.printStackTrace();
82 }
83 }
84
85 /* RelativeLayout mainLayout = (RelativeLayout) findViewById(R.id.rootlayout);
86 //SurfaceView mainLayout = (SurfaceView) findViewById(R.id.surfaceView1);
87 File root = Environment.getExternalStorageDirectory();
88 File file = new File(root,"androidlife.jpg");
89 Bitmap b = Bitmap.createBitmap(mainLayout.getWidth(), mainLayout
90 .getHeight(), Bitmap.Config.ARGB_8888);
91 Canvas c = new Canvas(b);
92 mainLayout.draw(c);
93 FileOutputStream fos = null;
94 try {
95 fos = new FileOutputStream(file);
96
97 if (fos != null) {
98 b.compress(Bitmap.CompressFormat.JPEG, 100, fos);
99 fos.close();
100 }
101 } catch (Exception e) {
102 e.printStackTrace();
103 }*/
104
105
106 }
107 else if(clickedElement == R.id.stop){
108
109 }
110 else if(clickedElement == R.id.open){
111 camera = Camera.open();
112
113 try {
114 camera.setPreviewDisplay(surfaceHolder);
115 } catch (IOException e) {
116 // TODO Auto-generated catch block
117 e.printStackTrace();
118 }
119 camera.setDisplayOrientation(90);
120 camera.startPreview();
121 }
122
123 }
124
125
126
127 @Override
128 public void surfaceChanged(SurfaceHolder holder, int format, int width,
129 int height) {
130 // TODO Auto-generated method stub
131
132 }
133
134
135
136 @Override
137 public void surfaceCreated(SurfaceHolder holder) {
138 // TODO Auto-generated method stub
139
140 }
141
142
143
144 @Override
145 public void surfaceDestroyed(SurfaceHolder holder) {
146 // TODO Auto-generated method stub
147
148 }
149
150
151}

1package com.example.androidcameratest;
2
3import java.io.File;
4import java.io.FileOutputStream;
5import java.io.IOException;
6import java.text.SimpleDateFormat;
7import java.util.Date;
8
9import android.annotation.SuppressLint;
10import android.app.Activity;
11import android.graphics.Bitmap;
12import android.graphics.BitmapFactory;
13import android.graphics.Canvas;
14import android.graphics.PixelFormat;
15import android.graphics.drawable.BitmapDrawable;
16import android.hardware.Camera;
17import android.hardware.Camera.Parameters;
18import android.hardware.Camera.PictureCallback;
19import android.hardware.Camera.ShutterCallback;
20import android.os.Bundle;
21import android.os.Environment;
22import android.view.Display;
23import android.view.SurfaceHolder;
24import android.view.SurfaceView;
25import android.view.View;
26import android.widget.Button;
27
28@SuppressLint("NewApi")
29public class MainActivity extends Activity implements SurfaceHolder.Callback {
30
31 Camera camera;
32 SurfaceView surfaceView;
33 SurfaceHolder surfaceHolder;
34 boolean previewing = false;
35 private Bitmap screenBmp = null;
36 private Bitmap cameraBmp = null;
37 private String picturefilename;
38
39 /** Called when the activity is first created. */
40 @Override
41 public void onCreate(Bundle savedInstanceState) {
42 super.onCreate(savedInstanceState);
43 setContentView(R.layout.main);
44 createFolder();
45 Button buttonStartCameraPreview = (Button) findViewById(R.id.startcamerapreview);
46 Button buttonStopCameraPreview = (Button) findViewById(R.id.stopcamerapreview);
47
48 getWindow().setFormat(PixelFormat.UNKNOWN);
49 surfaceView = (SurfaceView) findViewById(R.id.surfaceview);
50 surfaceHolder = surfaceView.getHolder();
51 surfaceHolder.addCallback(this);
52 surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
53
54 buttonStartCameraPreview
55 .setOnClickListener(new Button.OnClickListener() {
56
57 @Override
58 public void onClick(View v) {
59 // TODO Auto-generated method stub
60 if (!previewing) {
61
62 if (camera != null) {
63 try {
64 System.out.println("Hier bin ich");
65 camera.setPreviewDisplay(surfaceHolder);
66 camera.setDisplayOrientation(90);
67
68 camera.startPreview();
69
70 previewing = true;
71 } catch (IOException e) {
72 // TODO Auto-generated catch block
73 e.printStackTrace();
74 }
75 }
76 }
77 }
78 });
79
80 buttonStopCameraPreview
81 .setOnClickListener(new Button.OnClickListener() {
82
83 @Override
84 public void onClick(View v) {
85 // TODO Auto-generated method stub
86 if (camera != null && previewing) {
87 camera.stopPreview();
88 camera.release();
89 camera = null;
90
91 previewing = false;
92 }
93 }
94 });
95
96 Button buttonTakePicture = (Button) findViewById(R.id.takephoto);
97 buttonTakePicture.setOnClickListener(new Button.OnClickListener() {
98
99 @Override
100 public void onClick(View arg0) {
101 // TODO Auto-generated method stub
102 takeScreenshot();
103 camera.takePicture(myShutterCallback, myPictureCallback_RAW,
104 myPictureCallback_JPG);
105 }
106 });
107 }
108
109 private void createFolder() {
110 File dir = Environment.getExternalStorageDirectory();
111 File myDir = new File(dir, "CameraOverlay");
112 if (myDir.exists() && myDir.isDirectory()) {
113
114 } else {
115 boolean created = myDir.mkdir();
116 System.out.println("Folder created : " + created);
117
118 }
119 }
120
121 ShutterCallback myShutterCallback = new ShutterCallback() {
122
123 @Override
124 public void onShutter() {
125 // TODO Auto-generated method stub
126
127 }
128 };
129
130 PictureCallback myPictureCallback_RAW = new PictureCallback() {
131
132 @Override
133 public void onPictureTaken(byte[] arg0, Camera arg1) {
134 // TODO Auto-generated method stub
135
136 }
137 };
138
139 PictureCallback myPictureCallback_JPG = new PictureCallback() {
140
141 @Override
142 public void onPictureTaken(byte[] arg0, Camera arg1) {
143
144 Bitmap bmpSource = BitmapFactory.decodeByteArray(arg0, 0,
145 arg0.length);
146 Display display = getWindowManager().getDefaultDisplay();
147 int width = display.getWidth();
148 int height = display.getHeight();
149 cameraBmp = Bitmap.createBitmap(bmpSource, 0, 0, width, height);
150 checkBmps();
151 camera.startPreview();
152 }
153 };
154
155 private void takeScreenshot() {
156 View view = findViewById(R.id.rootview);
157 View v1 = view.getRootView();
158 v1.setDrawingCacheEnabled(true);
159 Bitmap sourceScreenBmp = v1.getDrawingCache();
160
161 BitmapDrawable alphaBmp = new BitmapDrawable(sourceScreenBmp);
162 alphaBmp.setAlpha(255);
163 screenBmp = alphaBmp.getBitmap();
164 screenBmp.setHasAlpha(true);
165 checkBmps();
166 }
167
168 private void checkBmps() {
169 if (screenBmp != null && cameraBmp != null) {
170 combineImages(cameraBmp, screenBmp);
171 } else {
172 System.out.println("Irgendwas ist hier doch faul ");
173 }
174 }
175
176 public Bitmap combineImages(Bitmap c, Bitmap s) {
177 Bitmap cs = null;
178
179 int width, height = 0;
180
181 if (c.getWidth() > s.getWidth()) {
182 System.out.println("Unterschiedliche Breite");
183 width = c.getWidth() + s.getWidth();
184 height = c.getHeight();
185 } else {
186 System.out.println("Gleiche Breite");
187 width = s.getWidth() + s.getWidth();
188 height = c.getHeight();
189 }
190
191 cs = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);
192
193 Canvas comboImage = new Canvas(cs);
194
195 comboImage.drawBitmap(c, 0f, 0f, null);
196 comboImage.drawBitmap(s, 0f, 0f, null);
197
198 SimpleDateFormat date = new SimpleDateFormat("ddMMyyyyhhmmss");
199 picturefilename = date.format(new Date());
200 File root = Environment.getExternalStorageDirectory();
201 File file = new File(root, "/CameraOverlay/" + picturefilename + ".jpg");
202 System.out.println("Nicht leer");
203 FileOutputStream fos = null;
204
205 try {
206 fos = new FileOutputStream(file);
207 if (fos != null) {
208 cs.compress(Bitmap.CompressFormat.JPEG, 100, fos);
209 fos.close();
210 }
211 } catch (Exception e) {
212 e.printStackTrace();
213 }
214
215 return cs;
216 }
217
218 @Override
219 public void surfaceChanged(SurfaceHolder holder, int format, int width,
220 int height) {
221 // TODO Auto-generated method stub
222
223 }
224
225 @Override
226 public void surfaceCreated(SurfaceHolder holder) {
227 // TODO Auto-generated method stub
228 camera = Camera.open();
229 Parameters para = camera.getParameters();
230 para.setPictureSize(400, 400);
231 camera.setParameters(para);
232 }
233
234 @Override
235 public void surfaceDestroyed(SurfaceHolder holder) {
236 // TODO Auto-generated method stub
237
238 }
239}

1BitmapFactory.Options options = new BitmapFactory.Options();
2 options.inSampleSize = 3;
3 cameraBmp = BitmapFactory.decodeByteArray(arg0, 0, arg0.length,options);

1camera.setDisplayOrientation(90)

1@Override
2 public void surfaceCreated(SurfaceHolder holder) {
3 // TODO Auto-generated method stub
4 int width, height;
5 camera = Camera.open();
6 Parameters para = camera.getParameters();
7 width = para.getPreviewSize().width;
8 height = para.getPreviewSize().height;
9 para.setPictureSize(width, height);
10 para.setRotation(90);
11
12
13 camera.setParameters(para);
14 camera.startPreview();
15 }