├── .gitignore
├── README.md
├── RectangleCamera.iml
├── app
├── .gitignore
├── app.iml
├── build.gradle
├── proguard-rules.pro
└── src
│ ├── androidTest
│ └── java
│ │ └── org
│ │ └── itzheng
│ │ └── demo
│ │ └── rectanglecamera
│ │ └── ExampleInstrumentedTest.java
│ ├── main
│ ├── AndroidManifest.xml
│ ├── java
│ │ └── org
│ │ │ └── itzheng
│ │ │ └── demo
│ │ │ └── rectanglecamera
│ │ │ ├── App.java
│ │ │ ├── CameraActivity.java
│ │ │ ├── MainActivity.java
│ │ │ └── SensorController.java
│ └── res
│ │ ├── drawable
│ │ └── rec_focus_shap.xml
│ │ ├── layout
│ │ ├── activity_camera.xml
│ │ └── activity_main.xml
│ │ ├── mipmap-hdpi
│ │ └── ic_launcher.png
│ │ ├── mipmap-mdpi
│ │ └── ic_launcher.png
│ │ ├── mipmap-xhdpi
│ │ └── ic_launcher.png
│ │ ├── mipmap-xxhdpi
│ │ └── ic_launcher.png
│ │ ├── mipmap-xxxhdpi
│ │ └── ic_launcher.png
│ │ ├── values-w820dp
│ │ └── dimens.xml
│ │ └── values
│ │ ├── colors.xml
│ │ ├── dimens.xml
│ │ ├── strings.xml
│ │ └── styles.xml
│ └── test
│ └── java
│ └── org
│ └── itzheng
│ └── demo
│ └── rectanglecamera
│ └── ExampleUnitTest.java
├── build.gradle
├── gradle.properties
├── gradle
└── wrapper
│ ├── gradle-wrapper.jar
│ └── gradle-wrapper.properties
├── gradlew
├── gradlew.bat
├── local.properties
├── resource
├── 00.png
├── 01.png
└── 02.png
└── settings.gradle
/.gitignore:
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1 | *.iml
2 | .gradle
3 | *.properties
4 | .idea
5 | /build
6 |
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/README.md:
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1 | # RectangleCamera
2 | # 拍照截取指定区域的图片
3 | ***
4 | ### 拍照前
5 | 
6 |
7 | ### 拍照界面
8 | 
9 |
10 | ### 返回结果
11 | 
12 |
13 |
14 |
15 |
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/RectangleCamera.iml:
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/app/.gitignore:
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1 | *.iml
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/app/build.gradle:
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1 | apply plugin: 'com.android.application'
2 |
3 | android {
4 | compileSdkVersion 24
5 | buildToolsVersion "24.0.2"
6 | defaultConfig {
7 | applicationId "org.itzheng.demo.rectanglecamera"
8 | minSdkVersion 14
9 | targetSdkVersion 24
10 | versionCode 1
11 | versionName "1.0"
12 | testInstrumentationRunner "android.support.test.runner.AndroidJUnitRunner"
13 | }
14 | buildTypes {
15 | release {
16 | minifyEnabled false
17 | proguardFiles getDefaultProguardFile('proguard-android.txt'), 'proguard-rules.pro'
18 | }
19 | }
20 | }
21 |
22 | dependencies {
23 | compile fileTree(dir: 'libs', include: ['*.jar'])
24 | androidTestCompile('com.android.support.test.espresso:espresso-core:2.2.2', {
25 | exclude group: 'com.android.support', module: 'support-annotations'
26 | })
27 | compile 'com.android.support:appcompat-v7:24.2.0'
28 | testCompile 'junit:junit:4.12'
29 | }
30 |
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/app/proguard-rules.pro:
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1 | # Add project specific ProGuard rules here.
2 | # By default, the flags in this file are appended to flags specified
3 | # in /home/daniel/development/Sdk/tools/proguard/proguard-android.txt
4 | # You can edit the include path and order by changing the proguardFiles
5 | # directive in build.gradle.
6 | #
7 | # For more details, see
8 | # http://developer.android.com/guide/developing/tools/proguard.html
9 |
10 | # Add any project specific keep options here:
11 |
12 | # If your project uses WebView with JS, uncomment the following
13 | # and specify the fully qualified class name to the JavaScript interface
14 | # class:
15 | #-keepclassmembers class fqcn.of.javascript.interface.for.webview {
16 | # public *;
17 | #}
18 |
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/app/src/androidTest/java/org/itzheng/demo/rectanglecamera/ExampleInstrumentedTest.java:
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1 | package org.itzheng.demo.rectanglecamera;
2 |
3 | import android.content.Context;
4 | import android.support.test.InstrumentationRegistry;
5 | import android.support.test.runner.AndroidJUnit4;
6 |
7 | import org.junit.Test;
8 | import org.junit.runner.RunWith;
9 |
10 | import static org.junit.Assert.*;
11 |
12 | /**
13 | * Instrumentation test, which will execute on an Android device.
14 | *
15 | * @see Testing documentation
16 | */
17 | @RunWith(AndroidJUnit4.class)
18 | public class ExampleInstrumentedTest {
19 | @Test
20 | public void useAppContext() throws Exception {
21 | // Context of the app under test.
22 | Context appContext = InstrumentationRegistry.getTargetContext();
23 |
24 | assertEquals("org.itzheng.demo.rectanglecamera", appContext.getPackageName());
25 | }
26 | }
27 |
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/app/src/main/AndroidManifest.xml:
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/app/src/main/java/org/itzheng/demo/rectanglecamera/App.java:
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1 | package org.itzheng.demo.rectanglecamera;
2 |
3 | import android.app.Application;
4 | import android.content.Context;
5 |
6 | public class App extends Application {
7 | public static App app;
8 |
9 | @Override
10 | public void onCreate() {
11 | super.onCreate();
12 | app = this;
13 | }
14 |
15 | public static App getInstance() {
16 | return app;
17 | }
18 | }
19 |
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/app/src/main/java/org/itzheng/demo/rectanglecamera/CameraActivity.java:
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1 | package org.itzheng.demo.rectanglecamera;
2 |
3 | import android.app.Activity;
4 | import android.content.Intent;
5 | import android.graphics.Bitmap;
6 | import android.graphics.BitmapFactory;
7 | import android.graphics.Matrix;
8 | import android.graphics.PixelFormat;
9 | import android.graphics.Rect;
10 | import android.hardware.Camera;
11 | import android.os.AsyncTask;
12 | import android.os.Environment;
13 | import android.os.Handler;
14 | import android.support.v7.app.AppCompatActivity;
15 | import android.os.Bundle;
16 | import android.util.DisplayMetrics;
17 | import android.util.Log;
18 | import android.view.Display;
19 | import android.view.MotionEvent;
20 | import android.view.SurfaceHolder;
21 | import android.view.SurfaceView;
22 | import android.view.View;
23 | import android.view.WindowManager;
24 | import android.widget.LinearLayout;
25 | import android.widget.Toast;
26 |
27 | import java.io.BufferedOutputStream;
28 | import java.io.FileOutputStream;
29 | import java.io.IOException;
30 | import java.util.List;
31 |
32 | public class CameraActivity extends AppCompatActivity {
33 | private static final String TAG = "CameraActivity";
34 | public static final String EXTRA_STR_FILE_PATH = "EXTRA_STR_FILE_PATH";
35 | LinearLayout llFocus;
36 | Rect mRect = new Rect();
37 | SensorController sensorControler;
38 | private SurfaceView surfaceView;
39 | private SurfaceHolder surfaceHolder;
40 | private Camera mCamera;
41 | private Camera.Parameters mParams;
42 | private DisplayMetrics dm = new DisplayMetrics();
43 | private boolean mIsStop;
44 | private Handler mHandler = new Handler();
45 |
46 | private static void saveImage(String path, Bitmap bitmap) {
47 |
48 | try {
49 | BufferedOutputStream bos = new BufferedOutputStream(new FileOutputStream(path));
50 | bitmap.compress(Bitmap.CompressFormat.JPEG, 100, bos);
51 | bos.flush();
52 | bos.close();
53 | } catch (Exception e) {
54 | e.printStackTrace();
55 | }
56 | if ((bitmap != null) && (!bitmap.isRecycled())) {
57 | bitmap.recycle();
58 | }
59 | }
60 |
61 | /**
62 | * @param currentActivity
63 | * @param sizes 最理想的预览分辨率的宽和高
64 | * @param targetRatio
65 | * @return 获得最理想的预览尺寸
66 | */
67 | public static Camera.Size getOptimalPreviewSize(Activity currentActivity,
68 | List sizes, double targetRatio) {
69 | // Use a very small tolerance because we want an exact match.
70 | final double ASPECT_TOLERANCE = 0.001;
71 | if (sizes == null)
72 | return null;
73 |
74 | Camera.Size optimalSize = null;
75 | double minDiff = Double.MAX_VALUE;
76 |
77 | // Because of bugs of overlay and layout, we sometimes will try to
78 | // layout the viewfinder in the portrait orientation and thus get the
79 | // wrong size of mSurfaceView. When we change the preview size, the
80 | // new overlay will be created before the old one closed, which causes
81 | // an exception. For now, just get the screen size
82 |
83 | Display display = currentActivity.getWindowManager()
84 | .getDefaultDisplay();
85 | int targetHeight = Math.min(display.getHeight(), display.getWidth());
86 |
87 | if (targetHeight <= 0) {
88 | // We don't know the size of SurfaceView, use screen height
89 | targetHeight = display.getHeight();
90 | }
91 |
92 | // Try to find an size match aspect ratio and size
93 | for (Camera.Size size : sizes) {
94 | double ratio = (double) size.width / size.height;
95 | if (Math.abs(ratio - targetRatio) > ASPECT_TOLERANCE)
96 | continue;
97 | if (Math.abs(size.height - targetHeight) < minDiff) {
98 | optimalSize = size;
99 | minDiff = Math.abs(size.height - targetHeight);
100 | }
101 | }
102 |
103 | // Cannot find the one match the aspect ratio. This should not happen.
104 | // Ignore the requirement.
105 | if (optimalSize == null) {
106 | System.out.println("No preview size match the aspect ratio");
107 | minDiff = Double.MAX_VALUE;
108 | for (Camera.Size size : sizes) {
109 | if (Math.abs(size.height - targetHeight) < minDiff) {
110 | optimalSize = size;
111 | minDiff = Math.abs(size.height - targetHeight);
112 | }
113 | }
114 | }
115 | return optimalSize;
116 | }
117 |
118 | @Override
119 | protected void onCreate(Bundle savedInstanceState) {
120 | super.onCreate(savedInstanceState);
121 | setContentView(R.layout.activity_camera);
122 | //设置全屏
123 | getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
124 | WindowManager.LayoutParams.FLAG_FULLSCREEN);
125 | sensorControler = SensorController.getInstance();
126 | initView();
127 | sensorControler.setCameraFocusListener(new SensorController.CameraFocusListener() {
128 | @Override
129 | public void onFocus() {
130 | Log.d(TAG, "onFocus");
131 | autoFocus();
132 | }
133 | });
134 |
135 | }
136 |
137 | private void initView() {
138 | getWindowManager().getDefaultDisplay().getMetrics(dm);
139 | surfaceView = (SurfaceView) this.findViewById(R.id.surfaceview_camera);
140 | surfaceHolder = surfaceView.getHolder();
141 | surfaceHolder.setType(SurfaceHolder.SURFACE_TYPE_PUSH_BUFFERS);
142 | surfaceHolder.addCallback(new SurfaceHolderCallBack());
143 | llFocus = (LinearLayout) this.findViewById(R.id.llFocus);
144 | llFocus.setOnTouchListener(new View.OnTouchListener() {
145 | @Override
146 | public boolean onTouch(View view, MotionEvent motionEvent) {
147 | autoFocus();
148 | return false;
149 | }
150 | });
151 | }
152 |
153 | /**
154 | * 点击拍照
155 | *
156 | * @param v
157 | */
158 | public void imgCamera(View v) {
159 | try {
160 | mIsStop = true;
161 | //将正方形的大小映射到mRect上,为了截取大小
162 | llFocus.getGlobalVisibleRect(mRect);
163 | mCamera.takePicture(null, null, null, new CropPictureCallback());
164 | } catch (Throwable t) {
165 | t.printStackTrace();
166 | try {
167 | mCamera.startPreview();
168 | } catch (Throwable e) {
169 | e.printStackTrace();
170 | }
171 | }
172 |
173 | }
174 |
175 | public Activity getActivity() {
176 | return this;
177 | }
178 |
179 | @Override
180 | protected void onPause() {
181 | super.onPause();
182 | mIsStop = true;
183 | sensorControler.onStop();
184 | }
185 |
186 | @Override
187 | protected void onResume() {
188 | super.onResume();
189 | mIsStop = false;
190 | sensorControler.onStart();
191 | }
192 |
193 | private Camera.Size getOptimalPictureSize(List pictureSizes) {
194 | Camera.Size pictureSize = null;
195 | for (int i = 0; i < pictureSizes.size(); i++) {
196 | pictureSize = pictureSizes.get(i);
197 | if (pictureSize.width == dm.widthPixels && pictureSize.height == dm.heightPixels) {
198 | return pictureSize;
199 | }
200 | }
201 |
202 | for (int i = 0; i < pictureSizes.size(); i++) {
203 | pictureSize = pictureSizes.get(i);
204 | if (pictureSize.width > dm.widthPixels && pictureSize.height > dm.heightPixels) {
205 | return pictureSize;
206 | }
207 | }
208 | return null;
209 | }
210 |
211 | /**
212 | * 按正方形裁切图片
213 | */
214 | public void imageCrop(String filePath, Bitmap bitmap, Rect focusRect) {
215 | Log.d(TAG, "imageCrop heightPixels=" + dm.heightPixels + " widthPixels=" + dm.widthPixels);
216 | Log.d(TAG, "imageCrop bitmap w=" + bitmap.getWidth() + " h=" + bitmap.getHeight());
217 | Log.d(TAG, "imageCrop focusRect left=" + focusRect.left + " top=" + focusRect.top);
218 | // 下面这句是关键
219 | float wScale = (float) bitmap.getWidth() / dm.heightPixels;
220 | float hScale = (float) bitmap.getHeight() / dm.widthPixels;
221 | Log.d(TAG, "imageCrop wScale=" + wScale + " hScale=" + hScale);
222 | int x = (int) (focusRect.left * wScale);
223 | int y = (int) (focusRect.top * hScale);
224 | Log.d(TAG, "imageCrop x=" + x + " y=" + y);
225 | int width = focusRect.width();
226 | int height = focusRect.height();
227 | Log.d(TAG, "imageCrop width=" + width + " height=" + height);
228 | // Camera.Size size = mCamera.getParameters().getPreviewSize();
229 | Bitmap bitmapTemp = Bitmap.createBitmap(bitmap, focusRect.left, focusRect.top, width, height);
230 | //saveImage(filePath, toGrayscale(bitmapTemp));
231 | saveImage(filePath, bitmapTemp);
232 | }
233 |
234 | /**
235 | * @return ${return_type} 返回类型
236 | * @throws
237 | * @Title: 关闭相机
238 | * @Description: 释放相机资源
239 | */
240 | public Camera closeCamera(Camera camera) {
241 | try {
242 | if (camera != null) {
243 | mParams = null;
244 | camera.setPreviewCallback(null);
245 | camera.stopPreview();
246 | camera.release();
247 | camera = null;
248 | }
249 | } catch (Exception e) {
250 | Log.i("TAG", e.getMessage());
251 | }
252 | return camera;
253 | }
254 |
255 | /**
256 | * 打开闪光灯
257 | */
258 | public void openLight() {
259 | if (mCamera != null) {
260 | Camera.Parameters parameter = mCamera.getParameters();
261 | parameter.setFlashMode(Camera.Parameters.FLASH_MODE_TORCH);
262 | mCamera.setParameters(parameter);
263 | }
264 | }
265 |
266 | /**
267 | * 关闭闪光灯
268 | */
269 | public void offLight() {
270 | if (mCamera != null) {
271 | Camera.Parameters parameter = mCamera.getParameters();
272 | parameter.setFlashMode(Camera.Parameters.FLASH_MODE_OFF);
273 | mCamera.setParameters(parameter);
274 | }
275 | }
276 |
277 | @Override
278 | protected void onDestroy() {
279 | super.onDestroy();
280 | closeCamera(mCamera);
281 | }
282 |
283 | public void autoFocus() {
284 | if (mCamera != null) {
285 | try {
286 | if (mCamera.getParameters().getSupportedFocusModes() != null && mCamera.getParameters()
287 | .getSupportedFocusModes().contains(Camera.Parameters.FOCUS_MODE_AUTO)) {
288 | mCamera.autoFocus(new Camera.AutoFocusCallback() {
289 | public void onAutoFocus(boolean success, Camera camera) {
290 | mIsStop = success;
291 | }
292 | });
293 | } else {
294 | // Log.e(TAG, getString(R.string.unsupport_auto_focus));
295 | }
296 | } catch (Exception e) {
297 | e.printStackTrace();
298 | mCamera.stopPreview();
299 | mCamera.startPreview();
300 | // Log.e(TAG, getString(R.string.toast_autofocus_failure));
301 | }
302 | }
303 | }
304 |
305 | /**
306 | * 拍照完成的回调
307 | */
308 | private final class CropPictureCallback implements Camera.PictureCallback {
309 |
310 | @Override
311 | public void onPictureTaken(byte[] data, Camera camera) {
312 | new SavePicTask(data).execute();
313 | try {
314 | mIsStop = false;
315 | camera.startPreview(); // 拍完照后，重新开始预览
316 | } catch (Exception e) {
317 | e.printStackTrace();
318 | }
319 |
320 | }
321 | }
322 |
323 | private class SavePicTask extends AsyncTask {
324 | long currentTime = 0;
325 | private byte[] data;
326 |
327 | SavePicTask(byte[] data) {
328 | this.data = data;
329 | }
330 |
331 | protected void onPreExecute() {
332 | // showProgressDialog("处理中");
333 | }
334 |
335 | @Override
336 | protected String doInBackground(Void... params) {
337 | Bitmap bitmap = null;
338 | try {
339 | bitmap = BitmapFactory.decodeByteArray(data, 0, data.length);
340 | } catch (OutOfMemoryError e) {
341 | e.printStackTrace();
342 | }
343 | String filePath = Environment.getExternalStorageDirectory().getAbsolutePath() + "/myPhoto.jpg";
344 | if (bitmap != null) {
345 | if (bitmap.getWidth() > dm.widthPixels && bitmap.getHeight() > dm.heightPixels) {
346 | //获取宽高比
347 | Matrix matrix = new Matrix();
348 | int width = bitmap.getWidth();//获取资源位图的宽
349 | int height = bitmap.getHeight();//获取资源位图的高
350 | int newWidth = dm.widthPixels;
351 | int newHeight = dm.heightPixels;
352 |
353 | float scaleW = (float) newWidth / (float) width;
354 | float scaleH = (float) newHeight / (float) height;
355 | if (scaleW < 1 && scaleH < 1) {//需要裁剪才裁剪
356 | //避免图片变形,缩放比例保持一致
357 | if (scaleW > scaleH) {
358 | matrix.postScale(scaleW, scaleW);//获取缩放比例
359 | } else {
360 | matrix.postScale(scaleH, scaleH);//获取缩放比例
361 | }
362 | bitmap = Bitmap.createBitmap(bitmap, 0, 0,
363 | width, height, matrix, true); //根据缩放比例获取新的位图
364 | }
365 | //
366 | int left = (bitmap.getWidth() - newWidth) / 2;
367 | int top = (bitmap.getHeight() - newHeight) / 2;
368 | bitmap = Bitmap.createBitmap(bitmap, 0, top, newWidth, newHeight);
369 | Log.d(TAG, "doInBackground DisplayMetrics" + "newWidth " + newWidth + " newHeight" + newHeight);
370 | }
371 | imageCrop(filePath, bitmap, mRect);
372 | Intent intent = new Intent();
373 | intent.putExtra(EXTRA_STR_FILE_PATH, filePath);
374 | setResult(Activity.RESULT_OK, intent);
375 | finish();
376 | }
377 | return filePath;
378 | }
379 |
380 | @Override
381 | protected void onPostExecute(final String result) {
382 | super.onPostExecute(result);
383 |
384 | }
385 | }
386 |
387 | public class SurfaceHolderCallBack implements SurfaceHolder.Callback {
388 |
389 | @Override
390 | public void surfaceCreated(SurfaceHolder surfaceHolder) {
391 | try {
392 | if (null == mCamera) {
393 | mCamera = Camera.open();
394 | }
395 | mHandler.postDelayed(new Runnable() {
396 | @Override
397 | public void run() {
398 | if (!mIsStop) {
399 | autoFocus();
400 | mHandler.postDelayed(this, 2500);
401 | }
402 |
403 | }
404 | }, 1000);
405 | } catch (Exception e) {
406 | Toast.makeText(App.getInstance(), "暂未获取到拍照权限", Toast.LENGTH_SHORT).show();
407 | e.printStackTrace();
408 | }
409 | }
410 |
411 |
412 | @Override
413 | public void surfaceChanged(SurfaceHolder surfaceHolder, int i, int i1, int i2) {
414 | if (mCamera != null) {
415 | mParams = mCamera.getParameters();
416 | mParams.setPictureFormat(PixelFormat.JPEG);//设置拍照后存储的图片格式
417 | //设置PreviewSize和PictureSize
418 | List pictureSizes = mParams.getSupportedPictureSizes();
419 | Camera.Size size = getOptimalPictureSize(pictureSizes);
420 | if (size == null) {
421 | Toast.makeText(getApplication(), "相机出错,请尝试换一台手机!", Toast.LENGTH_SHORT).show();
422 | } else {
423 | System.out.println("surfaceChanged picture size width=" + size.width + " height=" + size.height);
424 | mParams.setPictureSize(size.width, size.height);
425 | }
426 | if (mParams.getSupportedFocusModes().contains(
427 | mParams.FOCUS_MODE_AUTO)) {
428 | mParams.setFocusMode(mParams.FOCUS_MODE_AUTO);
429 | }
430 | Log.d("surfaceChanged", "widthPixels=" + dm.widthPixels + " heightPixels=" + dm.heightPixels);
431 | Camera.Size optimalPreviewSize = getOptimalPreviewSize(getActivity(),
432 | mParams.getSupportedPreviewSizes(),
433 | (float) dm.widthPixels / dm.heightPixels);
434 | mParams.setPreviewSize(optimalPreviewSize.width,
435 | optimalPreviewSize.height);
436 | try {
437 | mCamera.setPreviewDisplay(surfaceHolder);
438 | } catch (IOException e) {
439 | // TODO Auto-generated catch block
440 | e.printStackTrace();
441 | }
442 | mCamera.setParameters(mParams);
443 | try {
444 | // mCamera.setParameters(mParams);
445 | } catch (Exception e) {
446 | e.printStackTrace();
447 | }
448 | mCamera.startPreview();
449 | Log.d(TAG, "mParams heightPixels=" + mParams.getPictureSize().height + " widthPixels=" + mParams.getPictureSize().width);
450 | }
451 | }
452 |
453 | @Override
454 | public void surfaceDestroyed(SurfaceHolder surfaceHolder) {
455 |
456 | }
457 | }
458 | }
459 |
--------------------------------------------------------------------------------
/app/src/main/java/org/itzheng/demo/rectanglecamera/MainActivity.java:
--------------------------------------------------------------------------------
1 | package org.itzheng.demo.rectanglecamera;
2 |
3 | import android.app.Activity;
4 | import android.content.Intent;
5 | import android.graphics.Bitmap;
6 | import android.graphics.BitmapFactory;
7 | import android.os.Bundle;
8 | import android.support.v7.app.AppCompatActivity;
9 | import android.text.TextUtils;
10 | import android.util.Log;
11 | import android.view.View;
12 | import android.widget.ImageView;
13 |
14 | import java.io.FileInputStream;
15 | import java.io.FileNotFoundException;
16 |
17 | public class MainActivity extends AppCompatActivity {
18 | private static final String TAG = "MainActivity";
19 | private static final int REQUEST_CODE = 0x0001;
20 | private ImageView imgMyPhoto;
21 |
22 | @Override
23 | protected void onCreate(Bundle savedInstanceState) {
24 | super.onCreate(savedInstanceState);
25 | setContentView(R.layout.activity_main);
26 | imgMyPhoto = (ImageView) findViewById(R.id.imgMyPhoto);
27 | setTitle("this is title");
28 | }
29 |
30 | public void takePic(View view) {
31 | startActivityForResult(new Intent(this, CameraActivity.class), REQUEST_CODE);
32 | }
33 |
34 | @Override
35 | protected void onActivityResult(int requestCode, int resultCode, Intent data) {
36 | super.onActivityResult(requestCode, resultCode, data);
37 | if (REQUEST_CODE == requestCode && resultCode == Activity.RESULT_OK) {
38 | if (data == null) {
39 | Log.e(TAG, "onActivityResult: data == null");
40 | } else {
41 | String imgPath = data.getStringExtra(CameraActivity.EXTRA_STR_FILE_PATH);
42 | if (TextUtils.isEmpty(imgPath)) {
43 | Log.e(TAG, "onActivityResult: imgPath is Empty");
44 | } else
45 | imgMyPhoto.setImageBitmap(getLoacalBitmap(imgPath));
46 | }
47 | } else {
48 | Log.e(TAG, "onActivityResult: request fail");
49 | }
50 | }
51 |
52 |
53 | /**
54 | * 加载本地图片
55 | *
56 | * @param url
57 | * @return
58 | */
59 | public static Bitmap getLoacalBitmap(String url) {
60 | try {
61 | FileInputStream fis = new FileInputStream(url);
62 | return BitmapFactory.decodeStream(fis); ///把流转化为Bitmap图片
63 | } catch (FileNotFoundException e) {
64 | e.printStackTrace();
65 | return null;
66 | }
67 | }
68 | }
69 |
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/app/src/main/java/org/itzheng/demo/rectanglecamera/SensorController.java:
--------------------------------------------------------------------------------
1 | package org.itzheng.demo.rectanglecamera;
2 |
3 | import android.app.Activity;
4 | import android.hardware.Sensor;
5 | import android.hardware.SensorEvent;
6 | import android.hardware.SensorEventListener;
7 | import android.hardware.SensorManager;
8 | import android.util.Log;
9 |
10 | import java.util.Calendar;
11 |
12 | /**
13 | * 加速度控制器 用来控制对焦
14 | */
15 | public class SensorController implements SensorEventListener {
16 | private static final String TAG = "SensorController";
17 | public static final int DELAY_DURATION = 500;
18 | public static final int STATUS_NONE = 0;
19 | public static final int STATUS_STATIC = 1;
20 | public static final int STATUS_MOVE = 2;
21 | private static SensorController mInstance;
22 | private boolean isFocusing = false;
23 | private boolean canFocusIn = false; //内部是否能够对焦控制机制
24 | private boolean canFocus = false;
25 | private SensorManager mSensorManager;
26 | private Sensor mSensor;
27 | private int mX, mY, mZ;
28 | private long lastStaticStamp = 0;
29 | private int STATUE = STATUS_NONE;
30 | private CameraFocusListener mCameraFocusListener;
31 | private int focusing = 1; //1 表示没有被锁定 0表示被锁定
32 |
33 | private SensorController() {
34 | mSensorManager = (SensorManager) App.getInstance().getSystemService(Activity.SENSOR_SERVICE);
35 | if (mSensorManager != null) {
36 | mSensor = mSensorManager.getDefaultSensor(Sensor.TYPE_ACCELEROMETER);// TYPE_GRAVITY
37 | }
38 | }
39 |
40 | public static SensorController getInstance() {
41 | if (mInstance == null) {
42 | mInstance = new SensorController();
43 | }
44 | return mInstance;
45 | }
46 |
47 | public void setCameraFocusListener(CameraFocusListener mCameraFocusListener) {
48 | this.mCameraFocusListener = mCameraFocusListener;
49 | }
50 |
51 | // @Override
52 | public void onStart() {
53 | restParams();
54 | canFocus = true;
55 | if (mSensor != null) {
56 | mSensorManager.registerListener(this, mSensor,
57 | SensorManager.SENSOR_DELAY_NORMAL);
58 | } else {
59 | throw new RuntimeException("sensor is a null object");
60 | }
61 | }
62 |
63 | // @Override
64 | public void onStop() {
65 | if (mSensor != null) {
66 | mSensorManager.unregisterListener(this, mSensor);
67 | } else {
68 | throw new RuntimeException("sensor is a null object");
69 | }
70 | canFocus = false;
71 | }
72 |
73 | @Override
74 | public void onAccuracyChanged(Sensor sensor, int accuracy) {
75 | Log.d(TAG, "onAccuracyChanged()");
76 | }
77 |
78 |
79 | @Override
80 | public void onSensorChanged(SensorEvent event) {
81 | // Log.d(TAG, "onSensorChanged()");
82 | if (event.sensor == null) {
83 | return;
84 | }
85 |
86 | if (isFocusing) {
87 | restParams();
88 | return;
89 | }
90 |
91 | if (event.sensor.getType() == Sensor.TYPE_ACCELEROMETER) {
92 | int x = (int) event.values[0];
93 | int y = (int) event.values[1];
94 | int z = (int) event.values[2];
95 | Calendar mCalendar = Calendar.getInstance();
96 | long stamp = mCalendar.getTimeInMillis();// 1393844912
97 |
98 | int second = mCalendar.get(Calendar.SECOND);// 53
99 |
100 | if (STATUE != STATUS_NONE) {
101 | int px = Math.abs(mX - x);
102 | int py = Math.abs(mY - y);
103 | int pz = Math.abs(mZ - z);
104 | // Log.d(TAG, "pX:" + px + " pY:" + py + " pZ:" + pz + " stamp:"
105 | // + stamp + " second:" + second);
106 | double value = Math.sqrt(px * px + py * py + pz * pz);
107 | if (value > 1) {
108 | // textviewF.setText("检测手机在移动..");
109 | // Log.i(TAG,"mobile moving");
110 | STATUE = STATUS_MOVE;
111 | } else {
112 | // textviewF.setText("检测手机静止..");
113 | // Log.i(TAG,"mobile static");
114 | //上一次状态是move，记录静态时间点
115 | if (STATUE == STATUS_MOVE) {
116 | lastStaticStamp = stamp;
117 | canFocusIn = true;
118 | }
119 |
120 | if (canFocusIn) {
121 | if (stamp - lastStaticStamp > DELAY_DURATION) {
122 | //移动后静止一段时间，可以发生对焦行为
123 | if (!isFocusing) {
124 | canFocusIn = false;
125 | // onCameraFocus();
126 | if (mCameraFocusListener != null) {
127 | mCameraFocusListener.onFocus();
128 | }
129 | // Log.i(TAG,"mobile focusing");
130 | }
131 | }
132 | }
133 |
134 | STATUE = STATUS_STATIC;
135 | }
136 | } else {
137 | lastStaticStamp = stamp;
138 | STATUE = STATUS_STATIC;
139 | }
140 |
141 | mX = x;
142 | mY = y;
143 | mZ = z;
144 | }
145 | }
146 |
147 | private void restParams() {
148 | STATUE = STATUS_NONE;
149 | canFocusIn = false;
150 | mX = 0;
151 | mY = 0;
152 | mZ = 0;
153 | }
154 |
155 | /**
156 | * 对焦是否被锁定
157 | *
158 | * @return
159 | */
160 | public boolean isFocusLocked() {
161 | if (canFocus) {
162 | return focusing <= 0;
163 | }
164 | return false;
165 | }
166 |
167 | /**
168 | * 锁定对焦
169 | */
170 | public void lockFocus() {
171 | isFocusing = true;
172 | focusing--;
173 | Log.i(TAG, "lockFocus");
174 | }
175 |
176 | /**
177 | * 解锁对焦
178 | */
179 | public void unlockFocus() {
180 | isFocusing = false;
181 | focusing++;
182 | Log.i(TAG, "unlockFocus");
183 | }
184 |
185 | public void restFoucs() {
186 | focusing = 1;
187 | }
188 |
189 | public interface CameraFocusListener {
190 | void onFocus();
191 | }
192 | }
193 |
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/app/src/main/res/drawable/rec_focus_shap.xml:
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1 |
2 |
3 |
4 |
5 |
6 |
7 |
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/app/src/main/res/layout/activity_camera.xml:
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1 |
2 |
6 |
7 |
11 |
12 |
17 |
18 |
23 |
24 |
28 |
29 |
34 |
35 |
40 |
41 |
47 |
48 |
53 |
54 |
61 |
62 |
63 |
64 |
65 |
70 |
71 |
72 |
77 |
78 |
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/app/src/main/res/layout/activity_main.xml:
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1 |
2 |
9 |
10 |
15 |
16 |
22 |
23 |
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/app/src/main/res/mipmap-hdpi/ic_launcher.png:
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https://raw.githubusercontent.com/itzheng/RectangleCamera/a5dca32b40af2aa20a0f36b8cba5042430910799/app/src/main/res/mipmap-hdpi/ic_launcher.png
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/app/src/main/res/mipmap-mdpi/ic_launcher.png:
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https://raw.githubusercontent.com/itzheng/RectangleCamera/a5dca32b40af2aa20a0f36b8cba5042430910799/app/src/main/res/mipmap-mdpi/ic_launcher.png
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/app/src/main/res/mipmap-xhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/itzheng/RectangleCamera/a5dca32b40af2aa20a0f36b8cba5042430910799/app/src/main/res/mipmap-xhdpi/ic_launcher.png
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/app/src/main/res/mipmap-xxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/itzheng/RectangleCamera/a5dca32b40af2aa20a0f36b8cba5042430910799/app/src/main/res/mipmap-xxhdpi/ic_launcher.png
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/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png:
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https://raw.githubusercontent.com/itzheng/RectangleCamera/a5dca32b40af2aa20a0f36b8cba5042430910799/app/src/main/res/mipmap-xxxhdpi/ic_launcher.png
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/app/src/main/res/values-w820dp/dimens.xml:
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1 |
2 |
5 | 64dp
6 |
7 |
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/app/src/main/res/values/colors.xml:
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1 |
2 |
3 | #3F51B5
4 | #303F9F
5 | #FF4081
6 | #883F51B5
7 |
8 |
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/app/src/main/res/values/dimens.xml:
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1 |
2 |
3 | 16dp
4 | 16dp
5 |
6 |
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/app/src/main/res/values/strings.xml:
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1 |
2 | RectangleCamera
3 | org.itzheng.demo.rectanglecamera
4 |
5 |
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/app/src/main/res/values/styles.xml:
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1 |
2 |
3 |
4 |
10 |
11 |
16 |
17 |
18 |
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/app/src/test/java/org/itzheng/demo/rectanglecamera/ExampleUnitTest.java:
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1 | package org.itzheng.demo.rectanglecamera;
2 |
3 | import org.junit.Test;
4 |
5 | import static org.junit.Assert.*;
6 |
7 | /**
8 | * Example local unit test, which will execute on the development machine (host).
9 | *
10 | * @see Testing documentation
11 | */
12 | public class ExampleUnitTest {
13 | @Test
14 | public void addition_isCorrect() throws Exception {
15 | assertEquals(4, 2 + 2);
16 | }
17 | }
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/build.gradle:
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1 | // Top-level build file where you can add configuration options common to all sub-projects/modules.
2 |
3 | buildscript {
4 | repositories {
5 | jcenter()
6 | }
7 | dependencies {
8 | classpath 'com.android.tools.build:gradle:2.2.2'
9 |
10 | // NOTE: Do not place your application dependencies here; they belong
11 | // in the individual module build.gradle files
12 | }
13 | }
14 |
15 | allprojects {
16 | repositories {
17 | jcenter()
18 | }
19 | }
20 |
21 | task clean(type: Delete) {
22 | delete rootProject.buildDir
23 | }
24 |
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/gradle.properties:
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1 | # Project-wide Gradle settings.
2 |
3 | # IDE (e.g. Android Studio) users:
4 | # Gradle settings configured through the IDE *will override*
5 | # any settings specified in this file.
6 |
7 | # For more details on how to configure your build environment visit
8 | # http://www.gradle.org/docs/current/userguide/build_environment.html
9 |
10 | # Specifies the JVM arguments used for the daemon process.
11 | # The setting is particularly useful for tweaking memory settings.
12 | org.gradle.jvmargs=-Xmx1536m
13 |
14 | # When configured, Gradle will run in incubating parallel mode.
15 | # This option should only be used with decoupled projects. More details, visit
16 | # http://www.gradle.org/docs/current/userguide/multi_project_builds.html#sec:decoupled_projects
17 | # org.gradle.parallel=true
18 |
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/gradle/wrapper/gradle-wrapper.jar:
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https://raw.githubusercontent.com/itzheng/RectangleCamera/a5dca32b40af2aa20a0f36b8cba5042430910799/gradle/wrapper/gradle-wrapper.jar
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/gradle/wrapper/gradle-wrapper.properties:
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1 | #Mon Dec 28 10:00:20 PST 2015
2 | distributionBase=GRADLE_USER_HOME
3 | distributionPath=wrapper/dists
4 | zipStoreBase=GRADLE_USER_HOME
5 | zipStorePath=wrapper/dists
6 | distributionUrl=https\://services.gradle.org/distributions/gradle-2.14.1-all.zip
7 |
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/gradlew:
--------------------------------------------------------------------------------
1 | #!/usr/bin/env bash
2 |
3 | ##############################################################################
4 | ##
5 | ## Gradle start up script for UN*X
6 | ##
7 | ##############################################################################
8 |
9 | # Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
10 | DEFAULT_JVM_OPTS=""
11 |
12 | APP_NAME="Gradle"
13 | APP_BASE_NAME=`basename "$0"`
14 |
15 | # Use the maximum available, or set MAX_FD != -1 to use that value.
16 | MAX_FD="maximum"
17 |
18 | warn ( ) {
19 | echo "$*"
20 | }
21 |
22 | die ( ) {
23 | echo
24 | echo "$*"
25 | echo
26 | exit 1
27 | }
28 |
29 | # OS specific support (must be 'true' or 'false').
30 | cygwin=false
31 | msys=false
32 | darwin=false
33 | case "`uname`" in
34 | CYGWIN* )
35 | cygwin=true
36 | ;;
37 | Darwin* )
38 | darwin=true
39 | ;;
40 | MINGW* )
41 | msys=true
42 | ;;
43 | esac
44 |
45 | # Attempt to set APP_HOME
46 | # Resolve links: $0 may be a link
47 | PRG="$0"
48 | # Need this for relative symlinks.
49 | while [ -h "$PRG" ] ; do
50 | ls=`ls -ld "$PRG"`
51 | link=`expr "$ls" : '.*-> \(.*\)$'`
52 | if expr "$link" : '/.*' > /dev/null; then
53 | PRG="$link"
54 | else
55 | PRG=`dirname "$PRG"`"/$link"
56 | fi
57 | done
58 | SAVED="`pwd`"
59 | cd "`dirname \"$PRG\"`/" >/dev/null
60 | APP_HOME="`pwd -P`"
61 | cd "$SAVED" >/dev/null
62 |
63 | CLASSPATH=$APP_HOME/gradle/wrapper/gradle-wrapper.jar
64 |
65 | # Determine the Java command to use to start the JVM.
66 | if [ -n "$JAVA_HOME" ] ; then
67 | if [ -x "$JAVA_HOME/jre/sh/java" ] ; then
68 | # IBM's JDK on AIX uses strange locations for the executables
69 | JAVACMD="$JAVA_HOME/jre/sh/java"
70 | else
71 | JAVACMD="$JAVA_HOME/bin/java"
72 | fi
73 | if [ ! -x "$JAVACMD" ] ; then
74 | die "ERROR: JAVA_HOME is set to an invalid directory: $JAVA_HOME
75 |
76 | Please set the JAVA_HOME variable in your environment to match the
77 | location of your Java installation."
78 | fi
79 | else
80 | JAVACMD="java"
81 | which java >/dev/null 2>&1 || die "ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
82 |
83 | Please set the JAVA_HOME variable in your environment to match the
84 | location of your Java installation."
85 | fi
86 |
87 | # Increase the maximum file descriptors if we can.
88 | if [ "$cygwin" = "false" -a "$darwin" = "false" ] ; then
89 | MAX_FD_LIMIT=`ulimit -H -n`
90 | if [ $? -eq 0 ] ; then
91 | if [ "$MAX_FD" = "maximum" -o "$MAX_FD" = "max" ] ; then
92 | MAX_FD="$MAX_FD_LIMIT"
93 | fi
94 | ulimit -n $MAX_FD
95 | if [ $? -ne 0 ] ; then
96 | warn "Could not set maximum file descriptor limit: $MAX_FD"
97 | fi
98 | else
99 | warn "Could not query maximum file descriptor limit: $MAX_FD_LIMIT"
100 | fi
101 | fi
102 |
103 | # For Darwin, add options to specify how the application appears in the dock
104 | if $darwin; then
105 | GRADLE_OPTS="$GRADLE_OPTS \"-Xdock:name=$APP_NAME\" \"-Xdock:icon=$APP_HOME/media/gradle.icns\""
106 | fi
107 |
108 | # For Cygwin, switch paths to Windows format before running java
109 | if $cygwin ; then
110 | APP_HOME=`cygpath --path --mixed "$APP_HOME"`
111 | CLASSPATH=`cygpath --path --mixed "$CLASSPATH"`
112 | JAVACMD=`cygpath --unix "$JAVACMD"`
113 |
114 | # We build the pattern for arguments to be converted via cygpath
115 | ROOTDIRSRAW=`find -L / -maxdepth 1 -mindepth 1 -type d 2>/dev/null`
116 | SEP=""
117 | for dir in $ROOTDIRSRAW ; do
118 | ROOTDIRS="$ROOTDIRS$SEP$dir"
119 | SEP="|"
120 | done
121 | OURCYGPATTERN="(^($ROOTDIRS))"
122 | # Add a user-defined pattern to the cygpath arguments
123 | if [ "$GRADLE_CYGPATTERN" != "" ] ; then
124 | OURCYGPATTERN="$OURCYGPATTERN|($GRADLE_CYGPATTERN)"
125 | fi
126 | # Now convert the arguments - kludge to limit ourselves to /bin/sh
127 | i=0
128 | for arg in "$@" ; do
129 | CHECK=`echo "$arg"|egrep -c "$OURCYGPATTERN" -`
130 | CHECK2=`echo "$arg"|egrep -c "^-"` ### Determine if an option
131 |
132 | if [ $CHECK -ne 0 ] && [ $CHECK2 -eq 0 ] ; then ### Added a condition
133 | eval `echo args$i`=`cygpath --path --ignore --mixed "$arg"`
134 | else
135 | eval `echo args$i`="\"$arg\""
136 | fi
137 | i=$((i+1))
138 | done
139 | case $i in
140 | (0) set -- ;;
141 | (1) set -- "$args0" ;;
142 | (2) set -- "$args0" "$args1" ;;
143 | (3) set -- "$args0" "$args1" "$args2" ;;
144 | (4) set -- "$args0" "$args1" "$args2" "$args3" ;;
145 | (5) set -- "$args0" "$args1" "$args2" "$args3" "$args4" ;;
146 | (6) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" ;;
147 | (7) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" ;;
148 | (8) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" ;;
149 | (9) set -- "$args0" "$args1" "$args2" "$args3" "$args4" "$args5" "$args6" "$args7" "$args8" ;;
150 | esac
151 | fi
152 |
153 | # Split up the JVM_OPTS And GRADLE_OPTS values into an array, following the shell quoting and substitution rules
154 | function splitJvmOpts() {
155 | JVM_OPTS=("$@")
156 | }
157 | eval splitJvmOpts $DEFAULT_JVM_OPTS $JAVA_OPTS $GRADLE_OPTS
158 | JVM_OPTS[${#JVM_OPTS[*]}]="-Dorg.gradle.appname=$APP_BASE_NAME"
159 |
160 | exec "$JAVACMD" "${JVM_OPTS[@]}" -classpath "$CLASSPATH" org.gradle.wrapper.GradleWrapperMain "$@"
161 |
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/gradlew.bat:
--------------------------------------------------------------------------------
1 | @if "%DEBUG%" == "" @echo off
2 | @rem ##########################################################################
3 | @rem
4 | @rem Gradle startup script for Windows
5 | @rem
6 | @rem ##########################################################################
7 |
8 | @rem Set local scope for the variables with windows NT shell
9 | if "%OS%"=="Windows_NT" setlocal
10 |
11 | @rem Add default JVM options here. You can also use JAVA_OPTS and GRADLE_OPTS to pass JVM options to this script.
12 | set DEFAULT_JVM_OPTS=
13 |
14 | set DIRNAME=%~dp0
15 | if "%DIRNAME%" == "" set DIRNAME=.
16 | set APP_BASE_NAME=%~n0
17 | set APP_HOME=%DIRNAME%
18 |
19 | @rem Find java.exe
20 | if defined JAVA_HOME goto findJavaFromJavaHome
21 |
22 | set JAVA_EXE=java.exe
23 | %JAVA_EXE% -version >NUL 2>&1
24 | if "%ERRORLEVEL%" == "0" goto init
25 |
26 | echo.
27 | echo ERROR: JAVA_HOME is not set and no 'java' command could be found in your PATH.
28 | echo.
29 | echo Please set the JAVA_HOME variable in your environment to match the
30 | echo location of your Java installation.
31 |
32 | goto fail
33 |
34 | :findJavaFromJavaHome
35 | set JAVA_HOME=%JAVA_HOME:"=%
36 | set JAVA_EXE=%JAVA_HOME%/bin/java.exe
37 |
38 | if exist "%JAVA_EXE%" goto init
39 |
40 | echo.
41 | echo ERROR: JAVA_HOME is set to an invalid directory: %JAVA_HOME%
42 | echo.
43 | echo Please set the JAVA_HOME variable in your environment to match the
44 | echo location of your Java installation.
45 |
46 | goto fail
47 |
48 | :init
49 | @rem Get command-line arguments, handling Windowz variants
50 |
51 | if not "%OS%" == "Windows_NT" goto win9xME_args
52 | if "%@eval[2+2]" == "4" goto 4NT_args
53 |
54 | :win9xME_args
55 | @rem Slurp the command line arguments.
56 | set CMD_LINE_ARGS=
57 | set _SKIP=2
58 |
59 | :win9xME_args_slurp
60 | if "x%~1" == "x" goto execute
61 |
62 | set CMD_LINE_ARGS=%*
63 | goto execute
64 |
65 | :4NT_args
66 | @rem Get arguments from the 4NT Shell from JP Software
67 | set CMD_LINE_ARGS=%$
68 |
69 | :execute
70 | @rem Setup the command line
71 |
72 | set CLASSPATH=%APP_HOME%\gradle\wrapper\gradle-wrapper.jar
73 |
74 | @rem Execute Gradle
75 | "%JAVA_EXE%" %DEFAULT_JVM_OPTS% %JAVA_OPTS% %GRADLE_OPTS% "-Dorg.gradle.appname=%APP_BASE_NAME%" -classpath "%CLASSPATH%" org.gradle.wrapper.GradleWrapperMain %CMD_LINE_ARGS%
76 |
77 | :end
78 | @rem End local scope for the variables with windows NT shell
79 | if "%ERRORLEVEL%"=="0" goto mainEnd
80 |
81 | :fail
82 | rem Set variable GRADLE_EXIT_CONSOLE if you need the _script_ return code instead of
83 | rem the _cmd.exe /c_ return code!
84 | if not "" == "%GRADLE_EXIT_CONSOLE%" exit 1
85 | exit /b 1
86 |
87 | :mainEnd
88 | if "%OS%"=="Windows_NT" endlocal
89 |
90 | :omega
91 |
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/local.properties:
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1 | ## This file is automatically generated by Android Studio.
2 | # Do not modify this file -- YOUR CHANGES WILL BE ERASED!
3 | #
4 | # This file should *NOT* be checked into Version Control Systems,
5 | # as it contains information specific to your local configuration.
6 | #
7 | # Location of the SDK. This is only used by Gradle.
8 | # For customization when using a Version Control System, please read the
9 | # header note.
10 | sdk.dir=/home/daniel/development/Sdk
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/resource/00.png:
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https://raw.githubusercontent.com/itzheng/RectangleCamera/a5dca32b40af2aa20a0f36b8cba5042430910799/resource/00.png
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/resource/01.png:
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https://raw.githubusercontent.com/itzheng/RectangleCamera/a5dca32b40af2aa20a0f36b8cba5042430910799/resource/01.png
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/resource/02.png:
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https://raw.githubusercontent.com/itzheng/RectangleCamera/a5dca32b40af2aa20a0f36b8cba5042430910799/resource/02.png
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/settings.gradle:
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1 | include ':app'
2 |
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