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Fix 摄像头切换crash & 升级gradle版本 #1

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Fix 摄像头切换crash & 升级gradle版本 #1

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2 changes: 1 addition & 1 deletion app/build.gradle
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Original file line number Diff line number Diff line change
Expand Up @@ -30,5 +30,5 @@ dependencies {
androidTestImplementation 'com.android.support.test:runner:0.5'
androidTestImplementation 'com.android.support.test.espresso:espresso-core:2.2.2'
implementation 'com.android.support:recyclerview-v7:26.1.0'
compile 'de.hdodenhof:circleimageview:2.1.0'
implementation 'de.hdodenhof:circleimageview:2.1.0'
}
59 changes: 32 additions & 27 deletions app/src/main/java/com/example/ice/coursetable/CameraActivity.java
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Expand Up @@ -193,6 +193,7 @@ private void changeCamera(){
mCameraDevice = null;
}
mCameraID^=1;
initImageReader();
mCameraManager.openCamera(mCameraID+"", stateCallback, mainHandler);
} catch (CameraAccessException e) {
e.printStackTrace();
Expand All @@ -212,33 +213,7 @@ private void initCamera2() {

mCameraID = BACK_CAMERA;//后摄像头
Log.d(TAG, "initCamera2: "+ CameraCharacteristics.LENS_FACING_BACK);
mImageReader = ImageReader.newInstance(1080, 1920, ImageFormat.JPEG,1);
mImageReader.setOnImageAvailableListener(new ImageReader.OnImageAvailableListener() { //可以在这里处理拍照得到的临时照片 例如，写入本地
@Override
public void onImageAvailable(ImageReader reader) {
// mCameraDevice.close();
// mSurfaceView.setVisibility(View.INVISIBLE);
// 拿到拍照照片数据
Image image = reader.acquireNextImage();
ByteBuffer buffer = image.getPlanes()[0].getBuffer();
byte[] bytes = new byte[buffer.remaining()];
buffer.get(bytes);//由缓冲区存入字节数组
//保存

Bitmap bitmap = BitmapFactory.decodeByteArray(bytes, 0, bytes.length);

if (bitmap != null) {
if(mCameraID == FRONT_CAMERA){
//前置摄像头拍的要先旋转180度
bitmap = adjustPhotoRotation(bitmap,180);
}
iv_thumb.setImageBitmap(bitmap);
writeToFile(bitmap);
}

image.close();
}
}, mainHandler);
initImageReader();
//获取摄像头管理
mCameraManager = (CameraManager) getSystemService(Context.CAMERA_SERVICE);

Expand All @@ -254,6 +229,36 @@ public void onImageAvailable(ImageReader reader) {
}
}

private void initImageReader(){
mImageReader = ImageReader.newInstance(1080, 1920, ImageFormat.JPEG,1);
mImageReader.setOnImageAvailableListener(new ImageReader.OnImageAvailableListener() { //可以在这里处理拍照得到的临时照片 例如，写入本地
@Override
public void onImageAvailable(ImageReader reader) {
// mCameraDevice.close();
// mSurfaceView.setVisibility(View.INVISIBLE);
// 拿到拍照照片数据
Image image = reader.acquireNextImage();
ByteBuffer buffer = image.getPlanes()[0].getBuffer();
byte[] bytes = new byte[buffer.remaining()];
buffer.get(bytes);//由缓冲区存入字节数组
//保存

Bitmap bitmap = BitmapFactory.decodeByteArray(bytes, 0, bytes.length);

if (bitmap != null) {
if(mCameraID == FRONT_CAMERA){
//前置摄像头拍的要先旋转180度
bitmap = adjustPhotoRotation(bitmap,180);
}
iv_thumb.setImageBitmap(bitmap);
writeToFile(bitmap);
}

image.close();
}
}, mainHandler);
}

Bitmap adjustPhotoRotation(Bitmap bm, final int orientationDegree)
{
Matrix m = new Matrix();
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2 changes: 1 addition & 1 deletion build.gradle
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Expand Up @@ -7,7 +7,7 @@ buildscript {
jcenter()
}
dependencies {
classpath 'com.android.tools.build:gradle:3.0.0'
classpath 'com.android.tools.build:gradle:3.3.1'


// NOTE: Do not place your application dependencies here; they belong
Expand Down