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camera

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ScorpioMiku
2018-09-03 14:18:26 +08:00
parent 750d0bfabc
commit ff78b1b314
9 changed files with 332 additions and 0 deletions
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5
app/src/main/AndroidManifest.xml
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@@ -17,6 +17,10 @@
<!-- 相机权限 -->
<uses-permission android:name="android.permission.CAMERA" />
<uses-feature
android:name="android.hardware.camera"
android:required="false" />
<uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" />
<application
android:name=".NutritionMaster"
@@ -33,6 +37,7 @@
<category android:name="android.intent.category.LAUNCHER" />
</intent-filter>
</activity>
<activity android:name=".camera.FoodMaterialCamera" />
<receiver
android:name=".step.StepStarter"

63
app/src/main/java/com/example/ninefourone/nutritionmaster/camera/CameraPreview.java Normal file
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@@ -0,0 +1,63 @@
package com.example.ninefourone.nutritionmaster.camera;
import android.content.Context;
import android.hardware.Camera;
import android.view.SurfaceView;
import android.view.SurfaceHolder;
import com.orhanobut.logger.Logger;
import java.io.IOException;
/**
* Created by ScorpioMiku on 2018/9/3.
*/
public class CameraPreview extends SurfaceView implements SurfaceHolder.Callback {
private SurfaceHolder mHolder;
private Camera camera;
public CameraPreview(Context context, Camera camera) {
super(context);
this.camera = camera;
mHolder = getHolder();
mHolder.addCallback(this);
// mHolder.setType();
}
@Override
public void surfaceCreated(SurfaceHolder holder) {
try {
camera.setPreviewDisplay(holder);
camera.startPreview();
} catch (IOException e) {
Logger.e(e.getMessage());
}
}
@Override
public void surfaceChanged(SurfaceHolder holder, int format, int width, int height) {
if (mHolder.getSurface() == null) {
return;
}
try {
camera.stopPreview();
} catch (Exception e) {
e.printStackTrace();
}
try {
camera.setPreviewDisplay(mHolder);
camera.startPreview();
} catch (Exception e) {
e.printStackTrace();
}
}
@Override
public void surfaceDestroyed(SurfaceHolder holder) {
}
}

156
app/src/main/java/com/example/ninefourone/nutritionmaster/camera/FoodMaterialCamera.java Normal file
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@@ -0,0 +1,156 @@
package com.example.ninefourone.nutritionmaster.camera;
import android.content.Context;
import android.content.pm.PackageManager;
import android.hardware.Camera;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.view.View;
import android.view.Window;
import android.view.WindowManager;
import android.widget.FrameLayout;
import android.widget.ImageView;
import android.widget.TextView;
import com.example.ninefourone.nutritionmaster.R;
import com.example.ninefourone.nutritionmaster.utils.MessageUtils;
import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;
/**
* Created by ScorpioMiku on 2018/9/3.
*/
public class FoodMaterialCamera extends AppCompatActivity {
@BindView(R.id.camera_preview)
FrameLayout mCameraLayout;
@BindView(R.id.results_text_view)
TextView resultsTextView;
@BindView(R.id.more_take_photo_button_capture)
ImageView moreTakePhotoButtonCapture;
@BindView(R.id.more_takephoto_ok)
ImageView moreTakephotoOk;
@BindView(R.id.more_camera_cover_linearlayout)
FrameLayout moreCameraCoverLinearlayout;
private Camera mCamera;
private CameraPreview mPreview;
@Override
protected void onCreate(@Nullable Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
//取消toolbar
requestWindowFeature(Window.FEATURE_NO_TITLE);
//设置全屏
getWindow().setFlags(WindowManager.LayoutParams.FLAG_FULLSCREEN,
WindowManager.LayoutParams.FLAG_FULLSCREEN);
//注意：上面两个设置必须写在setContentView前面
setContentView(R.layout.cameras_layout);
ButterKnife.bind(this);
if (!checkCameraHardware(this)) {
MessageUtils.MakeToast("不支持相机");
} else {
openCamera();
}
}
/**
* 检查当前设备是否有相机
*
* @param context
* @return
*/
private boolean checkCameraHardware(Context context) {
if (context.getPackageManager().hasSystemFeature(
PackageManager.FEATURE_CAMERA)) {
return true;
} else {
return false;
}
}
/**
* 打开相机
*/
private void openCamera() {
if (null == mCamera) {
mCamera = getCameraInstance();
mPreview = new CameraPreview(this, mCamera);
// mPreview.setOnTouchListener(new View.OnTouchListener() {
// @Override
// public boolean onTouch(View v, MotionEvent event) {
// mCamera.autoFocus(null);
// return false;
// }
// });
mCameraLayout.addView(mPreview);
mCamera.startPreview();
}
}
/**
* 获取相机
*
* @return
*/
private Camera getCameraInstance() {
Camera c = null;
try {
c = Camera.open();
Camera.Parameters mParameters = c.getParameters();
mParameters.setPictureSize(720, 1280);
c.setParameters(mParameters);
} catch (Exception e) {
e.printStackTrace();
}
return c;
}
/**
* 对焦回调,对焦完成后进行拍照
*/
private Camera.AutoFocusCallback mAutoFocusCallback = new Camera.AutoFocusCallback() {
@Override
public void onAutoFocus(boolean success, Camera camera) {
if (success) {
mCamera.takePicture(null, null, mPictureCallback);
}
}
};
/**
* 拍照回调
*/
private Camera.PictureCallback mPictureCallback = new Camera.PictureCallback() {
@Override
public void onPictureTaken(final byte[] data, Camera camera) {
MessageUtils.MakeToast("拍照！");
mCamera.startPreview();
}
};
/**
* 两个按钮的事件
*
* @param view
*/
@OnClick({R.id.more_take_photo_button_capture, R.id.more_takephoto_ok})
public void onViewClicked(View view) {
switch (view.getId()) {
case R.id.more_take_photo_button_capture:
mCamera.autoFocus(mAutoFocusCallback);
break;
case R.id.more_takephoto_ok:
break;
}
}
}

19
app/src/main/java/com/example/ninefourone/nutritionmaster/utils/PermissionUtils.java Normal file
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@@ -0,0 +1,19 @@
package com.example.ninefourone.nutritionmaster.utils;
import android.content.Context;
/**
* Created by ScorpioMiku on 2018/9/3.
*/
public class PermissionUtils {
/**
* 动态获取相机权限
* @param context
* @param photoFromCamera
*/
public static void requestCameraPermission(Context context, String photoFromCamera) {
}
}

5
app/src/main/res/drawable-v24/selector.xml Normal file
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@@ -0,0 +1,5 @@
<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
<item android:state_pressed="false" android:drawable="@mipmap/camera_button" />
<item android:state_pressed="true" android:drawable="@mipmap/camera_button_pressed" />
</selector>

4
app/src/main/res/drawable/ic_ok.xml Normal file
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@@ -0,0 +1,4 @@
<vector android:height="24dp" android:viewportHeight="1024.0"
android:viewportWidth="1024.0" android:width="24dp" xmlns:android="http://schemas.android.com/apk/res/android">
<path android:fillColor="#ffffff" android:pathData="M512,62.4c-248.3,0 -449.6,201.3 -449.6,449.6s201.3,449.6 449.6,449.6 449.6,-201.3 449.6,-449.6S760.3,62.4 512,62.4zM728.1,403.9 L478.8,653.3c-4.6,4.6 -10.6,6.9 -16.6,6.9s-12,-2.3 -16.6,-6.9c-37.4,-37.4 -149.6,-149.6 -149.6,-149.6 -9.2,-9.2 -9.2,-24.1 0,-33.2 9.2,-9.2 24.1,-9.2 33.2,0l133,109.5 232.7,-209.2c9.2,-9.2 24.1,-9.2 33.2,0C737.3,379.9 737.3,394.8 728.1,403.9z"/>
</vector>

80
app/src/main/res/layout/cameras_layout.xml Normal file
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@@ -0,0 +1,80 @@
<?xml version="1.0" encoding="utf-8"?>
<FrameLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:app="http://schemas.android.com/apk/res-auto"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<LinearLayout
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical">
<FrameLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="9">
<FrameLayout
android:id="@+id/camera_preview"
android:layout_width="match_parent"
android:layout_height="match_parent">
</FrameLayout>
<TextView
android:id="@+id/results_text_view"
android:layout_width="match_parent"
android:layout_height="50dp"
android:gravity="center"
tools:text="@string/app_name" />
</FrameLayout>
<RelativeLayout
android:layout_width="match_parent"
android:layout_height="0dp"
android:layout_weight="1.2"
android:alpha="0.4"
android:background="#8A000000">
<ImageView
android:id="@+id/more_take_photo_button_capture"
android:layout_width="60dp"
android:layout_height="60dp"
android:layout_centerInParent="true"
android:src="@drawable/selector" />
<ImageView
android:id="@+id/more_takephoto_ok"
android:layout_width="50dp"
android:layout_height="60dp"
android:layout_centerVertical="true"
android:layout_marginLeft="50dp"
android:layout_marginTop="15dp"
android:layout_toRightOf="@id/more_take_photo_button_capture"
android:src="@drawable/ic_ok" />
</RelativeLayout>
</LinearLayout>
<FrameLayout
android:id="@+id/more_camera_cover_linearlayout"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:alpha="0.3"
android:background="@color/place_holder"
android:visibility="invisible">
<ProgressBar
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_gravity="center" />
</FrameLayout>
</FrameLayout>

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app/src/main/res/mipmap-xxhdpi/camera_button_pressed.png Normal file
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