之前写过一篇博客，那篇博客对7.0手机裁剪图片的问题没有进行解决，现在对之前的那篇博客进行补充，解决了Android6.0，7.0，8.0版本问题，不仅可以调用相册，相机，还可以将图片保存到本地，并且裁剪成圆形图片
必要的权限：
<uses-permission android:name="android.permission.CAMERA" /><uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE" /><uses-permission android:name="android.permission.MOUNT_UNMOUNT_FILESYSTEMS" /><uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE" /><uses-permission android:name="android.permission.INTERNET" />
在res文件下建一个文件夹xml xml文件夹下一个文件file_path
<?xml version="1.0" encoding="utf-8"?><paths xmlns:android="/apk/res/android"><external-pathname="external_storage_root"path="." /></paths>
AndroidManifest:
<application...<providerandroid:name="android.support.v4.content.FileProvider"android:authorities="com.example.jingqian.camera.fileprovider"android:grantUriPermissions="true"android:exported="false"><meta-dataandroid:name="android.support.FILE_PROVIDER_PATHS"android:resource="@xml/file_path"></meta-data></provider></application>
MainActivity布局：
<ImageButtonandroid:id="@+id/iv_head"android:layout_width="120dp"android:layout_height="120dp"android:layout_centerHorizontal="true"android:layout_marginTop="10dp"android:background="@null"android:scaleType="fitXY"android:src="@drawable/ic_launcher_background" />
PopupWindow布局：
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="/apk/res/android"android:layout_width="match_parent"android:layout_height="match_parent"android:background="#00000000"android:gravity="bottom"android:orientation="vertical"android:padding="5dip" ><Buttonandroid:id="@+id/btn_picture"android:layout_width="match_parent"android:layout_height="wrap_content"android:background="@drawable/photo_gallery_selector"android:paddingBottom="10dip"android:paddingTop="10dip"android:text="图库"android:textSize="16sp" /><TextViewandroid:layout_width="match_parent"android:layout_height="0.5dip"android:background="#DAD9DB" /><Buttonandroid:id="@+id/btn_photo"android:layout_width="match_parent"android:layout_height="wrap_content"android:background="@drawable/photo_camera_selector"android:paddingBottom="10dip"android:paddingTop="10dip"android:text="拍照"android:textSize="16sp" /><Buttonandroid:id="@+id/btn_cancle"android:layout_width="match_parent"android:layout_height="wrap_content"android:layout_marginTop="5dip"android:background="@drawable/photo_cancel_selector"android:paddingBottom="10dip"android:paddingTop="10dip"android:text="取消"android:textSize="16sp" /></LinearLayout>
MainAtivity中代码：
//这是popupWindow中的相册按钮，相机按钮，取消按钮private Button btn_picture, btn_photo, btn_cancle;//头像控件private ImageButton ivHead;private Bitmap head;// 头像Bitmap@SuppressLint("SdCardPath")private static String path = "/sdcard/myHead/";// sd路径private Uri imageUri;private Uri uri;
onCreate方法：
DongTaiShare();ivHead = (ImageButton) findViewById(R.id.iv_head);ivHead.setOnClickListener(this);
头像的点击事件里：
//得到PopupWindow的视图View view = getLayoutInflater().inflate(R.layout.photo_choose_dialog, null);//给弹框设置样式final Dialog dialog = new Dialog(this, R.style.transparentFrameWindowStyle);dialog.setContentView(view, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.FILL_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT));Window window = dialog.getWindow();// 设置显示动画window.setWindowAnimations(R.style.main_menu_animstyle);WindowManager.LayoutParams wl = window.getAttributes();wl.x = 0;wl.y = getWindowManager().getDefaultDisplay().getHeight();// 以下这两句是为了保证按钮可以水平满屏wl.width = ViewGroup.LayoutParams.MATCH_PARENT;wl.height = ViewGroup.LayoutParams.WRAP_CONTENT;// 设置显示位置dialog.onWindowAttributesChanged(wl);// 设置点击外围解散dialog.setCanceledOnTouchOutside(true);dialog.show();btn_picture = (Button) window.findViewById(R.id.btn_picture);btn_photo = (Button) window.findViewById(R.id.btn_photo);btn_cancle = (Button) window.findViewById(R.id.btn_cancle);btn_picture.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {//调用系统相册Intent intent1 = new Intent(Intent.ACTION_PICK, null);intent1.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "image/*");startActivityForResult(intent1, 1);dialog.dismiss();}});btn_photo.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {//调用系统相机Intent intent2 = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);File file = new File(Environment.getExternalStorageDirectory(), "head.jpg");//判断手机版本号，这里是7.0以上的if (Build.VERSION.SDK_INT >= 24) {uri = FileProvider.getUriForFile(MainActivity.this, "com.example.jingqian.camera.fileprovider", file);} else {uri = Uri.fromFile(file); //7.0以下}intent2.putExtra(MediaStore.EXTRA_OUTPUT, uri);startActivityForResult(intent2, 5);dialog.dismiss();}});btn_cancle.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {dialog.dismiss();}});
动态权限
private void DongTaiShare() {if (Build.VERSION.SDK_INT >= 23) {String[] mPermissionList = new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.ACCESS_FINE_LOCATION, Manifest.permission.CALL_PHONE, Manifest.permission.READ_LOGS, Manifest.permission.READ_PHONE_STATE, Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.SET_DEBUG_APP, Manifest.permission.SYSTEM_ALERT_WINDOW, Manifest.permission.GET_ACCOUNTS, Manifest.permission.WRITE_APN_SETTINGS, Manifest.permission.CAMERA};ActivityCompat.requestPermissions(this, mPermissionList, 123);}}
在MainActivity中的一些方法
private void startPhotoZoom(Uri uri) {File CropPhoto = new File(getExternalCacheDir(), "Crop.jpg");//这个是创建一个截取后的图片路径和名称。try {if (CropPhoto.exists()) {CropPhoto.delete();}CropPhoto.createNewFile();} catch (IOException e) {e.printStackTrace();}imageUri = Uri.fromFile(CropPhoto);Intent intent = new Intent("com.android.camera.action.CROP");intent.setDataAndType(uri, "image/*");if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION); //添加这一句表示对目标应用临时授权该Uri所代表的文件}intent.putExtra("crop", "true");intent.putExtra("scale", true);intent.putExtra("aspectX", 1);intent.putExtra("aspectY", 1);//输出的宽高intent.putExtra("outputX", 300);intent.putExtra("outputY", 300);intent.putExtra("return-data", false);intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);intent.putExtra("outputFormat", pressFormat.JPEG.toString());intent.putExtra("noFaceDetection", true); // no face detectionstartActivityForResult(intent, 6);//这里的RESULT_REQUEST_CODE是在startActivityForResult里使用的返回值。}protected void onActivityResult(int requestCode, int resultCode, Intent data) {switch (requestCode) {case 1:if (resultCode == RESULT_OK) {cropPhoto(data.getData());// 裁剪图片}break;case 2:if (resultCode == RESULT_OK) {//File file = new File(Environment.getExternalStorageDirectory() + "/head.jpg");//Uri uri = Uri.fromFile(file);File file = new File(Environment.getExternalStorageDirectory(), "head.jpg");Uri uri = FileProvider.getUriForFile(MainActivity.this, "com.example.jingqian.camera.fileprovider", file);cropPhoto(uri);// 裁剪图片//Bitmap bitmap= data.getParcelableExtra("data");//ivHead.setImageBitmap(bitmap);}break;case 3:if (data != null) {Bundle extras = data.getExtras();head = extras.getParcelable("data");if (head != null) {/*** 上传服务器代码*/setPicToView(head);// 保存在SD卡中ivHead.setImageBitmap(toRoundBitmap(head));// 用ImageView显示出来}}break;case 5:startPhotoZoom(uri);break;case 6:if (resultCode == RESULT_OK) {try {Log.e("=====",imageUri.toString());Bitmap bitmap = BitmapFactory.decodeStream(getContentResolver().openInputStream(imageUri));ivHead.setImageBitmap(toRoundBitmap(bitmap));} catch (FileNotFoundException e) {e.printStackTrace();}}break;default:break;}super.onActivityResult(requestCode, resultCode, data);};/*** 调用系统的裁剪** @param uri*/public void cropPhoto(Uri uri) {Intent intent = new Intent("com.android.camera.action.CROP");intent.setDataAndType(uri, "image/*");intent.putExtra("crop", "true");// aspectX aspectY 是宽高的比例intent.putExtra("aspectX", 1);intent.putExtra("aspectY", 1);// outputX outputY 是裁剪图片宽高intent.putExtra("outputX", 150);intent.putExtra("outputY", 150);intent.putExtra("return-data", true);startActivityForResult(intent, 3);}private void setPicToView(Bitmap mBitmap) {String sdStatus = Environment.getExternalStorageState();if (!sdStatus.equals(Environment.MEDIA_MOUNTED)) { // 检测sd是否可用return;}FileOutputStream b = null;File file = new File(path);file.mkdirs();// 创建文件夹String fileName = path + "head.jpg";// 图片名字try {b = new FileOutputStream(fileName);press(pressFormat.JPEG, 100, b);// 把数据写入文件} catch (FileNotFoundException e) {e.printStackTrace();} finally {try {// 关闭流b.flush();b.close();} catch (IOException e) {e.printStackTrace();}}}/*** 把bitmap转成圆形*/public Bitmap toRoundBitmap(Bitmap bitmap) {int width = bitmap.getWidth();int height = bitmap.getHeight();int r = 0;// 取最短边做边长if (width < height) {r = width;} else {r = height;}// 构建一个bitmapBitmap backgroundBm = Bitmap.createBitmap(width, height, Bitmap.Config.ARGB_8888);// new一个Canvas，在backgroundBmp上画图Canvas canvas = new Canvas(backgroundBm);Paint p = new Paint();// 设置边缘光滑，去掉锯齿p.setAntiAlias(true);RectF rect = new RectF(0, 0, r, r);// 通过制定的rect画一个圆角矩形，当圆角X轴方向的半径等于Y轴方向的半径时，// 且都等于r/2时，画出来的圆角矩形就是圆形canvas.drawRoundRect(rect, r / 2, r / 2, p);// 设置当两个图形相交时的模式，SRC_IN为取SRC图形相交的部分，多余的将被去掉p.setXfermode(new PorterDuffXfermode(PorterDuff.Mode.SRC_IN));// canvas将bitmap画在backgroundBmp上canvas.drawBitmap(bitmap, null, rect, p);return backgroundBm;}
还有点击头像时popupWindow时从下往上滑出的，所以还要添加一些动画，
在res文件下建anim文件夹 文件夹下两个文件photo_dialog_in_anim.xml 和 photo_dialog_out_anim.xml
photo_dialog_in_anim.xml ：
<?xml version="1.0" encoding="utf-8"?><set xmlns:android="/apk/res/android" ><translateandroid:duration="500"android:fromXDelta="0"android:fromYDelta="1000"android:toXDelta="0"android:toYDelta="0" /></set>
photo_dialog_out_anim.xml：
<?xml version="1.0" encoding="utf-8"?><set xmlns:android="/apk/res/android" ><translateandroid:duration="500"android:fromXDelta="0"android:fromYDelta="0"android:toXDelta="0"android:toYDelta="1000" /></set>
在style下设置：
<style name="main_menu_animstyle"><item name="android:windowEnterAnimation">@anim/photo_dialog_in_anim</item><item name="android:windowExitAnimation">@anim/photo_dialog_out_anim</item></style>
这样就可以完美实现调用相册和相机并且裁剪图片了
May everyone be happy every day and everything go well!
