图片裁剪防止后台销毁，数据丢失

app/src/main/AndroidManifest.xml

@@ -23,14 +23,15 @@
         android:label="@string/app_name"
         android:roundIcon="@mipmap/ic_launcher_round"
         android:supportsRtl="true"
-        android:theme="@style/AppTheme">
+        android:theme="@style/Theme.AppCompat.Light.NoActionBar">
 
 
         <meta-data
             android:name="com.amap.api.v2.apikey"
             android:value="d78a6d571c700f3ad33f374d81fed6a2" />
 
-        <activity android:name=".MainActivity">
+        <activity android:name=".MainActivity"
+            android:screenOrientation="portrait">
             <intent-filter>
                 <action android:name="android.intent.action.MAIN" />
 
@@ -54,7 +55,8 @@
         <activity android:name=".FragmentInteractiveActivity2" />
         <activity android:name=".PageActivity" />
         <activity android:name=".MyScanActivity" />
-        <activity android:name=".CutPicturesActivity" />
+        <activity android:name=".CutPicturesActivity"
+            android:screenOrientation="portrait"/>
     </application>
 
     <!-- 配置APP ID -->

app/src/main/java/com/mayi/demo/MainActivity.java

 package com.mayi.demo;
 
 
-import android.content.Intent;
-import android.graphics.Bitmap;
-import android.net.Uri;
-import android.os.Build;
 import android.os.Bundle;
-import android.os.Environment;
-import android.provider.MediaStore;
 import android.support.annotation.NonNull;
-import android.support.v4.content.FileProvider;
 import android.support.v7.widget.LinearLayoutManager;
 import android.support.v7.widget.RecyclerView;
-import android.util.Log;
 import android.view.View;
 import android.view.ViewGroup;
 import android.widget.Button;
 
 import com.mayi.fastdevelop.base.BaseActivity;
-import com.mayi.fastdevelop.util.BitmapUtil;
 import com.mayi.fastdevelop.util.DrawableUtils;
 
-import java.io.File;
 import java.util.ArrayList;
 import java.util.List;
 
 public class MainActivity extends BaseActivity {
 
-
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
@@ -91,76 +80,5 @@ public class MainActivity extends BaseActivity {
         }
     }
 
-    private Uri uri;
-    private File cameraSavePath;
-
-    //激活相机操作
-    private void goCamera() {
-        cameraSavePath = new File(Environment.getExternalStorageDirectory().getPath() + "/" + getPackageName() + "/" + System.currentTimeMillis() + ".jpg");
-        Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-            uri = FileProvider.getUriForFile(MainActivity.this, getPackageName() + ".uri", cameraSavePath);
-            intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
-        } else {
-            uri = Uri.fromFile(cameraSavePath);
-        }
-        intent.putExtra(MediaStore.EXTRA_OUTPUT, uri);
-        MainActivity.this.startActivityForResult(intent, 1);
-    }
-
-    @Override
-    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
-        if (requestCode == 1 && resultCode == RESULT_OK) {
-
-            if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-                uri = FileProvider.getUriForFile(MainActivity.this, getPackageName() + ".uri", cameraSavePath);
-            } else {
-                uri = Uri.fromFile(cameraSavePath);
-            }
-            photoClip(uri);
-        } else if (requestCode == 2 && resultCode == RESULT_OK) {
-//            photoPath = getPhotoFromPhotoAlbum.getRealPathFromUri(this, data.getData());
-            Log.d("相册返回图片路径:", data.getData() + "");
-            photoClip(data.getData());
-//            Glide.with(MainActivity.this).load(photoPath).into(ivTest);
-        } else if (requestCode == 3 && resultCode == RESULT_OK) {
-            Bundle bundle = data.getExtras();
-
-            if (bundle != null) {
-                //在这里获得了剪裁后的Bitmap对象，可以用于上传
-                Bitmap image = bundle.getParcelable("data");
-                BitmapUtil.saveBitmapToFormat(image, Environment.getExternalStorageDirectory().getPath() + "/Download/11111.jpg");
-//                //设置到ImageView上
-//                ivTest.setImageBitmap(image);
-//                //也可以进行一些保存、压缩等操作后上传
-//                String path = saveImage("头像", image);
-//                Log.d("裁剪路径:", path);
-            }
-
-
-        }
-        super.onActivityResult(requestCode, resultCode, data);
-    }
-
-
-    private void photoClip(Uri uri) {
-        // 调用系统中自带的图片剪裁
-        Intent intent1 = new Intent();
-        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
-            intent1.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
-        }
-        /*设置调用裁剪工具的action*/
-        intent1.setAction("com.android.camera.action.CROP");
-        /*创建一个指向需要操作文件（filename）的文件流。（可解决无法“加载问题”）*/
-        intent1.setDataAndType(uri, "image/*");
-        intent1.putExtra("crop", "true");
-        intent1.putExtra("scale", true);
-        intent1.putExtra("return-data", false);
-        Uri uritempFile = Uri.parse("file://" + "/" + Environment.getExternalStorageDirectory().getPath() + "/" + System.currentTimeMillis() + ".jpg");
-        intent1.putExtra(MediaStore.EXTRA_OUTPUT, uritempFile);
-        intent1.putExtra("outputFormat", Bitmap.CompressFormat.JPEG.toString());
-        intent1.putExtra("noFaceDetection", true);
-        MainActivity.this.startActivityForResult(intent1, 3);
-    }
 
 }

fastDevelop/src/main/java/com/mayi/fastdevelop/base/BaseCutPicturesActivity.java

@@ -21,22 +21,28 @@ public abstract class BaseCutPicturesActivity extends BaseActivity {
     private final int REQUESTCODE_CAMERA = 100;//拍照回调
     private final int REQUESTCODE_CUT_PICTURES = 101;//裁剪图片回调
     private String imgPath;//裁剪保存图片地址
-    private Uri uri;
     private File cameraSavePath;//拍照保存图片地址
     private String[] permissions = {Manifest.permission.CAMERA, Manifest.permission.WRITE_EXTERNAL_STORAGE};
 
     @Override
     protected void onSaveInstanceState(Bundle outState) {
+        if (outState!=null){
+            outState.putString("imgPath",imgPath);
+            outState.putSerializable("cameraSavePath",cameraSavePath);
+        }
         super.onSaveInstanceState(outState);
     }
 
     @Override
     protected void onCreate(Bundle savedInstanceState) {
         super.onCreate(savedInstanceState);
+        if (savedInstanceState!=null){
+            imgPath=savedInstanceState.getString("imgPath");
+            cameraSavePath= (File) savedInstanceState.getSerializable("cameraSavePath");
+        }
         PermissionUtil.requestPermission(new PermissionUtil.PermissionCallback() {
             @Override
             public void onSuccess(List<String> data) {
-
             }
 
             @Override
@@ -59,6 +65,7 @@ public abstract class BaseCutPicturesActivity extends BaseActivity {
     protected void goCamera() {
         cameraSavePath = new File(Environment.getExternalStorageDirectory().getPath() + "/" + getPackageName() + "/" + System.currentTimeMillis() + ".jpg");
         Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE);
+        Uri uri=null;
         if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
             uri = FileProvider.getUriForFile(this, getPackageName() + ".uri", cameraSavePath);
             intent.addFlags(Intent.FLAG_GRANT_READ_URI_PERMISSION);
@@ -72,6 +79,7 @@ public abstract class BaseCutPicturesActivity extends BaseActivity {
     @Override
     protected void onActivityResult(int requestCode, int resultCode, Intent data) {
         if (requestCode == REQUESTCODE_CAMERA && resultCode == RESULT_OK) {
+            Uri uri=null;
             if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) {
                 uri = FileProvider.getUriForFile(this, getPackageName() + ".uri", cameraSavePath);
             } else {