Android调用系统图片裁剪限定尺寸及7.0照相问题的解决方法

本文实例为大家分享了Android调用系统图片裁剪限定尺寸及7.0照相问题的解决方法，供大家参考，具体内容如下

内容：手机系统的裁剪介绍，7.0调用相机崩溃解决

代码如下：

java：

package com.example.leixiansheng.cutphoto;
 
import android.Manifest;
import android.annotation.SuppressLint;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.graphics.Bitmap;
import android.graphics.BitmapFactory;
import android.net.Uri;
import android.os.Environment;
import android.os.StrictMode;
import android.provider.MediaStore;
import android.support.annotation.NonNull;
import android.support.v4.app.ActivityCompat;
import android.support.v4.content.ContextCompat;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.ImageView;
import android.widget.Toast;
 
import java.io.FileNotFoundException;
import java.util.ArrayList;
import java.util.List;
 
import butterknife.BindView;
import butterknife.ButterKnife;
import butterknife.OnClick;
 
public class MainActivity extends AppCompatActivity {
 
 @BindView(R.id.btn_select_from_local)
 Button mBtnSelectFromLocal;
 @BindView(R.id.btn_take_photo)
 Button mBtnTake;
 @BindView(R.id.iv_local)
 ImageView mIvLocal;
 
 private static final String TAG = MainActivity.class.getSimpleName();
 private static final String IMAGE_FILE_LOCATION = "file:///" + Environment.getExternalStorageDirectory().getPath() + "/temp.jpg";
 private static final int CHOOSE_PICTURE = 1;
 private static final int CROP_PICTURE = 2;
 private static final int REQUEST_CODE_OK = 3;
 private static final int TAKE_PHOTO = 4;
 
 private Uri imageUri = Uri.parse(IMAGE_FILE_LOCATION);
 private PermissionListener mListener;
 
 
 @SuppressLint("NewApi")
 @Override
 protected void onCreate(Bundle savedInstanceState) {
 super.onCreate(savedInstanceState);
 setContentView(R.layout.activity_main);
 ButterKnife.bind(this);
 // android 7.0系统解决拍照的问题
 StrictMode.VmPolicy.Builder builder = new StrictMode.VmPolicy.Builder();
 StrictMode.setVmPolicy(builder.build());
 builder.detectFileUriExposure();
 }
 
 @onClick({R.id.btn_select_from_local, R.id.btn_take_photo})
 public void onClick(final View view) {
 requestRunTimePermission(new String[]{Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.READ_EXTERNAL_STORAGE,
  Manifest.permission.CAMERA}, new PermissionListener() {
  @Override
  public void onGranted() {
  switch (view.getId()) {
   case R.id.btn_select_from_local:
   selectFromLocal();
   break;
   case R.id.btn_take_photo:
   takePhoto();
   break;
  }
  }
 
  @Override
  public void onDenied(List deniedPermission) {
  Toast.makeText(MainActivity.this, "权限不足", Toast.LENGTH_SHORT).show();
  }
 });
 }
 
 
 private void takePhoto() {
 Intent intent = new Intent("android.media.action.IMAGE_CAPTURE");
 intent.putExtra(MediaStore.EXTRA_OUTPUT, imageUri);
 //启动相机（带返回结果）
 startActivityForResult(intent, TAKE_PHOTO);
 }
 
 
 private void selectFromLocal() {
 Intent intent = new Intent(Intent.ACTION_PICK, null);
 intent.setDataAndType(MediaStore.Images.Media.EXTERNAL_CONTENT_URI, "image
 public void startPhotoZoom(Uri uri) {
 Intent intent = new Intent("com.android.camera.action.CROP");
 intent.setDataAndType(uri, "image
 public void requestRunTimePermission(String[] permissions, PermissionListener listener) {
 mListener = listener;
 List permissionList = new ArrayList<>();
 for (String permission : permissions) {
  if (ContextCompat.checkSelfPermission(this, permission) != PackageManager.PERMISSION_GRANTED) {//检测当前权限是否已经被允许
  permissionList.add(permission);//没有则添加进集合
  }
 }
 if (!permissionList.isEmpty()) {//检测权限集合中是否有未申请的权限
  ActivityCompat.requestPermissions(this, permissionList.toArray(new String[permissionList.size()]), REQUEST_CODE_OK);
 } else {
  //所有权限都通过了
  mListener.onGranted();
 }
 }
 
 @Override
 public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
 super.onRequestPermissionsResult(requestCode, permissions, grantResults);
 switch (requestCode) {
  case REQUEST_CODE_OK:
  if (grantResults.length > 0) {
   List deniedPermission = new ArrayList<>();
   for (int i = 0; i < grantResults.length; i++) {
   int grantResult = grantResults[i];
   String permission = permissions[i];
   if (grantResult != PackageManager.PERMISSION_GRANTED) {
    deniedPermission.add(permission);
   }
   }
 
   if (!deniedPermission.isEmpty()) {
   mListener.onDenied(deniedPermission);
   } else
   mListener.onGranted();
  }
  break;
  default:
   break;
 }
 }
}

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