Android调用相机与相册的方法1:https://developer.aliyun.com/article/1473506
代码实现
DialogManager.java
package top.gaojc.util; import android.content.Context; import android.content.Intent; import android.net.Uri; import com.xuexiang.xui.widget.dialog.DialogLoader; import static com.xuexiang.xutil.app.ActivityUtils.startActivity; public class DialogManager { // 请求权限对话框 public static void permissionDialog(Context myContext, String str) { DialogLoader.getInstance().showConfirmDialog( myContext, "提示", str, "去设置", (dialog, which) -> { //引导用户到设置中去进行设置 Intent intent = new Intent(); intent.setAction("android.settings.APPLICATION_DETAILS_SETTINGS"); intent.setData(Uri.fromParts("package", myContext.getPackageName(), null)); intent.setFlags(Intent.FLAG_ACTIVITY_NEW_TASK); startActivity(intent); dialog.dismiss(); }, "取消", (dialog, which) -> { dialog.dismiss(); } ); } }
dialog_bottom_menu.xml
底部dialog：dialog_bottom_menu.xml
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:background="#fff" android:orientation="vertical"> <TextView android:id="@+id/tv_take_photo" android:layout_width="match_parent" android:layout_height="50dp" android:gravity="center" android:text="拍摄" android:textColor="@android:color/background_dark" android:textSize="16sp" /> <View android:layout_width="match_parent" android:layout_height="1dp" android:background="@android:color/darker_gray" /> <TextView android:id="@+id/tv_take_pic" android:layout_width="match_parent" android:layout_height="50dp" android:gravity="center" android:text="相册选择" android:textColor="@android:color/background_dark" android:textSize="16sp" /> <View android:layout_width="match_parent" android:layout_height="5dp" android:background="@android:color/darker_gray" /> <TextView android:id="@+id/tv_cancel" android:layout_width="match_parent" android:layout_height="50dp" android:gravity="center" android:text="取消" android:textColor="@android:color/background_dark" android:textSize="16sp" /> </LinearLayout>
activity_main.xml
<?xml version="1.0" encoding="utf-8"?> <FrameLayout xmlns:android="http://schemas.android.com/apk/res/android" xmlns:tools="http://schemas.android.com/tools" android:layout_width="match_parent" android:layout_height="match_parent" tools:context=".MainActivity"> <ImageView android:id="@+id/img" android:layout_width="90dp" android:layout_height="90dp" android:layout_gravity="center" android:background="@drawable/img"/> </FrameLayout>
MainActivity.java
package top.gaojc; import android.app.Activity; import android.app.Dialog; import android.content.Context; import android.content.Intent; import android.net.Uri; import android.os.Build; import android.os.Bundle; import android.os.Environment; import android.provider.MediaStore; import android.view.Gravity; import android.view.View; import android.view.ViewGroup; import android.view.Window; import android.widget.ImageView; import com.bumptech.glide.Glide; import com.bumptech.glide.load.resource.bitmap.CircleCrop; import com.bumptech.glide.request.RequestOptions; import com.gaojc.top.util.DialogManager; import com.yalantis.ucrop.UCrop; import com.yanzhenjie.permission.AndPermission; import com.yanzhenjie.permission.runtime.Permission; import java.io.File; import androidx.annotation.Nullable; import androidx.annotation.RequiresApi; import androidx.core.content.FileProvider; public class MainActivity extends Activity { private ImageView img; public static final int REQUEST_CODE_CAMERA = 103; //相机 public static final int REQUEST_CODE_ALBUM = 102; //相册 private Uri photoUri;//记录图片地址 private Context context = MainActivity.this; @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main); img = findViewById(R.id.img); img.setOnClickListener(v -> { // 底部dialog showBottomDialog(); }); } // 判断是否有相机权限 private void ifHaveCameraPermission() { /** * AndPermission.hasPermissions：判断是否有相对应的权限 * Permission.Group.CAMERA：摄像权限 */ if (!AndPermission.hasPermissions(this, Permission.Group.CAMERA)) { /** * AndPermission：引用权限相关库 * onGranted：允许权限 * onDenied：拒绝权限 */ // 动态申请权限 AndPermission.with(this).runtime().permission(Permission.Group.CAMERA) .onGranted(permissions -> { openCamera(); }) .onDenied(denieds -> { if (denieds != null && denieds.size() > 0) { for (int i = 0; i < denieds.size(); i++) { if (!shouldShowRequestPermissionRationale(denieds.get(i))) { DialogManager.permissionDialog(this, "没有拍摄和录制权限！"); break; } } } }).start(); } else { // 有权限 打开相机 openCamera(); } } // 打开相机 private void openCamera() { Intent intent = new Intent(MediaStore.ACTION_IMAGE_CAPTURE); // Build.VERSION.SDK_INT：获取当前系统sdk版本 if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.N) { // 适配Android 7.0文件权限，通过FileProvider创建一个content类型的Uri String fileName = String.format("fr_crop_%s.jpg", System.currentTimeMillis()); File cropFile = new File(this.getExternalFilesDir(Environment.DIRECTORY_PICTURES), fileName); photoUri = FileProvider.getUriForFile(this, this.getPackageName() + ".FileProvider", cropFile);//7.0 } else { photoUri = getDestinationUri(); } // android11以后强制分区存储，外部资源无法访问，所以添加一个输出保存位置，然后取值操作 intent.putExtra(MediaStore.EXTRA_OUTPUT, photoUri); startActivityForResult(intent, REQUEST_CODE_CAMERA); } // 判断是否有文件存储权限 private void ifHaveAlbumPermission(Activity activity) { // Permission.Group.STORAGE：文件存储权限 if (!AndPermission.hasPermissions(activity, Permission.Group.STORAGE)) { // Request permission AndPermission.with(activity).runtime().permission(Permission.Group.STORAGE).onGranted(permissions -> { openAlbum(); }).onDenied(denieds -> { if (denieds != null && denieds.size() > 0) { for (int i = 0; i < denieds.size(); i++) { if (!activity.shouldShowRequestPermissionRationale(denieds.get(i))) { DialogManager.permissionDialog(activity, "没有访问存储权限！"); break; } } } }).start(); } else { openAlbum(); } } // 打开相册 private void openAlbum() { Intent intent = new Intent(); // intent.putExtra(Intent.EXTRA_ALLOW_MULTIPLE, true);//支持多选图片 intent.setType("image/*"); intent.setAction("android.intent.action.GET_CONTENT"); intent.addCategory("android.intent.category.OPENABLE"); startActivityForResult(intent, REQUEST_CODE_ALBUM); } @RequiresApi(api = Build.VERSION_CODES.Q) @Override public void onActivityResult(int requestCode, int resultCode, @Nullable Intent data) { super.onActivityResult(requestCode, resultCode, data); if (resultCode == Activity.RESULT_OK) { switch (requestCode) { case REQUEST_CODE_ALBUM: doCrop(data.getData()); break; case REQUEST_CODE_CAMERA: doCrop(photoUri); break; case UCrop.REQUEST_CROP: // 加载圆形图片 Glide.with(context).load(UCrop.getOutput(data)).apply(RequestOptions.bitmapTransform(new CircleCrop())).into(img); // Glide.with(context).load(UCrop.getOutput(data)).into(img);//方形图像 break; } } if (resultCode == UCrop.RESULT_ERROR) { final Throwable cropError = UCrop.getError(data); } } // 裁剪方法 private void doCrop(Uri data) { UCrop.of(data, getDestinationUri())//当前资源，保存目标位置 .withAspectRatio(1f, 1f)//宽高比 .withMaxResultSize(500, 500)//宽高 .start(this); } private Uri getDestinationUri() { String fileName = String.format("fr_crop_%s.jpg", System.currentTimeMillis()); File cropFile = new File(this.getExternalFilesDir(Environment.DIRECTORY_PICTURES), fileName); return Uri.fromFile(cropFile); } private void showBottomDialog() { // 使用Dialog、设置style final Dialog dialog = new Dialog(this, R.style.DialogTheme); // 设置布局 View view = View.inflate(this, R.layout.dialog_bottom_menu, null); dialog.setContentView(view); Window window = dialog.getWindow(); // 设置弹出位置 window.setGravity(Gravity.BOTTOM); // 设置弹出动画 window.setWindowAnimations(R.style.main_menu_animStyle); // 设置对话框大小 window.setLayout(ViewGroup.LayoutParams.MATCH_PARENT, ViewGroup.LayoutParams.WRAP_CONTENT); dialog.show(); dialog.findViewById(R.id.tv_take_photo).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { // 判断是否有相机权限 ifHaveCameraPermission(); dialog.dismiss(); } }); dialog.findViewById(R.id.tv_take_pic).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { // 判断是否有文件存储权限 ifHaveAlbumPermission((Activity) context); dialog.dismiss(); } }); dialog.findViewById(R.id.tv_cancel).setOnClickListener(new View.OnClickListener() { @Override public void onClick(View view) { dialog.dismiss(); } }); } }
