private void getpermission() {
  //兩個日歷權(quán)限和一個數(shù)據(jù)讀寫權(quán)限
  String[] permissions = new String[]{Manifest.permission.ACCESS_FINE_LOCATION,
    Manifest.permission.READ_PHONE_STATE, Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.CAMERA}; //
  PermissionsUtils.showSystemSetting = true;//是否支持顯示系統(tǒng)設(shè)置權(quán)限設(shè)置窗口跳轉(zhuǎn)
  //這里的this不是上下文，是Activity對象！
  PermissionsUtils.getInstance().chekPermissions(this, permissions, permissionsResult);
 }

//創(chuàng)建監(jiān)聽權(quán)限的接口對象
 PermissionsUtils.IPermissionsResult permissionsResult = new PermissionsUtils.IPermissionsResult() {
  @Override
  public void passPermissons() {
//權(quán)限通過執(zhí)行的方法
   //權(quán)限通過驗證
  }

  @Override
  public void forbitPermissons() {
//這是沒有通過權(quán)限的時候提示的內(nèi)容，自定義即可
   Toast.makeText(mContext, "您沒有允許部分權(quán)限，可能會導(dǎo)致部分功能不能正常使用，如需正常使用 請允許權(quán)限", Toast.LENGTH_SHORT).show();
   finish();
//   Tool.exitApp();
  }
 };

@Override
 public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
  super.onRequestPermissionsResult(requestCode, permissions, grantResults);
  //就多一個參數(shù)this
  PermissionsUtils.getInstance().onRequestPermissionsResult(this, requestCode, permissions, grantResults);
 }

/**
 * 權(quán)限工具類
 */
public class PermissionsUtils {

 private final int mRequestCode = 100;//權(quán)限請求碼
 public static boolean showSystemSetting = true;

 private PermissionsUtils() {
 }

 private static PermissionsUtils permissionsUtils;
 private IPermissionsResult mPermissionsResult;

 public static PermissionsUtils getInstance() {
  if (permissionsUtils == null) {
   permissionsUtils = new PermissionsUtils();
  }
  return permissionsUtils;
 }

 public void chekPermissions(Activity context, String[] permissions, @NonNull IPermissionsResult permissionsResult) {
  mPermissionsResult = permissionsResult;
  if (Build.VERSION.SDK_INT < 23) {
   //6.0才用動態(tài)權(quán)限
   permissionsResult.passPermissons();
   return;
  }

  //創(chuàng)建一個mPermissionList，逐個判斷哪些權(quán)限未授予，未授予的權(quán)限存儲到mPerrrmissionList中
  List<String> mPermissionList = new ArrayList<>();
  //逐個判斷你要的權(quán)限是否已經(jīng)通過
  for (int i = 0; i < permissions.length; i++) {
   if (ContextCompat.checkSelfPermission(context, permissions[i]) != PackageManager.PERMISSION_GRANTED) {
    mPermissionList.add(permissions[i]);//添加還未授予的權(quán)限
   }
  }
  //申請權(quán)限
  if (mPermissionList.size() > 0) {//有權(quán)限沒有通過，需要申請
   ActivityCompat.requestPermissions(context, permissions, mRequestCode);
  } else {
   //說明權(quán)限都已經(jīng)通過，可以做你想做的事情去
   permissionsResult.passPermissons();
   return;
  }
 }

 //請求權(quán)限后回調(diào)的方法 //參數(shù)： requestCode 是我們自己定義的權(quán)限請求碼
 // 參數(shù)： permissions 是我們請求的權(quán)限名稱數(shù)組
 // 參數(shù)： grantResults 是我們在彈出頁面后是否允許權(quán)限的標(biāo)識數(shù)組，數(shù)組的長度對應(yīng)的是權(quán)限名稱數(shù)組的長度，數(shù)組的數(shù)據(jù)0表示允許權(quán)限，-1表示我們點擊了禁止權(quán)限
 public void onRequestPermissionsResult(Activity context, int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
  boolean hasPermissionDismiss = false;
  //有權(quán)限沒有通過
  if (mRequestCode == requestCode) {
   for (int i = 0; i < grantResults.length; i++) {
    if (grantResults[i] == -1) {
     hasPermissionDismiss = true;
    }
   }
   //如果有權(quán)限沒有被允許
   if (hasPermissionDismiss) {
    if (showSystemSetting) {
     showSystemPermissionsSettingDialog(context);//跳轉(zhuǎn)到系統(tǒng)設(shè)置權(quán)限頁面，或者直接關(guān)閉頁面，不讓他繼續(xù)訪問
    } else {
     mPermissionsResult.forbitPermissons();
    }
   } else {
    //全部權(quán)限通過，可以進行下一步操作。。。
    mPermissionsResult.passPermissons();
   }
  }
 }

 /**
  * 不再提示權(quán)限時的展示對話框
  */
 AlertDialog mPermissionDialog;

 private void showSystemPermissionsSettingDialog(final Activity context) {
  final String mPackName = context.getPackageName();
  if (mPermissionDialog == null) {
   mPermissionDialog = new AlertDialog.Builder(context).setMessage("已禁用權(quán)限，請手動授予").setPositiveButton("設(shè)置", new DialogInterface.OnClickListener() {
    @Override
    public void onClick(DialogInterface dialog, int which) {
     cancelPermissionDialog();
     Uri packageURI = Uri.parse("package:" + mPackName);
     Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS, packageURI);
     context.startActivity(intent);
     context.finish();
    }
   }).setNegativeButton("取消", new DialogInterface.OnClickListener() {
    @Override
    public void onClick(DialogInterface dialog, int which) {
     //關(guān)閉頁面或者做其他操作
     cancelPermissionDialog();
     //mContext.finish();
     mPermissionsResult.forbitPermissons();
    }
   }).create();
  }
  mPermissionDialog.show();
  //放在show()之后，不然有些屬性是沒有效果的，比如height和width
  //以下代碼設(shè)置解決彈窗不居中問題，一側(cè)有邊距，一側(cè)沒有
  Window dialogWindow = mPermissionDialog.getWindow();
  WindowManager m = context.getWindowManager();
  Display d = m.getDefaultDisplay(); // 獲取屏幕寬、高
  WindowManager.LayoutParams p = dialogWindow.getAttributes(); // 獲取對話框當(dāng)前的參數(shù)值
  // 設(shè)置寬度
  p.width = (int) (d.getWidth() * 0.95); // 寬度設(shè)置為屏幕的0.95
  p.gravity = Gravity.CENTER;//設(shè)置位置
  //p.alpha = 0.8f;//設(shè)置透明度
  dialogWindow.setAttributes(p);

 }

 //關(guān)閉對話框
 private void cancelPermissionDialog() {
  if (mPermissionDialog != null) {
   mPermissionDialog.cancel();
   mPermissionDialog = null;
  }
 }

 public interface IPermissionsResult {
  void passPermissons();

  void forbitPermissons();
 }
}