What's the fundamental activity structure for implementing permission logic?

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plaintextBasePermissionActivitypackage com.hf.common.activity

import android.Manifestimport android.content.pm.PackageManagerimport android.support.annotation.NonNullimport android.support.v4.app.ActivityCompatimport android.support.v4.content.ContextCompat

BasePermissionActivity

package com.hf.common.activity; import android.Manifest; import android.content.pm.PackageManager; import android.support.annotation.NonNull; import android.support.v4.app.ActivityCompat; import android.support.v4.content.ContextCompat; import android.support.v7.app.AppCompatActivity; /** * Base activity for permission */ public abstract class BasePermissionActivity extends AppCompatActivity { private void checkPermission() { boolean needRequest = false; String[] permissions = getPermissionList(); // check permissions for (String permission : permissions) { if (PackageManager.PERMISSION_GRANTED != ContextCompat.checkSelfPermission(this, permission)) { needRequest = true; break; } } // request permission if (needRequest) { ActivityCompat.requestPermissions(this, permissions, 0); } } public abstract String[] getPermissionList(); @Override public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) { super.onRequestPermissionsResult(requestCode, permissions, grantResults); for (int result : grantResults) { if (PackageManager.PERMISSION_GRANTED != result) { // finish if permission is not granted finish(); } } } @Override protected void onResume() { super.onResume(); // check permission checkPermission(); } }