package com.loaderman.permissionsdemo;

import android.Manifest;

import android.content.pm.PackageManager;

import android.os.Bundle;

import android.support.v4.app.ActivityCompat;

import android.support.v7.app.AppCompatActivity;

import android.view.View;

import android.widget.Toast;

public class MainActivity extends AppCompatActivity {

    private static final int REQUEST_CAMERA = 0;

    private PermissionUtils.PermissionGrant mPermissionGrant = new PermissionUtils.PermissionGrant() {

        @Override

        public void onPermissionGranted(int requestCode) {

            switch (requestCode) {

                case PermissionUtils.CODE_RECORD_AUDIO:

                    Toast.makeText(MainActivity.this, "Result Permission Grant CODE_RECORD_AUDIO", Toast.LENGTH_SHORT).show();

                    break;

                case PermissionUtils.CODE_GET_ACCOUNTS:

                    Toast.makeText(MainActivity.this, "Result Permission Grant CODE_GET_ACCOUNTS", Toast.LENGTH_SHORT).show();

                    break;

                case PermissionUtils.CODE_READ_PHONE_STATE:

                    Toast.makeText(MainActivity.this, "Result Permission Grant CODE_READ_PHONE_STATE", Toast.LENGTH_SHORT).show();

                    break;

                case PermissionUtils.CODE_CALL_PHONE:

                    Toast.makeText(MainActivity.this, "Result Permission Grant CODE_CALL_PHONE", Toast.LENGTH_SHORT).show();

                    break;

                case PermissionUtils.CODE_CAMERA:

                    Toast.makeText(MainActivity.this, "Result Permission Grant CODE_CAMERA", Toast.LENGTH_SHORT).show();

                    break;

                case PermissionUtils.CODE_ACCESS_FINE_LOCATION:

                    Toast.makeText(MainActivity.this, "Result Permission Grant CODE_ACCESS_FINE_LOCATION", Toast.LENGTH_SHORT).show();

                    break;

                case PermissionUtils.CODE_ACCESS_COARSE_LOCATION:

                    Toast.makeText(MainActivity.this, "Result Permission Grant CODE_ACCESS_COARSE_LOCATION", Toast.LENGTH_SHORT).show();

                    break;

                case PermissionUtils.CODE_READ_EXTERNAL_STORAGE:

                    Toast.makeText(MainActivity.this, "Result Permission Grant CODE_READ_EXTERNAL_STORAGE", Toast.LENGTH_SHORT).show();

                    break;

                case PermissionUtils.CODE_WRITE_EXTERNAL_STORAGE:

                    Toast.makeText(MainActivity.this, "Result Permission Grant CODE_WRITE_EXTERNAL_STORAGE", Toast.LENGTH_SHORT).show();

                    break;

                case PermissionUtils.CODE_MULTI_PERMISSION:

                    Toast.makeText(MainActivity.this, "Result All Permission Grant", Toast.LENGTH_SHORT).show();

                    break;

                default:

                    break;

            }

        }

    };

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        setContentView(R.layout.activity_main);

    }

    public void requestMulti(View view) {

        PermissionUtils.requestMultiPermissions(this, mPermissionGrant);

    }

    public void requestSingle(View view) {

        if (ActivityCompat.checkSelfPermission(this, Manifest.permission.CAMERA)

                != PackageManager.PERMISSION_GRANTED) {

            requestCameraPermission();

        } else {

            Toast.makeText(this, "权限已经申请", Toast.LENGTH_SHORT).show();

        }

    }

    private void requestCameraPermission() {

        if (ActivityCompat.shouldShowRequestPermissionRationale(this,

                Manifest.permission.CAMERA)) {

            ActivityCompat.requestPermissions(MainActivity.this,

                                    new String[]{Manifest.permission.CAMERA}, REQUEST_CAMERA);

        } else {

            ActivityCompat.requestPermissions(this, new String[]{Manifest.permission.CAMERA}, REQUEST_CAMERA);

        }

    }

}

package com.loaderman.permissionsdemo;

import android.Manifest;

import android.app.Activity;

import android.content.DialogInterface;

import android.content.Intent;

import android.content.pm.PackageManager;

import android.net.Uri;

import android.provider.Settings;

import android.support.annotation.NonNull;

import android.support.v4.app.ActivityCompat;

import android.support.v7.app.AlertDialog;

import android.util.Log;

import android.widget.Toast;

import java.util.ArrayList;

import java.util.HashMap;

import java.util.List;

import java.util.Map;

public class PermissionUtils {

    private static final String TAG = PermissionUtils.class.getSimpleName();

    public static final int CODE_RECORD_AUDIO = 0;

    public static final int CODE_GET_ACCOUNTS = 1;

    public static final int CODE_READ_PHONE_STATE = 2;

    public static final int CODE_CALL_PHONE = 3;

    public static final int CODE_CAMERA = 4;

    public static final int CODE_ACCESS_FINE_LOCATION = 5;

    public static final int CODE_ACCESS_COARSE_LOCATION = 6;

    public static final int CODE_READ_EXTERNAL_STORAGE = 7;

    public static final int CODE_WRITE_EXTERNAL_STORAGE = 8;

    public static final int CODE_MULTI_PERMISSION = 100;

    public static final String PERMISSION_RECORD_AUDIO = Manifest.permission.RECORD_AUDIO;

    public static final String PERMISSION_GET_ACCOUNTS = Manifest.permission.GET_ACCOUNTS;

    public static final String PERMISSION_READ_PHONE_STATE = Manifest.permission.READ_PHONE_STATE;

    public static final String PERMISSION_CALL_PHONE = Manifest.permission.CALL_PHONE;

    public static final String PERMISSION_CAMERA = Manifest.permission.CAMERA;

    public static final String PERMISSION_ACCESS_FINE_LOCATION = Manifest.permission.ACCESS_FINE_LOCATION;

    public static final String PERMISSION_ACCESS_COARSE_LOCATION = Manifest.permission.ACCESS_COARSE_LOCATION;

    public static final String PERMISSION_READ_EXTERNAL_STORAGE = Manifest.permission.READ_EXTERNAL_STORAGE;

    public static final String PERMISSION_WRITE_EXTERNAL_STORAGE = Manifest.permission.WRITE_EXTERNAL_STORAGE;

    private static final String[] requestPermissions = {

            PERMISSION_RECORD_AUDIO,

            PERMISSION_GET_ACCOUNTS,

            PERMISSION_READ_PHONE_STATE,

            PERMISSION_CALL_PHONE,

            PERMISSION_CAMERA,

            PERMISSION_ACCESS_FINE_LOCATION,

            PERMISSION_ACCESS_COARSE_LOCATION,

            PERMISSION_READ_EXTERNAL_STORAGE,

            PERMISSION_WRITE_EXTERNAL_STORAGE

    };

    interface PermissionGrant {

        void onPermissionGranted(int requestCode);

    }

    /**

     * Requests permission.

     *

     * @param activity

     * @param requestCode request code, e.g. if you need request CAMERA permission,parameters is PermissionUtils.CODE_CAMERA

     */

    public static void requestPermission(final Activity activity, final int requestCode, PermissionGrant permissionGrant) {

        if (activity == null) {

            return;

        }

        Log.i(TAG, "requestPermission requestCode:" + requestCode);

        if (requestCode < 0 || requestCode >= requestPermissions.length) {

            Log.w(TAG, "requestPermission illegal requestCode:" + requestCode);

            return;

        }

        final String requestPermission = requestPermissions[requestCode];

        //如果是6.0以下的手机，ActivityCompat.checkSelfPermission()会始终等于PERMISSION_GRANTED，

        // 但是，如果用户关闭了你申请的权限，ActivityCompat.checkSelfPermission(),会导致程序崩溃(java.lang.RuntimeException: Unknown exception code: 1 msg null)，

        // 你可以使用try{}catch(){},处理异常，也可以判断系统版本，低于23就不申请权限，直接做你想做的。permissionGrant.onPermissionGranted(requestCode);

//        if (Build.VERSION.SDK_INT < 23) {

//            permissionGrant.onPermissionGranted(requestCode);

//            return;

//        }

        int checkSelfPermission;

        try {

            checkSelfPermission = ActivityCompat.checkSelfPermission(activity, requestPermission);

        } catch (RuntimeException e) {

            Toast.makeText(activity, "please open this permission", Toast.LENGTH_SHORT)

                    .show();

            Log.e(TAG, "RuntimeException:" + e.getMessage());

            return;

        }

        if (checkSelfPermission != PackageManager.PERMISSION_GRANTED) {

            Log.i(TAG, "ActivityCompat.checkSelfPermission != PackageManager.PERMISSION_GRANTED");

            if (ActivityCompat.shouldShowRequestPermissionRationale(activity, requestPermission)) {

                Log.i(TAG, "requestPermission shouldShowRequestPermissionRationale");

                shouldShowRationale(activity, requestCode, requestPermission);

            } else {

                Log.d(TAG, "requestCameraPermission else");

                ActivityCompat.requestPermissions(activity, new String[]{requestPermission}, requestCode);

            }

        } else {

            Log.d(TAG, "ActivityCompat.checkSelfPermission ==== PackageManager.PERMISSION_GRANTED");

            Toast.makeText(activity, "opened:" + requestPermissions[requestCode], Toast.LENGTH_SHORT).show();

            permissionGrant.onPermissionGranted(requestCode);

        }

    }

    private static void requestMultiResult(Activity activity, String[] permissions, int[] grantResults, PermissionGrant permissionGrant) {

        if (activity == null) {

            return;

        }

        //TODO

        Log.d(TAG, "onRequestPermissionsResult permissions length:" + permissions.length);

        Map<String, Integer> perms = new HashMap<>();

        ArrayList<String> notGranted = new ArrayList<>();

        for (int i = 0; i < permissions.length; i++) {

            Log.d(TAG, "permissions: [i]:" + i + ", permissions[i]" + permissions[i] + ",grantResults[i]:" + grantResults[i]);

            perms.put(permissions[i], grantResults[i]);

            if (grantResults[i] != PackageManager.PERMISSION_GRANTED) {

                notGranted.add(permissions[i]);

            }

        }

        if (notGranted.size() == 0) {

            Toast.makeText(activity, "all permission success" + notGranted, Toast.LENGTH_SHORT)

                    .show();

            permissionGrant.onPermissionGranted(CODE_MULTI_PERMISSION);

        } else {

            openSettingActivity(activity, "those permission need granted!");

        }

    }

    /**

     * 一次申请多个权限

     */

    public static void requestMultiPermissions(final Activity activity, PermissionGrant grant) {

        final List<String> permissionsList = getNoGrantedPermission(activity, false);

        final List<String> shouldRationalePermissionsList = getNoGrantedPermission(activity, true);

        //TODO checkSelfPermission

        if (permissionsList == null || shouldRationalePermissionsList == null) {

            return;

        }

        if (permissionsList.size() > 0) {

            ActivityCompat.requestPermissions(activity, permissionsList.toArray(new String[permissionsList.size()]),

                    CODE_MULTI_PERMISSION);

        } else if (shouldRationalePermissionsList.size() > 0) {

            showMessageOKCancel(activity, "should open those permission",

                    new DialogInterface.OnClickListener() {

                        @Override

                        public void onClick(DialogInterface dialog, int which) {

                            ActivityCompat.requestPermissions(activity, shouldRationalePermissionsList.toArray(new String[shouldRationalePermissionsList.size()]),

                                    CODE_MULTI_PERMISSION);

                        }

                    });

        } else {

            grant.onPermissionGranted(CODE_MULTI_PERMISSION);

        }

    }

    private static void shouldShowRationale(final Activity activity, final int requestCode, final String requestPermission) {

        //TODO

        String[] permissionsHint = activity.getResources().getStringArray(R.array.permissions);

        showMessageOKCancel(activity, "Rationale: " + permissionsHint[requestCode], new DialogInterface.OnClickListener() {

            @Override

            public void onClick(DialogInterface dialog, int which) {

                ActivityCompat.requestPermissions(activity,

                        new String[]{requestPermission},

                        requestCode);

                Log.d(TAG, "showMessageOKCancel requestPermissions:" + requestPermission);

            }

        });

    }

    private static void showMessageOKCancel(final Activity context, String message, DialogInterface.OnClickListener okListener) {

        new AlertDialog.Builder(context)

                .setMessage(message)

                .setPositiveButton("OK", okListener)

                .setNegativeButton("Cancel", null)

                .create()

                .show();

    }

    /**

     * @param activity

     * @param requestCode  Need consistent with requestPermission

     * @param permissions

     * @param grantResults

     */

    public static void requestPermissionsResult(final Activity activity, final int requestCode, @NonNull String[] permissions,

                                                @NonNull int[] grantResults, PermissionGrant permissionGrant) {

        if (activity == null) {

            return;

        }

        Log.d(TAG, "requestPermissionsResult requestCode:" + requestCode);

        if (requestCode == CODE_MULTI_PERMISSION) {

            requestMultiResult(activity, permissions, grantResults, permissionGrant);

            return;

        }

        if (requestCode < 0 || requestCode >= requestPermissions.length) {

            Log.w(TAG, "requestPermissionsResult illegal requestCode:" + requestCode);

            Toast.makeText(activity, "illegal requestCode:" + requestCode, Toast.LENGTH_SHORT).show();

            return;

        }

        Log.i(TAG, "onRequestPermissionsResult requestCode:" + requestCode + ",permissions:" + permissions.toString()

                + ",grantResults:" + grantResults.toString() + ",length:" + grantResults.length);

        if (grantResults.length == 1 && grantResults[0] == PackageManager.PERMISSION_GRANTED) {

            Log.i(TAG, "onRequestPermissionsResult PERMISSION_GRANTED");

            //TODO success, do something, can use callback

            permissionGrant.onPermissionGranted(requestCode);

        } else {

            //TODO hint user this permission function

            Log.i(TAG, "onRequestPermissionsResult PERMISSION NOT GRANTED");

            //TODO

            String[] permissionsHint = activity.getResources().getStringArray(R.array.permissions);

            openSettingActivity(activity, "Result" + permissionsHint[requestCode]);

        }

    }

    private static void openSettingActivity(final Activity activity, String message) {

        showMessageOKCancel(activity, message, new DialogInterface.OnClickListener() {

            @Override

            public void onClick(DialogInterface dialog, int which) {

                Intent intent = new Intent();

                intent.setAction(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);

                Log.d(TAG, "getPackageName(): " + activity.getPackageName());

                Uri uri = Uri.fromParts("package", activity.getPackageName(), null);

                intent.setData(uri);

                activity.startActivity(intent);

            }

        });

    }

    /**

     * @param activity

     * @param isShouldRationale true: return no granted and shouldShowRequestPermissionRationale permissions, false:return no granted and !shouldShowRequestPermissionRationale

     * @return

     */

    public static ArrayList<String> getNoGrantedPermission(Activity activity, boolean isShouldRationale) {

        ArrayList<String> permissions = new ArrayList<>();

        for (int i = 0; i < requestPermissions.length; i++) {

            String requestPermission = requestPermissions[i];

            //TODO checkSelfPermission

            int checkSelfPermission = -1;

            try {

                checkSelfPermission = ActivityCompat.checkSelfPermission(activity, requestPermission);

            } catch (RuntimeException e) {

                Toast.makeText(activity, "please open those permission", Toast.LENGTH_SHORT)

                        .show();

                Log.e(TAG, "RuntimeException:" + e.getMessage());

                return null;

            }

            if (checkSelfPermission != PackageManager.PERMISSION_GRANTED) {

                Log.i(TAG, "getNoGrantedPermission ActivityCompat.checkSelfPermission != PackageManager.PERMISSION_GRANTED:" + requestPermission);

                if (ActivityCompat.shouldShowRequestPermissionRationale(activity, requestPermission)) {

                    Log.d(TAG, "shouldShowRequestPermissionRationale if");

                    if (isShouldRationale) {

                        permissions.add(requestPermission);

                    }

                } else {

                    if (!isShouldRationale) {

                        permissions.add(requestPermission);

                    }

                    Log.d(TAG, "shouldShowRequestPermissionRationale else");

                }

            }

        }

        return permissions;

    }

}

<?xml version="1.0" encoding="utf-8"?>

<LinearLayout

    xmlns:android="http://schemas.android.com/apk/res/android"

    xmlns:tools="http://schemas.android.com/tools"

    android:id="@+id/activity_main"

    android:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    tools:context="com.loaderman.permissionsdemo.MainActivity">

    <Button

        android:onClick="requestSingle"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="申请单个权限"/>

    <Button

        android:onClick="requestMulti"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:text="申请多个权限"/>

    <FrameLayout

        android:id="@+id/sample_content_fragment"

        android:layout_width="match_parent"

        android:layout_height="match_parent" />

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>

<resources>

    <string-array name="permissions">

        <item>@string/permission_recode_audio_hint</item>

        <item>@string/permission_get_accounts_hint</item>

        <item>@string/permission_read_phone_hint</item>

        <item>@string/permission_call_phone_hint</item>

        <item>@string/permission_camera_hint</item>

        <item>@string/permission_access_fine_location_hint</item>

        <item>@string/permission_access_coarse_location_hint</item>

        <item>@string/permission_read_external_hint</item>

        <item>@string/permission_white_external_hint</item>

    </string-array>

</resources>

<resources>

    <string name="app_name">PermissionsDemo</string>

    <string name="permission_get_accounts_hint">没有此权限，无法开启这个功能，请开启权限。PERMISSION_GET_ACCOUNTS</string>

    <string name="permission_read_phone_hint">没有此权限，无法开启这个功能，请开启权限。PERMISSION_READ_PHONE_STATE</string>

    <string name="permission_call_phone_hint">没有此权限，无法开启这个功能，请开启权限。PERMISSION_CALL_PHONE</string>

    <string name="permission_camera_hint">没有此权限，无法开启这个功能，请开启权限。PERMISSION_CAMERA</string>

    <string name="permission_access_fine_location_hint">没有此权限，无法开启这个功能，请开启权限。PERMISSION_ACCESS_FINE_LOCATION</string>

    <string name="permission_access_coarse_location_hint">没有此权限，无法开启这个功能，请开启权限。PERMISSION_ACCESS_COARSE_LOCATION</string>

    <string name="permission_read_external_hint">没有此权限，无法开启这个功能，请开启权限。PERMISSION_READ_EXTERNAL_STORAGE</string>

    <string name="permission_white_external_hint">没有此权限，无法开启这个功能，请开启权限。PERMISSION_WRITE_EXTERNAL_STORAGE</string>

    <string name="permission_recode_audio_hint">没有此权限，无法开启这个功能，请开启权限。PERMISSION_RECORD_AUDIO</string>

</resources>

    <uses-permission android:name="android.permission.CAMERA"/>

    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION"/>

    <uses-permission android:name="android.permission.ACCESS_COARSE_LOCATION"/>

    <uses-permission android:name="android.permission.CALL_PHONE"/>

    <uses-permission android:name="android.permission.SEND_SMS"/>

    <uses-permission android:name="android.permission.READ_SMS"/>

    <uses-permission android:name="android.permission.GET_ACCOUNTS"/>

    <uses-permission android:name="android.permission.READ_PHONE_STATE"/>

    <uses-permission android:name="android.permission.READ_EXTERNAL_STORAGE"/>

    <uses-permission android:name="android.permission.WRITE_EXTERNAL_STORAGE"/>

    <uses-permission android:name="android.permission.RECORD_AUDIO"/>