此篇文章目的在于封装android 6.0权限申请,让开发者能进行快速开发。开发者只需要在项目中添加一个工具类,在baseActivity中添加几个方法,在需要的activity中添加三个方法即可~
权限流程
关于android 6.0权限问题,大家如果用api23+编译的话,应该都有遇到过crash的情况。google开发团队觉得有些隐私权限,希望得到用户许可,以弹出框的形式告诉用户,其权限流程如下:
但是系统弹框会有不再提示的问题,如果用户勾选了不再提示,就进不了app了,这样体验很差,基于此,新的权限流程如下:
危险权限列表
如果你的activity中有用到如下权限,就需要申请权限哦~
CALENDAR | READ_CALENDAR
WRITE_CALENDAR | CAMERA | CAMERA | CONTACTS | READ_CONTACTS
WRITE_CONTACTS
GET_ACCOUNTS | LOCATION | ACCESS_FINE_LOCATION
ACCESS_COARSE_LOCATION | MICROPHONE | RECORD_AUDIO | PHONE | READ_PHONE_STATE
CALL_PHONE
READ_CALL_LOG
WRITE_CALL_LOG
ADD_VOICEMAIL
USE_SIP
PROCESS_OUTGOING_CALLS | SENSORS | BODY_SENSORS | SMS | SEND_SMS RECEIVE_SMS
READ_SMS
RECEIVE_WAP_PUSH
RECEIVE_MMS | STORAGE | READ_EXTERNAL_STORAGE
WRITE_EXTERNAL_STORAGE | 此列表是在网上找的,关于SMS有歧义,我在项目中有用到发短信功能,但是缺不属于危险权限。
封装
首先定义一个工具类,判断是否缺少权限:
public boolean permissionSet(String... permissions) { for (String permission : permissions) { if (isLackPermission(permission)) { return true; } } return false; } private boolean isLackPermission(String permission) { return ContextCompat.checkSelfPermission(context, permission) == PackageManager.PERMISSION_DENIED; }
然后,在你的baseActivity中作如下封装:
public static final int PERMISSION_DENIEG = 1; public static final int PERMISSION_REQUEST_CODE = 0; public static final String PACKAGE_URL_SCHEME = "package:"; public CheckPermission checkPermission; private boolean isrequestCheck = true; public abstract int initContentID(); @Override protected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); initContentID(); process(savedInstanceState); } public void showMissingPermissionDialog() { AlertDialog.Builder builder = new AlertDialog.Builder(this); builder.setTitle(R.string.help); builder.setMessage(R.string.string_help_text); builder.setNegativeButton(R.string.quit, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { finish(); } }); builder.setPositiveButton(R.string.settings, new DialogInterface.OnClickListener() { @Override public void onClick(DialogInterface dialog, int which) { startAppSettings(); } }); builder.setCancelable(false); builder.show(); } public boolean hasAllPermissionGranted(int[] grantResults) { for (int grantResult : grantResults) { if (grantResult == PackageManager.PERMISSION_DENIED) { return false; } } return true; } public void startAppSettings() { Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS); intent.setData(Uri.parse(PACKAGE_URL_SCHEME + getPackageName())); startActivity(intent); } public void requestPermissions(String... permission) { ActivityCompat.requestPermissions(this, permission, PERMISSION_REQUEST_CODE); } /** * 用于权限管理 * 如果全部授权的话,则直接通过进入 * 如果权限拒绝,缺失权限时,则使用dialog提示 * * @param requestCode 请求代码 * @param permissions 权限参数 * @param grantResults 结果 */ @Override public void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) { super.onRequestPermissionsResult(requestCode, permissions, grantResults); if (PERMISSION_REQUEST_CODE == requestCode && hasAllPermissionGranted(grantResults)) { isrequestCheck = true; getAllGrantedPermission(); } else { isrequestCheck = false; showMissingPermissionDialog(); } } public void getAllGrantedPermission() { } protected void process(Bundle savedInstanceState) { if (getPermissions() != null) { checkPermission = new CheckPermission(this); if (checkPermission.permissionSet(getPermissions())) { requestPermissions(getPermissions()); } else { getAllGrantedPermission(); } } } @Override protected void onResume() { super.onResume(); if (!isrequestCheck) { if (getPermissions() != null) { if (checkPermission.permissionSet(getPermissions())) { showMissingPermissionDialog(); } else { getAllGrantedPermission(); } } } else { isrequestCheck = true; } } public String[] getPermissions() { return null; }
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最后,在你的activity中,重写以下几个方法:
static final String[] PERMISSION = new String[]{ Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.READ_EXTERNAL_STORAGE, Manifest.permission.READ_PHONE_STATE, Manifest.permission.ACCESS_COARSE_LOCATION, Manifest.permission.ACCESS_FINE_LOCATION, }; @Override public int initContentID() { return R.layout.activity_main; } @Override protected void process(Bundle savedInstanceState) { super.process(savedInstanceState); } @Override public void getAllGrantedPermission() { super.getAllGrantedPermission(); } @Override public String[] getPermissions() { return PERMISSION; }
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当然了,如果你的activity中不包含危险权限,也就不用重写方法getPermissions()和getAllGrantedPermission(),你只需要在方法process()中作初始化相关操作就好啦!
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