相信大家对安卓权限都有所了解 每次申请权限都要写一大堆代码 而且还要记住那么多的权限的名称 本人懒懒的 记不住 。。。
对权限这块进行了简单的封装 单个权限申请/多个权限申请 权限申请成功/失败的回调
package com.example.android;
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;
/**
* Created by zhaojihao on 2017-6-17
* 系统权限分为9大类
*/
public class PermissionUtils {
private static final String TAG = PermissionUtils.class.getSimpleName();
public static final int CODE_AUDIO = 0;//录音
public static final int CODE_GET_ACCOUNTS = 1;//读取通讯录权限
public static final int CODE_PHONE = 2;//通话管理拨打电话
public static final int CODE_CALENDAR = 3;//日志/日历
public static final int CODE_CAMERA = 4;//拍照或录像
public static final int CODE_LOCATION = 5;//获取位置信息
public static final int CODE_SENSORS= 6;//传感器
// public static final int CODE_READ_EXTERNAL_STORAGE = 7;//文件读取
public static final int CODE_STORAGE = 8;//文件操作
public static final int CODE_SMS = 9;//短信操作
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_READ_CALENDAR = Manifest.permission.READ_CALENDAR;
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_SENSORS = Manifest.permission.BODY_SENSORS;
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;
public static final String PERMISSION_SEND_SMS = Manifest.permission.SEND_SMS;
private static PermissionGrant permission;
private static final String[] requestPermissions = {
PERMISSION_RECORD_AUDIO,
PERMISSION_GET_ACCOUNTS,
PERMISSION_READ_PHONE_STATE,
PERMISSION_READ_CALENDAR,
PERMISSION_CAMERA,
PERMISSION_ACCESS_FINE_LOCATION,
PERMISSION_SENSORS,
PERMISSION_READ_EXTERNAL_STORAGE,
PERMISSION_WRITE_EXTERNAL_STORAGE,
PERMISSION_SEND_SMS
};
interface PermissionGrant {
void onPermissionGranted(int requestCode);
void onFail();
}
/**
* 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;
}
permission=permissionGrant;
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, "您有一些必要的权限没有开启!现在是否去设置?");
}
}
/**
* 一次申请多个权限
* @param activity
* @param grant 回调
* @param code 权限的CODE
*/
public static void requestMultiPermissions(final Activity activity, PermissionGrant grant,int[] code) {
final List<String> permissionsList = getNoGrantedPermission(activity, false,code);
final List<String> shouldRationalePermissionsList = getNoGrantedPermission(activity, true,code);
//TODO checkSelfPermission
if (permissionsList == null || shouldRationalePermissionsList == null) {
return;
}
Log.d(TAG, "requestMultiPermissions permissionsList:" + permissionsList.size() + ",shouldRationalePermissionsList:" + shouldRationalePermissionsList.size());
if (permissionsList.size() > 0) {
ActivityCompat.requestPermissions(activity, permissionsList.toArray(new String[permissionsList.size()]),
CODE_MULTI_PERMISSION);
Log.d(TAG, "showMessageOKCancel requestPermissions");
} else if (shouldRationalePermissionsList.size() > 0) {
showMessageOKCancel(activity, "您有一些必要的权限没有开启!现在是否去设置?",
new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
ActivityCompat.requestPermissions(activity, shouldRationalePermissionsList.toArray(new String[shouldRationalePermissionsList.size()]),
CODE_MULTI_PERMISSION);
Log.d(TAG, "showMessageOKCancel requestPermissions");
}
});
} 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("是", okListener)
.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
permission.onFail();
}
})
.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,int[] code) {
ArrayList<String> permissions = new ArrayList<>();
for (int i = 0; i < code.length; i++) {
String requestPermission = requestPermissions[code[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;
}
public static void getPermissions(Activity mActivity,PermissionGrant mPermissionGrant,int code) {
requestPermission(mActivity,code, mPermissionGrant);
}
}
方法调用封装在BaseActivity 或者BaseFragment
public abstract class BaseActivity extends Activity implements ActivityCompat.OnRequestPermissionsResultCallback{
/**
* 当权限申请结束时调用
*/
@Override
public void onRequestPermissionsResult(final int requestCode, @NonNull String[] permissions,
@NonNull int[] grantResults) {
PermissionUtils.requestPermissionsResult(this, requestCode, permissions, grantResults, mPermissionGrant);
}
//权限申请回调
public PermissionUtils.PermissionGrant mPermissionGrant = new PermissionUtils.PermissionGrant() {
@Override
public void onPermissionGranted(int requestCode){
getPermission(requestCode);
}
};
//子Activity如需申请权限重写改方法执行申请成功后的步骤
public void getPermission(int requestCode){}
}
子Activity调用
//同时申请多个权限
PermissionUtils.requestMultiPermissions(this,mPermissionGrant,new int[]{
PermissionUtils.CODE_SMS,
PermissionUtils.CODE_STORAGE
});
//单独申请一个权限
PermissionUtils.requestPermission(this,PermissionUtils.CODE_AUDIO,mPermissionGrant);
//权限申请回调 如果统一界面有两个跳转申请的权限相同 则需要在申请权限之前把操作做好处理 如Intent
@Override
public void getPermission(int requestCode) {
Toast.makeText(PermissionActivity.this,"权限获取成功",Toast.LENGTH_LONG).show();
}