github地址:https://github.com/Airsaid/MPermissionUtils
权限类代码如下:
package com.pro.testignore.util;
import android.annotation.TargetApi;
import android.app.Activity;
import android.app.AlertDialog;
import android.content.Context;
import android.content.DialogInterface;
import android.content.Intent;
import android.content.pm.PackageManager;
import android.net.Uri;
import android.os.Build;
import android.provider.Settings;
import android.support.v4.content.ContextCompat;
import java.util.ArrayList;
import java.util.List;
/**
* Created by zhouyou on 2016/11/17.
* Class desc:
*
* 6.0 运行时权限处理工具类。
*/
public class MPermissionUtils {
private static int mRequestCode = -1;
public static void requestPermissionsResult(Activity activity, int requestCode
, String[] permission, OnPermissionListener callback){
requestPermissions(activity, requestCode, permission, callback);
}
public static void requestPermissionsResult(android.app.Fragment fragment, int requestCode
, String[] permission, OnPermissionListener callback){
requestPermissions(fragment, requestCode, permission, callback);
}
public static void requestPermissionsResult(android.support.v4.app.Fragment fragment, int requestCode
, String[] permission, OnPermissionListener callback){
requestPermissions(fragment, requestCode, permission, callback);
}
/**
* 请求权限处理
* @param object activity or fragment
* @param requestCode 请求码
* @param permissions 需要请求的权限
* @param callback 结果回调
*/
@TargetApi(Build.VERSION_CODES.M)
private static void requestPermissions(Object object, int requestCode
, String[] permissions, OnPermissionListener callback){
checkCallingObjectSuitability(object);
mOnPermissionListener = callback;
if(checkPermissions(getContext(object), permissions)){
if(mOnPermissionListener != null)
mOnPermissionListener.onPermissionGranted();
}else{
List<String> deniedPermissions = getDeniedPermissions(getContext(object), permissions);
if(deniedPermissions.size() > 0){
mRequestCode = requestCode;
if(object instanceof Activity){
((Activity) object).requestPermissions(deniedPermissions
.toArray(new String[deniedPermissions.size()]), requestCode);
}else if(object instanceof android.app.Fragment){
((android.app.Fragment) object).requestPermissions(deniedPermissions
.toArray(new String[deniedPermissions.size()]), requestCode);
}else if(object instanceof android.support.v4.app.Fragment){
((android.support.v4.app.Fragment) object).requestPermissions(deniedPermissions
.toArray(new String[deniedPermissions.size()]), requestCode);
}
}
}
}
/**
* 获取上下文
*/
private static Context getContext(Object object) {
Context context;
if(object instanceof android.app.Fragment){
context = ((android.app.Fragment) object).getActivity();
}else if(object instanceof android.support.v4.app.Fragment){
context = ((android.support.v4.app.Fragment) object).getActivity();
}else{
context = (Activity) object;
}
return context;
}
/**
* 请求权限结果,对应onRequestPermissionsResult()方法。
*/
public static void onRequestPermissionsResult(int requestCode, String[] permissions, int[] grantResults) {
if(requestCode == mRequestCode){
if(verifyPermissions(grantResults)){
if(mOnPermissionListener != null)
mOnPermissionListener.onPermissionGranted();
}else{
if(mOnPermissionListener != null)
mOnPermissionListener.onPermissionDenied();
}
}
}
/**
* 显示提示对话框
*/
public static void showTipsDialog(final Context context) {
new AlertDialog.Builder(context)
.setTitle("提示标题")
.setMessage("请打开相应的权限")
.setNegativeButton("取消", null)
.setPositiveButton("确定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
startAppSettings(context);
}
}).show();
}
/**
* 启动当前应用设置页面
*/
public static void startAppSettings(Context context) {
Intent intent = new Intent(Settings.ACTION_APPLICATION_DETAILS_SETTINGS);
intent.setData(Uri.parse("package:" + context.getPackageName()));
context.startActivity(intent);
}
/**
* 验证权限是否都已经授权
*/
private static boolean verifyPermissions(int[] grantResults) {
// 如果请求被取消,则结果数组为空
if(grantResults.length <= 0)
return false;
// 循环判断每个权限是否被拒绝
for (int grantResult : grantResults) {
if (grantResult != PackageManager.PERMISSION_GRANTED) {
return false;
}
}
return true;
}
/**
* 获取权限列表中所有需要授权的权限
* @param context 上下文
* @param permissions 权限列表
* @return
*/
private static List<String> getDeniedPermissions(Context context, String... permissions){
List<String> deniedPermissions = new ArrayList<>();
for (String permission : permissions) {
if(ContextCompat.checkSelfPermission(context, permission) == PackageManager.PERMISSION_DENIED){
deniedPermissions.add(permission);
}
}
return deniedPermissions;
}
/**
* 检查所传递对象的正确性
* @param object 必须为 activity or fragment
*/
private static void checkCallingObjectSuitability(Object object) {
if (object == null) {
throw new NullPointerException("Activity or Fragment should not be null");
}
boolean isActivity = object instanceof Activity;
boolean isSupportFragment = object instanceof android.support.v4.app.Fragment;
boolean isAppFragment = object instanceof android.app.Fragment;
if(!(isActivity || isSupportFragment || isAppFragment)){
throw new IllegalArgumentException(
"Caller must be an Activity or a Fragment");
}
}
/**
* 检查所有的权限是否已经被授权
* @param permissions 权限列表
* @return
*/
private static boolean checkPermissions(Context context, String... permissions){
if(isOverMarshmallow()){
for (String permission : permissions) {
if(ContextCompat.checkSelfPermission(context, permission) == PackageManager.PERMISSION_DENIED){
return false;
}
}
}
return true;
}
/**
* 判断当前手机API版本是否 >= 6.0
*/
private static boolean isOverMarshmallow() {
return Build.VERSION.SDK_INT >= Build.VERSION_CODES.M;
}
public interface OnPermissionListener{
void onPermissionGranted();
void onPermissionDenied();
}
private static OnPermissionListener mOnPermissionListener;
}
调用如下:
package com.pro.testignore;
import android.Manifest;
import android.app.Activity;
import android.content.DialogInterface;
import android.support.annotation.NonNull;
import android.support.v7.app.AppCompatActivity;
import android.os.Bundle;
import com.pro.testignore.util.LogWrapper;
import com.pro.testignore.util.MPermissionUtils;
public class Main2Activity extends Activity {
String[] needPermissions = {Manifest.permission.WRITE_EXTERNAL_STORAGE, Manifest.permission.READ_EXTERNAL_STORAGE};
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main2);
requestStoragePermission(); // 请求权限
}
private void requestStoragePermission() {
MPermissionUtils.requestPermissionsResult(this, 1, needPermissions
, new MPermissionUtils.OnPermissionListener() {
@Override
public void onPermissionGranted() {
LogWrapper.e("权限允许 todo");
}
@Override
public void onPermissionDenied() {
LogWrapper.e("权限被拒绝,todo");
MPermissionUtils.showTipsDialog(Main2Activity.this);
}
});
}
//权限的回调
@Override
public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
MPermissionUtils.onRequestPermissionsResult(requestCode, permissions, grantResults);
super.onRequestPermissionsResult(requestCode, permissions, grantResults);
}
}