EasyPermission 的使用方式 记录一下

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一切尽在代码中

package rjh.yilin.ui.activity;

import android.Manifest;
import android.content.Intent;
import android.os.Bundle;
import android.support.annotation.NonNull;
import android.view.View;

import java.io.File;
import java.util.List;

import io.reactivex.Observable;
import io.reactivex.ObservableEmitter;
import io.reactivex.ObservableOnSubscribe;
import io.reactivex.Observer;
import io.reactivex.android.schedulers.AndroidSchedulers;
import io.reactivex.disposables.Disposable;
import io.reactivex.schedulers.Schedulers;
import pub.devrel.easypermissions.AppSettingsDialog;
import pub.devrel.easypermissions.EasyPermissions;
import rjh.yilin.R;
import rjh.yilin.app.AppConstants;
import rjh.yilin.app.AppManager;
import rjh.yilin.base.BaseActivity;
import rjh.yilin.utils.LogUtils;
import rjh.yilin.utils.YiLinUtils;

/**
 * Created by 于德海 on 2018/8/30.
 * package rjh.yilin.ui.activity
 * email : [email protected]
 *
 * @describe
 */
public class FirstActivity extends BaseActivity implements EasyPermissions.PermissionCallbacks {
    //要请求的权限
    private String permissions[] = new String[]{
            Manifest.permission.WRITE_EXTERNAL_STORAGE,
            Manifest.permission.READ_EXTERNAL_STORAGE,
            Manifest.permission.CALL_PHONE,
            Manifest.permission.READ_PHONE_STATE,
            Manifest.permission.ACCESS_NETWORK_STATE
    };

    @Override
    protected void initParam(Bundle param) {
    }

    @Override
    protected int getLayoutId() {
        return R.layout.aty_first;
    }

    @Override
    protected void initView() {
        if (EasyPermissions.hasPermissions(this, permissions)) {//判断是否拥有权限
            goMain();//获取权限后进行页面跳转
        } else {
            //请求权限
            EasyPermissions.requestPermissions(this, "请求必要的权限,拒绝权限可能会无法使用app", 0, permissions);
        }


    }

    @Override
    protected void initData() {

    }

    @Override
    protected void initListener() {

    }

    @Override
    public void onClick(View v) {

    }

    @Override
    public void onRequestPermissionsResult(int requestCode, @NonNull String[] permissions, @NonNull int[] grantResults) {
        super.onRequestPermissionsResult(requestCode, permissions, grantResults);
        EasyPermissions.onRequestPermissionsResult(requestCode, permissions, grantResults, this);//将第三方权限框架与activity绑定
    }

    private void goMain() {
        File file = new File(AppConstants.FILE_DIR);
        if(!file.exists()){
            file.mkdir();
        }
        Observable.create(new ObservableOnSubscribe<Object>() {
            @Override
            public void subscribe(ObservableEmitter<Object> emitter) throws Exception {
                Thread.sleep(2000);
                emitter.onComplete();
            }
        }).subscribeOn(Schedulers.io())
                .observeOn(AndroidSchedulers.mainThread())
                .subscribe(new Observer<Object>() {
                    @Override
                    public void onSubscribe(Disposable d) {

                    }

                    @Override
                    public void onNext(Object o) {

                    }

                    @Override
                    public void onError(Throwable e) {

                    }

                    @Override
                    public void onComplete() {
                        startActivity(new Intent(FirstActivity.this, MainActivity.class));
                        YiLinUtils.DelaycloseActivity(FirstActivity.this);
                    }
                });
    }

    @Override
    public void onPermissionsGranted(int requestCode, @NonNull List<String> perms) {//权限全部同意
        LogUtils.e("成功" + perms.size());
        goMain();
    }

    @Override
    public void onPermissionsDenied(int requestCode, @NonNull List<String> perms) {//拒绝了部分权限
        LogUtils.e("失败");
        if (EasyPermissions.somePermissionPermanentlyDenied(this, perms)) {//拒绝权限且点击了不再提示
            new AppSettingsDialog.Builder(this).build().show();//跳转应用设置页面
        } else {
            EasyPermissions.requestPermissions(this, "请求必要的权限,拒绝权限可能会无法使用app", 1, perms.toArray(new String[perms.size()]));
        }
    }

    @Override
    protected void onActivityResult(int requestCode, int resultCode, Intent data) {
        super.onActivityResult(requestCode, resultCode, data);
        switch (requestCode) {
            //当从软件设置界面，返回当前程序时候
            case AppSettingsDialog.DEFAULT_SETTINGS_REQ_CODE:
                if (EasyPermissions.hasPermissions(this, permissions)) {
                    goMain();
                } else {
                    AppManager.getInstance().AppExit();
                }
                break;

        }
    }
}