动态权限

//权限管理,动态获取权限
    compile 'com.tbruyelle.rxpermissions:rxpermissions:[email protected]'
    compile 'io.reactivex:rxjava:1.1.3'

 <!--动太获取权限-->
    <uses-permission android:name="android.permission.RECORD_AUDIO" />
    <uses-permission android:name="android.permission.RECEIVE_MMS" />
    <uses-permission android:name="android.permission.READ_CALL_LOG" />
    <uses-permission android:name="android.permission.ACCESS_FINE_LOCATION" />
    <uses-permission android:name="android.permission.READ_CALENDAR" />

    //点击按钮获取单个权限
    public void dan(View view) {
        //这个请求事件我写在点击事件里面，
        //点击button之后RxPermissions会为我们申请运行时权限
        RxPermissions.getInstance(MainActivity.this)
                .request(Manifest.permission.WRITE_EXTERNAL_STORAGE)//这里填写所需要的权限
                .subscribe(new Action1<Boolean>() {
                    @Override
                    public void call(Boolean aBoolean) {
                        if (aBoolean) {//true表示获取权限成功（注意这里在android6.0以下默认为true）
                            Toast.makeText(MainActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE + "：" + "获取成功", Toast.LENGTH_SHORT).show();
                            Log.i("permissions", Manifest.permission.WRITE_EXTERNAL_STORAGE + "：" + "获取成功");
                        } else {
                            Toast.makeText(MainActivity.this, Manifest.permission.WRITE_EXTERNAL_STORAGE + "：" + "获取失败", Toast.LENGTH_SHORT).show();
                        }
                    }
                });
    }
    //点击按钮获取多个权限
    public void duo(View view) {
        //分别申请多个权限
        RxPermissions.getInstance(MainActivity.this)
                //分别申请多个权限时，使用requestEach
                .requestEach(Manifest.permission.ACCESS_FINE_LOCATION,
                        Manifest.permission.RECORD_AUDIO,
                        Manifest.permission.CAMERA)
                .subscribe(new Action1<Permission>() {
                    @Override
                    public void call(Permission permission) {
                        if (permission.name.equals(Manifest.permission.ACCESS_FINE_LOCATION)) {
                            //当ACCESS_FINE_LOCATION权限获取成功时，permission.granted=true
                            Toast.makeText(MainActivity.this, Manifest.permission.ACCESS_FINE_LOCATION + "：" + permission.granted, Toast.LENGTH_SHORT).show();
                            Log.i("permissions", Manifest.permission.ACCESS_FINE_LOCATION + "：" + permission.granted);
                        }
                        if (permission.name.equals(Manifest.permission.RECORD_AUDIO)) {
                            //当RECORD_AUDIO 权限获取成功时，permission.granted=true
                            Toast.makeText(MainActivity.this, Manifest.permission.RECORD_AUDIO + "：" + permission.granted, Toast.LENGTH_SHORT).show();
                            Log.i("permissions", Manifest.permission.RECORD_AUDIO + "：" + permission.granted);
                        }
                        if (permission.name.equals(Manifest.permission.CAMERA)) {
                            //当CAMERA权限获取成功时，permission.granted=true
                            Toast.makeText(MainActivity.this, Manifest.permission.CAMERA + "：" + permission.granted, Toast.LENGTH_SHORT).show();
                            Log.i("permissions", Manifest.permission.CAMERA + "：" + permission.granted);
                        }
                    }
                });
    }