Android 6.0调用相机图册崩溃的完美解决方案
最近客户更新系统发现,以前的项目在调用相机的时候,闪退掉了,很奇怪,后来查阅后发现,Android6.0以后需要程序授权相机权限,默认会给出提示,让用户授权,个人感觉这一特性很好,大概如下:
导入AndroidV4,V7包!
AndroidStudio导入很简单,右键项目后找到dependency就ok了。
继承AppCompatActivity
publicclassMainActivityextendsAppCompatActivity
引入需要的类库
importandroid.support.design.widget.Snackbar; importandroid.support.v4.app.ActivityCompat; importandroid.support.v7.app.AppCompatActivity;
检查相机权限,并请求权限
//BEGIN_INCLUDE(camera_permission_request)
if(ActivityCompat.shouldShowRequestPermissionRationale(this,
Manifest.permission.CAMERA)){
//Provideanadditionalrationaletotheuserifthepermissionwasnotgranted
//andtheuserwouldbenefitfromadditionalcontextfortheuseofthepermission.
//Forexampleiftheuserhaspreviouslydeniedthepermission.
Log.i(TAG,
"Displayingcamerapermissionrationaletoprovideadditionalcontext.");
Snackbar.make(mLayout,R.string.permission_camera_rationale,
Snackbar.LENGTH_INDEFINITE)
.setAction(R.string.ok,newView.OnClickListener(){
@Override
publicvoidonClick(Viewview){
ActivityCompat.requestPermissions(MainActivity.this,
newString[]{Manifest.permission.CAMERA},
REQUEST_CAMERA);
}
})
.show();
}else{
//Camerapermissionhasnotbeengrantedyet.Requestitdirectly.
ActivityCompat.requestPermissions(this,newString[]{Manifest.permission.CAMERA},
REQUEST_CAMERA);
}
//END_INCLUDE(camera_permission_request)
授权后接收回调方法:
/**
*Callbackreceivedwhenapermissionsrequesthasbeencompleted.
*/
@Override
publicvoidonRequestPermissionsResult(intrequestCode,@NonNullString[]permissions,
@NonNullint[]grantResults){
if(requestCode==REQUEST_CAMERA){
//BEGIN_INCLUDE(permission_result)
//Receivedpermissionresultforcamerapermission.
Log.i(TAG,"ReceivedresponseforCamerapermissionrequest.");
//Checkiftheonlyrequiredpermissionhasbeengranted
}
}
混合应用开发解决方案
对于混合应用开发,有两种解决方案:
更改现有插件,添加权限访问代码(可能有有些麻烦)
调用权限插件:
安装:
cordovapluginaddcordova-plugin-android-permissions@0.10.0
包含的权限
//Example permissions.ACCESS_COARSE_LOCATION permissions.CAMERA permissions.GET_ACCOUNTS permissions.READ_CONTACTS permissions.READ_CALENDAR ...
示例代码
varpermissions=cordova.plugins.permissions;
permissions.hasPermission(permissions.CAMERA,checkPermissionCallback,null);
functioncheckPermissionCallback(status){
if(!status.hasPermission){
varerrorCallback=function(){
console.warn('Camerapermissionisnotturnedon');
}
permissions.requestPermission(
permissions.CAMERA,
function(status){
if(!status.hasPermission)errorCallback();
},
errorCallback);
}
}
以上所述是小编给大家介绍的Android6.0调用相机图册崩溃的完美解决方案,希望对大家有所帮助,如果大家有任何疑问请给我留言,小编会及时回复大家的。在此也非常感谢大家对毛票票网站的支持!