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，android 6.0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android v4， v7包！

android studio 导入很简单，右键项目后找到dependency就ok了。

继承appcompatactivity

public class mainactivity extends appcompatactivity

引入需要的类库

import android.support.design.widget.snackbar;
import android.support.v4.app.activitycompat;
import android.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)) {
// provide an additional rationale to the user if the permission was not granted
// and the user would benefit from additional context for the use of the permission.
// for example if the user has previously denied the permission.
log.i(tag,
"displaying camera permission rationale to provide additional context.");
snackbar.make(mlayout, r.string.permission_camera_rationale,
snackbar.length_indefinite)
.setaction(r.string.ok, new view.onclicklistener() {
@override
public void onclick(view view) {
activitycompat.requestpermissions(mainactivity.this,
new string[]{manifest.permission.camera},
request_camera);
}
})
.show();
} else {
// camera permission has not been granted yet. request it directly.
activitycompat.requestpermissions(this, new string[]{manifest.permission.camera},
request_camera);
}
// end_include(camera_permission_request)

授权后接收回调方法：

/**
* callback received when a permissions request has been completed.
*/
@override
public void onrequestpermissionsresult(int requestcode, @nonnull string[] permissions,
@nonnull int[] grantresults) {
if (requestcode == request_camera) {
// begin_include(permission_result)
// received permission result for camera permission.
log.i(tag, "received response for camera permission request.");
// check if the only required permission has been granted
} 
}

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：

cordova plugin add cordova-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

var permissions = cordova.plugins.permissions;
permissions.haspermission(permissions.camera, checkpermissioncallback, null);
function checkpermissioncallback(status) {
if(!status.haspermission) {
var errorcallback = function() {
console.warn('camera permission is not turned on');
}
permissions.requestpermission(
permissions.camera,
function(status) {
if(!status.haspermission) errorcallback();
},
errorcallback);
}
}

以上所述是小编给大家介绍的android 6.0调用相机图册崩溃的完美解决方案，希望对大家有所帮助