从JavaScript在Android的应用程序科尔多瓦改变KeepScreenOn [英] changing KeepScreenOn from javascript in Android cordova app
问题描述
我试图控制从我的科尔多瓦应用程序屏幕超时。该应用程序播放视频和，而应用程序是在播放视频我要关闭屏幕超时。虽然视频暂停或者他们正在做别的东西，我想重新打开它。 如果我在OnCreate中设置KeepScreenOn标志，它工作正常，但是如果我从我的插件没有什么变化调用它。我曾经尝试都
getWindow（）addFlags（WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON）。
和
this.webView.setKeepScreenOn（真正的）;
下面是我的插件code。
包com.Kidobi.plugins;
进口org.apache.cordova.api.CallbackContext;
进口org.apache.cordova.api.CordovaPlugin;
进口org.json.JSONArray;
进口org.json.JSONException;
进口android.view.WindowManager;
公共类KeepScreenOn扩展CordovaPlugin {
@覆盖
公共布尔执行（串动，JSONArray的args，最终CallbackContext callbackContext）抛出JSONException {
的System.out.println（我现在的插件）;
如果（action.equals（KeepScreenOn））{
的System.out.println（KeepScreenOn）;
this.webView.setKeepScreenOn（真正的）;
//cordova.getActivity().getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON）;
//callbackContext.success(action）;
返回true;
}否则，如果（action.equals（CancelKeepScreenOn））{
的System.out.println（CancelKeepScreenOn）;
this.webView.setKeepScreenOn（假）;
//cordova.getActivity().getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON）;
//callbackContext.success(action）;
返回true;
} 其他 {
的System.out.println（未知）;
callbackContext.error（未知动作+动作）;
返回false;
}
}
}
我添加了一个插件，使用这种code到gihub。使用CLI安装 须藤科尔多瓦插件添加 https://github.com/leohenning/KeepScreenOnPlugin 这已经过测试，科尔多瓦3.1
它做的线程。需要在UI线程上运行。 <一href="http://cordova.apache.org/docs/en/2.8.0/guide_plugin-development_android_index.md.html#Developing%20a%20Plugin%20on%20Android" rel="nofollow">http://cordova.apache.org/docs/en/2.8.0/guide_plugin-development_android_index.md.html#Developing%20a%20Plugin%20on%20Android
请参见上穿线
因此code的作品看起来像
包com.MyPlug.plugins;
进口org.apache.cordova.api.CallbackContext;
进口org.apache.cordova.api.CordovaPlugin;
进口org.json.JSONArray;
进口org.json.JSONException;
进口android.view.WindowManager;
公共类KeepScreenOn扩展CordovaPlugin {
@覆盖
公共布尔执行（串动，JSONArray的args，最终CallbackContext callbackContext）抛出JSONException {
的System.out.println（我现在的插件）;
如果（action.equalsIgnoreCase（KeepScreenOn））{
的System.out.println（开始KeepScreenOn）;
cordova.getActivity（）。runOnUiThread（新的Runnable（）{
公共无效的run（）{
。cordova.getActivity（）getWindow（）addFlags（WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON）;
的System.out.println（屏幕就会不停地在KeepScreenOn。）;
}
}）;
//cordova.getActivity().getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON）;
//callbackContext.success(action）;
返回true;
}否则，如果（action.equalsIgnoreCase（CancelKeepScreenOn））{
的System.out.println（CancelKeepScreenOn）;
cordova.getActivity（）。runOnUiThread（新的Runnable（）{
公共无效的run（）{
。cordova.getActivity（）getWindow（）clearFlags（WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON）;
的System.out.println（画面将不会被保留在取消KeepScreenOn。）;
}
}）;
//cordova.getActivity().getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON）;
//callbackContext.success(action）;
返回true;
} 其他 {
的System.out.println（未知）;
callbackContext.error（未知动作+动作）;
返回false;
}
}
}
然后从我的JavaScript调用
cordova.exec（NULL，NULL，KeepScreenOn，CancelKeepScreenOn，[]）;
在config.xml
＆LT;功能名称=KeepScreenOn＆GT;
＆LT; PARAM NAME =Android的包值=com.MyPlug.plugins.KeepScreenOn/＆GT;
＆LT; /功能＆GT;
，非常感谢这个问题 <一href="http://stackoverflow.com/questions/14227152/android-phonegap-error-calling-method-on-npobject">Android ＆放大器; PhoneGap的 - 对NPObject 错误调用方法
I am trying to control the screen timeout from my cordova app. The app plays videos and while the app is playing a video I want to turn off the screen timeout. While a video is paused or they are doing something else I want to turn it back on. If I set the KeepScreenOn flag in OnCreate it works fine however if I call it from my plugin nothing changes. I have tried both
getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
and
this.webView.setKeepScreenOn(true);
Here is my plugin code.
package com.Kidobi.plugins;
import org.apache.cordova.api.CallbackContext;
import org.apache.cordova.api.CordovaPlugin;
import org.json.JSONArray;
import org.json.JSONException;
import android.view.WindowManager;
public class KeepScreenOn extends CordovaPlugin {
@Override
public boolean execute(String action, JSONArray args, final CallbackContext callbackContext) throws JSONException {
System.out.println("Im in the plugin");
if (action.equals("KeepScreenOn")) {
System.out.println("KeepScreenOn");
this.webView.setKeepScreenOn(true);
//cordova.getActivity().getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
//callbackContext.success(action);
return true;
} else if (action.equals("CancelKeepScreenOn")){
System.out.println("CancelKeepScreenOn");
this.webView.setKeepScreenOn(false);
//cordova.getActivity().getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
//callbackContext.success(action);
return true;
} else {
System.out.println("UNKNOWN");
callbackContext.error("unknown action" + action);
return false;
}
}
}
I have added a plugin to gihub using this code. to install it using the cli sudo cordova plugins add https://github.com/leohenning/KeepScreenOnPlugin this has been tested for cordova 3.1
It has to do with the thread. Need to be running on the UI thread. http://cordova.apache.org/docs/en/2.8.0/guide_plugin-development_android_index.md.html#Developing%20a%20Plugin%20on%20Android
see the section on threading
so the code that works looks like
package com.MyPlug.plugins;
import org.apache.cordova.api.CallbackContext;
import org.apache.cordova.api.CordovaPlugin;
import org.json.JSONArray;
import org.json.JSONException;
import android.view.WindowManager;
public class KeepScreenOn extends CordovaPlugin {
@Override
public boolean execute(String action, JSONArray args, final CallbackContext callbackContext) throws JSONException {
System.out.println("Im in the plugin");
if (action.equalsIgnoreCase("KeepScreenOn")) {
System.out.println("Start KeepScreenOn");
cordova.getActivity().runOnUiThread(new Runnable() {
public void run() {
cordova.getActivity().getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
System.out.println("Screen will be kept on. KeepScreenOn");
}
});
//cordova.getActivity().getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
//callbackContext.success(action);
return true;
} else if (action.equalsIgnoreCase("CancelKeepScreenOn")){
System.out.println("CancelKeepScreenOn");
cordova.getActivity().runOnUiThread(new Runnable() {
public void run() {
cordova.getActivity().getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
System.out.println("Screen will not be kept on. Cancel KeepScreenOn");
}
});
//cordova.getActivity().getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
//callbackContext.success(action);
return true;
} else {
System.out.println("UNKNOWN");
callbackContext.error("unknown action" + action);
return false;
}
}
}
then from the javascript I call
cordova.exec(null, null, "KeepScreenOn", "CancelKeepScreenOn", [""]);
the config.xml
<feature name="KeepScreenOn">
<param name="android-package" value="com.MyPlug.plugins.KeepScreenOn"/>
</feature>
with thanks to this problem Android & PhoneGap -- Error calling method on NPObject
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