Marshmallow API与之前的Android操作系统非常不同。当屏幕关闭时,设备处于待机模式,无法同步网络。因此,为了进行带有网络的后台操作,我们必须防止进入待机模式。
Marshmallow API与之前的Android操作系统非常不同。当屏幕关闭时,设备处于待机模式,无法同步网络。因此,为了进行带有网络的后台操作,我们必须防止进入待机模式。
将以下权限添加到manifest.xml中
<uses-permission
android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS"/>
调用以下方法
public void turnOffDozeMode(Context context){ //you can use with or without passing context
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
Intent intent = new Intent();
String packageName = context.getPackageName();
PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
if (pm.isIgnoringBatteryOptimizations(packageName)) // if you want to desable doze mode for this package
intent.setAction(Settings.ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS);
else { // if you want to enable doze mode
intent.setAction(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
intent.setData(Uri.parse("package:" + packageName));
}
context.startActivity(intent);
}
}
或者您也可以使用以下场景...
可以通过以下方式以编程方式进行Android应用程序的白名单设置:
boolean isIgnoringBatteryOptimizations = pm.isIgnoringBatteryOptimizations(getPackageName());
if(!isIgnoringBatteryOptimizations){
Intent intent = new Intent();
intent.setAction(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
intent.setData(Uri.parse("package:" + getPackageName()));
startActivityForResult(intent, MY_IGNORE_OPTIMIZATION_REQUEST);
}
可以通过以下代码验证上述活动的结果:
@Override
protected void onActivityResult(int requestCode, int resultCode, Intent data) {
if (requestCode == MY_IGNORE_OPTIMIZATION_REQUEST) {
PowerManager pm = (PowerManager)getSystemService(Context.POWER_SERVICE);
boolean isIgnoringBatteryOptimizations = pm.isIgnoringBatteryOptimizations(getPackageName());
if(isIgnoringBatteryOptimizations){
// Ignoring battery optimization
}else{
// Not ignoring battery optimization
}
}
}