在 manifest 文件中添加这个权限。
<uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS"/>
请求为您的应用启用白名单/优化
if(Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
Intent intent = new Intent();
String packageName = getPackageName();
PowerManager pm = (PowerManager) getSystemService(POWER_SERVICE);
if (!pm.isIgnoringBatteryOptimizations(packageName)) {
intent.setAction(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
intent.setData(Uri.parse("package:" + packageName));
startActivity(intent);
}
}
如何使用 Kotlin 编写此代码
/**
* return true if in App's Battery settings "Not optimized" and false if "Optimizing battery use"
*/
fun isIgnoringBatteryOptimizations(context: Context): Boolean {
val pwrm = context.applicationContext.getSystemService(Context.POWER_SERVICE) as PowerManager
val name = context.applicationContext.packageName
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
return pwrm.isIgnoringBatteryOptimizations(name)
}
return true
}
Activity
。 fun checkBattery() {
if (!isIgnoringBatteryOptimizations() && Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
val name = resources.getString(R.string.app_name)
Toast.makeText(applicationContext, "Battery optimization -> All apps -> $name -> Don't optimize", Toast.LENGTH_LONG).show()
val intent = Intent(Settings.ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS)
startActivity(intent)
}
}
这个有点棘手,但是我找到了:你要找的是
PowerManager.isIgnoringBatteryOptimizations()
方法在三星和华为设备上运行正常。我认为它适用于任何制造商的 ROM。 - bearlysophisticated示例代码:
PowerManager pm = (PowerManager) getSystemService(POWER_SERVICE);
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.M) {
if (pm != null && !pm.isIgnoringBatteryOptimizations(getPackageName())) {
askIgnoreOptimization();
} else {
// already ignoring battery optimization code here next you want to do
}
} else {
// already ignoring battery optimization code here next you want to do
}
声明静态变量
private static final int IGNORE_BATTERY_OPTIMIZATION_REQUEST = 1002;
显示电池优化对话框
private void askIgnoreOptimization() {
if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.M) {
Intent intent = new Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
intent.setData(Uri.parse("package:" + getPackageName()));
startActivityForResult(intent, IGNORE_BATTERY_OPTIMIZATION_REQUEST);
} else {
openNextActivity();
}
}
也需要在清单文件中添加权限,即如下所示。<uses-permission android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS"/>
也许这段代码对您有帮助!
ActivityEventListener
接口。然后将其添加为模块上下文的监听器。然后调用startActivityForResult
并实现onActivityResult
方法。在这里,您可以检查权限是否已授予,并通过Promise解决它。我相信它能够正常工作,尽管我仍在使用这种方法测试不同的场景。 - Keselme