3 回答
![?](http://img1.sycdn.imooc.com/545863e80001889e02200220-100-100.jpg)
TA贡献1821条经验 获得超6个赞
添加权限
<uses-permission
android:name="android.permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS"/>
请求将您的应用列入白名单
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);
}
}
![?](http://img1.sycdn.imooc.com/533e52b90001456f02000200-100-100.jpg)
TA贡献1806条经验 获得超8个赞
如果没有在Android M预览版3上进行用户交互,则无法禁用电池优化(=打ze模式的白名单应用程序)。
可以通过以下方式与用户交互来完成:
Intent intent = new Intent();
String packageName = context.getPackageName();
PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
if (pm.isIgnoringBatteryOptimizations(packageName))
intent.setAction(Settings.ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS);
else {
intent.setAction(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS);
intent.setData(Uri.parse("package:" + packageName));
}
context.startActivity(intent);
![?](http://img1.sycdn.imooc.com/54584cd10001404b02200220-100-100.jpg)
TA贡献1828条经验 获得超6个赞
我认为该帮助班应该满足您的所有需求。
要使用它来请求操作系统将您的应用列入白名单,您可以使用prepareIntentForWhiteListingOfBatteryOptimization。如果您得到null,则表示您不需要它或无法使用它。您可以使用其他功能查询您所处状态的更好状态。
public class PowerSaverHelper {
public enum PowerSaveState {
ON, OFF, ERROR_GETTING_STATE, IRRELEVANT_OLD_ANDROID_API
}
public enum WhiteListedInBatteryOptimizations {
WHITE_LISTED, NOT_WHITE_LISTED, ERROR_GETTING_STATE, UNKNOWN_TOO_OLD_ANDROID_API_FOR_CHECKING, IRRELEVANT_OLD_ANDROID_API
}
public enum DozeState {
NORMAL_INTERACTIVE, DOZE_TURNED_ON_IDLE, NORMAL_NON_INTERACTIVE, ERROR_GETTING_STATE, IRRELEVANT_OLD_ANDROID_API, UNKNOWN_TOO_OLD_ANDROID_API_FOR_CHECKING
}
@NonNull
public static DozeState getDozeState(@NonNull Context context) {
if (VERSION.SDK_INT < VERSION_CODES.LOLLIPOP)
return DozeState.IRRELEVANT_OLD_ANDROID_API;
if (VERSION.SDK_INT < VERSION_CODES.M) {
return DozeState.UNKNOWN_TOO_OLD_ANDROID_API_FOR_CHECKING;
}
final PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
if (pm == null)
return DozeState.ERROR_GETTING_STATE;
return pm.isDeviceIdleMode() ? DozeState.DOZE_TURNED_ON_IDLE : pm.isInteractive() ? DozeState.NORMAL_INTERACTIVE : DozeState.NORMAL_NON_INTERACTIVE;
}
@NonNull
public static PowerSaveState getPowerSaveState(@NonNull Context context) {
if (VERSION.SDK_INT < VERSION_CODES.LOLLIPOP)
return PowerSaveState.IRRELEVANT_OLD_ANDROID_API;
final PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
if (pm == null)
return PowerSaveState.ERROR_GETTING_STATE;
return pm.isPowerSaveMode() ? PowerSaveState.ON : PowerSaveState.OFF;
}
@NonNull
public static WhiteListedInBatteryOptimizations getIfAppIsWhiteListedFromBatteryOptimizations(@NonNull Context context, @NonNull String packageName) {
if (VERSION.SDK_INT < VERSION_CODES.LOLLIPOP)
return WhiteListedInBatteryOptimizations.IRRELEVANT_OLD_ANDROID_API;
if (VERSION.SDK_INT < VERSION_CODES.M)
return WhiteListedInBatteryOptimizations.UNKNOWN_TOO_OLD_ANDROID_API_FOR_CHECKING;
final PowerManager pm = (PowerManager) context.getSystemService(Context.POWER_SERVICE);
if (pm == null)
return WhiteListedInBatteryOptimizations.ERROR_GETTING_STATE;
return pm.isIgnoringBatteryOptimizations(packageName) ? WhiteListedInBatteryOptimizations.WHITE_LISTED : WhiteListedInBatteryOptimizations.NOT_WHITE_LISTED;
}
@TargetApi(VERSION_CODES.M)
@RequiresPermission(permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS)
@Nullable
public static Intent prepareIntentForWhiteListingOfBatteryOptimization(@NonNull Context context, @NonNull String packageName, boolean alsoWhenWhiteListed) {
if (VERSION.SDK_INT < VERSION_CODES.LOLLIPOP)
return null;
if (ContextCompat.checkSelfPermission(context, permission.REQUEST_IGNORE_BATTERY_OPTIMIZATIONS) == PackageManager.PERMISSION_DENIED)
return null;
final WhiteListedInBatteryOptimizations appIsWhiteListedFromPowerSave = getIfAppIsWhiteListedFromBatteryOptimizations(context, packageName);
Intent intent = null;
switch (appIsWhiteListedFromPowerSave) {
case WHITE_LISTED:
if (alsoWhenWhiteListed)
intent = new Intent(Settings.ACTION_IGNORE_BATTERY_OPTIMIZATION_SETTINGS);
break;
case NOT_WHITE_LISTED:
intent = new Intent(Settings.ACTION_REQUEST_IGNORE_BATTERY_OPTIMIZATIONS).setData(Uri.parse("package:" + packageName));
break;
case ERROR_GETTING_STATE:
case UNKNOWN_TOO_OLD_ANDROID_API_FOR_CHECKING:
case IRRELEVANT_OLD_ANDROID_API:
default:
break;
}
return intent;
}
/**
* registers a receiver to listen to power-save events. returns true iff succeeded to register the broadcastReceiver.
*/
@TargetApi(VERSION_CODES.M)
public static boolean registerPowerSaveReceiver(@NonNull Context context, @NonNull BroadcastReceiver receiver) {
if (VERSION.SDK_INT < VERSION_CODES.M)
return false;
IntentFilter filter = new IntentFilter();
filter.addAction(PowerManager.ACTION_DEVICE_IDLE_MODE_CHANGED);
context.registerReceiver(receiver, filter);
return true;
}
}
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