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feat: Support the v2 Android embedding. #26

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feat: Support the v2 Android embedding. #26

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56 changes: 45 additions & 11 deletions android/src/main/java/flutter/plugins/screen/screen/ScreenPlugin.java
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Original file line number Diff line number Diff line change
@@ -1,8 +1,14 @@
package flutter.plugins.screen.screen;

import android.app.Activity;
import android.provider.Settings;
import android.view.WindowManager;

import androidx.annotation.NonNull;

import io.flutter.embedding.engine.plugins.FlutterPlugin;
import io.flutter.embedding.engine.plugins.activity.ActivityAware;
import io.flutter.embedding.engine.plugins.activity.ActivityPluginBinding;
import io.flutter.plugin.common.MethodChannel;
import io.flutter.plugin.common.MethodChannel.MethodCallHandler;
import io.flutter.plugin.common.MethodChannel.Result;
Expand All @@ -12,18 +18,47 @@
/**
* ScreenPlugin
*/
public class ScreenPlugin implements MethodCallHandler {
public class ScreenPlugin implements MethodCallHandler, FlutterPlugin, ActivityAware {

private ScreenPlugin(Registrar registrar){
this._registrar = registrar;
this._activity = registrar.activity();
}
private Registrar _registrar;
private Activity _activity;

public static void registerWith(Registrar registrar) {
final MethodChannel channel = new MethodChannel(registrar.messenger(), "github.com/clovisnicolas/flutter_screen");
channel.setMethodCallHandler(new ScreenPlugin(registrar));
}

public ScreenPlugin() {}

@Override
public void onAttachedToEngine(@NonNull FlutterPluginBinding binding) {
final MethodChannel channel = new MethodChannel(binding.getBinaryMessenger(), "github.com/clovisnicolas/flutter_screen");
channel.setMethodCallHandler(this);
}

@Override
public void onDetachedFromEngine(@NonNull FlutterPluginBinding binding) {}

@Override
public void onAttachedToActivity(@NonNull ActivityPluginBinding binding) {
this._activity = binding.getActivity();
}

@Override
public void onDetachedFromActivityForConfigChanges() { }

@Override
public void onReattachedToActivityForConfigChanges(@NonNull ActivityPluginBinding binding) {
this._activity = binding.getActivity();
}

@Override
public void onDetachedFromActivity() {
this._activity = null;
}

@Override
public void onMethodCall(MethodCall call, Result result) {
switch(call.method){
Expand All @@ -32,24 +67,24 @@ public void onMethodCall(MethodCall call, Result result) {
break;
case "setBrightness":
double brightness = call.argument("brightness");
WindowManager.LayoutParams layoutParams = _registrar.activity().getWindow().getAttributes();
WindowManager.LayoutParams layoutParams = _activity.getWindow().getAttributes();
layoutParams.screenBrightness = (float)brightness;
_registrar.activity().getWindow().setAttributes(layoutParams);
_activity.getWindow().setAttributes(layoutParams);
result.success(null);
break;
case "isKeptOn":
int flags = _registrar.activity().getWindow().getAttributes().flags;
int flags = _activity.getWindow().getAttributes().flags;
result.success((flags & WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON) != 0) ;
break;
case "keepOn":
Boolean on = call.argument("on");
if (on) {
System.out.println("Keeping screen on ");
_registrar.activity().getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
_activity.getWindow().addFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
}
else{
System.out.println("Not keeping screen on");
_registrar.activity().getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
_activity.getWindow().clearFlags(WindowManager.LayoutParams.FLAG_KEEP_SCREEN_ON);
}
result.success(null);
break;
Expand All @@ -61,16 +96,15 @@ public void onMethodCall(MethodCall call, Result result) {
}

private float getBrightness(){
float result = _registrar.activity().getWindow().getAttributes().screenBrightness;
float result = _activity.getWindow().getAttributes().screenBrightness;
if (result < 0) { // the application is using the system brightness
try {
result = Settings.System.getInt(_registrar.context().getContentResolver(), Settings.System.SCREEN_BRIGHTNESS) / (float)255;
result = Settings.System.getInt(_activity.getApplicationContext().getContentResolver(), Settings.System.SCREEN_BRIGHTNESS) / (float)255;
} catch (Settings.SettingNotFoundException e) {
result = 1.0f;
e.printStackTrace();
}
}
return result;
}

}