SmsForwarder/app/src/main/java/com/idormy/sms/forwarder/OnePixelActivity.java

package com.idormy.sms.forwarder;

import android.app.Activity;
import android.os.Bundle;
import android.util.Log;
import android.view.Gravity;
import android.view.Window;
import android.view.WindowManager;

import androidx.annotation.Nullable;

import com.idormy.sms.forwarder.utils.OnePixelManager;

public class OnePixelActivity extends Activity {
    private static final String TAG = "OnePixelActivity";

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Window window = getWindow();
        window.setGravity(Gravity.START | Gravity.TOP);
        WindowManager.LayoutParams params = window.getAttributes();
        params.x = 0;
        params.y = 0;
        params.height = 1;
        params.width = 1;
        window.setAttributes(params);
        OnePixelManager manager = new OnePixelManager();
        manager.setKeepAliveReference(this);//将引用传给OnePixelManager

        Log.e(TAG, "onCreate");
    }

    @Override
    protected void onDestroy() {
        super.onDestroy();
        Log.e(TAG, "onDestroy");
    }

    @Override
    protected void onStop() {
        super.onStop();
        Log.e(TAG, "onStop");
    }

    @Override
    protected void onPause() {
        super.onPause();
        Log.e(TAG, "onPause");
    }

    @Override
    protected void onStart() {
        super.onStart();
        Log.e(TAG, "onStart");
    }

    @Override
    protected void onResume() {
        super.onResume();
        Log.e(TAG, "onResume");
    }
}