com.alex.vmandroid.display.voice.db.RecordDBActivity.java Source code

Introduction

Here is the source code for com.alex.vmandroid.display.voice.db.RecordDBActivity.java

Source

/*
 * Copyright 2016 Alex_ZHOU
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.alex.vmandroid.display.voice.db;

import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v4.app.FragmentManager;
import android.support.v4.app.FragmentTransaction;
import android.util.Log;

import com.alex.vmandroid.R;
import com.alex.vmandroid.base.BaseActivity;
import com.amap.api.location.AMapLocation;
import com.amap.api.location.AMapLocationClient;
import com.amap.api.location.AMapLocationClientOption;
import com.amap.api.location.AMapLocationListener;
import com.amap.api.maps.AMap;
import com.amap.api.maps.LocationSource;
import com.amap.api.maps.MapView;

public class RecordDBActivity extends BaseActivity
        implements LocationSource, AMap.OnMapLoadedListener, AMapLocationListener {

    public static final String TAG = RecordDBActivity.class.getName();

    private AMapLocationClient mLocationClient;

    private OnLocationChangedListener mListener;

    private MapView mMapView;

    @Override
    protected void onDestroy() {
        mMapView.onDestroy();
        super.onDestroy();
    }

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        Log.i(TAG, "onCreate: ");

        setContentView(R.layout.activity_voice_db_record_db);

        mMapView = (MapView) findViewById(R.id.record_db_map_view);
        mMapView.onCreate(savedInstanceState);// ?

        AMap mAMap = mMapView.getMap();
        mAMap.setLocationSource(this);// ??
        mAMap.setOnMapLoadedListener(this);
        //mAMap.getUiSettings().setMyLocationButtonEnabled(true);// ??

        mAMap.setMyLocationEnabled(true);// true????false???????false

        RecordDBFragment fragment = RecordDBFragment.newInstance();
        FragmentManager fragmentManager = getSupportFragmentManager();
        FragmentTransaction transaction = fragmentManager.beginTransaction();
        transaction.replace(R.id.record_db_fl, fragment);
        transaction.commit();

    }

    @Override
    public void activate(OnLocationChangedListener onLocationChangedListener) {
        mListener = onLocationChangedListener;
        if (mLocationClient == null) {
            mLocationClient = new AMapLocationClient(getApplicationContext());
            AMapLocationClientOption mLocationOption = new AMapLocationClientOption();
            //??
            mLocationClient.setLocationListener(this);
            //??
            mLocationOption.setLocationMode(AMapLocationClientOption.AMapLocationMode.Hight_Accuracy);
            //??
            mLocationClient.setLocationOption(mLocationOption);
            // ???????
            // ?????2000ms?stopLocation()???
            // ????onDestroy()
            // ?????stopLocation()?sdk
            mLocationClient.startLocation();
        }
    }

    @Override
    public void deactivate() {
        mListener = null;
        if (mLocationClient != null) {
            mLocationClient.stopLocation();
            mLocationClient.onDestroy();
        }
        mLocationClient = null;
    }

    @Override
    public void onMapLoaded() {

    }

    @Override
    public void onLocationChanged(AMapLocation amapLocation) {
        if (mListener != null && amapLocation != null) {
            if (amapLocation.getErrorCode() == 0) {
                //                mCity = amapLocation.getCity();
                //                mCityTextView.setText(mCity);
                //
                //                mPresenter.searchWeatherRecord(getContext(), amapLocation.getCity());

                mListener.onLocationChanged(amapLocation);// ??
            } else {
                String errText = "?," + amapLocation.getErrorCode() + ": " + amapLocation.getErrorInfo();
                Log.e("AmapErr", errText);
                //mLocationErrText.setVisibility(View.VISIBLE);
                //mLocationErrText.setText(errText);
            }
        }
    }
}