BaseActivity.java

package com.codingbingo.fastreader.base;

import android.app.FragmentManager;
import android.app.ProgressDialog;
import android.os.Build;
import android.os.Bundle;
import android.support.annotation.Nullable;
import android.support.v7.app.AppCompatActivity;
import android.view.WindowManager;
import android.widget.Toast;

import com.avos.avoscloud.AVAnalytics;
import com.codingbingo.fastreader.FRApplication;
import com.codingbingo.fastreader.dao.DaoSession;
import com.codingbingo.fastreader.view.LoadingDialog;

/**
 * Created by bingo on 2016/12/23.
 */

public class BaseActivity extends AppCompatActivity {
    public static final int NO_BOOK_ID = -1;
    protected FragmentManager mFragmentManager;

    private LoadingDialog loadingDialog;
    private Toast toast;

    @Override
    protected void onCreate(@Nullable Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);

        if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.KITKAT) {
            //透明状态栏
            getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_STATUS);
            //透明导航栏
            getWindow().addFlags(WindowManager.LayoutParams.FLAG_TRANSLUCENT_NAVIGATION);
        }

        init();
    }

    /**
     * 初始化操作
     */
    private void init() {
        mFragmentManager = getFragmentManager();
    }

    @Override
    protected void onStart() {
        super.onStart();
    }

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

    @Override
    protected void onPause() {
        super.onPause();
        AVAnalytics.onPause(this);
    }

    @Override
    protected void onResume() {
        super.onResume();
        AVAnalytics.onResume(this);
    }

    /**
     * 获取数据库session
     *
     * @return
     */
    protected DaoSession getDaoSession() {
        return FRApplication.getInstance().getDaoSession();
    }

    protected void showToast(String content) {
        if (toast == null) {
            toast = Toast.makeText(this, content, Toast.LENGTH_SHORT);
        } else {
            toast.setText(content);
        }

        toast.show();
    }

    /**
     * 显示加载动画
     *
     * @param message
     */
    protected void showLoadingDialog(String message) {
        if (loadingDialog == null) {
            loadingDialog = new LoadingDialog(this);
        }

        loadingDialog.show();
    }

    /**
     * 关闭加载动画
     */
    protected void dismissLoadingDialog() {
        if (loadingDialog != null) {
            loadingDialog.dismiss();
        }
    }
}