BaseActivity.java

package com.qtfreet.musicuu.ui;

import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.transition.Fade;
import android.transition.Slide;
import android.view.KeyEvent;
import android.view.MenuItem;
import android.widget.TextView;

import com.qtfreet.musicuu.R;

import butterknife.Bind;

/**
 * Created by qtfreet00 on 2016/9/1.
 */
public abstract class BaseActivity extends AppCompatActivity {

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

    public abstract void initView(Bundle savedInstanceState);


    protected void setTitleName(String id, boolean isCanBack) {

        if (toolbar != null) {
            setSupportActionBar(toolbar);
            if (toolbarTitle != null) {
                getSupportActionBar().setDisplayShowTitleEnabled(false);
                getSupportActionBar().setDisplayHomeAsUpEnabled(isCanBack);
                toolbarTitle.setText(id);
            }
        }
    }

    protected void setupWindowAnimations() {
        if (android.os.Build.VERSION.SDK_INT >= android.os.Build.VERSION_CODES.LOLLIPOP) {
            Slide slide = new Slide();
            slide.setDuration(1000);
            getWindow().setExitTransition(slide);
            Fade fade = new Fade();
            fade.setDuration(1000);
            getWindow().setReenterTransition(fade);
        }
    }

    @Bind(R.id.toolbar)
    Toolbar toolbar;
    @Bind(R.id.title_name)
    TextView toolbarTitle;

    @Override
    public boolean onOptionsItemSelected(MenuItem item) {
        int id = item.getItemId();

        if (id == android.R.id.home) {
            this.finish();
        }
        return super.onOptionsItemSelected(item);
    }

    @Override
    public boolean onKeyDown(int keyCode, KeyEvent event) {

        if (keyCode == KeyEvent.KEYCODE_BACK
                && event.getRepeatCount() == 0) {
            finish();
            return true;
        }
        return super.onKeyDown(keyCode, event);
    }
}