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ActivityLifecycleCallbacksImpl.java
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ActivityLifecycleCallbacksImpl.java
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/*
* Copyright 2017 JessYan
*
* 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 me.jessyan.mvparms.demo.app;
import android.app.Activity;
import android.app.Application;
import android.os.Build;
import android.os.Bundle;
import android.support.v7.app.AppCompatActivity;
import android.support.v7.widget.Toolbar;
import android.widget.TextView;
import me.jessyan.mvparms.demo.R;
import timber.log.Timber;
/**
* ================================================
* 展示 {@link Application.ActivityLifecycleCallbacks} 的用法
* <p>
* Created by JessYan on 04/09/2017 17:14
* <a href="mailto:jess.yan.effort@gmail.com">Contact me</a>
* <a href="https://github.com/JessYanCoding">Follow me</a>
* ================================================
*/
public class ActivityLifecycleCallbacksImpl implements Application.ActivityLifecycleCallbacks {
@Override
public void onActivityCreated(Activity activity, Bundle savedInstanceState) {
Timber.w(activity + " - onActivityCreated");
}
@Override
public void onActivityStarted(Activity activity) {
Timber.w(activity + " - onActivityStarted");
if (!activity.getIntent().getBooleanExtra("isInitToolbar", false)) {
//由于加强框架的兼容性,故将 setContentView 放到 onActivityCreated 之后,onActivityStarted 之前执行
//而 findViewById 必须在 Activity setContentView() 后才有效,所以将以下代码从之前的 onActivityCreated 中移动到 onActivityStarted 中执行
activity.getIntent().putExtra("isInitToolbar", true);
//这里全局给Activity设置toolbar和title,你想象力有多丰富,这里就有多强大,以前放到BaseActivity的操作都可以放到这里
if (activity.findViewById(R.id.toolbar) != null) {
if (activity instanceof AppCompatActivity) {
((AppCompatActivity) activity).setSupportActionBar((Toolbar) activity.findViewById(R.id.toolbar));
((AppCompatActivity) activity).getSupportActionBar().setDisplayShowTitleEnabled(false);
} else {
if (Build.VERSION.SDK_INT >= Build.VERSION_CODES.LOLLIPOP) {
activity.setActionBar((android.widget.Toolbar) activity.findViewById(R.id.toolbar));
activity.getActionBar().setDisplayShowTitleEnabled(false);
}
}
}
if (activity.findViewById(R.id.toolbar_title) != null) {
((TextView) activity.findViewById(R.id.toolbar_title)).setText(activity.getTitle());
}
if (activity.findViewById(R.id.toolbar_back) != null) {
activity.findViewById(R.id.toolbar_back).setOnClickListener(v -> {
activity.onBackPressed();
});
}
}
}
@Override
public void onActivityResumed(Activity activity) {
Timber.w(activity + " - onActivityResumed");
}
@Override
public void onActivityPaused(Activity activity) {
Timber.w(activity + " - onActivityPaused");
}
@Override
public void onActivityStopped(Activity activity) {
Timber.w(activity + " - onActivityStopped");
}
@Override
public void onActivitySaveInstanceState(Activity activity, Bundle outState) {
Timber.w(activity + " - onActivitySaveInstanceState");
}
@Override
public void onActivityDestroyed(Activity activity) {
Timber.w(activity + " - onActivityDestroyed");
//横竖屏切换或配置改变时, Activity 会被重新创建实例, 但 Bundle 中的基础数据会被保存下来,移除该数据是为了保证重新创建的实例可以正常工作
activity.getIntent().removeExtra("isInitToolbar");
}
}