一,需求:
1,标题栏:项目中基本每个acctivity都会有相同的标题栏,返回事件相同,标题文字都居中,标题栏侧边按钮有些界面有,有些界面没有
2,加载界面统一
3,联网获取失败界面显示
4,再按一次返回键退出
5,activity管理
二,效果展示
基本效果.jpg
加载界面.jpg
联网失败.jpg
右边标题添加.jpg
三,源码
1,baseActivity
/*
* Activity的基类
*/
public abstract class BaseActivity extends Activity implements OnClickListener {
public static final String INTENTTAG = "intentTag";
public static final String INTENTTAG2 = "intentTag2";
public static final String INTENTTAG3 = "intentTag3";
protected RelativeLayout baseactivity_topLayout;
protected ImageView baseactivity_backImg, baseactivity_rightImg1,
baseactivity_rightImg2;
protected TextView baseactivity_title, baseactivity_backText,
baseactivity_rightText;
protected LinearLayout baseactivity_contextLayout, badnetworkLayout,
loadingLayout, baseactivity_backLayout, baseactivity_rightLayout;
protected LayoutInflater inflater;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
requestWindowFeature(Window.FEATURE_NO_TITLE);
setContentView(R.layout.activity_base);
baseactivity_topLayout = (RelativeLayout) findViewById(R.id.baseactivity_topLayout);
baseactivity_backImg = (ImageView) findViewById(R.id.baseactivity_backImg);
baseactivity_rightImg1 = (ImageView) findViewById(R.id.baseactivity_rightImg1);
baseactivity_rightImg2 = (ImageView) findViewById(R.id.baseactivity_rightImg2);
baseactivity_title = (TextView) findViewById(R.id.baseactivity_title);
baseactivity_backText = (TextView) findViewById(R.id.baseactivity_backText);
baseactivity_rightText = (TextView) findViewById(R.id.baseactivity_rightText);
baseactivity_contextLayout = (LinearLayout) findViewById(R.id.baseactivity_contextLayout);
badnetworkLayout = (LinearLayout) findViewById(R.id.baseactivity_badnetworkLayout);
loadingLayout = (LinearLayout) findViewById(R.id.baseactivity_loadingLayout);
baseactivity_backLayout = (LinearLayout) findViewById(R.id.baseactivity_backLayout);
baseactivity_rightLayout = (LinearLayout) findViewById(R.id.baseactivity_rightLayout);
inflater = LayoutInflater.from(this);
findView();
initView();
initListener();
initData();
baseactivity_backLayout.setOnClickListener(new OnClickListener() {
@Override
public void onClick(View arg0) {
// TODO Auto-generated method stub
closeActivity();
}
});
ActivityManage.getInstance().addActivity(this);
}
/*
* 返回事件
*/
public void closeActivity() {
ActivityManage.getInstance().delectActivity(this);
finish();
overridePendingTransition(R.anim.dialog_right_in,
R.anim.dialog_right_out);
}
/*
* Activity的跳转
*/
public void setIntentClass(Class cla) {
Intent intent = new Intent();
intent.setClass(this, cla);
startActivity(intent);
overridePendingTransition(R.anim.in_from_right, R.anim.out_to_left);
}
/*
* Activity的跳转-带参数
*/
public void setIntentClass(Class cla, Object obj) {
Intent intent = new Intent();
intent.setClass(this, cla);
intent.putExtra(INTENTTAG, (Serializable) obj);
startActivity(intent);
overridePendingTransition(R.anim.in_from_right, R.anim.out_to_left);
}
/**
* Activity-webviewactivity的跳转-带参数
*
* @param cla
* @param title
* @param link
*/
public void setIntentWebView(String title, String link) {
Intent intent = new Intent();
intent.setClass(this, WebviewActivity.class);
intent.putExtra(INTENTTAG, title);
intent.putExtra(INTENTTAG2, link);
startActivity(intent);
overridePendingTransition(R.anim.in_from_right, R.anim.out_to_left);
}
/*
* 显示加载前的动画
*/
protected void showLoadingLayout() {
loadingLayout.setVisibility(View.VISIBLE);
badnetworkLayout.setVisibility(View.GONE);
baseactivity_contextLayout.setVisibility(View.GONE);
// ImageView loading_imageView = (ImageView) loadingLayout
// .findViewById(R.id.loading_imageView);
// loading_imageView.setBackgroundResource(R.anim.loading);
// AnimationDrawable animationDrawable = (AnimationDrawable)
// loading_imageView
// .getBackground();
// animationDrawable.start();
}
/*
* 加载失败或没网络
*/
protected void showBadnetworkLayout() {
loadingLayout.setVisibility(View.GONE);
baseactivity_contextLayout.setVisibility(View.GONE);
badnetworkLayout.setVisibility(View.VISIBLE);
}
/**
* 加载完
*/
protected void showContextLayout() {
loadingLayout.setVisibility(View.GONE);
baseactivity_contextLayout.setVisibility(View.VISIBLE);
badnetworkLayout.setVisibility(View.GONE);
}
/**
* showToast
*/
protected void showToast(String msg) {
Toast.makeText(BaseActivity.this, msg, Toast.LENGTH_SHORT).show();
showLog(getClass().getSimpleName(), msg);
}
/**
* showLog
*/
protected void showLog(String flag, String msg) {
Log.v("flag", "-----------" + flag + "---------------" + msg);
}
/**
* [是否连续两次返回退出]
*
*/
public void setBackExit(boolean isBackExit) {
this.isBackExit = isBackExit;
}
private long exitTime;
@Override
public boolean onKeyDown(int keyCode, KeyEvent event) {
if (keyCode == KeyEvent.KEYCODE_BACK
&& event.getAction() == KeyEvent.ACTION_DOWN) {
if (isBackExit) {
if ((System.currentTimeMillis() - exitTime) > 2000) {
Toast.makeText(getApplicationContext(), "再按一次退出程序",
Toast.LENGTH_SHORT).show();
exitTime = System.currentTimeMillis();
} else {
System.exit(0);
}
}
return true;
}
return super.onKeyDown(keyCode, event);
}
/**
* 初始化事件
*/
protected abstract void initListener();
}
2,ActivityManage
*
* 管理activity的manage
*/
public class ActivityManage {
private static ActivityManage instance;
private static Set activitys;
private ActivityManage() {
}
public static ActivityManage getInstance() {
if (instance == null)
instance = new ActivityManage();
if (activitys == null)
activitys = new HashSet();
return instance;
}
public void addActivity(Activity activity) {
activitys.add(activity);
}
public void delectActivity(Activity activity) {
activitys.remove(activity);
}
public void finishActivity() {
for (Activity activity : activitys) {
if (activity != null)
activity.finish();
}
}
}
3,如何使用
baseactivity_title.setText("title");
contentView = (View) inflater.inflate(R.layout.content_view, null);
baseactivity_contextLayout.addView(contentView);
四,源码地址:
GitHub-UsefulBaseActivity