Welcome

首页 / 移动开发 / Android / Android编程实现仿QQ发表说说,上传照片及弹出框效果【附demo源码下载】

本文实例讲述了Android编程实现仿QQ发表说说,上传照片及弹出框效果。分享给大家供大家参考,具体如下:
代码很简单,主要就是几个动画而已,图标什么的就随便找了几个,效果图:
 
动画说明:
1.点击右上角按钮,菜单从顶部下拉弹出,同时背景变暗;
2.再次点击右上角按钮,点击返回键,或者点击空白区域(也就是变暗的部分),菜单向上收回;
3.点击菜单上的按钮响应事件,同时菜单收回(效果同2)
重要说明:动画结束后必须clearAnimation,否则隐藏状态的view依然能响应点击事件
主体代码:
public class MainActivity extends Activity {//添加数据按钮private ImageView addDataIv;//下拉功能菜单private LinearLayout dropDownView;private View bgView;//当前下拉菜单是否为显示状态private boolean showItems = false;@Overrideprotected void onCreate(Bundle savedInstanceState) {super.onCreate(savedInstanceState);setContentView(R.layout.activity_main);addDataIv = (ImageView) findViewById(R.id.main_newData);dropDownView = (LinearLayout) findViewById(R.id.dropDownView);bgView = findViewById(R.id.main_bg);addDataIv.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {if (!showItems) {showView();} else {dismissView();}}});//点击空白隐藏弹出框bgView.setOnClickListener(new View.OnClickListener() {@Overridepublic void onClick(View v) {if (showItems) {dismissView();}}});//下拉功能菜单上按钮的点击事件View.OnClickListener l = new OnClickImpl();findViewById(R.id.dropDown_item1).setOnClickListener(l);findViewById(R.id.dropDown_item2).setOnClickListener(l);findViewById(R.id.dropDown_item3).setOnClickListener(l);findViewById(R.id.dropDown_item4).setOnClickListener(l);}//显示下拉菜单private void showView() {showItems = true;addDataIv.startAnimation(AnimationUtils.loadAnimation(MainActivity.this, R.anim.rotate_open));dropDownView.startAnimation(AnimationUtils.loadAnimation(this, R.anim.drop_down));dropDownView.setVisibility(View.VISIBLE);bgView.startAnimation(AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_dark));bgView.setVisibility(View.VISIBLE);}//隐藏下拉菜单private void dismissView() {showItems = false;addDataIv.startAnimation(AnimationUtils.loadAnimation(MainActivity.this, R.anim.rotate_close));Animation dropUpAnim = AnimationUtils.loadAnimation(this, R.anim.drop_up);dropUpAnim.setAnimationListener(new AnimListenerImpl(dropDownView));dropDownView.startAnimation(dropUpAnim);dropDownView.setVisibility(View.INVISIBLE);Animation fadeLightAnim = AnimationUtils.loadAnimation(MainActivity.this, R.anim.fade_light);fadeLightAnim.setAnimationListener(new AnimListenerImpl(bgView));bgView.startAnimation(fadeLightAnim);bgView.setVisibility(View.INVISIBLE);}//点击返回键时,如果下拉菜单是显示状态,则隐藏它@Overridepublic void onBackPressed() {if (showItems) {dismissView();return;}super.onBackPressed();}private class OnClickImpl implements View.OnClickListener {@Overridepublic void onClick(View v) {if (!showItems) {return;}int id = v.getId();switch (id) {case R.id.dropDown_item1:Toast.makeText(MainActivity.this, "item1 onClick", Toast.LENGTH_SHORT).show();dismissView();break;case R.id.dropDown_item2:Toast.makeText(MainActivity.this, "item2 onClick", Toast.LENGTH_SHORT).show();dismissView();break;case R.id.dropDown_item3:Toast.makeText(MainActivity.this, "item3 onClick", Toast.LENGTH_SHORT).show();dismissView();break;case R.id.dropDown_item4:Toast.makeText(MainActivity.this, "item4 onClick", Toast.LENGTH_SHORT).show();dismissView();break;default:break;}}}//动画结束后必须clearAnimation,否则隐藏状态的view依然能响应点击事件private class AnimListenerImpl implements Animation.AnimationListener {private View view;public AnimListenerImpl(View view) {this.view = view;}@Overridepublic void onAnimationStart(Animation animation) {}@Overridepublic void onAnimationEnd(Animation animation) {view.clearAnimation();}@Overridepublic void onAnimationRepeat(Animation animation) {}}}
完整实例代码点击此处本站下载
更多关于Android相关内容感兴趣的读者可查看本站专题:《Android开发动画技巧汇总》、《Android编程之activity操作技巧总结》、《Android视图View技巧总结》、《Android布局layout技巧总结》、《Android开发入门与进阶教程》、《Android资源操作技巧汇总》及《Android控件用法总结》
希望本文所述对大家Android程序设计有所帮助。