Android 中从屏幕左下角弹出Dialog动画效果的实现代码

import android.app.Dialog;import android.os.Bundle;import android.support.v7.app.AppCompatActivity;import android.view.Gravity;import android.view.LayoutInflater;import android.view.View;import android.view.Window;import android.view.WindowManager;public class MainActivity extends AppCompatActivity {private View inflate;private Dialog dialog;@Overrideprotected void onCreate(Bundle savedInstanceState) { super.onCreate(savedInstanceState); setContentView(R.layout.activity_main);}public void click(View view) { dialog = new Dialog(this,R.style.ActionDialogStyle); //填充对话框的布局 inflate = LayoutInflater.from(this).inflate(R.layout.item_dialog, null); //初始化控件 //将布局设置给Dialog dialog.setContentView(inflate); //获取当前Activity所在的窗体 Window dialogWindow = dialog.getWindow(); //设置Dialog从窗体底部弹出 dialogWindow.setGravity( Gravity.BOTTOM); //获得窗体的属性 WindowManager.LayoutParams lp = dialogWindow.getAttributes(); lp.y = 20;//设置Dialog距离底部的距离 lp.width = WindowManager.LayoutParams.MATCH_PARENT;//  将属性设置给窗体 dialogWindow.setAttributes(lp); dialog.show();//显示对话框 }}

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"xmlns:tools="http://schemas.android.com/tools"android:id="@+id/activity_main"android:orientation="vertical"android:layout_width="match_parent"android:layout_height="match_parent"android:paddingBottom="@dimen/activity_vertical_margin"android:paddingLeft="@dimen/activity_horizontal_margin"android:paddingRight="@dimen/activity_horizontal_margin"android:paddingTop="@dimen/activity_vertical_margin"tools:context="ucai.cn.dialoganimator.MainActivity"><TextView android:layout_width="wrap_content" android:layout_height="wrap_content" android:text="Hello World!" android:onClick="click"/></LinearLayout>

<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"android:orientation="vertical" android:layout_width="match_parent"android:layout_height="match_parent"><ImageView android:layout_width="match_parent" android:layout_height="wrap_content" android:src="@drawable/hani_gift_1" android:layout_gravity="center"/></LinearLayout>

 <style name="ActionDialogStyle" parent="@android:style/Theme.Dialog">

<!-- 背景透明 --> <item name="android:windowBackground">@android:color/transparent</item> <item name="android:windowContentOverlay">@null</item> <!-- 浮于Activity之上 --> <item name="android:windowIsFloating">true</item> <!-- 边框 --> <item name="android:windowFrame">@null</item> <!-- Dialog以外的区域模糊效果 --> <item name="android:backgroundDimEnabled">true</item> <!-- 无标题 --> <item name="android:windowNoTitle">true</item> <!-- 半透明 --> <item name="android:windowIsTranslucent">true</item> <!-- Dialog进入及退出动画 --> <item name="android:windowAnimationStyle">@style/ActionSheetDialogAnimation</item></style><!-- ActionSheet进出动画 --><style name="ActionSheetDialogAnimation" parent="@android:style/Animation.Dialog"> <item name="android:windowEnterAnimation">@anim/actionsheet_dialog_in</item> <item name="android:windowExitAnimation">@anim/actionsheet_dialog_out</item></style>

<?xml version="1.0" encoding="utf-8"?><scale xmlns:android="http://schemas.android.com/apk/res/android"android:duration="1000"android:fromXScale="0"android:toXScale="100%"android:fromYScale="0"android:toYScale="100%"android:pivotX="0%"android:pivotY="100%"/>

<?xml version="1.0" encoding="utf-8"?><translate xmlns:android="http://schemas.android.com/apk/res/android"android:duration="200"android:fromYDelta="0"android:toYDelta="100%" />