MainActivity代碼:
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;
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
}
public void click(View view) {
dialog = new Dialog(this,R.style.ActionDialogStyle);
//填充對話框的布局
inflate = LayoutInflater.from(this).inflate(R.layout.item_dialog, null);
//初始化控件
//将布局設定給Dialog
dialog.setContentView(inflate);
//擷取目前Activity所在的窗體
Window dialogWindow = dialog.getWindow();
//設定Dialog從窗體底部彈出
dialogWindow.setGravity( Gravity.BOTTOM);
//獲得窗體的屬性
WindowManager.LayoutParams lp = dialogWindow.getAttributes();
lp.y = 20;//設定Dialog距離底部的距離
lp.width = WindowManager.LayoutParams.MATCH_PARENT;
// 将屬性設定給窗體
dialogWindow.setAttributes(lp);
dialog.show();//顯示對話框
}
}
主界面的布局:
<?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>
Dialog布局:
<?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>
styles代碼:
<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>
<!-- 邊框 -->
<item name="android:windowFrame">@null</item>
<!-- Dialog以外的區域模糊效果 -->
<item name="android:backgroundDimEnabled">true</item>
<!-- 無标題 -->
<item name="android:windowNoTitle">true</item>
<!-- 半透明 -->
<item name="android:windowIsTranslucent">true</item>
<!-- Dialog進入及退出動畫 -->
<item name="android:windowAnimationStyle">@style/ActionSheetDialogAnimation</item>
</style>
<!-- ActionSheet進出動畫 -->
<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>
進入動畫(左下角開始放大):
<?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%"
/>
退出動畫(向下移動):
<?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%" />