//普通的AlertDialog对话框
findViewById(R.id.btn_common).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
builder.setTitle("普通的对话框的标题");
builder.setMessage("这是一个普通的对话框的内容");
builder.setNegativeButton("取消", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
toast("取消");
}
});
builder.setPositiveButton("确定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialog, int which) {
toast("确定");
}
});
AlertDialog dialog = builder.create();
dialog.show();
}
});
//放在show()之后,不然有些属性是没有效果的,比如height和width Window dialogWindow = dialog.getWindow(); WindowManager m = getWindowManager(); Display d = m.getDefaultDisplay(); // 获取屏幕宽、高用 WindowManager.LayoutParams p = dialogWindow.getAttributes(); // 获取对话框当前的参数值 //设置高度和宽度 p.height = (int) (d.getHeight() * 0.4); // 高度设置为屏幕的0.6 p.width = (int) (d.getWidth() * 0.6); // 宽度设置为屏幕的0.65 //设置位置 p.gravity = Gravity.BOTTOM; //设置透明度 p.alpha = 0.5f; dialogWindow.setAttributes(p);
<?xml version="1.0" encoding="utf-8"?> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="100dp" android:layout_height="100dp" android:background="#00ff00"> <TextView android:layout_width="match_parent" android:layout_height="match_parent" android:gravity="center" android:textColor="#ff0000" android:text="你好"/> </LinearLayout>
// 使用普通的dialog来添加自定义布局
findViewById(R.id.btn_custom2).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
AlertDialog.Builder builder = new AlertDialog.Builder(MainActivity.this);
builder.setView(R.layout.dialog_custom1);
AlertDialog dialog = builder.create();
dialog.show();
}
});
<style name="MyCommonDialog" parent="android:Theme.Dialog"> <!-- 背景颜色及透明程度 --> <item name="android:windowBackground">@android:color/transparent</item> <!-- 是否半透明 --> <item name="android:windowIsTranslucent">false</item> <!-- 是否没有标题 --> <item name="android:windowNoTitle">true</item> <!-- 是否浮现在activity之上 --> <item name="android:windowIsFloating">true</item> <!-- 是否背景模糊 --> <item name="android:backgroundDimEnabled">false</item> <!-- 设置背景模糊的透明度--> <item name="android:backgroundDimAmount">0.5</item> </style>
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent"> <LinearLayout android:layout_width="100dp" android:layout_height="100dp" android:layout_centerInParent="true" android:background="#00ff00"> <TextView android:layout_width="match_parent" android:layout_height="match_parent" android:gravity="center" android:text="你好" android:textColor="#ff0000"/> </LinearLayout> </RelativeLayout>
<style name="MyDialog" parent="android:Theme.Dialog"> <!-- 背景颜色及透明程度 --> <item name="android:windowBackground">@android:color/transparent</item> <!-- 是否半透明 --> <item name="android:windowIsTranslucent">false</item> <!-- 是否没有标题 --> <item name="android:windowNoTitle">true</item> <!-- 是否浮现在activity之上 --> <item name="android:windowIsFloating">true</item> <!-- 是否背景模糊 --> <item name="android:backgroundDimEnabled">false</item> <!-- 设置背景模糊的透明度--> <item name="android:backgroundDimAmount">0.5</item> </style>
public class MyDialog extends Dialog {
//在构造方法里预加载我们的样式,这样就不用每次创建都指定样式了
public MyDialog(Context context) {
this(context, R.style.MyDialog);
}
public MyDialog(Context context, int themeResId) {
super(context, themeResId);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// 预先设置Dialog的一些属性
Window dialogWindow = getWindow();
WindowManager.LayoutParams p = dialogWindow.getAttributes();
p.x = 0;
p.y = 100;
p.gravity = Gravity.LEFT | Gravity.TOP;
dialogWindow.setAttributes(p);
}
}
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical"> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:layout_centerInParent="true" android:background="#ffffff" android:orientation="vertical" android:padding="10dp"> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="2dp" android:background="#00ff00" android:gravity="center" android:padding="10dp" android:text="你好" android:textColor="#000000"/> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="2dp" android:background="#00ff00" android:gravity="center" android:padding="10dp" android:text="你好" android:textColor="#000000"/> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="2dp" android:background="#00ff00" android:gravity="center" android:padding="10dp" android:text="你好" android:textColor="#000000"/> </LinearLayout> </RelativeLayout>
//继承Dialog来实现Dialog
findViewById(R.id.btn_custom3).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
MyDialog dialog = new MyDialog(MainActivity.this);
dialog.setContentView(R.layout.dialog_custom2);
dialog.show();
}
});
<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android"> <translate android:duration="200" android:fillAfter="true" android:fromYDelta="100%p" android:toYDelta="0%"/> </set>
<?xml version="1.0" encoding="utf-8"?> <set xmlns:android="http://schemas.android.com/apk/res/android"> <translate android:duration="200" android:fillAfter="true" android:fromYDelta="0%" android:toYDelta="100%p"/> </set>
<style name="MyAnimDialog" parent="android:Theme.Dialog"> <!-- 背景颜色及透明程度 --> <item name="android:windowBackground">@android:color/transparent</item> <!-- 是否半透明 --> <item name="android:windowIsTranslucent">false</item> <!-- 是否没有标题 --> <item name="android:windowNoTitle">true</item> <!-- 是否浮现在activity之上 --> <item name="android:windowIsFloating">true</item> <!-- 是否背景模糊 --> <item name="android:backgroundDimEnabled">true</item> <!-- 设置背景模糊的透明度--> <item name="android:backgroundDimAmount">0.5</item> <!-- 动画 --> <item name="android:windowAnimationStyle">@style/dialog_animation</item> </style> <!-- 对话框显示和退出动画 --> <style name="dialog_animation"> <item name="android:windowEnterAnimation">@anim/dialog_enter</item> <item name="android:windowExitAnimation">@anim/dialog_exit</item> </style>
public class MyBottomDialog extends Dialog {
public MyBottomDialog(Context context) {
this(context, R.style.MyAnimDialog);
}
public MyBottomDialog(Context context, int themeResId) {
super(context, themeResId);
//加载布局并给布局的控件设置点击事件
View contentView = getLayoutInflater().inflate(R.layout.dialog_custom3, null);
contentView.findViewById(R.id.tv_1).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(getContext(), "你好", Toast.LENGTH_SHORT).show();
}
});
super.setContentView(contentView);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// 预先设置Dialog的一些属性
Window dialogWindow = getWindow();
WindowManager.LayoutParams p = dialogWindow.getAttributes();
WindowManager m = getWindow().getWindowManager();
Display d = m.getDefaultDisplay();
getWindow().setAttributes(p);
p.height = (int) (d.getHeight() * 0.6);
p.width = d.getWidth();
p.gravity = Gravity.LEFT | Gravity.BOTTOM;
dialogWindow.setAttributes(p);
}
}
<?xml version="1.0" encoding="utf-8"?> <RelativeLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_width="match_parent" android:layout_height="match_parent" android:orientation="vertical"> <LinearLayout android:layout_width="match_parent" android:layout_height="match_parent" android:layout_centerInParent="true" android:background="#ffffff" android:orientation="vertical" android:padding="10dp"> <TextView android:id="@+id/tv_1" android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="2dp" android:background="#00ff00" android:gravity="center" android:padding="10dp" android:text="你好" android:textColor="#000000"/> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="2dp" android:background="#00ff00" android:gravity="center" android:padding="10dp" android:text="你好" android:textColor="#000000"/> <TextView android:layout_width="match_parent" android:layout_height="wrap_content" android:layout_margin="2dp" android:background="#00ff00" android:gravity="center" android:padding="10dp" android:text="你好" android:textColor="#000000"/> </LinearLayout> </RelativeLayout>
//继承Dialog来实现底部弹出Dialog
findViewById(R.id.btn_custom5).setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
MyBottomDialog dialog = new MyBottomDialog(MainActivity.this);
dialog.show();
}
});
public class MyMenuDialog extends Dialog {
public MyMenuDialog(Context context) {
this(context, R.style.MyDialog);
}
public MyMenuDialog(Context context, int themeResId) {
super(context, themeResId);
}
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
// 预先设置Dialog的一些属性
Window dialogWindow = getWindow();
WindowManager.LayoutParams p = dialogWindow.getAttributes(); // 获取对话框当前的参数值
//获取屏幕的高度和宽带
WindowManager m = getWindow().getWindowManager();
Display d = m.getDefaultDisplay();
DisplayMetrics outMetrics = new DisplayMetrics();
d.getMetrics(outMetrics);
//设置WindowManager.LayoutParams
// p.height = (int) (outMetrics.heightPixels * 0.6);
// p.width = (int) (outMetrics.widthPixels * 0.4);
//根据s随意来的高度来设置x轴偏移量
p.x = (int) (15 * outMetrics.density);
//根据Title的高度来设置y轴偏移量
p.y = (int) (45 * outMetrics.density);
p.gravity = Gravity.RIGHT | Gravity.TOP;
dialogWindow.setAttributes(p);
}
}
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