点击button弹出对话框

常规的对话框如下：

常规的对话框.jpg

cancelButtonText可以设置为null，不显示

public class MainActivity extends AppCompatActivity {

    @Override
    protected void onCreate(Bundle savedInstanceState) {
        super.onCreate(savedInstanceState);
        setContentView(R.layout.activity_main);

        Button button = (Button) findViewById(R.id.button);
        button.setOnClickListener(new View.OnClickListener() {
            @Override
            public void onClick(View v) {
                BaseDialog dialog = new BaseDialog(MainActivity.this,
                        "发现新版本，马上更新？", -1, "取消",
                        new DialogInterface.OnClickListener() {
                            @Override
                            public void onClick(DialogInterface dialog, int which) {
                                //取消
                                Log.v("666", "777");
                            }
                        }, "确定", new DialogInterface.OnClickListener() {
                    @Override
                    public void onClick(DialogInterface dialog, int which) {
                        //确定
                        Log.v("666", "888");
                    }
                });
                //设置强制更新
                dialog.setCanceledOnTouchOutside(false);
                dialog.setCancelable(false);
                //显示对话框
                dialog.show();
            }
        });

    }
}

/**
 * 基本的对话框样式
 */
public class BaseDialog extends Dialog implements View.OnClickListener {
    private Context context;
    private View contentView;
    private OnClickListener cancelButtonClickListener, confirmButtonClickListener;
    private boolean isAutoDismiss = true;
    private boolean canceledOnTouchOutside = true;

    public BaseDialog(Context context, String title, int contentLayout,
                      String cancelButtonText, OnClickListener cancelButtonClickListener,
                      String confirmButtonText, OnClickListener confirmButtonClickListener) {
        this(context, R.style.BaseDialogStyle, title, contentLayout,
                cancelButtonText, cancelButtonClickListener,
                confirmButtonText, confirmButtonClickListener);
    }

    public BaseDialog(Context context, int theme, String title, int contentLayoutId,
                      String cancelButtonText, OnClickListener cancelButtonClickListener,
                      String confirmButtonText, OnClickListener confirmButtonClickListener) {
        super(context, theme);
        this.context = context;
        this.cancelButtonClickListener = cancelButtonClickListener;
        this.confirmButtonClickListener = confirmButtonClickListener;

        //root view
        View rootView = LayoutInflater.from(context).inflate(R.layout.base_dialog, null);
        TextView titleTextView = (TextView) rootView.findViewById(R.id.base_dialog_title);
        if (titleTextView != null) {
            titleTextView.setText(title);
        }

        //title
        View titleLayout = rootView.findViewById(R.id.base_dialog_title_layout);
        if (titleLayout != null && TextUtils.isEmpty(title)) {
            titleLayout.setVisibility(View.GONE);
        }

        //body
        ViewGroup bodyLayout = (ViewGroup) rootView.findViewById(R.id.base_dialog_content_layout);
        if (contentLayoutId > 0) {
            bodyLayout.setVisibility(View.VISIBLE);
            View contentLayout = LayoutInflater.from(context).inflate(contentLayoutId, null);
            bodyLayout.addView(contentLayout);
            FrameLayout.LayoutParams params = (FrameLayout.LayoutParams) contentLayout.getLayoutParams();
            params.width = FrameLayout.LayoutParams.MATCH_PARENT;
            params.height = FrameLayout.LayoutParams.WRAP_CONTENT;
            contentLayout.setLayoutParams(params);
        }else {
            bodyLayout.setVisibility(View.GONE);
        }

        //separator
        View separatorView = rootView.findViewById(R.id.base_dialog_button_separator);
        Button cancelButton = (Button) rootView.findViewById(R.id.base_dialog_cancel_button);
        if (cancelButton != null) {
            cancelButton.setText(cancelButtonText);
            cancelButton.setOnClickListener(this);
            if (TextUtils.isEmpty(cancelButtonText)) {
                cancelButton.setVisibility(View.GONE);
                separatorView.setVisibility(View.GONE);
            }
        }
        Button confirmButton = (Button) rootView.findViewById(R.id.base_dialog_confirm_button);
        if (confirmButton != null) {
            confirmButton.setText(confirmButtonText);
            confirmButton.setOnClickListener(this);
            if (TextUtils.isEmpty(confirmButtonText)) {
                confirmButton.setVisibility(View.GONE);
                separatorView.setVisibility(View.GONE);
            }
        }
        // set content view
        setContentView(rootView);
        this.setCanceledOnTouchOutside(this.canceledOnTouchOutside);
        this.contentView = rootView;
    }

    /**
     * 调整dialog的尺寸
     * @param resize
     */
    protected void resizeDialog(float resize) {
        if (resize <= 0) {
            return;
        }
        Window window = this.getWindow();
        window.setGravity(Gravity.CENTER);
        this.show();
        WindowManager windowManager = ((Activity) this.context).getWindowManager();
        Display display = windowManager.getDefaultDisplay();
        WindowManager.LayoutParams lp = window.getAttributes();
        lp.width = (int) (display.getWidth() * resize);
        window.setAttributes(lp);
    }

    public Context getDialogContext() {
        return this.context;
    }

    public void setIsAutoDismiss(boolean value) {
        isAutoDismiss = value;
    }

    public View getContentView() {
        return this.contentView;
    }

    public void setCancelButtonClickListener(OnClickListener cancelButtonClickListener) {
        this.cancelButtonClickListener = cancelButtonClickListener;
    }

    public boolean isCanceledOnTouchOutside() {
        return canceledOnTouchOutside;
    }

    @Override
    public void onClick(View v) {
        if (v.getId() == R.id.base_dialog_cancel_button) {
            dismiss();
            if (this.cancelButtonClickListener != null) {
                this.cancelButtonClickListener.onClick(BaseDialog.this, v.getId());
            }
        } else if (v.getId() == R.id.base_dialog_confirm_button) {
            if (isAutoDismiss) {
                dismiss();
            }
            if (this.confirmButtonClickListener != null) {
                this.confirmButtonClickListener.onClick(BaseDialog.this, v.getId());
            }
        }
    }

}

selector_common_dialog_cancel_button_click.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:drawable="@drawable/shape_basic_dialog_cancel_pressed" android:state_pressed="true" />
    <item android:drawable="@drawable/shape_basic_dialog_cancel_pressed" android:state_selected="true" />
    <item android:drawable="@drawable/shape_basic_dialog_cancel_normal" />
    <!-- the selector for cancel button of base dialog-->
</selector>

selector_common_dialog_confirm_button_click.xml

<?xml version="1.0" encoding="utf-8"?>
<selector xmlns:android="http://schemas.android.com/apk/res/android">
    <item android:drawable="@drawable/shape_basic_dialog_confirm_pressed" android:state_pressed="true" />
    <item android:drawable="@drawable/shape_basic_dialog_confirm_pressed" android:state_selected="true" />
    <item android:drawable="@drawable/shape_basic_dialog_confirm_normal" />
    <!-- the selector for cancel button of base dialog-->
</selector>

shape_basic_dialog.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
    <solid android:color="@android:color/white"/>
    <stroke android:color="@android:color/darker_gray" android:width="1dp" />
    <corners android:radius="5dp" />
    <!-- the shape for base dialog-->
</shape>

shape_basic_dialog_cancel_normal.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
    <solid android:color="#dddddd"/>
    <corners android:bottomLeftRadius="5dp" />
    <!-- the normal shape for cancel button of base dialog-->
</shape>

shape_basic_dialog_cancel_pressed.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
    <solid android:color="#ff0000"/>
    <corners android:bottomLeftRadius="5dp" />
    <!-- the pressed shape for cancel button of base dialog-->
</shape>

shape_basic_dialog_confirm_normal.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
    <solid android:color="#ff0000"/>
    <corners android:bottomLeftRadius="5dp" />
    <!-- the pressed shape for cancel button of base dialog-->
</shape>

shape_basic_dialog_confirm_pressed.xml

<?xml version="1.0" encoding="utf-8"?>
<shape xmlns:android="http://schemas.android.com/apk/res/android" android:shape="rectangle">
    <solid android:color="#ff0000"/>
    <corners android:bottomLeftRadius="5dp" />
    <!-- the pressed shape for cancel button of base dialog-->
</shape>

activity_main.xml

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout
    xmlns:android="http://schemas.android.com/apk/res/android"
    xmlns:app="http://schemas.android.com/apk/res-auto"
    xmlns:tools="http://schemas.android.com/tools"
    android:orientation="vertical"
    android:layout_width="match_parent"
    android:layout_height="match_parent"
    tools:context=".MainActivity">

    <Button
        android:id="@+id/button"
        android:layout_width="wrap_content"
        android:layout_height="wrap_content"
        android:text="Hello World!"/>

</LinearLayout>

<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
    android:id="@+id/base_dialog_layout"
    android:layout_width="match_parent"
    android:layout_height="wrap_content"
    android:background="@drawable/shape_basic_dialog"
    android:paddingLeft="1dp"
    android:paddingRight="1dp"
    android:orientation="vertical">

    <LinearLayout
        android:id="@+id/base_dialog_title_layout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:orientation="vertical">

        <TextView
            android:id="@+id/base_dialog_title"
            android:textColor="#333333"
            android:layout_width="match_parent"
            android:layout_height="wrap_content"
            android:minHeight="100dp"
            android:ellipsize="end"
            android:gravity="center"
            android:maxLines="2"
            android:textSize="15sp"
            android:padding="10dp"
            android:text="标题" />

        <View style="@style/CommonHorizontalDividerLineStyle" />
    </LinearLayout>

    <FrameLayout
        android:id="@+id/base_dialog_content_layout"
        android:layout_width="match_parent"
        android:layout_height="wrap_content"
        android:layout_marginBottom="10dp"
        android:layout_marginTop="10dp">

        <View style="@style/CommonHorizontalDividerLineStyle" />
    </FrameLayout>

    <LinearLayout
        android:layout_width="match_parent"
        android:layout_height="40dp"
        android:orientation="horizontal">

        <Button
            android:id="@+id/base_dialog_cancel_button"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:background="@drawable/selector_common_dialog_cancel_button_click"
            android:gravity="center"
            android:text="取消"
            android:textColor="#bbbbbb"
            android:textSize="15sp" />

        <View
            android:id="@+id/base_dialog_button_separator"
            style="@style/CommonVerticalDividerLineStyle"
            android:background="#eeeeee"
            android:layout_height="match_parent" />

        <Button
            android:id="@+id/base_dialog_confirm_button"
            android:layout_width="0dp"
            android:layout_height="match_parent"
            android:layout_weight="1"
            android:background="@drawable/selector_common_dialog_confirm_button_click"
            android:gravity="center"
            android:text="确定"
            android:textColor="#df0001"
            android:textSize="15sp" />
    </LinearLayout>

</LinearLayout>

styles.xml

<!-- 基本对话框的样式 -->
    <style name="BaseDialogStyle">
        <!-- 背景使用 -->
        <item name="android:backgroundDimEnabled">true</item>
        <!-- 模糊，背景的灰度 -->
        <item name="android:backgroundDimAmount">0.5</item>
        <!-- 背景透明 -->
        <item name="android:windowBackground">@android:color/transparent</item>
        <!-- 背景半透明 -->
        <item name="android:windowIsTranslucent">true</item>
        <!-- 边框 -->
        <item name="android:windowFrame">@null</item>
        <!-- 是否浮现在activity之上 -->
        <item name="android:windowIsFloating">true</item>
        <!-- 是否有标题 -->
        <item name="android:windowNoTitle">true</item>
    </style>

    <!-- 通用水平横线样式 -->
    <style name="CommonHorizontalDividerLineStyle">
        <item name="android:layout_width">match_parent</item>
        <item name="android:layout_height">0.5dp</item>
        <item name="android:background">#eeeeee</item>
    </style>

    <!-- 通用垂直竖线样式-->
    <style name="CommonVerticalDividerLineStyle">
        <item name="android:layout_width">1dp</item>
        <item name="android:layout_height">match_parent</item>
        <item name="android:background">#cccccc</item>
    </style>