Android：自定义简洁dialog

public class ZhlDialog extends Dialog {

public static final int NORMAL_TYPE = 0;
private Button cancle,confirm;
private TextView title,content;

public void setCancleListener(View.OnClickListener cancle_listener){
cancle.setOnClickListener(cancle_listener);
}

public void setConfirmListener(View.OnClickListener confirm_listener){
confirm.setOnClickListener(confirm_listener);
}

public void setCancleText(String text){
cancle.setText(text);
}

public void setConfirmText(String text){
confirm.setText(text);
}

public void setTitle(String text){
title.setText(text);
}

public void setContent(String text){
content.setText(text);
}

public ZhlDialog(Context context) {
this(context, NORMAL_TYPE);
}

public ZhlDialog(Context context, int themeResId) {
super(context, R.style.alert_dialog);
setContentView(R.layout.dialog_testone);
/* 设置屏幕宽度。此处设置占满屏幕 */
WindowManager windowManager = this.getWindow().getWindowManager();
Display display = windowManager.getDefaultDisplay();
WindowManager.LayoutParams lp = this.getWindow().getAttributes();
lp.width = (int)(display.getWidth()*4/5); //设置宽度
this.getWindow().setAttributes(lp);
cancle = (Button) findViewById(R.id.btn_cancle);
confirm = (Button) findViewById(R.id.btn_confirm);
title = (TextView) findViewById(R.id.txt_title);
content = (TextView) findViewById(R.id.txt_content);
}
}

然后是布局文件：（需要定制时可以按照UI给出的原型修改）

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

<TextView
android:id="@+id/txt_title"
android:layout_width="match_parent"
android:layout_height="50dp"
android:layout_marginTop="10dp"
android:gravity="center|left"
android:lines="1"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:textSize="20dp"
android:text="Here is the title"
android:textColor="@color/colorBlack"/>

<TextView
android:id="@+id/txt_content"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:textSize="16dp"
android:gravity="center|left"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:clickable="true"
android:text="Here is the message"
android:textColor="@color/colorBlack"/>

<LinearLayout
android:layout_width="match_parent"
android:layout_height="35dp"
android:layout_marginBottom="10dp"
android:layout_marginRight="10dp"
android:orientation="horizontal"
android:layout_gravity="right">

<TextView
android:layout_width="0dp"
android:layout_height="match_parent"
android:layout_weight="1"/>

<Button
android:id="@+id/btn_cancle"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:background="@drawable/ripple_btn"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:gravity="center"
android:text="cancle"/>

<TextView
android:layout_width="10dp"
android:layout_height="match_parent"/>

<Button
android:id="@+id/btn_confirm"
android:layout_width="wrap_content"
android:layout_height="match_parent"
android:background="@drawable/ripple_btn"
android:paddingLeft="10dp"
android:paddingRight="10dp"
android:gravity="center"
android:text="ok"/>

</LinearLayout>

</LinearLayout>

最后就是主线程的初始化和调用：

@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
btn = (Button) findViewById(R.id.btn_main_showdialog);
btn.setOnClickListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
final ZhlDialog dialog = new ZhlDialog(MainActivity.this);
dialog.setTitle("提示");
dialog.setContent("此处为提示内容，此处为提示内容，此处为提示内容，此处为提示内容，此处为提示内容，" +
"此处为提示内容，此处为提示内容，此处为提示内容，此处为提示内容。");
dialog.setCancleText("取消");
dialog.setConfirmText("确定");
dialog.setCancleListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
dialog.dismiss();
}
});
dialog.setConfirmListener(new View.OnClickListener() {
@Override
public void onClick(View v) {
Toast.makeText(getApplicationContext(),"click ok",Toast.LENGTH_SHORT).show();
dialog.dismiss();
}
});
dialog.show();
}
});
}

对了还有一个定义dialog的样式：

直接放在Style.XML中即可。

<style name="alert_dialog" parent="android:Theme.Dialog">
<item name="android:windowIsFloating">true</item>
<item name="android:windowIsTranslucent">false</item>
<item name="android:windowNoTitle">true</item>
<item name="android:windowFullscreen">false<
b07d
/item>
<item name="android:windowBackground">@drawable/dialogbg</item>
<item name="android:windowAnimationStyle">@null</item>
<item name="android:backgroundDimEnabled">true</item>
<item name="android:backgroundDimAmount">0.4</item>
</style>

还要提到的一点是此处的按钮都采用了Android5.0的新特性：点击后有波浪形的背景色变换，ripple

效果很酷。