Customview像Toast [英] Customview like Toast
本文介绍了Customview像Toast的处理方法，对大家解决问题具有一定的参考价值，需要的朋友们下面随着小编来一起学习吧！
问题描述
我有一个customview.我想在android中像烤面包一样显示customview.
I have a customview. I want to show the customview like a toast in android.
Toast.makeText(getApplicationContext(),"text",Toast.LENGTH_LONG).show()
也就是说，我希望通过更改基本属性(例如文本)，将自定义视图显示在应用程序中的任何位置(在应用程序中全局).
That is, i want my custom view to showup anywhere in the app(globally within the app) by changing basic attributes like text.
请指出正确的方向.
请注意:我不想使用addView()和removeView()添加和删除自定义视图.在我的情况下，自定义Toast也不起作用，因为我需要使用此customview.
Please note: I dont want to use addView() and removeView() to add and remove custom view. Customizing Toast will also not work in my case because i need to use this customview.
推荐答案
扩展Toast类非常简单
比方说，我的自定义吐司的口号是NexoolCustomToast，它扩展了Toast类.下面是自定义Toast类的代码.
Let say My Custom Toast calss is NexoolCustomToast which extends Toast class. Below is the code of custom Toast Class.
import android.app.Activity;
import android.app.Application;
import android.content.Context;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.View;
import android.widget.TextView;
import android.widget.Toast;
/**
* Created by Abhishek on 24-03-2017.
*/
/**
* By Default shows Error i.e. Fail toast
* */
public class NexoolCustomToast extends Toast {
private Context mContext;
private View mView;
private LayoutInflater mLayoutInflater;
private TextView mTitleTextView, mMessageTextView;
/**
* Construct an empty Toast object. You must call {@link #setView} before you
* can call {@link #show}.
*
* @param context The context to use. Usually your {@link Application}
* or {@link Activity} object.
*/
public NexoolCustomToast(Context context) {
super(context);
mContext = context;
mLayoutInflater = LayoutInflater.from(context);
mView = mLayoutInflater.inflate(R.layout.nexool_fail_custom_toast, null);
initialiseView(mView);
setView(mView);
setGravity(Gravity.TOP | Gravity.END, 0, 0);
}
public NexoolCustomToast(Context context, boolean state) {
super(context);
mContext = context;
mLayoutInflater = LayoutInflater.from(context);
if (state) {
mView = mLayoutInflater.inflate(R.layout.nexool_success_custom_toast, null);
} else {
mView = mLayoutInflater.inflate(R.layout.nexool_fail_custom_toast, null);
}
initialiseView(mView);
setView(mView);
setGravity(Gravity.TOP | Gravity.END, 0, 0);
}
private void initialiseView(View mView) {
mTitleTextView = (TextView) mView.findViewById(R.id.titleTextView);
mMessageTextView = (TextView) mView.findViewById(R.id.messageTextView);
}
public void setTitle(String title) {
if (title != null && title.length() != 0) {
mTitleTextView.setText(title);
} else {
mTitleTextView.setVisibility(View.GONE);
}
}
public void setMessage(String message) {
if (message != null && message.length() != 0) {
mMessageTextView.setText(message);
} else {
mMessageTextView.setVisibility(View.GONE);
}
}
@Override
public void show() {
super.show();
}
@Override
public void cancel() {
super.cancel();
}
public static NexoolCustomToast makeText(Context mContext, String mTitle, String mMessage) {
NexoolCustomToast mNexoolCustomToast = new NexoolCustomToast(mContext);
mNexoolCustomToast.setTitle(mTitle);
mNexoolCustomToast.setMessage(mMessage);
return mNexoolCustomToast;
}
public static NexoolCustomToast makeText(Context mContext, String mTitle, String mMessage, boolean state) {
NexoolCustomToast mNexoolCustomToast = new NexoolCustomToast(mContext, state);
mNexoolCustomToast.setTitle(mTitle);
mNexoolCustomToast.setMessage(mMessage);
return mNexoolCustomToast;
}
}
在此类中，我使用来自nexool_fail_custom_toast.xml，nexool_success_custom_toast.xml的XML布局，具有四个布局屏幕尺寸(大布局，大布局，正常布局，小布局，大布局).
In this class I am using xml layout from nexool_fail_custom_toast.xml, nexool_success_custom_toast.xml with four layout screen size(layout-large, layout-normal, layout-small, layout-xlarge).
//layout-large/nexool_fail_custom_toast.xml
<?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:background="@android:color/transparent">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:background="@android:color/white"
android:layout_alignParentEnd="true"
android:layout_marginTop="?android:attr/actionBarSize"
android:layout_marginBottom="15dp"
android:layout_marginRight="15dp"
android:elevation="5dp">
<ImageButton
android:id="@+id/cancelToastImageButton"
android:layout_width="25dp"
android:layout_height="match_parent"
android:background="@android:color/holo_red_dark"
android:scaleType="centerInside"/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="15dp">
<TextView
android:id="@+id/titleTextView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Error Title"
android:minWidth="300sp"
android:textColor="@android:color/holo_red_dark"
android:textAppearance="?android:attr/textAppearanceMedium" />
<TextView
android:id="@+id/messageTextView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Error Message"
android:minWidth="300sp"
android:paddingTop="10dp"
android:textColor="@android:color/black"
android:textAppearance="?android:attr/textAppearanceSmall"/>
</LinearLayout>
</LinearLayout>
</RelativeLayout>
//layout-large/nexool_success_custom_toast.xml
<?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:background="@android:color/transparent">
<LinearLayout
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:orientation="horizontal"
android:background="@android:color/white"
android:layout_alignParentEnd="true"
android:layout_marginTop="?android:attr/actionBarSize"
android:layout_marginBottom="15dp"
android:layout_marginRight="15dp"
android:elevation="5dp">
<ImageButton
android:id="@+id/cancelToastImageButton"
android:layout_width="25dp"
android:layout_height="match_parent"
android:background="@android:color/holo_green_light"
android:scaleType="centerInside"/>
<LinearLayout
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:orientation="vertical"
android:padding="15dp">
<TextView
android:id="@+id/titleTextView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Error Title"
android:minWidth="300sp"
android:textColor="@android:color/holo_green_light"
android:textAppearance="?android:attr/textAppearanceMedium" />
<TextView
android:id="@+id/messageTextView"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="Error Message"
android:minWidth="300sp"
android:paddingTop="10dp"
android:textColor="@android:color/black"
android:textAppearance="?android:attr/textAppearanceSmall"/>
</LinearLayout>
</LinearLayout>
</RelativeLayout>
现在通过更改文本大小或这些文件内部视图的宽度和高度，使以上两个xml文件分别用于布局小，布局普通，布局xlarge.
Now make above two xml files for layout-small, layout-normal, layout-xlarge by changing text size or width and height of views which are inside of these files.
**如何使用**
用于绿色成功布局
For green success layout
NexoolCustomToast.makeText(mContext, "Success", "Success Message", true).show();
用于红色故障布局
For red failure layout
NexoolCustomToast.makeText(mContext, "Fail", "Fail Message", false).show();
//OR
NexoolCustomToast.makeText(mContext, "Fail", "Fail Message").show();
这篇关于Customview像Toast的文章就介绍到这了，希望我们推荐的答案对大家有所帮助，也希望大家多多支持IT屋！
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