自定义Toast和RatingBar的简单用例

2022-11-17 17:34:48

Toast是一个包含用户点击消息。Toast类会帮助你创建和显示这些。Android中的Toast是一种简易的消息提示框。当视图显示给用户，在应用程序中显示为浮动

向右划动五角星增加

单击按钮显示自定义Toast

BaseActivity

package com.shaoxin.myratingbar;

import android.os.Bundle;

import android.support.annotation.Nullable;

import android.support.v7.app.AppCompatActivity;

/**

 * Created by shaoxin on 2016/12/4.

 */

public abstract class BaseActivity extends AppCompatActivity {

    public abstract void init();

    public abstract void listener();

    @Override

    protected void onCreate(@Nullable Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

        init();

        listener();

    }

}

MainActivity

package com.shaoxin.myratingbar;

import android.os.Bundle;

import android.util.Log;

import android.view.View;

import android.widget.Button;

import android.widget.RatingBar;

import android.widget.TextView;

import android.widget.Toast;

public class MainActivity extends BaseActivity {

    private RatingBar ratingbar;

    private Button btn;

    @Override

    public void init() {

        setContentView(R.layout.activity_main);

        ratingbar = (RatingBar) findViewById(R.id.ratingbar);

        btn = (Button) findViewById(R.id.btn);

    }

    @Override

    public void listener() {

        ratingbar.setOnRatingBarChangeListener(new RatingBar.OnRatingBarChangeListener() {

            @Override

            public void onRatingChanged(RatingBar ratingBar, float rating, boolean fromUser) {

                Log.v("msg", String.valueOf(rating));

            }

        });

        btn.setOnClickListener(new View.OnClickListener() {

            @Override

            public void onClick(View v) {

                Toast toast = new Toast(MainActivity.this);

                View tost_view = View.inflate(MainActivity.this, R.layout.toast_view, null);

                TextView textView = (TextView) tost_view.findViewById(R.id.txt);

                textView.setText(btn.getText().toString());

                toast.setView(tost_view);

                toast.show();

            }

        });

    }

    @Override

    protected void onCreate(Bundle savedInstanceState) {

        super.onCreate(savedInstanceState);

    }

}

activity_main.xml

<?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:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    tools:context="com.shaoxin.myratingbar.MainActivity">

    <RatingBar

        android:id="@+id/ratingbar"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:numStars="5"

        android:stepSize="0.1"

        android:isIndicator="false"

        android:progressDrawable="@drawable/ratingbar_style" />

    <Button

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:id="@+id/btn"

        android:text="Toast 自定义"/>

</LinearLayout>

toast_view.xml

<?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:layout_width="match_parent"

    android:layout_height="match_parent"

    android:orientation="vertical"

    tools:context="com.shaoxin.myratingbar.MainActivity">

    <RatingBar

        android:id="@+id/ratingbar"

        android:layout_width="wrap_content"

        android:layout_height="wrap_content"

        android:numStars="5"

        android:stepSize="0.1"

        android:isIndicator="false"

        android:progressDrawable="@drawable/ratingbar_style" />

    <Button

        android:layout_width="match_parent"

        android:layout_height="wrap_content"

        android:id="@+id/btn"

        android:text="Toast 自定义"/>

</LinearLayout>

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