自定义Toast和RatingBar的简单用例

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>