Toast新方案，支持点击事件，支持Spannable设置

最新推荐文章于 2024-08-18 03:02:20 发布

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最新推荐文章于 2024-08-18 03:02:20 发布

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文章标签：移动开发 python

原文链接：https://my.oschina.net/PJGc8YMb/blog/1505857

本文介绍了一种自定义Toast的方法，通过继承Toast并重写部分方法，实现了一个可以在屏幕中心显示透明背景消息提示框的功能。

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import android.app.Activity;
import android.graphics.PixelFormat;
import android.view.Gravity;
import android.view.View;
import android.view.WindowManager;
import android.widget.TextView;
import android.widget.Toast;

/**
 * Created by leegu
 */

public class CompletedToast extends Toast{

    View mRootView = null;
    TextView mText = null;
    WindowManager.LayoutParams mLayoutParams = null;
    WindowManager mWindowManager = null;
    public CompletedToast(Activity context){
        super(context);
        final WindowManager windowManager = context.getWindowManager();
        mWindowManager = windowManager;
        final TextView textView = new TextView(context);
        mRootView = mText = textView;
        textView.setPadding(20,20,20,20);
        WindowManager.LayoutParams layoutParams = new WindowManager.LayoutParams(
                WindowManager.LayoutParams.WRAP_CONTENT,
                WindowManager.LayoutParams.WRAP_CONTENT,
                0, 0,
                PixelFormat.TRANSPARENT
        );
        mLayoutParams = layoutParams;
        layoutParams.type = WindowManager.LayoutParams.TYPE_TOAST;
        layoutParams.gravity = Gravity.CENTER;
    }

    @Override
    public void show() {
        mWindowManager.addView(mRootView,mLayoutParams);
        mRootView.postDelayed(new Runnable() {
            @Override
            public void run() {
                mWindowManager.removeViewImmediate(mRootView);
            }
        },getDuration());
    }


    @Override
    public void setText(CharSequence cs) {
        mText.setText(cs);
        super.setText(cs);
    }

    public void setView(View rootView,TextView textView) {
        mRootView = rootView;
        mText = textView;
    }

    @Override
    public void setDuration(int duration) {
        if(duration == LENGTH_LONG){
            duration = 6000;
        }else if(duration == LENGTH_SHORT){
            duration = 2000;
        }
        super.setDuration(duration);
    }

    @Override
    public void setGravity(int gravity, int xOffset, int yOffset) {
        mLayoutParams.gravity = gravity;
        mLayoutParams.x = xOffset;
        mLayoutParams.y = yOffset;
        super.setGravity(gravity, xOffset, yOffset);
    }

}

转载于:https://my.oschina.net/PJGc8YMb/blog/1505857