让一个Activity只有一个自定义Toast
package com.wxlh.ptas.ui;import android.content.Context;import android.view.Gravity;import android.widget.LinearLayout;import android.widget.TextView;import android.widget.Toast;import com.wxlh.ptas.R;public class TextToast {private Context context;private Toast toast;public TextToast(Context context) {this.context = context;toast = new Toast(context);}private Toast getToast() {if (null == toast) {toast = new Toast(context);}return toast;}public void show(Context context, String msg) {Toast toast = getToast();TextView textOverlay = new TextView(context);LinearLayout mLinearLayout = new LinearLayout(context);mLinearLayout.setBackgroundResource(R.drawable.bg_hitchar);textOverlay.setText(msg);textOverlay.setTextColor(R.color.white);textOverlay.setTextSize(70);textOverlay.setWidth(100);textOverlay.setMinWidth(100);textOverlay.setPadding(10, 10, 10, 10);textOverlay.setGravity(Gravity.CENTER | Gravity.CENTER_VERTICAL);mLinearLayout.addView(textOverlay);toast.setView(mLinearLayout);toast.setDuration(Toast.LENGTH_SHORT);toast.setGravity(Gravity.CENTER_VERTICAL, 0, 0);toast.show();}} 调用:
1. private TextToast textToast;2.textToast = new TextToast(this);3.textToast.show(DailContact.this, element.substring(0, 1));
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