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Android Toast的用法总结(五种用法)

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Android Toast的用法总结(五种用法)

Toast大家都很熟,不多说。直接上图上代码。

 

       

具体代码如下:

main.xml:




  

  

  

  

  



custom.xml:




  

  

    

    
  



package com.example.test;

import android.app.Activity;
import android.app.ActionBar;
import android.app.Fragment;
import android.content.Intent;
import android.os.Bundle;
import android.os.Handler;
import android.view.Gravity;
import android.view.LayoutInflater;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.view.ViewGroup;
import android.widget.Button;
import android.widget.EditText;
import android.widget.ImageView;
import android.widget.LinearLayout;
import android.widget.TextView;
import android.widget.Toast;
import android.os.Build;

public class MainActivity extends Activity implements onClickListener {
  Handler handler = new Handler();

  @Override
  public void onCreate(Bundle savedInstanceState) {
    super.onCreate(savedInstanceState);
    setContentView(R.layout.main);

    findViewById(R.id.btnSimpleToast).setonClickListener(this);
    findViewById(R.id.btnSimpleToastWithCustomPosition).setonClickListener(
 this);
    findViewById(R.id.btnSimpleToastWithImage).setonClickListener(this);
    findViewById(R.id.btnCustomToast).setonClickListener(this);
    findViewById(R.id.btnRunToastFromOtherThread).setonClickListener(this);

  }

  public void showToast() {
    handler.post(new Runnable() {

      @Override
      public void run() {
 Toast.makeText(getApplicationContext(), "我来自其他线程!",
     Toast.LENGTH_SHORT).show();

      }
    });
  }

  @Override
  public void onClick(View v) {
    Toast toast = null;
    switch (v.getId()) {
    case R.id.btnSimpleToast:
      Toast.makeText(getApplicationContext(), "默认Toast样式",
   Toast.LENGTH_SHORT).show();
      break;
    case R.id.btnSimpleToastWithCustomPosition:
      toast = Toast.makeText(getApplicationContext(), "自定义位置Toast",
   Toast.LENGTH_LONG);
      toast.setGravity(Gravity.CENTER, 0, 0);
      toast.show();
      break;
    case R.id.btnSimpleToastWithImage:
      toast = Toast.makeText(getApplicationContext(), "带图片的Toast",
   Toast.LENGTH_LONG);
      toast.setGravity(Gravity.CENTER, 0, 0);
      LinearLayout toastView = (LinearLayout) toast.getView();
      ImageView imageCodeProject = new ImageView(getApplicationContext());
      imageCodeProject.setImageResource(R.drawable.ic_launcher);
      toastView.addView(imageCodeProject, 0);
      toast.show();
      break;
    case R.id.btnCustomToast:
      LayoutInflater inflater = getLayoutInflater();
      View layout = inflater.inflate(R.layout.custom,
   (ViewGroup) findViewById(R.id.llToast));
      ImageView image = (ImageView) layout
   .findViewById(R.id.tvImageToast);
      image.setImageResource(R.drawable.ic_launcher);
      TextView title = (TextView) layout.findViewById(R.id.tvTitleToast);
      title.setText("Attention");
      TextView text = (TextView) layout.findViewById(R.id.tvTextToast);
      text.setText("完全自定义Toast");
      toast = new Toast(getApplicationContext());
      toast.setGravity(Gravity.RIGHT | Gravity.TOP, 12, 40);
      toast.setDuration(Toast.LENGTH_LONG);
      toast.setView(layout);
      toast.show();
      break;
    case R.id.btnRunToastFromOtherThread:
      new Thread(new Runnable() {
 public void run() {
   showToast();
 }
      }).start();
      break;

    }

  }

}

运行即可。

以上就是本文的全部内容,希望对大家的学习有所帮助,也希望大家多多支持考高分网。

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