【转】Toast大全（五种情形）建立属于你自己的Toast
转自：http://www.cnblogs.com/salam/archive/2011/06/28/1873654.html
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Toast用于向用户显示一些帮助/提示。下面我做了5中效果，来说明Toast的强大，定义一个属于你自己的Toast。
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1.默认效果
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Toast.makeText(getApplicationContext(), "默认Toast样式",Toast.LENGTH_SHORT).show();
2.自定义显示位置效果
toast = Toast.makeText(getApplicationContext(),"自定义位置Toast",Toast.LENGTH_LONG);toast.setGravity(Gravity.CENTER, 0, 0);toast.show();
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3.带图片效果
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.icon);toastView.addView(imageCodeProject, 0);toast.show();
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4.完全自定义效果
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.icon);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();5.其他线程
new Thread(new Runnable() { public void run() { showToast(); }}).start();完整代码
①Main.java
package com.wjq.toast;import android.app.Activity;import android.os.Bundle;import android.os.Handler;import android.view.Gravity;import android.view.LayoutInflater;import android.view.View;import android.view.ViewGroup;import android.view.View.OnClickListener;import android.widget.ImageView;import android.widget.LinearLayout;import android.widget.TextView;import android.widget.Toast;public class Main 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.icon); 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.icon); 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; } }}②main.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:orientation="vertical" android:layout_width="fill_parent" android:layout_height="fill_parent" android:padding="5dip" android:gravity="center"> <Button android:layout_height="wrap_content" android:layout_width="fill_parent" android:id="@+id/btnSimpleToast" android:text="默认" /> <Button android:layout_height="wrap_content" android:layout_width="fill_parent" android:text="自定义显示位置" android:id="@+id/btnSimpleToastWithCustomPosition" /> <Button android:layout_height="wrap_content" android:layout_width="fill_parent" android:id="@+id/btnSimpleToastWithImage" android:text="带图片" /> <Button android:layout_height="wrap_content" android:layout_width="fill_parent" android:text="完全自定义" android:id="@+id/btnCustomToast" /> <Button android:layout_height="wrap_content" android:layout_width="fill_parent" android:text="其他线程" android:id="@+id/btnRunToastFromOtherThread" /></LinearLayout>
③custom.xml
<?xml version="1.0" encoding="utf-8"?><LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" android:layout_height="wrap_content" android:layout_width="wrap_content" android:background="#ffffffff" android:orientation="vertical" android:id="@+id/llToast" > <TextView android:layout_height="wrap_content" android:layout_margin="1dip" android:textColor="#ffffffff" android:layout_width="fill_parent" android:gravity="center" android:background="#bb000000" android:id="@+id/tvTitleToast" /> <LinearLayout android:layout_height="wrap_content" android:orientation="vertical" android:id="@+id/llToastContent" android:layout_marginLeft="1dip" android:layout_marginRight="1dip" android:layout_marginBottom="1dip" android:layout_width="wrap_content" android:padding="15dip" android:background="#44000000" > <ImageView android:layout_height="wrap_content" android:layout_gravity="center" android:layout_width="wrap_content" android:id="@+id/tvImageToast" /> <TextView android:layout_height="wrap_content" android:paddingRight="10dip" android:paddingLeft="10dip" android:layout_width="wrap_content" android:gravity="center" android:textColor="#ff000000" android:id="@+id/tvTextToast" /> </LinearLayout></LinearLayout>
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