Toast的自定义用法
来源:互联网 发布:西安消毒供应软件 编辑:程序博客网 时间:2024/06/11 21:54
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。
1.默认效果
代码
Toast.makeText(getApplicationContext(), "默认Toast样式",
Toast.LENGTH_SHORT).show();
2.自定义显示位置效果
代码
toast = Toast.makeText(getApplicationContext(),
"自定义位置Toast", Toast.LENGTH_LONG);
toast.setGravity(Gravity.CENTER, 0, 0);
toast.show();
3.带图片效果
代码
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();
4.完全自定义效果
代码
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
代码
new Thread(new Runnable() {
public void run() {
showToast();
}
}).start();
完整代码
1.Main,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;
- }
- }
- }
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; } }}
2.main,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>
- <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>
- <Button android:layout_height="wrap_content"
- android:layout_width="fill_parent"android:id="@+id/btnSimpleToastWithImage"
- android:text="带图片"></Button>
- <Button android:layout_height="wrap_content"
- android:layout_width="fill_parent"android:text="完全自定义"
- android:id="@+id/btnCustomToast"></Button>
- <Button android:layout_height="wrap_content"
- android:layout_width="fill_parent"android:text="其他线程"
- android:id="@+id/btnRunToastFromOtherThread"></Button>
- </LinearLayout>
<?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> <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> <Button android:layout_height="wrap_content" android:layout_width="fill_parent" android:id="@+id/btnSimpleToastWithImage" android:text="带图片"></Button> <Button android:layout_height="wrap_content" android:layout_width="fill_parent" android:text="完全自定义" android:id="@+id/btnCustomToast"></Button> <Button android:layout_height="wrap_content" android:layout_width="fill_parent" android:text="其他线程" android:id="@+id/btnRunToastFromOtherThread"></Button></LinearLayout>
3.custom.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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