The Toast in android
2015-07-14 14:43
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Toast can show the help/prompts to user. There have five effect of toast as bellow:
1.default effect:
code:
2.custom position effect:
code:
3.with the picture effect:
code:
4.completely custom effect:
code:
5.from other thread:
code:
All of the code as bellow:
1.main.java
source code download
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1.default effect:
code:
Toast.makeText(getApplicationContext(), "默认Toast样式", Toast.LENGTH_SHORT).show();
2.custom position effect:
code:
toast = Toast.makeText(getApplicationContext(), "自己定义位置Toast", Toast.LENGTH_LONG); toast.setGravity(Gravity.CENTER, 0, 0); toast.show();
3.with the picture effect:
code:
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.completely custom effect:
code:
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("全然自己定义Toast"); toast = new Toast(getApplicationContext()); toast.setGravity(Gravity.RIGHT | Gravity.TOP, 12, 40); toast.setDuration(Toast.LENGTH_LONG); toast.setView(layout); toast.show();
5.from other thread:
code:
new Thread(new Runnable() { public void run() { showToast(); } }).start();
All of the code as bellow:
1.main.java
package com.wjq.toast;2.main.xml
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(), "我来自其它线程!",
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(), "自己定义位置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("全然自己定义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;
}
}
}
<?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="自己定义显示位置" 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="全然自己定义" android:id="@+id/btnCustomToast"></Button> <Button android:layout_height="wrap_content" android:layout_width="fill_parent" android:text="其它线程" 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>
source code download
if you also interest in linux and android embed system,please connection with us in QQ grounp:139761394
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