用Toast显示自定义的view

用Toast显示自定义的view

1.布局文件toast_view.xml

具体的代码如下：

xmlns:tools="/tools"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:paddingBottom="@dimen/activity_vertical_margin"

android:paddingLeft="@dimen/activity_horizontal_margin"

android:paddingRight="@dimen/activity_horizontal_margin"

android:paddingTop="@dimen/activity_vertical_margin"

tools:context="com.shunchang.yingyong.test.cgq.MainActivity"

android:background="#fff000">

android:id="@+id/title_tv"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="@string/hello_world"

android:layout_alignParentLeft="true"/>

android:id="@+id/scrollView1"

android:layout_width="match_parent"

android:layout_height="wrap_content"

android:layout_below="@+id/title_tv" >

android:id="@+id/all_ll"

android:layout_width="match_parent"

android:layout_height="match_parent"

android:orientation="vertical">

android:id="@+id/name_tv"

android:layout_width="wrap_content"

android:layout_height="wrap_content"

android:text="@string/hello_world"/>

2.设置显示自定义view的代码：

publicclass ToastUntils {

publicstaticvoid showToast(Context mContext,String value){ View view=

LayoutInflater.from(mContext).inflate(yout.toast_view, null);

TextView tvTextView=(TextView)view.findViewById(_tv);

tvTextView.setText(value);

Toast toast=new Toast(mContext);

toast.setView(view);

toast.setGravity(Gravity.CENTER, 0, 0);

toast.show();

}

}

3.调用过程：

ToastUntils.showToast(MainActivity.this,”要显示的内容”);

4.Toast 源码解析：

Toast 的构造防范如下

public Toast(Context context) {

mContext = context;

mTN = new TN();

mTN.mY = context.getResources().getDimensionPixelSize(

com.android.internal.R.dimen.toast_y_offset);

mTN.mGravity = context.getResources().getInteger(

com.android.internal.R.integer.config_toastDefaultGravity);

}

Toast设置自定义view

/**

* Set the view to show.

* @see #getView

*/

publicvoid setView(View view) {

mNextView = view;

}

显示的位置

/**

* Set the location at which the notification should appear on the screen.

* @see android.view.Gravity

* @see #getGravity

*/

publicvoid setGravity(int gravity, int xOffset, int yOffset) {

mTN.mGravity = gravity;

mTN.mX = xOffset;

mTN.mY = yOffset;

}

常见的toast调用的方法：

/**

* Make a standard toast that just contains a text view.

*

* @param context The context to use. Usually your{@link

android.app.Application}

* or{@link android.app.Activity} object.

* @param text The text to show. Can be formatted text.

* @param duration How long to display the message. Either {@link #LENGTH_SHORT} or

* {@link #LENGTH_LONG}

*

*/

publicstatic Toast makeText(Context context, CharSequence text,

@Duration int duration) {

Toast result = new Toast(context);

LayoutInflater inflate = (LayoutInflater)

context.getSystemService(YOUT_INFLATER_SERVICE);

View v =

inflate.inflate(yout.transient_notification, null);

TextView tv =

(TextView)v.findViewById(com.android.internal.R.id.message);

tv.setText(text);

result.mNextView = v;

result.mDuration = duration;

return result;

}