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android开发中动态设置ImageView的宽度高度大小以及位置坐标
来源:互联网   发布日期:2015-10-03 11:21:34   浏览:16408次  

导读:package com pic; import android app Activity; import android os Bundle; import android util Log; import android view ViewGroup LayoutParams; import android widget ImageView; public cl ...

package com.pic;

import android.app.Activity;

import android.os.Bundle;

import android.util.Log;

import android.view.ViewGroup.LayoutParams;

import android.widget.ImageView;

public class PicTest extends Activity {

private final String TAG = "Pictrue Test!!!";

private ImageView image;

private int height = 0;

private int width = 0;

/** Called when the activity is first created. */

@Override

public void onCreate(Bundle savedInstanceState) {

super.onCreate(savedInstanceState);

setContentView(R.layout.main);

image = (ImageView)findViewById(R.id.ImageView01);

//height = image.getHeight();

//width = image.getWidth();

//Log.d(TAG, "height: " + height);

//Log.d(TAG, "width: " + width);

LayoutParams para;

para = image.getLayoutParams();

Log.d(TAG, "layout height0: " + para.height);

Log.d(TAG, "layout width0: " + para.width);

para.height = 300;

para.width = 300;

image.setLayoutParams(para);

Log.d(TAG, "layout height: " + para.height);

Log.d(TAG, "layout width: " + para.width);

}

}

另外一种方法是

RelativeLayout.LayoutParams param = new RelativeLayout.LayoutParams(dm.widthPixels, dm.heightPixels/2-30);

top_image.setLayoutParams(param);

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