LoadingDialog.java

package com.duguang.baseanimation.ui.customview.lodingdialog;

import android.app.Dialog;
import android.content.Context;
import android.os.Handler;
import android.view.View;
import android.view.animation.Animation;
import android.view.animation.RotateAnimation;
import android.widget.ImageView;
import android.widget.TextView;

import com.duguang.baseanimation.R;

/**
 * 
 *
 */
public class LoadingDialog extends Dialog {
	private static final int CHANGE_TITLE_WHAT = 1;
	private static final int CHNAGE_TITLE_DELAYMILLIS = 300;
	private static final int MAX_SUFFIX_NUMBER = 3;
	private static final char SUFFIX = '.';
	
	private ImageView iv_route;
	private TextView tv;
	private TextView tv_point;
	private RotateAnimation mAnim;
	private boolean cancelable = true;
	
	private Handler handler = new Handler(){
		private int num = 0;
		
		public void handleMessage(android.os.Message msg) {
			if (msg.what == CHANGE_TITLE_WHAT) {
				StringBuilder builder = new StringBuilder();
				if (num >= MAX_SUFFIX_NUMBER) {
					num = 0;
				}
				num ++;
				for (int i = 0;i < num;i++) {
					builder.append(SUFFIX);
				}
				tv_point.setText(builder.toString());				
				if (isShowing()) {
					handler.sendEmptyMessageDelayed(CHANGE_TITLE_WHAT, CHNAGE_TITLE_DELAYMILLIS);
				} else {
					num = 0;
				}
			}
		};
	};

	public LoadingDialog(Context context) {
		super(context, R.style.Dialog_bocop);
		init();
	}

	private void init() {
		View contentView = View.inflate(getContext(), R.layout.activity_custom_loding_dialog_layout, null);
		setContentView(contentView);
		
		contentView.setOnClickListener(new View.OnClickListener() {
			@Override
			public void onClick(View v) {
				if (cancelable) {
					dismiss();
				}
			}
		});
		iv_route = (ImageView) findViewById(R.id.iv_route);
		tv = (TextView) findViewById(R.id.tv);
		tv_point = (TextView) findViewById(R.id.tv_point);
		initAnim();
		getWindow().setWindowAnimations(R.anim.alpha_in);
	}
	
	
	private void initAnim() {
		mAnim = new RotateAnimation(360, 0,Animation.RESTART, 0.5f, Animation.RESTART,0.5f);
		mAnim.setDuration(2000);
		mAnim.setRepeatCount(Animation.INFINITE);
		mAnim.setRepeatMode(Animation.RESTART);
		mAnim.setStartTime(Animation.START_ON_FIRST_FRAME);
	}

	@Override
	public void show() {
		iv_route.startAnimation(mAnim);
		handler.sendEmptyMessage(CHANGE_TITLE_WHAT);
		super.show();
	}
	
	@Override
	public void dismiss() {
		mAnim.cancel();
		super.dismiss();
	}
	
	
	@Override
	public void setCancelable(boolean flag) {
		cancelable = flag;
		super.setCancelable(flag);
	}
	
	@Override
	public void setTitle(CharSequence title) {
		tv.setText(title);
	}
	
	@Override
	public void setTitle(int titleId) {
		setTitle(getContext().getString(titleId));
	}
}