自定义Dialog

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工具类：
public class DialogUtil {

@SuppressLint("InlinedApi")public static Dialog createLoadingDialog(Context context) {    LayoutInflater inflater = LayoutInflater.from(context);    View v = inflater.inflate(R.layout.progress_bar, null);    LinearLayout layout = (LinearLayout) v.findViewById(R.id.layout);    Dialog loadingDialog = new Dialog(context, R.style.loading_dialog_tran);    loadingDialog.setCanceledOnTouchOutside(false);// true点击对话框外部取消对话框显示    loadingDialog.setCancelable(false);// 不可以用“返回键”取消    loadingDialog.setContentView(layout, new LinearLayout.LayoutParams(LinearLayout.LayoutParams.MATCH_PARENT,            LinearLayout.LayoutParams.MATCH_PARENT));    return loadingDialog;}

}

设置基类，添加调用方法：
package com.example.dialogdemo;

import android.app.Dialog;
import android.support.v7.app.ActionBarActivity;

public class baseActionBarActivity extends ActionBarActivity {
/**
* 加载图片提示框
*/
private Dialog progressDialog;

/** * 显示dialog  */public void showProgressDialog() {    try {        if (progressDialog == null) {            progressDialog = DialogUtil.createLoadingDialog(this);        }        progressDialog.show();    } catch (Exception e) {        e.printStackTrace();    }}/** * 隐藏dialog */public void dismissProgressDialog() {    try {        if (progressDialog != null && progressDialog.isShowing()) {            progressDialog.dismiss();        }    } catch (Exception e) {        e.printStackTrace();    }}/** * dialog是否显示 */public boolean isShow() {    try {        if (progressDialog != null && progressDialog.isShowing()) {            return true;        }    } catch (Exception e) {        e.printStackTrace();    }    return false;}

}

首页显示：
package com.example.dialogdemo;

import android.support.v7.app.ActionBarActivity;
import android.os.Bundle;
import android.view.Menu;
import android.view.MenuItem;
import android.view.View;
import android.view.View.OnClickListener;
import android.widget.Button;

public class MainActivity extends baseActionBarActivity implements OnClickListener {

private Button show, dismiss;@Overrideprotected void onCreate(Bundle savedInstanceState) {    super.onCreate(savedInstanceState);    setContentView(R.layout.activity_main);    show = (Button) findViewById(R.id.show);    show.setOnClickListener(this);    dismiss = (Button) findViewById(R.id.dismiss);    dismiss.setOnClickListener(this);}@Overridepublic boolean onCreateOptionsMenu(Menu menu) {    // Inflate the menu; this adds items to the action bar if it is present.    getMenuInflater().inflate(R.menu.main, menu);    return true;}@Overridepublic boolean onOptionsItemSelected(MenuItem item) {    // Handle action bar item clicks here. The action bar will    // automatically handle clicks on the Home/Up button, so long    // as you specify a parent activity in AndroidManifest.xml.    int id = item.getItemId();    if (id == R.id.action_settings) {        return true;    }    return super.onOptionsItemSelected(item);}@Overridepublic void onClick(View v) {    // TODO Auto-generated method stub    switch (v.getId()) {    case R.id.show:        showProgressDialog();        break;    case R.id.dismiss:        dismissProgressDialog();        break;    default:        break;    }}

}

下载地址
https://github.com/youlongxifeng/Dialog

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