Dialog是APP開發(fā)中使用頻率非常高列肢,也非常簡單的一個組件,這里針對Android原聲Dialog寫了一個詳細的Demo,以便以后使用觉至。
布局文件 :
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
xmlns:tools="http://schemas.android.com/tools"
android:layout_width="match_parent"
android:layout_height="match_parent"
android:orientation="vertical"
tools:context=".MainActivity">
<Button
android:id="@+id/btn_two"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="最普通的 dialog"
android:textAllCaps="false" />
<Button
android:id="@+id/btn_three"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="三個按鈕的 dialog"
android:textAllCaps="false" />
<Button
android:id="@+id/btn_list"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="列表 dialog"
android:textAllCaps="false" />
<Button
android:id="@+id/btn_multi_select"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="多選 dialog"
android:textAllCaps="false" />
<Button
android:id="@+id/btn_single_select"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="單選 dialog"
android:textAllCaps="false" />
<Button
android:id="@+id/btn_waiting"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="等待 dialog"
android:textAllCaps="false" />
<Button
android:id="@+id/btn_loading"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="加載 dialog"
android:textAllCaps="false" />
<Button
android:id="@+id/btn_input"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="輸入 dialog"
android:textAllCaps="false" />
<Button
android:id="@+id/btn_my_style"
android:layout_width="match_parent"
android:layout_height="wrap_content"
android:text="自定義 dialog"
android:textAllCaps="false" />
</LinearLayout>
MainActivity:
import androidx.appcompat.app.AlertDialog;
import androidx.appcompat.app.AppCompatActivity;
import android.app.Dialog;
import android.app.ProgressDialog;
import android.content.DialogInterface;
import android.os.Bundle;
import android.util.Log;
import android.view.View;
import android.widget.Button;
import android.widget.EditText;
import android.widget.Toast;
import java.util.ArrayList;
import java.util.List;
public class MainActivity extends AppCompatActivity implements View.OnClickListener {
private AlertDialog.Builder builder;
private ProgressDialog progressDialog;
private static final String TAG = "MainActivity";
@Override
protected void onCreate(Bundle savedInstanceState) {
super.onCreate(savedInstanceState);
setContentView(R.layout.activity_main);
Button btnTwo = findViewById(R.id.btn_two);
Button btnThree = findViewById(R.id.btn_three);
Button btnList = findViewById(R.id.btn_list);
Button btnMultiSelect = findViewById(R.id.btn_multi_select);
Button btnSingleSelect = findViewById(R.id.btn_single_select);
Button btnWaiting = findViewById(R.id.btn_waiting);
Button btnLoading = findViewById(R.id.btn_loading);
Button btnInput = findViewById(R.id.btn_input);
Button btnMyStyle = findViewById(R.id.btn_my_style);
btnTwo.setOnClickListener(this);
btnThree.setOnClickListener(this);
btnList.setOnClickListener(this);
btnMultiSelect.setOnClickListener(this);
btnSingleSelect.setOnClickListener(this);
btnWaiting.setOnClickListener(this);
btnLoading.setOnClickListener(this);
btnInput.setOnClickListener(this);
btnMyStyle.setOnClickListener(this);
Log.e(TAG, "onCreate" );
}
@Override
public void onClick(View view) {
int id = view.getId();
switch (id) {
case R.id.btn_two://最普通dialog
showTwo();
break;
case R.id.btn_three://三個按鈕dialog
showThree();
break;
case R.id.btn_list://列表樣式dialog
showList();
break;
case R.id.btn_multi_select://多選dialog
showMultiSelect();
break;
case R.id.btn_single_select://單選dialog
showSingSelect();
break;
case R.id.btn_waiting://等待dialog
showWaiting();
break;
case R.id.btn_loading://加載進度dialog
showLoading();
break;
case R.id.btn_input://輸入框dialog
showInput();
break;
case R.id.btn_my_style://自定義dialog
showMyDialog();
break;
default:
}
}
/**
* 兩個按鈕的 dialog
*/
private void showTwo() {
builder = new AlertDialog.Builder(this).setIcon(R.mipmap.ic_launcher).setTitle("最普通dialog")
.setMessage("我是最簡單的dialog").setPositiveButton("確定(積極)", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
Toast.makeText(MainActivity.this, "確定按鈕", Toast.LENGTH_LONG).show();
}
}).setNegativeButton("取消(消極)", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
Toast.makeText(MainActivity.this, "關閉按鈕", Toast.LENGTH_LONG).show();
dialogInterface.dismiss();
}
});
builder.create().show();
}
/**
* 三個按鈕的 dialog
*/
private void showThree() {
builder = new AlertDialog.Builder(this).setIcon(R.mipmap.ic_launcher).setTitle("三個按鈕dialog")
.setMessage("三個按鈕dialog").setPositiveButton("確定(積極)", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
Toast.makeText(MainActivity.this, "確定按鈕", Toast.LENGTH_LONG).show();
}
}).setNeutralButton("你猜(中立)", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
Toast.makeText(MainActivity.this, "你猜按鈕", Toast.LENGTH_LONG).show();
}
}).setNegativeButton("取消(消極)", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
Toast.makeText(MainActivity.this, "關閉按鈕", Toast.LENGTH_LONG).show();
dialogInterface.dismiss();
}
});
builder.create().show();
}
/**
* 列表 dialog
*/
private void showList() {
final String[] items = {"item 1", "item 2", "item 3", "item 4", "item 5", "item 6"};
builder = new AlertDialog.Builder(this).setIcon(R.mipmap.ic_launcher)
.setTitle("列表dialog")
.setItems(items, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
Toast.makeText(MainActivity.this, "你點擊的內(nèi)容為: " + items[i], Toast.LENGTH_LONG).show();
}
});
builder.create().show();
}
/**
* 多選 dialog
*/
private void showMultiSelect() {
final List<Integer> choice = new ArrayList<>();
final String[] items = {"多選1", "多選2", "多選3", "多選4", "多選5", "多選6"};
//默認都未選中
boolean[] isSelect = {false, false, false, false, false, false};
builder = new AlertDialog.Builder(this).setIcon(R.mipmap.ic_launcher)
.setTitle("多選dialog")
.setMultiChoiceItems(items, isSelect, new DialogInterface.OnMultiChoiceClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i, boolean b) {
if (b) {
choice.add(i);
} else {
choice.remove(choice.indexOf(i));
}
}
}).setPositiveButton("確定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
StringBuilder str = new StringBuilder();
for (int j = 0; j < choice.size(); j++) {
str.append(items[choice.get(j)]);
}
Toast.makeText(MainActivity.this, "你選擇了" + str, Toast.LENGTH_LONG).show();
}
});
builder.create().show();
}
private int choice;
/**
* 單選 dialog
*/
private void showSingSelect() {
//默認選中第一個
final String[] items = {"單選1", "單選2", "單選3", "單選4", "單選5", "單選6"};
choice = -1;
builder = new AlertDialog.Builder(this).setIcon(R.mipmap.ic_launcher).setTitle("單選列表")
.setSingleChoiceItems(items, 0, new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
choice = i;
}
}).setPositiveButton("確定", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
if (choice != -1) {
Toast.makeText(MainActivity.this, "你選擇了" + items[choice], Toast.LENGTH_LONG).show();
}
}
});
builder.create().show();
}
/**
* 圓圈加載進度的 dialog
*/
private void showWaiting() {
progressDialog = new ProgressDialog(this);
progressDialog.setIcon(R.mipmap.ic_launcher);
progressDialog.setTitle("加載dialog");
progressDialog.setMessage("加載中...");
progressDialog.setIndeterminate(true);// 是否形成一個加載動畫 true表示不明確加載進度形成轉圈動畫 false 表示明確加載進度
progressDialog.setCancelable(true);//點擊返回鍵或者dialog四周是否關閉dialog true表示可以關閉 false表示不可關閉
progressDialog.show();
}
/**
* 帶有進度的 dialog
*/
private void showLoading() {
final int MAX_VALUE = 100;
progressDialog = new ProgressDialog(this);
progressDialog.setProgress(0);
progressDialog.setTitle("帶有加載進度dialog");
progressDialog.setProgressStyle(ProgressDialog.STYLE_HORIZONTAL);
progressDialog.setMax(MAX_VALUE);
progressDialog.show();
new Thread(new Runnable() {
@Override
public void run() {
int progress = 0;
while (progress < MAX_VALUE) {
try {
Thread.sleep(100);
progress++;
progressDialog.setProgress(progress);
} catch (InterruptedException e) {
e.printStackTrace();
}
}
//加載完畢自動關閉dialog
progressDialog.cancel();
}
}).start();
}
/**
* 一個輸入框的 dialog
*/
private void showInput() {
final EditText editText = new EditText(this);
builder = new AlertDialog.Builder(this).setTitle("輸入框dialog").setView(editText)
.setPositiveButton("讀取輸入框內(nèi)容", new DialogInterface.OnClickListener() {
@Override
public void onClick(DialogInterface dialogInterface, int i) {
Toast.makeText(MainActivity.this, "輸入內(nèi)容為:" + editText.getText().toString()
, Toast.LENGTH_LONG).show();
}
});
builder.create().show();
}
/**
* 原生自定義 dialog
*/
private void showMyDialog() {
MyDiaLog myDiaLog = new MyDiaLog(MainActivity.this);
myDiaLog.show();
}
@Override
protected void onStart() {
super.onStart();
Log.e(TAG, "onStart" );
}
@Override
protected void onResume() {
super.onResume();
Log.e(TAG, "onResume" );
}
@Override
protected void onPause() {
super.onPause();
Log.e(TAG, "onPause" );
}
@Override
protected void onStop() {
super.onStop();
Log.e(TAG, "onStop" );
}
@Override
protected void onDestroy() {
super.onDestroy();
Log.e(TAG, "onDestroy" );
}
}
MyDialog :
import android.app.Dialog;
import android.content.Context;
import androidx.annotation.NonNull;
public class MyDiaLog extends Dialog{
public MyDiaLog(@NonNull Context context) {
super(context);
setContentView(R.layout.dialog_layout);
}
}
dialog_layout :
<?xml version="1.0" encoding="utf-8"?>
<LinearLayout xmlns:android="http://schemas.android.com/apk/res/android"
android:orientation="vertical"
android:gravity="center"
android:background="@drawable/timg"
android:layout_width="match_parent"
android:layout_height="match_parent">
<TextView
android:layout_width="wrap_content"
android:layout_height="wrap_content"
android:layout_marginLeft="120dp"
android:layout_marginBottom="200dp"
android:text="@string/picture1"
android:textColor="#FF0000"
android:textSize="30sp" />
</LinearLayout>