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public class CustomLoadingDialog extends Dialog { @ViewInject(R.id.custom_loading_dialog_indicator) private ImageView indicatorIv; @ViewInject(R.id.custom_loading_dialog_message) private TextView messageTv; private CustomLoadingDialog(Context context, int theme) { super(context, theme); } public static CustomLoadingDialog createLoading(Context context) { CustomLoadingDialog dialog = new CustomLoadingDialog(context, R.style.CustomDialog); View content = LayoutInflater.from(context).inflate( R.layout.custom_loading_dialog, null); ViewUtils.inject(dialog, content); dialog.addContentView(content, new ViewGroup.LayoutParams(ViewGroup.LayoutParams.WRAP_CONTENT, ViewGroup.LayoutParams.WRAP_CONTENT)); return dialog; } @Override public void onWindowFocusChanged(boolean hasFocus) { if (hasFocus) { indicatorIv.startAnimation(AnimationUtils.loadAnimation( getContext(), R.anim.custom_loading_dialog)); } } public void setMessage(String message) { if (!TextUtils.isEmpty(message)) { messageTv.setVisibility(View.VISIBLE); messageTv.setText(message); } else { messageTv.setVisibility(View.GONE); } }} |
資源文件
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<style name="CustomDialog" parent="@android:style/Theme.Dialog"> <item name="android:windowFrame">@null</item> <item name="android:windowBackground">@android:color/transparent</item> <!-- 邊框 --> <item name="android:windowIsFloating">true</item> <!-- 是否浮現在activity之上 --> <item name="android:windowNoTitle">true</item> <!-- 無標題 --> <item name="android:windowIsTranslucent">true</item> <!-- 半透明 --> <item name="android:backgroundDimEnabled">true</item> <!-- 模糊 --> </style> <LinearLayout xmlns:android="http://schemas.android.com/apk/res/android" style="@style/CustomDialogBackground" android:minWidth="240dp" android:padding="@dimen/Xlarge" > <ImageView android:id="@+id/custom_loading_dialog_indicator" android:layout_width="wrap_content" android:layout_height="wrap_content" android:src="@drawable/loading_indicator"/> <TextView android:id="@+id/custom_loading_dialog_message" android:layout_width="wrap_content" android:layout_height="wrap_content" android:visibility="gone" android:layout_marginTop="@dimen/medium" android:singleLine="true" android:maxWidth="200dp" android:textColor="@android:color/black" android:textSize="@dimen/text_noraml"/></LinearLayout><set xmlns:android="http://schemas.android.com/apk/res/android" android:shareInterpolator="false"> <rotate android:interpolator="@android:anim/linear_interpolator" android:pivotX="50%" android:pivotY="50%" android:fromDegrees="0" android:toDegrees="360" android:duration="1500" android:startOffset="-1" android:repeatMode="restart" android:repeatCount="-1"/></set> |
使用
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public void showLoadingDialog() { if (loadingDialog == null) { loadingDialog = CustomLoadingDialog.createLoading(this); } loadingDialog.setMessage(getResources().getString(R.string.loading_message_default)); loadingDialog.show(); } public void showLoadingDialog(String message) { if (loadingDialog == null) { loadingDialog = CustomLoadingDialog.createLoading(this); } if (!TextUtils.isEmpty(message)) { loadingDialog.setMessage(message); } else { loadingDialog.setMessage(getResources().getString(R.string.loading_message_default)); } loadingDialog.show(); } public void hideLoadingDialog() { if (loadingDialog != null && loadingDialog.isShowing()) { loadingDialog.dismiss(); } } public void setLoadingDialogCancel(boolean canCancel) { loadingDialog.setCancelable(canCancel); } |
